ML20063P814
| ML20063P814 | |
| Person / Time | |
|---|---|
| Site: | Fermi  |
| Issue date: | 11/22/1977 |
| From: | GOULDS PUMPS, INC. |
| To: | |
| Shared Package | |
| ML20063P810 | List: |
| References | |
| PROC-771122, NUDOCS 8210150330 | |
| Download: ML20063P814 (91) | |
Text
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DOCUl.ENT CONTROL Rso-oo c- oos- Tr ao 0
R50 @ C- 00(p- TF -m ul NOV 2 21977 FERMI- SiAiUS CO. vOfJ L LTR. NO.
R30-oo -c-aa 7 sA-ooi R M o o c ~ c o s . ~7 p - c ot G0ULDS PUMPS, INC.
TYPE I MANUAL
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CUSTOMER: DETROIT EDIS0t! COMPANY P.O. # 1A 95E18 S.0. # N302276-1, 2, 3, 11 ITEM: DIESEL GENERATOR SERVICE WATER PUMPS ESTIMATED SHIPPING WEIGHT (EA.): 2625 LBS, e
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TABLE 0F C0NTENTS CROSS SECTIONAL DRAWING D1700 PERFORMANCE TEST CURVES T-77-486,483,484,487 PERFORMANCE TEST DATA SHEETS T-77-486,483,484,487 NPSH TEST CURVES T-77-493, 485, 491, 492 NPSH TEST DATA SHEETS T-77-493, 435, 491, 492 RECOMMENDED SPARE PARTS LIST DRIVER DIMENSIONAL PRINT MG 1.6 PAGE 311 Vil INSTRUCTION MANUAL' -
FORM A302-VP MOTO.R INSTRUCTION MANUAL l
, , 51X4159-03 ALLIS-CHALMERS PRICED RECOMMENDED i SPARE PARTS (AS OF 3-8-76)
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, RECO:::12::D::D SPAR:*. PAITS - PER U:41T CUSTC'::::t DETROIT EDISON COMPANY P.O. I:0. 1A-95618 ITDg DIESEL GENERATOR SERVICE WATER PUMPS PU:!P SERIAL NO. N302276 1:0DCL VIT 8x12JMC/2 -
P.O.S. Nos. R30-00-C005 R30-00-C006 R30-00-C007 R30-00-C008 ITDI PART HTL. . DWG. QTY. NET $$ EACl!. D2L 609 HEADSHAFT SLEEVE ASTM A276 A2290 1 $ 726.00 .6 ..IEKS TP. 410 ARO 617 STUFFING BOX BEARING ASTM B144- IE 254 1 $ 53.00 3 11 4 I 90E55 610A PACKING RING 3 ASBESTcs 1 set S 9.00/
GRAPHITE of 6 set 7438 O-RING - SLEEVE /EHAFI BUNA N ARP-56S- 1 $ 4.00 222 l ,
779A GASKET - STUFF. BOX / HEAD VELLUMOID B2749 3 $ 4.00 653 LINESHAPI BEARING RUBBER C1086 8 $ 24.00 743 0-RING - COL./ COL./HD. BUNA N ARP-568- 8 $ 6.00 271 672 INT. BOWL BEARING RUBBER A7391 2 $ 24.00 680 WEAR RING - BOWL ASTM A-296 B5857 _2 $ 169.00 GR. CF8 i
681 WEAR RING - IMPELLER ASTM A-296 B7726 2 $ 221.00 GR. CF8 l 690 SUCTION BELL BEARING ASTM B144 A744 1 $ 71.00 3B
( . .
743D 0-RING - BOWL SEMBLY BUNA N A Pl*-368- 3 $ 6.00
_ _ . 175 N/
BY_ M l ,[ [ h 3 DATE November 16. 1977 .
M./J. Foster NOTEf PRICE /JID DZLIV~n* iCJ. ZFFECTIVE 60 DAYS FRO *: QUOTATIO:I DATE l
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., ', VERTICAL SQUIRREL-C AGE A. johns
- 3" INDUCTION MOTORS d Solid Shaf t - Normal Thrust JUL 1 - 1975 Type RGV - Open Dr ip-Proof M 302.7'i(e anwei===s uanew irra
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- FR AMES 324-447 'I' O .--
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$ECTION XX
/ .030 320-3s0 FR. with uotor in verrical s .p.u .750 ,*g.000 AH Dim. . 060 400 & 440 FR. position, shaf t coan.
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' S. F. 1.15 324 VP.HP Goulds Pumps CERTIFIED FOR thru .006 .006 .002 "*
l 445 VP-N P l Your order 39939 .H P H Our order EL-8-5134-90235 _
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Fram4 No.326 VP wp 50 s ,,n M00 .
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- ALLIS CH ALM E RS, pe, E. M. A. Date 3/21/75 NOT FOR CONSTRUCTION. lNSTALLATION OR APPLICATION PURPOSES UNLLSS CERTIFIED S. O. N-302276 - Detloit, Edison P. G. lA-95618 e.... .......
NUCLEAR JOB - N-302276
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.i 1-fL&iWkL ALUS-CHALMERS ;
INSTRUCTIONS VERTICAL "P" FLANGED (NORMAL & MEDIUM THRUST)
INDUCTION MOTORS 51 X 4159-03
TABLE OF CONTENTS INTR 00ucriON ............................ 3 Warranty ............................ 3 Receiving ............................ 3 Temporary Storage ......................... 3 Description ............................ 3 INSTALLATION ............................ 4 Location ............................ 4 Foundation ............................ 4 Motor Mounting ........................... 4 Vibration ............................ 5 Alignment Procadure ........................ 6 Grouting ............................ 6 Extreme Service ....... .................. 7 OPERATION ............................ 8 Initial Start .........,.................. 8 Normal Operation ............... ......... 8 Voltage Regulation ........................ 8 Trouble Shooting .......................... 8 TROUBLE ............................ 9 MAINTENANCE ............................ 11 General ............................ 11 Preventive Maintenance ..................... 11 Vibration ............................ 11 Corrective Maintenance ...................... 12 Drying insulation .......... ............... 13 Bearings ................... ........ 13 Bearing Relubrication ....................... 14 Bearing Replacement ....................... 15 Shaft or Flange Face Runout .................. 16 SPARE PARTS ............................ 17 Identification ............................ 17 EXPLODED VIEW Type RGV ............................ 18 Type RGZV ............................ 20 Type RGZZV ............................ 22 PAR'!S LIST Type RGV ............................ 19 Type RGZV ............................ 21 Type RGZZV ............................ 23 NOTE: The illustrations, descriptions and instmetions in this book include the standard design of the equipment and any conunon deviations when possible. This book does not cover all deskn details and variations nor dom it provide for possible contingency which may be encoun-tered. When information cannot be found in
,j this book, contact the nearest Allis.Chalmers affice. See Directory 25X8109.
. INTRODUCTION This manual is furnished to advise you of some of the Storage requirements vary depending on the length of practical ways to install, operate, and maintain your storage and the climatic environment. For storage per-equipment. Keep it handy for future reference. Addi- lods longer than 3 months or special conditions consult tional information may be obtained from the nearest factory instructions 51X3963.
Allis-Chalmers representative. The standards of the Na-tional Electrical Manufacturers Association (NEMA) DESCRIPTION are an excellent source for more detailed advice.
"P" flanged, vertical type motors within NEM A frames MRRANTY 14(rTP thru 445TP are the subjects of this manual. The instructions include normal thrust motors with grease See your sales contract for coverages. lubricated, deep-groove ball bearings capable of accept-ting small values of up and down thrust. Also included RECEIVING *""'di"* th'"'t type motors in which angular contact thrust bearings are substituted for the deep-grooved Common dangers during unpacking are mechanical bearings. Angular contact bearings are capable of taking damage and moisture condensation. higher down-thrust, but only momentary up-thrust.
l The um.t should be unpacked with these checks in
. . Values of thrust, " NORMAL" and "HIGH", are pub-i lished in the Allis-Chalmers price book. " MEDIUM" mmd: thrust values are usually one-half of the "HIGH" thrust l (1) Unload and handle the unit carefully. values.
(2) Check for shortage and damage immediatcly. (A There are many variations just within these three class-prompt report, with notations on the freight bill, ifications. Check the name plate for your particular should expedite adjustments by the carrier.) type of construction.
NOTE: High thrust oil lubricated bearings. or hollow shaft motors are not included in these instruc-CAUTION tions. (See special insert.)
Remove only the shipping invoice. Do not MOTOR TYPE DESIGNATIONS remove tags pertaining to lubrication. operation and storage mstruction. They should be left on Type designations are formed *uy combining letters motor. Read all tags and instruction to insure in this order: basic, mechanical, and electrical (see following table )'
no damage to motor bearings (due to condensation) and windings during storage.
Example Motor Designation:
RGZV CAUTION Use lifting lugs NOT attachments. Do not RG - Basic Type l lift by flanges. Check drawings for con- Z - TEFC struction.
V - Vertical Design Some of the mechanical and electrical modifications we TEMPORARY STORAGE may enc unter are listed below.
If the equipment is not to be installed and operated soon Z - Totally-enclosed, fan-cooled. standard,(TEFC) after arrival, store it in a clean, dry, well-ventilated place free from Sibrations end rapid or wide vsristions in ZZ - Totally-enclosed, fan. cooled, explosion-proof.
temperature. Rotate the shaft a minimum of 10 complete resolutions monthly to coat the bearings with lubricant, V - Vertical motors of normal, medium and high-and prevent possible false brinelling, retard oxidation, or thrust type with drip covers. This applies to corrosion. solid shaft type with; C, D, or P flange.
(1) It has been delivered to the job site and is await- T - High locked-rotor torque and normal slip squir-ing installation.
rel-cage motors. In general purpose ratings (2) It has been installed; but operation is delayed this indicates a NEMA design C motor.
pending completion of plant construction.
(3) There are long, (30 days) periods, between op- H - High locked. rotor and break down torque, high erating cycles' slip, squirrel-cage motor. This letter denotes a ;
NEMA design "D" motor, often used for ele-(4) 'Ihe plant (or department) is shut down. vator and punch-press servia.
3
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.W. .y :.a;sINSTA11AAtlONe,.
4.. . M ge 4 / '.; *A NOTE: If vibration or noise will be objectionable (as in flice buildings), it may be advisable to use CAUTION vibration dampeners between the motor or The information contained in this book is driven unit, and the foundation.
intended to assist operating personnel by providing information on the general char.
acteristics of the purchased equipment. It MOTOR MOUNTING does not relieve the user of the responsibil- Mount the machine securely and align accurately with ity of using accepted engineering practices the driven equipment in the installation, operation and mainte-nance of this equipment. a 1) Direct mounted to driven equipment; the two ur,its must be firmly secured and the driven equipment placed on an adequate foundation.
(2) Floor p!ste mounted; equipment must be very rigid LOCATION and free from vibration.
Select a location for the u'iit that will:
Any excessive vibration of either method will cause loss a la Be clean, dry, well ventilated, properly drained, f alignment, premature bearing wear and eventual and provide accessibility for inspection, lubrica- break down.
tion, and maintenance < see dimensions). Out. door installations may require protection from the NOTE: If motor is driving a pump and the back pres-elements. sure is maintained after shut-dowTi, protect the motor with quick-seting check valves.
I2) Provide adequate space for motor removal without shifting the driven unit. Ft.ANGE MOUNTING I v3) Permit the motor to safely deliver adequate power. m unt round frame motor to driven unit, proceed as Temperature rise of a standard motor is based on i ws.
operation at an altitude not higher than 3,300 feet
- 8'" ' NOTE: Round frame motors can be rotated within flange mounting bolt spacing to gain a satisfac-tory position for grease fittings, conduit attach-ments, and mate run-out differences to avoid CAUTION shimming flange fits. Conduit box can be turned to four equally spaced positions for access to Motors should be located in an area that is not c nduit system; arrange the sys subject to rapid temperature change when unit water will not accumulate and dram, tem mto so that motor is not in operation. c nnection box.
(1) Use a hoist; rig a sling around the stator yoke assembly or lifting lugs if provided. Use a spreader bar to prevent damage to fabricated motor parts.
(2) Position motor (per note above) and move toward A foundation is required to support the unit to which driven unit - engaging flange surfaces.
the flanged motor attaches. Concrete (reinforced as necessary or required) makes the best foundation, par- (3) Insert flange mounting bolts and snug.
i ticularly for large units. In sufficient mass, concrete l provides rigid support that minimizes deflection and (4) Secure attachments between motor shaft and load.
vibration. It may be located on; soil, structural steel, or (i.e. set screws tightened against shaft key).
building floors, provided the total weight- (motor, driven unit, and foundation) -does not exceed the (5) Turn shaft by hand; check for free rotation; bind-allowable bearing load of the support. Allowable bear- ing; scraping; sticking.
ing loads of structural steel and floors can be obtained from Engineering Handbooks; Building codes of local (6) Tighten all flange bolts. (Tighten bolts in pairs; communities give the recommended allowable bearing 180* from each other to avoid warping or spring- t loads for different types of sotl. For rough calculations the ing the flange).
sub foundation should be approximately 2.5 times the total urut weight. (7) Turn shaft again to check for free rotation.
4
(3) If motor is three-phase type, rev:rse rotation (if required) by inter-changing any two of the three CAUTION power 1 ds. If two phase, inter-change stator
(
External connections, i.e. suction or dis- leads of either phase, being careful not to change charge piping for a pump, or shafting to a leads from one phase to the other.
gear box, are not to impart a strain on the drive unit. Such strains can cause shaft mis-alignment or preload bearings, which shows VlBRATION up as noisy operation, excessive vibration, or Afier flange mounting bolts have been tightened, run premature bearing failure. the motor at no load f or minimum possible). Check for vibration.
The standard vibration limits (NEMA MGI 12.05:
External Wiring, Starting and over load mntrol de-vices must be :natched to motor rating. For safety or convenience they may need to be installed some dis- SPEED (RPE) MAXIMUM APPLITUDE tance from the motor. Follow the control manufactur-er's instructions to make proper installation and con-nectiorm. Observe the following: M M above .001 inches 1700 - 3499 incl. .0015 inches Iass than 1700 .002 inches (1) Connect electn. cal power supply to conform with National Electrical Code and any local regula-tions. Line voltage and wire capacity must match motor ratmg stamped on the nameplate. If vibration is excessive, loosen flange mounting bolts and shift within mounting flange clearance. If this (2) Momentarily energize the motor to check that ro- shifting does not reduce vibration to acceptable limit, tation is in the proper direction. and motor is coupled to load, check shaft alignment.
- C l
,Q. -.~~y V///)////A ltE :
ANGULAR ALIGNMENT I
~
e l
l l
l l
Q% ROTATE SHAFTS BY HAND INDEX SEVERAL TIMES TO ALLOW l DIAL INDICATOR COUPLINGS TO SEPARATE l LINE TO APPROXIMATELY.020
)
i SC TO.050 INCH.
_ _,g l
PARALLEL ALIGNMENT ,h,~f__
"?f],7ij; (NOT REOUIREO IF SPlGOT-Fif I M REMAINS iN CONTACT) A i I O -
FIG. 21 TEST ALIGNMENT WITH DIAL INDICATOR (5OLID COUPUNG) 2690 5
ALIGNMENT PROCEDURE A GOOD SHIMMING TECHNIQUE
'Ihe following checking procedure applies to a unit To avoid the possibility of twisting the flange when consisting of motor, flexible couplins, and a driven shimming between the flanges, minor shims should be component. Although applicable to all types of flex. one half the thickness of the major shim. Shims should ible couplings, it is primarily intended for the pin and not penetrate deeper than the bolt hole circle and not rubber bushing type. For other types, where the pro- be wider than twice the penetration distance.(Fig. 2 2) cedures differ, refer to the coupling manufacturer's In- .
When alignment, and vibration of motor are withm.
stallation and Maintenance Instructions. Check align.
ment as follows: II.mits, engage drive. Run unit at minimum load pos-Disconnect the coupling halves. sable - check for vibration - continue to increase load and check for vibration until full load is obtained.
Test for parallel and angular alignment with a dial indicator mounted as shown in Figure 21. Proceed as follows:
(1) Scribe index lines on the coupling halves (as shown) or mark where the indicator point resta.
(2) Set indicator dial to zero.
- 13) Slowly turn BOTH coupling halves so that index lines remain matched, or indicator point is always
" **' Do not operate unit with excessive vibration.
If shaft alignment is acceptable, and vibra-t4) Observe dial reading to determine whether motor tion exceeds the limit, investigate for other or driven unit needs adjustment. causes. See " TROUBLE".(See pg.10)
(5) Acceptable parallel alignment occurs when the total indicator reading (complete turn) does not exceed 0.002 in.: acceptable angular alignment occurs when one-half of the total indicator reading does not exceed 0.001 in.dt. (Radius to dial indi-cator = one foot.)
Small, excess misalignment may be corrected by insert.
ing shims between flanged faces. Such shims may also GROUTING compensate for flanges being out of plane. (Fig. 2 2) Grout compensates for unevenness in the foundation and base. It distributes the weight of the unit uniformly over the foundation, and prevents the unit from shifting after mounting and alignment. It is essential that the CAUTION unit be expertly grouted by use of non. shrinking grout.
The mix required varies with the type of urut to be Shims must be notched to span the bolts grouted, location and amount of grout. The instructions only.
included with 'he non-shrinking grout package will pro-vide the required information for the proper mix for individual applications.
IF MAJOR SHIM SOLT HOLE CIRCLE IS .05 INCH /' '
d
- MINOR SHtM MINO R SHIM MUST =.025 -
MUST =.025 Y - ,) .. .
/
5 HAFT ,
RABSET FIT NO $HIM ?'
FIG. 2 2 SNllAllNG MS25 6
" no7g. LEVELING SHIMS SHOULD
[ FOUN'D ATION BOLTS MAY BE A STUD WITH BE SLOTTED TO SPAN BOTTOM NUT STAKED AGAINST TURNING. 80LTS B
NUT E g OLT FLAT WASHER GROUT
\$NN' NMDM
'-----wn.
l TUBE TO BE AT LEAST 4" LG. AND T. : Ht.:Q lr :c-3
- " " Tj.'*bwr L* /.'
2 TIMES BOLT DIA. OR 12 " MIN. '
CLEARANCE TO PROVIDE BOLT ,' . Mi ' - ECT.NJi
.[..:.~Z i CLEARANCE N '2 --
M~
,,' 'O.**,, ( ?;bY * - J$
I'. .@*. TO
,!;)
,f.. .
- a.-y M *..o,
- p s
- , a' ,
F
'""" 5"'"5
' pg 'OUNDATION
[ ', g $UIT LOCAL y " . "Y- .
4" TO 6" '.".;'*:.
. .o, >. 9 i '. p
- f a.. .; ;e - - $ '.. [/ j ,:, ,y, e r
' o.. ?. ,. CONCRETE (CONDITIONS
- r* j 'y w v , . t.<
.Y * .Q, ej i . *-
l
,s ,4 "
'4 J p D *M,*[,4 ' SURFACE ARE A AROUND-
, e : 1,5 ' SELESMOOTH VELING SHIMS SHOULD i
- A ",". * 'a .* * ' ' . ' * . .'.g. AND FLAT.
WASHE R
, FIG. 2 3 TTPIC AL BASE IBOUNTING Msn I
Grout the unit as follows:
ness under the base must be a mir.imum of 1 inch.
l (1) Build a form of plywood or thin planking around In order to prevent the base from shifting, fill under the base plate at least 4 inches in from all the foundation to contain the grout. Support the four edges. Take care that grout will not interfere planking to prevent deformation. with motor or driven unit mounting bolts. to allow l
shifting as necessary.
(2) Soak the top of the concrete pad thoroughly with water before grouting. Remove all surface water before pouring.
NOTE: If pouring and tamping the grout will trap air in some places, temporarily place small diam-
! A recommended mix of grout that is satisfactory for
' eter tubes (thick walled rubber hose) to pro-I most applications is as follows: vide venting. Remove the tubes after grout has filled the cavity, before pouging the remainder.
- Dry Mix. One sack Portland Cement. Two (4) After the grout has thoroughly hardened retighten parts well graded, clears, dry sand. One. the foundation bolts.
{ pound bag grout additive.
i (5) Check the alignment after the foundation bolts are i
tightened, This additive is one way to counteract the plastic Approximately fourteen days after the grout has been shrinkage and settlement of a cement sand mix. poured or when the grout has thoroughly dried, apply l
an oil base paint to the exposed edges of the grout to j To make grout additive, add 2 grams of unpolished prevent air and moisture from coming in contact with
' the grout.
aluminum powder iMerck Co. *0770, or equivalent, available at local pharmacists) to I lb. of clean dry flint sand (50 mesh screen passing 25T preferred). (6) After grout has thoroughly cured, tap on top of base Mix thoroughly and seal in a plastic bag. Keep adds- to be sure grout has adhered. If vibration occurs.
tive dry until ready for use.
check base ra.th vibration analyzer. If indication warrants,pumpitig epoxy grout through the base plate NOTE: The effect of the aluminum powder is lost if will eliminate vo Js and adhere base to oripnal grout.
the mix is allowed to stand, unast, for 45 minutes after adding water to the dry mix.
EXTREME SERVICE (3) Pour the grout through the openings in the base. If motor application is abnormal thigh temperature, While pouring, tamp liberally in order to fill all extreme vibration, etc.), consult Norwood Plant for cavities and prevent air pockets. The grout thick. special instructions for installation.
7
- (.% v & sk n.J d - - '
ElIkC lW" CAUTION Do not operate this equipment in excess of the valites given on nameplate or contrary Repeated trial starts can over. heat the to the instructions contained in this manual. motor. Startmg currents are several times running current; heatin varies as the The equipment (or a prototype) has been shop tested and found satisfactory for the SQUARE of the curred Allow time be.
conditions for which it was sold; but op- tween starts so that windings cool.
erating in excess of these conditions can cause stresses and strains beyond design limitations.
Failure to heed this warning may result in When checks are satisfactory to this point, operate at equipment damage and possible personal I west load possible and look for any unusual condp injury. ti n. Increase load slowly to maximum, checkmg unit for satisfactory operation.
NORMAL OPERATION INITIAL START .
Start the motor m. accordance with standard m.strue.
After installation is completed, but before motor is put tions for the starting equipment used. Sometimes the in regular service, make an initial start as follows: ! cad should be reduced to the minimum, particularly for reduced voltage starting, and/or high inertia connected ~
Check that motor, starting, and control device cor. loads.
nections agree with wiring diagrams.
e Check that voltage, phase, and frequency of line circuit power supply e agree with motor nameplate. VOLTAGE REGULATION Motors will operate successfully under the following If motor has been in storage, either before or after in- e nditions of voltage and frequency variation; but not stallation. refer to storage instructions to prepare for necessarily m ac,cordance with the standards estab-service. lished for operation under rated conditions:
Check motor service record and tags accompanym.gm* I1) If the variation in voltage does not exceed 10%
tor to be certam bearings have been properly lubricated. above or below normal, with all phases balanced.
tWhen shipped from the factory, ball bearings have been lubricated to give 6 months satisfactory service.) i2) If the variation in freqiiency does rot exceed 5%
above or below normal.
If possible, remove external load (disconaect drive) and turn shaft by hand to insure free rotation. This (3) If the sum of the voltsge and frequency variations may have been done during installation procedure; if does not exceed 10r!, above or below normal (pro-so, and conditions have not changed since, this check vided the freqw.cy variation does not exceed may not be necessary. 5%).
Start motor at no load long enough to check rotation and to be certain that no unusual condition exists. TROUBLE SHOOTING Listen and feel for excessive noise, vibration, clicking, Between regular maintenance inspections, be alert for or pounding. If present, de-energize motor immedia%ly. signs of motor trouble. Common symptoms are listed g Carefully observe for unusual conditions as motor coasts in the TROUBLE table. Correct any trouble immedi-to a stop. Investigate the cause and correct before put- ately and AVOID COSTLY REPAIR AND DOWN ting motor in service. TIME.
s
g TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSES CURE Motor won't Usually line trouble - De-energize and correct! Check source of power supply.
start. single. phasing at starter. (Don't check with motor energized')
Check overloads, controls, and fuses.
Check voltage and compare with rating plate.
Improper connection. Check connections with diagram.
Ioad too heavy. Disconnect motor to see if it starts without load.
Reduce load - or replaw motor with unit of greater capacity.
Excessive High voltage. Check input voltage and for proper connections.
hum.
Regular Foreign matter in air gap. Take out rotor: remove matter, clicking.
Rapid Bad bearing, dirt in grease. Replace bearing: renew grease.
knocking.
Motor oser- Overload. Measure load, compare with nameplate rating.
heating. Check for excessive friction in motor, drive or rnachine.
< CM with Reduce load, or replace motor with unit of greater thermomete' therm uple: Single phase. Check current, all phases.
i l don't depend Dirt in motor. Check air flow at ventilation ducts. Blow out motor.
l on hand). Use solvent on wound section if necessary.
See pg.11 maintenance. Unbalan&d voltage. Check voltage, all phases.
l l Rotor rubbing on stator. 1) Check alignment.
l 2) Clean air gap.
- 3) Check and replace bearings,if newssary.
Open stator windings. Disconnect motor from load. Check idle amps balanm in all three phases. Check stator resistance in all three phases for balance.
Over voltage, or under voltage. Check voltage and compare to rating plate.
j Ground. Locau with test lamp or megger and repair.
Improper connections. Recheck connections.
( continued )
s
TROUBLE SHOOTING (CONTD.)
SYMPTOM POSSIBLE CAUSES CURE Bearing hfisalignment. Check mounting and Hange alignment.
over. heating.
Excessive end thrust. Reduce thrust from drive or machine.
Too much grease iball or roller Relieve supply to point set by manufacturer, bearing s.
Inaufficient lubricant. Add - up to point set by table.
Vibration. 51isalignment. Re. align units.
Twisted base or flange. Check flange alignment and shims.
In driven machine idisconnect Eliminate source in load.
motor from load and run idle).
Excessive dirt on fan blades. Clean rotating members.
Rotor out of balance (after repair). Balance rotor.
Shaft bent or flange face run out. See maintenance.
System natural frequency. Alter rigidity of base structure.
< Resonance) i 10
I
(
GENERAL MOISTURE. On non+xplosion proof TEFC motors, a Routine, regular maintenance is the best assurance of
. removable plug permits removal of any accumulated trouble free, long-life operation. It prevents costly moisture. Drain regularly-ehutdown and repairs. Two maDr elements of a con.
trolled maintenance program ars, NOTE: If equipment is operated intermittently in very damp locations, it should ut- protected by space Tram.ed personnel who KNOW the m:rk. heaters. To retard corrosior., grease all ma.
chined fits when the unit is reassembled after Systematic recorde, which contain at least the follow. a maintenance check, ing:
LOADING. Guard against improper loading. Over.
Complete nameplate data (Service Record). losing causes overheating and. overheating will she.tened hisulation life. A winding subjected to a Prints t Wiring tinrams, certified outline, sectional 10* temperature rise above the maximum limit for its view ) . class will have its insulation life halved.
Parts list (see rear of this section). While somewhat less serious, underloading a motor is improper. It does lower the power factor which results Stock of essential parts. in higher power cost. Any mo*or consistently under.
loaded should be replaced by one of lower power rating.
List of spare units in storage.
TEMPERATURE. Electrical apparatus operating un.
Alignment data (departures from perfect alignment, der normal conditions become quite warm. Although allowance for high temperature). some places may feel hot to the touch the unit may be within guaranteed limits. Use a t;ermocouple to meas.
Results of regular inspecthn (Service Recordi. ure ainding temperature.
Repairs 4 Service Recordi. The Total Temperature - not the temperature rise, is the measure of safe operation. Investigate the op-Lubrication data: nating corclitions if the Total Temperature measured by the Temperature Detector placed on the winding hfethod of application. exceeds:
Types of grease for wet, dry, hot, or adverse loca. 230: F (110: Ci for Class "B" insulation, tions. 275: F (135: Ci for Class "F" insulation.
Stock o' gresses. 302: F (150: Ci for Class "H" insulation.
l hiaintenance cycle by locaticns (Some require more frequent lubn, cation i. If checking total temperature by winding renstance or imbedded detector, total temperature should not exceed Record for each unit (Service Record). the following :s they represent maximum msulauon temperature. *If operation occurs above these temperatures, insulation life is shortened.
PREVENTIVE MAINTENANCE Several of the more imporbnt items of good mainte- '266* F (130*C) Class "B" insulation nance are discussed in the following paragraphs. Others *312*F (155'C) Class "F" msulanon
- 356*F (180*C) Class "H" msula tion should be edded when adverte or unusual conditions exist.
Inspectics,. Each rnachine should be inspected at reg.
ular intervals. The frequency and thoroughness will LOW INSULATION RESISTANCE isee Corrective depend on the amount of operation, nature of service, Maintenance.)
and the environment. Inspect for:
Vibration C,LEANLINESS. The exterior shoeld be kept free of oil, dust. , dirt, water, and chemicals. For a fan.ccoled hiost proSlems can be detected when inspected visu.
machm, e it is porticularly important to keep the air ally. Check for:
intake opening free of foreign material. Do not block loose or missing parts, such as - fan blades, nuts, air outlet. bolta, screws, couplings, etc.
11 1
l l
l
Accumulation of dirt on fan or rotor. Windings of SUPER. SEAL
- encapsulated stator n ~
motors may be rinsed or sprayed with solvent, and Foundation construction -- Base, grouting and asso. immediately wiped dry with a cloth. These windings ciated equipment supporting drises. Vibration can be may be cleaned with water and a fugitive detergent amplified by weak tunstruction.
' < ammonium olcate n, or common household detergents.
- Rinse with clean, clear water to remove all detergent.
Associated equipment - Disconnect equipment to de. H t water or Icw. pressure steam may be used. Wipe termine where the sibration is being generated. excess water from metal surfaces and oven dry at 200: F.
History - When was vibration first noted? If there was ac' hange in loading and or duty of equipment. If After solvent cleaning and drying windings, check the ambient sibration has changed. insulation resistance.
Often, more important than the actual vibration itself, NJ M llMr" is - the charige of erbration oser a period of time.
EXPLOSION. PROOF hlOTORS:
CORRECTIVE MAINTENANCE These motors are constructed to comply Two factors that usually cause corrective maintenance with the U 'L Label Service Procedure are electrical failure or mechanical failure. The first hfanual. When reassembling a motor that sign of electricA failure is usually indicated by low has the Underwriters label, it is imperative insulation resistance. Afechanical failures are usually that:
preceded by excessive bearing noise and heat. <1) The original fits and tolerances be maintained.
Low Insulation Resistance '2s All plugs and hardware be securely fastened.
Factors that usually cause low insulation readings are:
- 43) Any part replacements are accurate 1 > Dirty windings e oil, dust, grease. salt. etc.). duplicates of the original.
(4) Motor enclosure must be verified by 2 Excessive moisture. Underwriters Laboratories and if approved a licensed service shop wdl relabel the 3 ' Alechanically damaged insulation. motor.
To violate any of the above will invalidate 4 i Heat deterioration. the significance of this label.
Factors three and four require extensive repairs by a competent service shop. Dirty wmdings can be cleaned insulation Resistance and moisture laden windings can be dried. Check insulation resistance periodically.
Cleaning A hand cranked megger. not over 500 volts. is the most convenient and safest device to use.
Clean the motor, inside and outside, regularly. Actual conditions existing around the motor dictate the fre-quency of cleaning operations. Use the following pro-cedures as they apply: CAUTION Wipe off - dust, dirt, oil, water, etc. from external Semi. conductors, small transformers, volt-surfaces of the machme. These materials can work age regulators and other devices that may into. or be carried into, the wmdings and may cause be injured by the high voltage, must not be over heatmg or insulation breakdown. in the circuit, Remove dirt, dust. other debris from ventilating air inlet. Do not permit such matter to accumulate near The standards of the Institute of Electrical and Elec-the inlet. Do not operate motor with air outlet blocked. tronic Er.gineers t IEEE) No. 43 is an excellent refer-Clean open motors mternally by blowing with clean, ence for the testing of insulation resistance. Very dry compressed air at 40 to 60 psi. If the conditions briefly, the publication recommends that stator wind-warrant, use a vacuum cleaner. ing insulation resistance, t at 75* C) measured with 500 volts D.C. - after one minute, should not be less When dirt and dust are solidly packed. or windings than; are coated with oil ,or greasy grime. disassemble the Resistance motor and clean with solvent. Use only high. flash Rated Voltage + 1000 naptha. mineral spirits. or Stoddard solvent. Wipe with 1000
= in hiegohms solvent dampened cloth. or use suitable soft bristle )
brush. DO NOT SOAK. Oven dry 4150; Fi solven* This formula is satisfactory for most checks.
cleaned wmdings thoroughly before reassembly. An., cmom wenm or oia.ic c . ma- 2s.
12
DRYING INSULATION CIRCULATING CURRENT ORYING If the merger reading is less than satisfactory, and the (1) Remove bearing housings.
cause is excessive moisture in the windings; dry the windings by applying heat from: (2) CENTER the rotor in the stator core.
(1) A warm air oven. (3) WEDGE fiber strips into the lower part of the air gap, so that rotor is not touching stator.
(2) Electric strip heaters.
(4) Direct fan on unit to blow away excessive mois-(3) Circulating currents through the coils. ture.
The heat should be applied slowly so the desired temperature will not be obtamed in less than six hours. ,
(51 Attach temperature indicators to windings and follow the procedures prescribed for drying in.
TABLE 51 sulation. Do not exceed the drying temperatures INSULATION DRYING TEMPERATURES
- I" "h* DI
CLAS5 "A" CLASS "B" CLAS S "F"' CLAS5 "H"' (6) Apply a controlled current of the same number 167* F 200* F 245' F 275' F f phases, and the same, or less than rated fre-75' C quency to the wmdings. The voltage used should 94
- C 118' C 135' C not be more than 10'; of normal, nor should it
.cs..
iemper".r"eure H" Insulated.
andno avoid sie.m inUnits shouldfor
.de mnde beabout bakedna at hours.
7or, specahed t= fore cause more than 60To,of normal full load current semperature as resand to dryang temperature- to pass through the wmdings.
Insulation resistance should be measured before the heat is applied, and every six to eight hours thereafter.
CAUTION NOTE: Insulation resistance will decrease as the ma- Insulation resistance will decrease as the chine warms up; but will begm to increase machine warms up; but will begin to in-shortly as the dryout continues. crease as the drying process continues.
A uniform temperature must be maintained in the ma-chine to obtain constant resistance readings. When the megger readir.gs reach a constant value, the drying out When the insulation resistance has reached one-half process is complete and may be discontinued. If read. of the minimum value determined by the formula, a ings are not satisfactory (high enough), check for other voltage of 15To of normal may be applied.
causes.
WARM AIR OVEN DRYING NOTE: For more detailed information about insulation (1) Remove bearing housings. maintenance, see factory instructions 05X7391.
(2) Remove rotor.
BEARINGS Hake in oven at temperatures specified in Table 5-1 and follow procedures described for drying insulation. Long life of bearings is assured only by maintaining proper alignment, and good lubrication at all times.
Some factors that can cause exet ssive bearing noise and STRIP HEATER DRYlNG heat are:
(1) Remove bearing nousings. (1) Incorrect alignment of solid couplings.
(2) Remove rotor. (2) Incorrect alignment of flexible enuplings.
(3) Direct a fan on stator to carry away the moisture. (3) Excessive, or wrong direction of thrust.
(4) Attach temperature indicators to winding and (4) Improper greasing.
apply heat as specified in Table 5-1. Follow pro-cedures described for drying insulation.
Bearing Lubricants - Grease: Prior to shipment, rnotcr bearings are lubricated with the proper amount CAUTION and grade of grease to provide six months of satisfac.
Temperatures must be carefully controlled. '"'.y w uper nonnal operadon and cdons.
Avoid hot spots. Do not use radiant type f is prach, kwm,6 peck kanngs d %
heat such that some parts become scorched mstalled motors for proper lubrier. tion.
before remote parts reach desired temper-ature.
For best results, grease should be compounded from a lithium soap base ar.d a good grade of petroleum oil.
13
It should be of No. 2 consistency for double shielded, (5) Replace cleaned drain pipe and run unit at least
- No. 3 consistency for open or single. shielded bearings, one hour to expell any excess grease.
and stabilized against oxidation. Operating temperature range should be from -15* to +250' F for Class B insu- (6) Replace drain plug.
lation, and to +300* F for Class "F" and "H". Most )
leading oil companies have special bearing greases that are satisfactory. (7) Put unit back in operation.
For specific recommendations, consult the factory.
CAUTION BEARING RELUBRICATION ^" * "
unitis *runnEg The frequency of relubricating baarings and the amount added each time, depends on two factors - speed and service. As a guide the following is recommended.
If it is mandatory to add grease while the unit is run-ning, the following instructicns must be followed care-SPEED (RPM) RELUSRICATING FREQUENCY. fully.
3600 6 Months (4,000 Hours) The correct amount of grease must be predetermined.
The object is to avuid overgreasing. Since a bearing 1800 acts as a pump when running, the initial rneasurements 12 Months or (8,000 Hours) must be made with the unit at a stand still.
bse (1) Stop the unit, lock out the switch and remove inlet
'operstmg environment may dictate more frequent lubrication' pipe plug and outlet drain pipe, as previously de-Scribed.
NOTE: A common mistake is daily lubrication of bear- (2) Add small, measured amounts of grease to inlet ings. As well as being wrong, it is a dangerous until it is evident that new grease is entering the practice, particularly when grease is added drain opening.
without terroving the drain plus. The excess grease must go somewhere and usually it is (3) Insert the inlet pipe plug: run the unit one hour forced into and through the inner bearing cap to expel excessive grease.
and is then thrown into the windings. Proper lubrication is desired, but some under lubri. (4) Replace clean drain pipe and plug.
cation is less dangerous than over-lubrication.
Relubricate bearings with the proper grade of grease as Subsequent regreasings with the unit running, the grease follows: added should be not more than % the amount needed to make the grease come out the drain when the unit i1) Stop the motor and lock out the switch. was stationary.
(2) Thoroughly clean off and remove grease inlet plug, BEARING REPLACE _ MENT drain pipe and plug from the outer bearing caps.
Replacement bearings may be of a different manu-NOTE: Drain pipes do not always permit satisfactory facturer; but must be equal to the originals used in the escape for displaced grease. It is a good prac- motor. When ordering bearings specify as follows:
vi ual y hec the d sin tiet for ase. (1) Identifying numerals,and manufacturer stamp on the bearing (number is also on motor name plate).
(3) Add grease to inlet with hand gun until small (2) Bearing Toluance Class l, LeJA.BECA) Anno amount of new grease is forced out drain. Catch lar Bearing Engineers v,mmittee - Tolerance used grease in suitable container. Class One.
(3) Electric motor quality.
NOTE: For vertical shaft motors, it is wise to check the (4) Internal Radial Clearance, i.e. ( A.F.B.M.A. 3) inner cap of the top bearing for grease slumping Anti. Friction Bearing Manufacturers Association, through the bearing and filling the inner cap Clearance Class Three.
grease reservoir. Since it is necessary to remove the housing, this check is best done during periodic shut down inspections.
CAUTION Never use A.F.B.M.A.-0 Bearings on onclosed motors with Class "F" )
(4) Remove excess grease from parts and replace inlet plug. or "H" insulation.
14
F r angular contact type bearings, replacement must tain that the inner race makes o Arm even contact be equivalent in angle of contact. Following is an in- with shaft shoulder.
terchangeability table:
MRC SEF New Bepartre Feinir 7300 P 73000 30300 7300 PW Do not subject bearing to impact.
TO REPLACE BEARINGS (1) Remove bolts holding bearing housings to yoke.
If motor has stationary inner end caps, remove (7) Ist bearing cool - pack bearing ups per table bolts holding end caps to housings. (5-2)with the proper grade of grease.
(2) Remove end housings. (8) Reassemble end caps and end housings.
(3) Remove snap ring in front of bearing.
When repacking bearings, consult the accompanying (4) Use bearing puller and exert force only on inner table for the proper amount of lubricant. Pack all open race to remove bearing from shaft. bearmgs full between balls or rollers, but remove excess grease from the outside of the retainers. Full packing of NOTE: Protect the shaft end with a cap (Fig. 5-1). * "" '
If bearing is to be reused make ertain the r puller applies pressure against the inner baar-ing race only. If puller will not hook the bearing inner race, fabriate a split bushing CREASE REPACKINE TABLE 5-2 and install it between the bearing and the Freet er Top Rear er Bottom puller hooks.
Type e! Bearing Operaung Oster Inner Inner Oster Posities cap Cap Cap Cap (5) Check shaft diameter for proper size with mi-crometer. Clean or repla inner bearmg cap and Double Shielded Vertical Full None % Full Fril slide cap onto shaft.
Open Deep Groove Vertical % Full % Full % Full Full (6) Heat the new bearing in an oven (200* F.).While Angular contact Vertical % Full % Full % Full Full it is hot, slide the bearing onto shaft - make cer.
SEARING OUTER RACE SHAFT SHOULDER POSITION CAP %
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ti PULLER BEARING INNER RACE FIG. 51 REMOVING BEARING 36914 15
EYM;QIjIr5 EXPLOSION PROOF MOTORS:
- These motors are constructed to comply '
with the U 'L Label Service Procedure -
Manual. When reassembling a motor that -
has the Underwriters
- label, it is imperative 3 that:
a1) The original fits and tolerances be maintained. (
i v2) Alf plugs and hardware be securely fastened.
13i Any part replacements are accurate duplicates of the original.
FIG. 5 2 5 HAFT RUNOUT CHECK M927 To violate any of the above will invalidate the significance of this label.
Read the maximum and minimum values on the indi-cator as the shaft is rotated slowly through 360 degrees.
The difference between the readings shall not exceed:
SHAFT OR FLANGE FACE RUNOUT .002 inch - frame 140 thru 280
.003 inch - frame 320 thru 445 Because inspection of flange faces, eccentricity and shaf t runout, is rigorously enforced at the factory, vibrations caused by this alignment problem are rare and usually ECCENTRICITY AND FACE RUNOUT OF MOUNT.
if shaft runout, face runout, or eccentricity are ex- ING SURFACES cessive; the equipment has been mistreated in some way-The eccentricity and face rar. nut of the mounting sur-faces is measured with indicators mounted on the shaft The NEMA method for checking shaft and flange faces extension. The point of the eccentricity indicator shall is as follows: be at approximately the middle of the rabbet surface, and the point of the face runout indicator shall be at
"' d' 'ter of the mounting face.
NOTE: On ball bearing motors, it is recommended that the test be made with the shaft vertical to min-
^M Y
.ffor ypical fixtu e.
imize the effect of bearing clearances.
Read the maximum and minimum values on the indi.
SHAFT RUNOUT cators as the shaft is rotated slowly through 360 de-grees. The difference between the readings shall not The shaft runout is measured with the indicator sta- exceed:
tionary with respect to the motor and with its point at the end of the finisbed surface of the shaft. See Fig. .004 inch for 140 thru 280 frame 5 2 for typical fixture. .007 inch for 320 thru 445 frame I
--+-- MOUNTING RABBET El
, MOUNTING FACE ECCENTRICITY OF I I
, g ,
MOUNTING R ABBET -
FACE RUNOUT I ,
FIG 5 3 ECCENTRICITY AND FACE RUNOUT CHECK M928 16
g.
SPARE PARTS .
SQUIRREL CAGE INDUCTION AND SYNDUCTION* MOTORS Recommended Minimum Stock
~
ftem Descrip'ien of Part Number of Units in Operation l to 4 5 to 9 10 to 20' 10 to 20 1 Motor Complete . . . . . . . . . . . . . . . . 0 0 0 1 2 Stator Cc:!s with Vrinding Supphes8 ISet 1 Set 2 Sets 1 Set 3 Bearings . . . . ..... .. I Set 2 Sets 2 Sets 1 Set 4 Oil Rings (where used) ... .... ISet 1 Set 2 Sets 1 Set 5 End Cap (Anti. friction Bearings) . .. .. ISet 1 Set 2 Sets 1 Set Synduction is an Albs Chalmers trademark. g
' jt,o,'gt,0,bgsg8,*ga eoge[*
, ,g n's,cyngen ut sig IDENTIFICATION PARTS IDENTIFICATION All units have an identification < ramei plate affixed The drawings in this book are of the standard design.
to the frame iFig 61 t All the necessary information Most of the parts should be easy to identify. if howeser.
pertaining to the machine can be found on this plate. there is some deviation from your actual machine, con-Permanent records are kept by the factory and filed by: sult the factory or the drawings supplied with your (1i Serial number.
(2 > Type and frame size.
(3, Horsepower and s.need.
Order these and other parts, as required, from (4 i Model number Allis.Chalmers, 400 440 Frames. 4620 Forest Ave.,
Norwood, Ohio 45212, 140 360 Frames,1400 Dineen It is important when ordering spare parts or refering Drive,lattle Rock, Arkansas 72206, or through the nearest to your machine, to record as much data from this sales office. Give the identifying information from the plate as possible, name plate (Fig. 61).
NDTE: IF MOTOR HAS MORE THAN THREE LEADS. THE CONNECTION DIAGRAMS ARE USUALLY STAMPED ON THE NAME PLATE OR ON A SEPARATE CONNECTION PLATE f D O O ALLIS-CHALMERS INDUCTION MOTOR Non wooo ow.O e MacesN usa SERN0 l ,ogi- [ 4 2 lyp[ l FRAME l
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AMP 5 ygly.s et.ge7sicat ELECTRICAL RPM HERil CHARACTERISTICS CHAR ACT ERISTICS DUlf eCi
' l.a.'. <' % IPHASE4 INSULATION o
' OY' y $11953s BEARINGS e a-c o, FIG. 61 IDENTIFICATION PLATE 26929 17
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. PARTS UST KEY CATALOG PART NAME N0. NO.
1 71000 Stator Assembly 2 70520 Rotor Core 3 70510 Shaft, Rotor 4 70660 Key, Square 5 72014 Cap, End - Rear 6 72320 Deflector Air 7 72014 Cap, End - Rear 6 72054 Bearing - Rear 9 72004 Housing, Bearing - Rear 10 72330 Seil, Shaft 11 72220 Bolt, Hex Head (Rear Bearing Housini 12 72220 Bolt. Hex Head (Rear End Cap) 13 72270 Plug, Pipe 14 72040 Plug, End Cap 15* 72090 Bowl, Fan and Grid 16 72080 Fan (210 - 250 Round Frarne Only) 17 72003 Housing, Bearing - Front 18 72053 Bearing - Front 19 72013 Cap, End - Front 20 72013 Cap, End - Front (Stationary Type Not illustrated 320 to 440 Frame) 21 72220 Bolt, Hex Head (Front Air Deflector) 22 71010 Yoke Stator (Typical 210-320 yoke shown) 23* 72210 Eyebolt, Lifting 24 72340 Plate, Rating 25 72220 Pin, Escutcheon 26* 72220 Bolt, Hex Head (Air Deflector - Rear) 27 70930 Gasket (Conduit Box to Yoke) 28 70900 Box Conduit 29 70960 Plug - Conduit Box 30* 72270 Plug, Pipe Conduit Box 31 70910 Cover, Conduit Box 32 72220 Bolt, Hex Head (Conduit Box Cover) 33 72220 Bolt, Hex Head (Conduit Box) 34 72220 Bolt, Hex Head (Front Bearing Housing) 35 72220 Bolt, Hex Head (Front End Cap, Not lilustrated) 36
- 72220 Bolt, Hex Head (Fan Bowl) 37
- 72260 Coupling Pipe 38
- 72250 Nipple Pipe 39 70930 Gasket, Cend. Box parting 40 72120 Drip Cover 41 72210 Litt Hook l
t
- Not Reautted for Type RGV l
19 l _
O EXPLODED VIEW RGZV 140180 g g g
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PARTS LIST KEY CATALOG PART NAIRE N0. NO, 1 71000 Stator Assembly 2 70520 Rotor Core 3 70510 Shaft, Rotor 4 70660 Key, Square 5 72014 Cap, End - Rear 6* 72320 Deflector, Air 7 72014 Cap, End - Rear 8 72054 Bearing - Rear 9 72004 Housing, Bearing - Rear 10 72330 Seal Shaf t 11 72220 Bolt, Hex Head (Rear Bearing Housing) 12 72220 Bolt, Hex Head (End Cap) 13 72270 Plug, Pipe 14* 72040 Plug, End Cap 15 72090 Bowl, Fan and Grid 16 72080 Fan 17 72003 Housing, Bearing - Front l 18 72053 Bearing - Front
- 19 72013 Cap End - Front l 20 72013 Cap, End - Front 21* 72220 Bolt, Hex Head (Front Air Deflector) 22 71010 Yoke Stator 23* 72210 Eyebolt, Lif ting 24 72340 Plate, Rating
( 25 72220 Pin, Escutcheon l 26* 72220 Bolt Hex Head (Air Deflector - Rear) 27 70930 Gasket (Conduit Box to Yoke) 28 70900 Box Conduit 29* 70960 Plug - Conduit Box 30 72270 Plug, Pipe Conduit Box 31 70910 Cover, Conduit Box 32 72220 Bolt, Hex Head (Conduit Box Cover) 33 72220 Bolt, Hex Head (Conduit Box)
- 34 72220 Bolt, Hex Head (Front Bearing Housing) l 35 72220 Bolt, Hex Head (Front End Cap) 36 72220 Bolt, Hex Head (Fan Bowl) 37 72260 Coupling Pipe 38 72250 Nipple Pipe 39 70930 Gasket, Cond. Box Parting 40 72120 Drip Cover 1 41 72210 Lift Hook
- Items not teQuered for Type RGZV 21
EXPLODED VIEW -
RGZZV 140-180 RGZZV 210 440 I
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(~- e 22 i
PARTS LIST KEY CATALOG NO. PART NAhlF NO.
1 71000 Stator Assembly 2 70520 Rotor Core 3 70510 Shaf t, Rotor 4 70660 Key, Square 5 72014 Cap, End - Rear 6* 72320 Deflector. Air 7 72014 Cap, End - Rear 8 72054 Bearing - Rear 9 72004 Housing, Bearing - Resr 10 72330 Seal, Shaf t 11 72220 Bolt. Hex Head (Rear Bearing Housing) 12 72220 Bolt, Hex Head (Rear End Cap) 13 72270 Plug. Pipe 14* 72040 Plug. End Cap 15 72090 Bowl, Fan and Grid 16 72080 Fan 17 72003 Housing, Bearing - Front 18 72053 Bearing - Front 19 72013 Cap, End - Front 20 72013 Cap, End - Front 21* 72220 Bolt, Hex Head (Front Air Deflector) 22 71010 Yoke Stator 23* 72210 Eyebolt, Lif ting 24 72340 Plate, Rating 25 72220 Pin Escutcheon 26' 72220 Bolt. Hex Head (Air Deflector - Rear) 27* 70930 Gasket (Conduit Box to Yoke) 28 70900 Box Conduit 29' 70960 Plug - Conduit Box l 30* 72270 Plug, Pipe Conduit Box t 31 70910 Cover, Conduit Box 32 72220 Bolt, Hex Head (Conduit Box Cover) 33 72220 Bolt, Hex Head (Conduit Box) 34 72220 Bolt, Hex Head (Front Bearing Housing) 35 72220 Bolt. Hex Head (Front End Cap) 36 72220 Bolt._ Hex Head (Fan Bowl) 37 72260 Coupling Pape l
38 72250 Nipple Pipe 39* 70930 Gasket. Cond. Box Parting 40 72120 Drip Cover 41 72210 Lift Hook 42 -
Underwriters
- Plate l
- ltems not teouired for Type RGZ2V 23
MOTOR SERVICE RECORD (six22ss) .
Seri;l No. Hers:psw:t Type _
Speed Yelts A mperes Pkese Cycles -
Insulation Ctes. Temperature Rise *C Freme size Connection Diagram Refer Stater Owner Order He. Item No. Date Purchased MACHINE TYPE BEARINGS SHAFT EXTEH5 TON O he*N[ce"I O Bell O Roller O Sleeve Length a Meisture. Resistent Size: Diameter O Open Drip.Preef F,en, Internal Thread R e- E 'erasi meed
@"e"eii'*sciesed O Emplosien Proof Lubrication --- Keyway Dete g, , Lecetion Application Date Repaired Repeiro er Parts Replaced"I Fevl, Repelred Tetel er Replaced by Cest l
i I
I l
',,Home of Port No.Perj ue nu facturer's Quen. I Qven. j m chine, No. Date Rept. Cost !Dete Rept. Cost iDete li' Quen. j Repl. Cost Refer l 5 tater Coils . ..
Bearing, Front ! i Reer i Other i
. ! I I I !
l INSPECTION
- Date Checked ! l i l l l l
.Seerings l I l l l t I Lubrication I t l l
! Excess Heat i ! I j Excess Meine i i l I i.
Speed i j l l voire,e i
! j i ! l Amps ! '
l l I
!nsulation ,
! 1
' Clea n I i i
_Ahme nt i ! l l i j
- Vibration l l i I. 1, I l
! Temperature I i ! i ! ! l E ALUS-CHALMERS MOTOR AND GENERATOM DIVISIONS Liche in U.S. A. NORWOOD. OHIO 45212
l [gGOULDS PUMPS l VERTICAL PUMP DIVISION installation, Operation and Maintenance Instructions MODEL VIT
}l.
t
TACLE OF CONTENTS SECTION 1-lNFORMATION 1-1 INTRODUCTION . ..
PAGE ,
12 B RIE FING . . . . . . . . . . . .. ................ . . . ..... .. ....................................................
1 }
1-3 14 I NJ U R Y PR E V E N TI ON . . . . . . . . . . . . . . . . . . . . . .......... . . . . . . . . .......
. . . . . . . . . . . . .I. . . . . . . . 1 15 SECTION BREAKDOWN AND WARNING . . . . . . . . . . . . . . . . I 1-6 R EC EI VING AND CH ECKIN G . . . . . . . . . . . . . . . . . . . . . . ... .. ... ... . . . . . ... ..... . . . ... . . ... ......
. . . . .I. .
UNLOADING . . . . . . . . . .... ..... .............
17 SHORTAGES OR DAMAGES . . ........... ........... ... .... 1 18 . . .. .. .. .. . .. .... ... ... .. ...... 1 1-9 MATERIALS AND EQUIPMENT REQUIRED . . . . . . . . . . . . . . . . . . .... . . . . ..........
. 1 MATERIAL AND EQUIPMENT NECESSARY FOR INSTALLATION .... . ... ......... 1 A. BULK MATERIAL .
............. .. . . ............. .... ........ ...... 1
- 8. RIGGING EQUIPMENT . . . . . . . . . . . . . . . . ...... ....... 1 C. H AN D TO O L S . . . . . . . . . . . . . . . . . . . . . . . ..... . . . . .......
........... . ........... 1 D. OPTIONAL TOOLS . . . . . . . . . . . . .. .
.... . ...... .. ....... ..... ........ 1 SECTION 2-STORAGE 2-1 STORAGE . . . . . . ..........................
22 S EC TIO N B R I E FI N G . . . . . . . . . . . . . . . . . . . . ...... . . . . . . . . ... . . . ........
.... . .. 5 23 S TO R AG E PR E PAR ATION . . . . . . . . . . . . . . . . . . . .. . . ... .. . ... .. . .. . ...
5 24 DEFINITION OF STORAGE . ... 6 2-5 .
. .. ... . .. .. . . ..... 6 26 RECOMMENDED STORAGE PROCEDURES ...... .. ... .. .... . .... . ... .
6 27 PREPARATION FOR UNCONTROLLED LONG TERM STORAGE. ... . . ... .. 6 ADDITIONAL PREPARATIONS FOR 2-6 ........... ....,
.. .... . .... .. ..... 6 SECTION 3-GENERAL DESCRIPTION 3-1 G ENERAL DESCRIPTION , . . . . . . . . . . . . . . . . . . . . .
3-2 . . .. . ... . ... .. .
FEATURES OF THE VIT FUMP . . . . . . . ... ... .. .
3-3 DRIVERS . . . .
. .. . .. . 6 3-4 ... ......................... ... ... .. .. . 6 COMMON TYPE DRIVERS . . ...... . ..... . . .
3-5 DISCHARGE HEAD. ..... . ......... ......... ... . . ... . . . ...... . 6 3-6 . ... . . . .... 6 DESIGN OF DISCHARGE HEAD ...
37 6 COLUMN.................................
... .... .. 6 38 DESIGN OF COLUMN ... .. .........
6 3-9 .. ... .. .. . ... .. ....
BOWL AS S EM B LY . . . . . . . . . . . . . . . . . . . . ... ...... .... 6 3-10 DESIGN OF BOWL ASSEMBLY 3-11 ............. . . .... . ..... ... ... . .. 6 THRUST POT . ... ... . . ...
3 12 ... ........ .... .. . ..... . .. . .. 6 USE OF THRUST POT . . . .
. .. ........ ... . .. .. ... . .. ... .. .. 6 SECTION 4-FOUNDATION 4-1 PREPARING THE FOUNDATION .. .. .... .
4-2 DESIGN OF THE FOUNDATION
. . .. .. 8 4-3 MOUNTING THE PUMP . . .
.. . 8 4-4 INSTALLATION . . .
. . ... . .. .. .. 8 45 BASE PLATE .
.. . . .. . .. .. .. . 8
. .. . . . .. . .. . . .. . .. 8 SECTION 5-PUMP INSTALLATION 5-1 PUMP INSTALLATION . . .. . ... ..
5-2 . . . . .. . .. . 8 53 EXCEPTIONS TO A SHIPPED ASSEMBLED PUMP. . .. ... .. .. .. 8 54 INSTALLING A PARTIALLY ASSEMBLED PUMP . ..... .
.. ... ... 8 INSTALLING PROCEDURES ..... . . .... .. . . .. .. ... . ... .. 8 SECTION 6-INSTALLING THE BOWL ASSEM8LY 6-1 BOWL ASSEMBLY INSTALLATION ... ..... .. .. .
6-2 . .... . . . .. .. 8 6-3 BOWL INSTALLATION INSTRUCTIONS . . . . . . . .
. . . .. .. ... . .. ... 8 BOWL INSTALLATION PROCEDURE . . . . . . .... .. . . ... .. .. 8 SECTION 7-INSTALLING THE COLUMN 7-1 7-2 INSTALLING THE COLUMN OPEN LINESHAFT . ... ... . .... . . .. . . .... 9 COLUMN INSTALLATION PROCEDURE ,,.
. .. . ... . . ... ... . ... . 9 7-A INSTALLING THE COLUMN CLOSED LINESHAFT . . . . ...... .... . . .. 10 2
SECTI':N 8-INSTALLING THE DISCHA"'.GE HEAD PAGE 8-1 lNSTALLING THE DISCHARGE HEAD SOLID SHAFT DRIVER . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8-2 DISCHARGE HEAD INSTALLATION PROCEDUR E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 8-A DISCHARGE HEAD INSTALLATION VERTICAL HOLLOW SHAFT DRIVER . . . . . . . . . . 12 SECTION 9-STUFFING BOX INSTALLATION 9-1 STU F FI N G BO X IN STALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 9-2 ASSEMBLE STUFFING BOX ACCORDING TO STYLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 9-3 STYLE "A"-STANDARD CONSTRUCTION . . . . . . . . . .............................15 9-4 STYLE "B"-STANDARD CONSTRUCTION WiTH SHAFT SLEEVE . . . . . . . . . . . . . . . . . . . 15 9-5 I N ST AL LATI O N O F ST Y L E " B " . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... .. . 15 9-6 STYLE"C"................................................................... 15 9-7 I N ST A L LATI O N O F ST Y L E " C" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 9-8 STYLE"D".......................................................... ..... ..... 17 9-9 I N STAL LATIO N O F STYLE " D" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 SECTION 10-MECHANICAL SEAL INSTALLATION 10-1 M ECH ANICAL SE AL IN STALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10-2 INSTALLATION INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ...... .... . ... 17 10-3 IN SID E MOU NTE D SE ALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... 17 10-4 INSTALLATION OF INSIDE MOUNTED SEALS..... ... ... ....... . . ..... .. 17 10-5 O UT SI D E M O U NT E D S E A LS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 10-6 H IG H P R E S S U R E S E A L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 10-7 INSTALLATION OF HIGH PRESSURE SE AL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......... 18 10-8 DOUBLESEALS................................................................ 18 10-9 TANDEMSEALS.............................................................. . 18 SECTION 11-INSTALLING THE DRIVER 11-1 INSTALLATION OF SOLID SHAFT MOTOR . . . . . . . . . . . . . . . . . . . . . . .... ....... 21 11 2 COUPLING BETWEEN DRIVESHAFT AND HEADSHAFT .... ........................21 11-3 DRIVER SUPPORT . . ... ... . . . ... ... ... .... . ... ............. .. . 21 11-4 IMPELLER ADJUSTMENT . . .... . .. ... . . . ............. ... ..... .. . 21 11 5 INSTALLATION OF SOLID SHAFT RIGHT ANGLE GEAR DRIVE .... . . .......... . . 22 11 6 COUPLING BETWEEN DRIVESHAFT HEADSHAFT . . . . . . . . . . . .. ...... .. .... 23 11 7 DRIVER SUPPORT . . . .. ............... ...... ...... .............. .. .. . 23 11-8 IMPELLER ADJUSTMENT-OPEN OR ENCLOSED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
- 11. A INSTALLING TH E DRIVER (VHS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....... 25 SECTION 12-PUMP START UP AND OPERATION 12 1 PRE. START PROCEDURE . . . . . . . . . . .. . ....... ........ . .. .. .. . 28 12-2 PRIMING . . . . . . . . .. . ... ... . .. .. .. . . . ........ ... 28 12-3 FIRST STAGE . . . .. ..... . . ... . . . . . . ... ... . ... . . 28 12-4 PUMP START UP . . . . . . . . . . .. .. .. .. .. . .. .... ... .. .. 28 l 12 5 STUFFING BOX . .. ... .. . .. . .. ..... . .... .. . .. 28
[ 12-6 STUFFING BOX LEAK AGE . . . . . . . . . . . . . . . . . . .. . ... . .. .. .. 28 12-7 MECHANICAL SEAL . .. . . . . ...... .. . . ... . . . 28
- 12-B SEAL LEAKAGE ... ... . .. .. .... ... . .. . .. .. . . . 28 l SECTION 13-THRUST POT 13-1 THRUST POT INSTALLATION . ... . . 29 t 13-2 DISASSEMBLE THRUST POT PRIOR TO INSTALLATION . 29 13-3 IMPELLER ADJUSTMENT ... . . .. . . 30 13-4 ADJUSTMJT PROCEDURE . . . . . . .. . . . 30 A. OPEN IMPELLERS . . . . . . .... ... . . . . . ... . . 30 B. CLOSED IMPELLERS . . . .. . . .... ... .. . . 30 SECTION 14-M AINTENANCE 14-1 PREVENTIVE MAINTENANCE . , . .. . _ .. . 33 14-2 PREVENTIVE MAINTENANCE BRIEFING , 33 14-3 PACKING ADJUSTMENT AND REPLACEMENT . .. 33 14 4 ADJUSTMENT IN ACCORDANCE WITH LEAKAGE RATE 33 14-5 THRUST POT LUBRICATION PRCCEDURE . . ... . . . 33 3
SECTISN 15-TR3U;LESH2STIN3 15 1 PAOE 15 2 CORRECTIVE MAINTENANCE (see table 15-1) . . . . . . . . . . . . . . . . . . . . . . . . . . .
- CORRECTIVE MAINTENANCE PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 16.-PUMP DISASSEMBLY & REASSEMBLY 16 1 }
16 2 DIS ASS E M BLY PR E PA R ATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . '
16 3 SOLID SHAFT D RIVE R R E M OVAL . . . . . . . . . . . . . . . . . . ............ ......................
16 4 DISCHARGE HEAD AND COLUMN REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16-5 B O WL A S S E M 8 LY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16 6 TU R B IN E B O W L S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... .40. . . . . . . . . . .
16-7 TAPER COLLET CONSTR UCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16 8 STANDARD KEY CONSTR UCTION . . . . . . . . . . . . . . . . . . . . ..............40 ......................
TURBINE BOWL-WEAR RINGS REMOVAL 16 9 ........................................40 16-10 TUR 8INE BOWL-lMPELLER WEAR RING REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . .
16-11 BOWL. SUCTION BELL AND RETAINER BEARING REMOVAL . . . . . . . . . . .
16 12 lNS PECTION AN D R E PLACE M E N T . . . . . . . . . . . . . . . . . . .............40 ......................
16 13 TURBINE BOWL AND IMPELLER WEAR RING INSTALLATION . . . . . . . . .. .. .. .. .. . . . 40 16 14 BOWL. SUCTION BELL AND RETAINER BEARING INSTALLATION . . . . . . . . . . . . . . .
16 15 TUR8INE BOWL WITH TAPER COLLET REASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . .
S TANDARD KE'r CONSTRUCTION-REASS EMB LY . . . . . . . . . . . . . . . . . . . . . . . . . . .
LIST OF ILLUSTRATIONS (DRAWINGS AND PICTURES)
FIGURE TITLE 31 STANDARD VIT_ PUMP 61 INSTALLINC BOWL ASSEMBLY 62 KEYED SHAFT COUPLING 71 INSTALLING THE COLUMN 81 INSTALLING THE DISCHARGE HEAD 8A 2 8A.8 TENSION PLATE ASSEMBLY (DRIP FEED ASSEMBLY) 91 TENSION PLATE ASSEMBLY (FLUSH 1.UBRICATION)
INSTALLING THE STUFFING BOX 10-1 10-2 INS DE.OUTSIDE MOUNTED AND HIGH PRESSURE SEALS DOUBLE AND TANDEM SEALS 11-1 FLANGE 0 ADJUSTABLE COUPLING 11 2 FLANGED ADJUSTABLE COUPLING WITH SPACER 11 A2 HOLLOW SHAFT ADJUSTING NUT 11-3 IMPELLER ADJUSTMENT 11-4 RIGID FLANGE COUPLING 11A 14 IMPELLER ADJUSTMENT 13-5 THRUST POT INSTALLATION 13-6 THRUST 'OT BEARING ARRANGEMENT 16 1 COLLE'. DRIVER 16 2 IMPELLER. KEY CONSTRUCTION 16-3 SETTING PUMP SHAFT 4
SECTIEN 1-INTREDUCTIEN
. 1-1 INTRODUCTION 17 Any shortages or damages should be imme.
diately called to the attention of the local freight
, 12 The design, material, and workmanship in- agent of the carrier by which the shipment arrived corporated in the construction of Goulds pumps and proper notation made on the bill. This shall makes them capable of giving long, trouble-free prevent any controversy when claim is made and service. The life and satisfactory service of any facilitate prompt and satisfactory adjustment.
mechanical unit, however, is enhanced and ex-tended by correct application, proper installation, 18 MATERIALS AND EQUIPMENT periodic inspection and careful maintenance. This REQUIRED instruction manual was prepared to assist opera-tors in understanding the construction and the 19 The mate:W and equipment necessary for in-correct methods of installing, operating, and stallation of the pump will vary with the size of the maintaining these pumps. pump and the type of installation.
The following list of standard tools and supplies is 13 it is advisable that rotating components of offered only as a guide.
the pump assembly be covered with a suitable rigid guard to prevent injury to personnel. A. BULK MATERIAL 14 Study thoroughly Sections 1 thru 13 and
^
carefully follow the instructions for installing and DO C ING) operating. Sections 14 thru 15 are answers to trou. Thread Compound ble and maintenance questions. Keep this instrue. Lubrication Oil '
tion manual handy for reference. Further informa- Turbine Oil tion can be obtained by contacting the Vertical Grease Pump Division, Goulds Pumps,Inc., City of Indus- Solvent, petroleurn-base (kerosene, distillate or try, California or your local branch office. unleaded gasoline)
B. RIGGING EQUIPMENT WARNING Mobile power hoist; or a traveling crane; or a GOULDS PUMPS, INC. WILL NOT BE derrick LIABLE FOR ANY DAMAGES OR DE- Drag line and blocks LAY CAUSED BY FAILURE TO COMPLY Elevator clamps,if unit is unassembled WITH THE PROVISIONS OF THIS IN-STRUCTION MANUAL. Clevises-for use with eyebolts Timbers-size, length and quantity as requi+ced to support long pump parts on the floor 1-5 RECEIVING AND CHECKING l Beams or timbers to support pump over installation 16 The pump should be carefully supported C. HAND TOOLS prior to unloading from the carrier Handle all Pipe wrenches, clean rags compor,ents carefully. Inspection for damage of the shipping crate should be made prior to un. Feeler gages packing and pump. After unpacking, visually in- Set of mech &nics tools, including: files, wire spect the pump, and check the following: brush, pliers, wirecutters and pocket knife.
A. Contents of the pump assembly against ship- O. OPTIONAL TOOLS TO FACILITATE PUMP AS-ping list. SEMBLY AND DISASSEMBLY B. All components against damage. Dial indicator to assist in motor d pump alignment C. Shaf ting for straightness and damage should Collet driver to assist in boivl assembly and the crate be broken or show careless handling. disassembly.
SECTION 2-STORAGE ment is stored. This section provides procedures l 2-1 STORAGE for preparation prior to storage and maintenance 2.2 Goulds Pumps carefully preserves ano pro- during storage of Goulds pumps. These proce-tects its products for shipment. However, the ef- dures are necessary to protect the precision parts fective life of the preservatives applied at the fac- of the pumps. Specific procedures for storing mo-tory can vary from 3 to 18 months depending on tors, gearheads, and engines, should be obtained the severity of the environment in which the equip- from the equipment manufacturer. This section is 5
int ndrd to be of g:nsral assist;nc3 to usirs cf Goulds pumps. It shall not modify, amend and/or D. Tha pump must not be stored closIr thin six otherwise alter the scope of Goulds Pumps war- inches (15 cm) from the ground.
ran esponsibilities to the purchaser in any way 2-6 PREPARATIONS FOR .
UNCONTROLLED LONG TERM i 2-3 STORAGE PREPARATION STORAGE 2-4 Goulds' vertical pumps require proper prepa. 2-7, When applicable to the pump, storage pe-ration for storage and regular maintenance during riods over six months require the preceding un-storage. The pump shall be considered in storage controlled storage procedure plus the following:
when it has been delivered to the job site and is waiting installation, A. Inspect the lube oil and seat flush piping, and either fill the piping with rust preventative oil, or recoat the piping periodically to prevent corrosion.
2-5 RECOMMENDED STORAGE PROCEDURES B. Place 10 pounds (4.5 kg) of moisture absorbing dessicant or 5 pounds (2.3 kg) of vapor phase in-A. Controlled storage facilities should be main- hibitor crystals near the center of the pump. If the tan.
ned at an even temperature 10* F (-12* C) or pump is assembled, place an additional one more above the dew point with relative humidity pound (0.5 kg) in the discharge nozzle securely Irss than 50% and little or no dust. (!f these re- fastened to the discharge elbow.
quirements cannot be met the pump is to be con-sidered in uncontrolled storage.) C. Install a moisture indicator near the perimeter
- 8. For uncontrolled storage periods of 6 months of the pump. Cover the pump with 6 mil (0.15 mm) or less, the pump is to be inspected periodically to rainimum thickness black plyethylene or equal and insure that all preservatives are intact. sssi it with tape. Provide a small ventilation hole approximately % inch (12 mm) diameter.
C. All pipe threads and flanged pipe covers are to b3 sealed with tape. D. Provide a roof or shed shelter to protect from direct exposure to the elements.
SECTION 3-GENERAL DESCRIPTION 31 GENERAL DESCRIPTION 3-7 COLUMN 3-2 The model V:T pump is a vertical industrial turbine type pump designed to meet wide ranges 3-8 Flanged column construction provides posi-of service. The VIT pump also features capacities tive shaft and bearing alignment, ease of ass 6mbly to 29000 GPM (6600 mNh), heads to 3500 feet and disassembly. Bearings are spaced to provide vibration free operation below shaft first critical (1065 r m), and pressures to 3000 PSIG (210 kg/ speed to insure long bearing and shaft wear. The cm ).
lineshaft is supported within the column by use of 3-3 DRIVERS bearing retainers secured to the column assembly.
These retainers are separate from the column pipe 34 Where mechanical seals are required the for nominal pipe sizes up to and including 12* and most common drivers supplied are sclid shaft integrally fabricated for all larger diameters.
stictric motors with adjustau'3 spacer type cou-plings which permit replacement of the mechani-cal seal without disturbing the driver. Solid shaft gttrs are also used, occasionally. 3-9 BOWL ASSEMBLY Wh3n packing boxes are used or the unit is of the 3-10 The bowls are generally of flanged con-enclosed line shaft, oil lubricated type, hollow- struction for accurate alignment and ease of as-shaft motors or gears are often used, with a sepa- sembly and disassembly. Impellers may be either rate head shaft thru the driver and connected to open or enclosed, depending on design require-tha pump by rigid flanged coupling or threaded or ments. For temperatures over 180* F (82* C) and in kcycd type line shaft coupling, depending on the application. the larger sizes, impellers are keyed to the shaft. A special first stage low NPSH ,mpeller i may be pro-vided in certain applications.
3-5 DISCHARGE HEAD 3-6 The discharge head is a fabricated "L" type hnd. Ports are provided for connecting discharge gaga, stuffing box or mechanical seal bypass re- 3-11 THRUST POT turn. Discharge head is designed with large hand 3-12 A thrust pot is utilized when the electric mo-hol7,s for easy mechanical seat or stuffing box adjustment. tor or gear is not designed to carry the pump thrust.
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Figure 3-1. STANDARD VIT PUMP l
SECTION 4-FOUNDATION 4-1 PREPARING THE FOUNDATION structural steel frame, pumps shall be located di-42 The foundation must be rigid, level and of ad- rectly over, or as near as possible to the main g cquate strength to support thG complete weight of building members, beams, or walls. Mounting 2 flange shall be bolted to the support to avoid dis-the pump, plus the weight of the liquid passin9 througn it. Concrete foundation shall have bolts tortion, prevent vibration, and retain proper alignment.
with a pipe sleeve 2% times the bolt diameter embedded in the concrete, sized and located in accordance with the dimensions given on the 4-4 INSTALLATION Pump Certified Outline Drawing. The pipe sleeve 4-5 BASE PLATE allows movement for final positioning of the foun-dation bolts to conform to the holes in the base If a h @ is;, W MM b a hel plate flange. g crete foundation, use shims for leveling the plate.
4-3 When the pump is mounted directly on a SECTION 5-PUMP INSTALLATION 5-1 PUMP INSTALLATION D. Lower the unit and carefully guide it so th;;
5-2 Pumps 20 feet (6 m) or less in length are usu- unit does not strike sides of the base plate. Con.
ally shipped assembled, with the exception of the e o ower und und dscharge Mad Hange em driver, packing, mechanical seal with tubing and gages and rests firmly on the plate, then secure coupling assembly, spacer or nonspacer type. w th capscrews provided.
When provided refer to the Certified Pump Out!!ne E. When a lineshaft is shipped separately check for the applicable base plate plan for locating an- shaft for straightness; average total runout shou'd chor bolt holes. not exceed 0.010 T.I.R. (0.25 mm) for every 10 'eet (3 m). Shaft must be within tolerance pri;r to 5-3 INSTALLING A PARTIALLY installation.
ASSEMBLED PUMP F. Remove stuffing box (if installed) and carefully 5-4 A. Install base plate as described in Section slide shaft through top column bearing retainer 4 and thread into coupling after replacing stuffing box or seal housing. Use extreme care not to dam-B. Clean the plate mounting flange and clean bot- age retainer bearing.
tom surface of discharge head mounting flange. F. Refer to Section 6 through 16 for complete as-1 C. Sling through discharge and holes or thread sembly, startup, maintenance, disassembly and ;
two eyebolts through bolt holes in flange and hoist recommende:11uoricants for the pump. '
unit into position over the foundation.
SECTION 6-INSTALLING THE BOWL ASSEMBLY 6-1 BOWL ASSEMBLY INSTALLATION COULD RESULT IN DAMAGING THE 6-2 The following bowl installation instructions PUMPSHAFT.
i apply to pumps shipped disassembled. 6-3 P. ,r to installing the bowl assembly check WARNING that all capscrews are tight and any required inte- ,
gral piping is installed. Remove all accumulated DO NOT WORK UNDER A HEAVY SUS- dust, oil or other foreign matter from external sur- !
/* ENDED OBJECT UNLESS THERE IS A faces. Install bowl assembly as follows:
FJSITIVE SUPPORT UNDER IT, WHICH WILL PROTECT PERSONNEL SHOULD A. Place two I-beam supports across the base A HOIST OR SLING FAIL. plate opening strong enough to safely support the ,
weight of the entire pump assembly. These ~
CAUTION 1-beams should be connected by threaded rods DO NOT AFTEMPT TO LIFT BOWL AS- and nuts so as to clamp them firmly against the SEMBLY BY THE PUMPSHAFT. THIS p rtion to be supported. See figure 6-1.
8
- B. Thrrd two cy: bolts through bolt h211s in ths j fl:nge, and h:ist into p;siti:n ov;r th3 f undation, f (see figure 6-1). ,I C. Lower bowl assembly and carefully guide it so c.
that unit does not strike sides of the plate. Con- 0 D. -)
r*%
tinue to lower bowl assembly until bowl flange ,
rests firmly on the supports. 4;f '
D. Place a cover over the bowl assembly to pre- iQy) '
vent entrance of dirt or other foreign matter. 8-: -
CAUTION 4, .N'.i"/ ,
2N / f DO NOT DROP ANY FOREIGN OBJECT 7 F f INTO THE BOWL ASSEMBLY. SUCH AN OBJECT CAN CAUSE SERIOUS DAM-
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f AGE TO THE PUMP AND ANY DOWN- **i, STREAM COMPONENTS. ANY FOR-ElGN OBJECT DROPPED INTO THE Figure 6-1. INSTALLING BOWL ASSEMBLY BOWL ASSEMBLY MUST BE RE-TRIEVED PRIOR TO CONTINUING lower lineshaft approximately one inch. Install top ASSEMBLY.
split ring onto lineshaft.
- 6. Lower lineshaft until split ring bottoms in the USE "MOLYKOTE" DOW CORNING OR 9 '0"
EQUAL FOR ALL GALLING MATERIAL 7. Slide top retainer (650) downward and secure SUCH AS 316 STAINLESS STEEL with capscrews (759E).
SHAFT THREADS ARE LEFT HAND. (([
E. THREADED SHAFT COUPLING. When threaded O coupling is r.ot installed on the pumpshaft, pro- '
- ceed as follows:
d screwing it on for one-half its length. K'
- 2. A fine wire inserted in the drilled hole at the I ! 8 center of the coupling can be used as a gage to ll determine when the coupling is correctly posi- i i .
e tioned on the pumpshaft. Remove the wire after l l s :
installing the coupling. -
l Qj F. KEYED SHAFT COUPLING. When a pump is : -
'd equipped with keyed shafts assemble as follows: : [ ,
- 1. Install bottom retainer (650) and insert key -
(730D) onto shaf t. (See figure 6-2). ; y g
- 3. Insert bottom split ring (726), lower coupling Dl, IL sleeve until it bottoms against split ring.
- 4. Secure bottom retainer (650) with capscrews h I d
,o (759E). Om ,
- 5. Slide retainer (650) onto shaft away from shaft I groove. Insert key (730D) onto lineshaft (646) and Figure 6-2. KEYED SHAFT COUPLING SECTION 7-INSTALLING THE COLUMN ness. Average total runout should not exceed 7-1 INSTALLING THE COLUMN (OPEN 0.010 T.I.Rd0.25 mm) for aery 10 feet (3 m).
LINESHAFT) B. A.pply a thin film of oil to lineshaf t and coupling 72 When provided, see the Certified Pump Out- (649) threads (if non-gallina material) Start thread line Drawing for the required number of column manually until resistance is e, s. Complete the joint and shaf t sections required. utilizing a pair of pipe wrenches butting the bot-A. Check the headshaft and lineshaft for straight- tom of lineshaft against the top of pumpshaft 9
l (660). Us2 cara not to apply wrench:s on bearing G. Place bearing retainer (652) with bearing (653) journal surfaces. (See figure 31).
over lineshaft (646) and locate it in the bottom col- -
CAUTION umn (644) flange register (see figure 7-1).
USE "MOLYKOTE" DOW CORNING OR EQUAL FOR ALL GALLING MATERIAL ~ NOTE SUCH AS 316 STAINLESS STEEL. ON LARGER COLUMN SIZES, THE )
NOTE BEARING RETAINER MAY BE INTE-SHAFT THREADS ARE LEFT HAND. GRAL WITH THE COLUMN.
C. KEYED SHAFTS-Refer to Section 6, para-graph 6-3. step F. H. Install threaded coupling (649) on protruding end oflineshaft(646),if required.
D. Install two eyebolts diametrically opposite in l J. KEYED SHAFTS-Repeat Step C, paragraph the upper flange of column (644). Attach a sling to 7-2.
i the eyebolts and to hoist hook. Hoist column sec- i tion over bowl assembly. (See figure 7-1). Lower K. Assemble next column section, intermediate, or column over lineshaft until column flange engages top column as required, and make certain bearing the discharge bowl flange register. Insert as many retainer engages the column register, and secure capscrews through both flanges as possible, with capscrews provided until all column, and Tighten capscrews gradually in diametrically co- lineshaft sections required for the proper pump posite pairs. setting have been assembled. Tighten capscrews gradually and uniformly.
E. Lift bowl and column assembly high enough to allow rotation of the 1 beam supports. Install and tighten remaining capscrews. NOTE F. Lift assembly and remove supports. Siowly WHERE SEPARATE BEARING RETAIN-lower the bowl and column assembly. Place sup- ERS ARE USED, DO NOT OVER-ports on the base plate and continue to lower the TIGHTEN FLANGE BOLTS IN ORDER assembly until the column flange comes to rest on TO MAKE FLANGE FACES MEET.
the supports. FLANGE FACES ARE DESIGNED TO BE SEPARATED BY BEARING RETAINER.
SECTION 7-A-lNSTALLING THE COLUMN-CLOSED LINESHAFT CONSTRUCTION 7-A1 Installing the column wnen en- hardening compound to the matching threads of closed lineshaft, externally lubricated is the pump top screw bearing and take up tightly.
used.
7-A 2 Proceed exactly as described in SECTION C. Lift the first length of column pipe over the 7, items A. B. and C. tube and shaft assembly by its eyebolts as de-scnbed in SECTION 7, item D and lower it over the A. Shafting and enclosing tube will usually be tube and shaft assembly and securely bolt in place made up in 10' (3 m) lengths, with one odd length, as described.
gtnerally shorter, to come out with the proper T.P.L. required by the installation. The same will D. Lift entire assembly by the column pipe eye-apply to the column pipe. These odd lengths must bolts and remove the supports. Slowly lower the go together, and are usually the top lengths unless bowl and column assembly. Place the supports on otherwise designated. The enclosing tube, al- the base plate and continue to lower the assembly though probably made up in 10' (3 m) lengths as until the column flange comes to rest on the supports.
dzscribed, is actually composed of shorter sec-tions screwed together over externally threaded E. Pour about one quart of light turbine oil into bronze lineshaft bearings. The very top-most piece the top tubing section and screw the lineshaft of lineshaft tubing which extends up into the dis- bearing into the top length until it bottoms, ready charge head, may be distinguished by its having a to receive the next length of tubing assembly, long, externally threaded portion.
B. Attach a small, adjustable, pipe vise type of lift- CAUTION ing device to a 10'(3 m) tubing assembly and raise USE A LIGHT TURBINE OIL OF S.A.E.
up and lower the assembly over the first length of 10 OR EQUlVALENT. DO NOT USE AU-TOMOTIVE OILS.
shaft attached to the bowl assembly as described in SECTION 7, item B. If such a device is not avail-tble, use a piece of light manila line, fastened to F. Installlineshaft coupling onto projecting end of tha tubing by a clove hitch or a double half hitch. shaft for half the length of the coupling and con-tinue on with each suceeding joint in same man-
- 1. Apply "Never Seize" or some other non. ner until all are installed.
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Figure 7-1. INSTALLING THE COLUMN
! 11
i SECTION 8-INSTALLING THE DISCHARGE HEAD (SOLID SHAFT DRIVES) - t 81 INSTALLING THE DISCHARGE installing the head. See Section 16 for removal of HEAD seal. )
8-2 Goulds VIT pumps are provided with an "L., E. Remove coupling guard if provided. Attach a type head. Install discharge head as follows: sling through windows (hand holes) or thread two A. If the stuffing box is assembled to the head. eyebolts in the head driver support mounting remove it and all attached piping. See figure 9-1 holes diametrically opposite and hoist discharge for the applicable stuffing box provided, for the head over the protruding headshaft.
pump being assembled. Remove coupling guard, if provided. CAUTION B. Remove the nuts that secure split gland (618) DO NOT BUMP OR SCRAPE THE to stuffing box (616) and slide split gland out of SHAFT PROTRUDING ABOVE THE the box. Capscrews that secure the split gland COLUMN. THIS COULD RESULT IN halves together may have to be loosened to facih- BENDING OR DAMAGING THE SHAFT.
tate removal of split gland. Do not remove studs from split gland.
C. When a shaft sleeve is provided, remove sleeve as follows: F. Orient the discharge head in the required posi-
- 1. Mark original position of sleeve on shaft to fa- tion and lower head centering the vertical hole cilitate reassembly. with the headshaft protruding above the column
- 2. Utilizing a sharp scribe, mark position of sleeve until the discharge head engages the bearing re-tainer (652) register (see figure 8-1). Install cap-on shaft, marking a thin line. Remove any sharp screws and secure discharge head to bearing re-cdges by polishing with a fine crocus cloth. tainer, Tighten capscrews gradually in
- 3. Remove setscrews and gently work sleeve diametrically opposite pairs.
down to expose setscrew seat on shaft. If area is G. Lift pump assembly high enough to allow rota-burred, remove burrs as required to blend with tion of the supports. Realign and lower assembly.
shaf t diameter.
Install and tighten remaining capscrews. Repeat
- 4. Wipe shaft with light oil anc gently work sleeve rotation and tightening procedure until all cap-off the shaft. lf shaft is threaded or keyed, use care screws are uniformaly tight.
when passing O-ring over the threaded area. Coat threads with a heavy grease, and screw or rotate H. Hoist bowl column, head assembly, and re-move supports.
sl: eve over the threads, and remove sleeve.
D. When a mechanical seal is provided it is usu- J. Lower bowl, column and head assembly until ally shippeo separately. In case the seal is assem- discharge head mounting flange engages base bled to the discharge head, remove seal prior to plate and secure discharge head to mounting plate.
SECTION 8-A-INSTALLING THE DISCHARGE HEAD (VHS DRIVER)
SA-1 Proceed exactly as outlined in Section 8; Ittms E thru J. methods of tensioning the tube. The direct pull method is more precise and is preferred. The sec-ond method-the wrenching method-is given as 8A-2 INSTALLING THE TUBE TENSION an alternate.
PLATE NOTE A. Lubricate tube threads and underside of ten. THE CORRECT TENSION IS EQUAL TO sion plate flange with thread compound. Thread tha tension plate (625) onto the enclosing tube E L 0%
nipple (629) manually until its shoulder rests on th3 discharge head. (See Figure 8A-2).
B. Weights per ur:'r 'ength for each tube size are given in Table 8A-2. Mult@ly by total length of the 8A-3 TENSIONING THE ENCLOSING TUBE 8A 4 DIRECT PULL METHOD A. The enclosing tube sags from its own weight as A. The upper end of the tube may be pulled by the it is installed, and must be pulled tight (tensioned) hoist to obtain the predetermined tension value.
to make it straight. This section deacribes two This requires the use of a dynamometer scale and 12
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Figure 8-1. INSTALLING THE DISCHARGE HEAD an adapter fitting to grip the tube. (TUBE TENSION 8A 6 INSTALLING TENSION NUT ADAPTER AVAILABLE THROUGH FACTORY). With the tens;on plate installed manually but not tight. A. Install capscrews (758F) in the tension plate.
ened, thread the special fitting onto the top of the Pour one pint of oil down the oil tube.
tube to full engagement. Attach the dynamometer B. Install packing in the tension plate and thread scale to the fatting, and connect the upper end of the tension nut (626), tightening it firmly against the scale to the hoist hook. Operate the hoist hook the packing.
to apply the required tension. This should pull the C. If a packed type tension nut (623) is used. in-tension plate off the discharge head. Manually stall packing (620C). packing gland (618) and se-thread the tension plate to reset it. Release ten- cure with stud (739E) and nut (735B). Screw nut sion, remove dynamometer scale and special finger tight. Install line assembly (635) and con-fitting. nect to flush liquid supply (see figure 8A-8).
l 8A 5 WRENCHING METHOD CAUTION A. If a dynamometer is not available, the tube can 8 SURE T TU E DO NOT INT l be tensioned by wrenching the tube tension plate. FERE WITH THE TENSION NUT.
Make up a spanner wrench to straddle the project-ing threaded tube end ,and to engage the tube ten- D. If the top of tube interferes with the tension i
Sion plate capscrew holes by two lugs. Torque the nut, determine the distance if tube is too long or tension plate to take all the slack out of the shaft too short. Remove tension plate, raise pump as-tubing and induce a reasonable amount of tension sembly, unthread lock ring (639), and adjust nipple by turning the tension plate counterclockwise. For tubing 2W" (63.5 mm) and larger, a man's full (631) (see figure 8A-2) the required distance to eliminate interference. Reinstall and relevel pump.
l strength on a 3 (75 mm) lever arm is sufficient. Refer to Section 7 paragraphs J and K.
For smaller sizes, less pull must be exercised.
NOTE 8A-7 LUBRICATION SYSTEM DO NOT TURN CLOCKWISE TO ALIGN A. Connect solenoid valve (if provided), oil lines.
l HOLES IN TENSION PLATE AND DIS.
I CHARGE HEAD. and fill the oil reservoir with oil.
13
l Pi
! l _
l (635) UNE ASSY.
p (747E) TENSION NUT PLUG -
(626) TENSION NUT (628) BEARING i
(625) TENSION PLATE (758F) CAPSCREW f [ 3 i:iiii::ii:iB .:::::iiiij
!:!::::::::!R .:::::::;:: l l
l l
(6208) PACKING RINGS (629) TUBE NIPPLE A
Figure 8A 2 TENSION PLATE ASSEMBLY (DRIP FEED LUBRICATION)
(~
(739E) STUD (618) GLAND 1 (7358) NUT 1
s %
(623) TENSION NUT
'q (620C) PACKING RINGS (627) BEARING -
(625) TENSION PLATE
\ l f ,
- l hhhhf!hhh!!
(6200) PACKING RINGS
/ (629) TUBE NIPPLE .
1 l
Figure 8A 8 TENSION PLATE ASSEMBLY (FLUSH LUBRICATION) 14
- B. Check th] lubricat:r feed Cnd see that tha cil quired). Set tha proper drops p;r minuta en the reservoir is fl: wing freely. (in tha c se cf a sole- regul: tor. Tabla 8-2 sh:ws recommIndcd r:gula-noid valve, temporary power connections are re- tor setting. l l
TABLE 8-2 REGULATOR SETTING TABLE SA 2 l DROPS PER EGHLPERMM M ENCWSWG ME MINUTE PER 100 TUBE SIZE WElGHT PER FOOT l FEET (30.48 (INCH) (LB.) i METERS) OF SHAFT SIZE SHAFT SIZE SETTING (INCH) (mm) 8 19 to 25 mm 2 5.02 16 .75 to 1.00 30 to 50 mm 2% 7.66 20 1.19 to 1.94 55 mm and 3 10.25 2.19 and larger larger 3% 12.50 4 14.98 5 20.78 6 28.57 SECTION 9-STUFFING BOX INSTALLATION 9-1 STUFFING BOX INSTALLATION G. A properly packed stuffing box should be loose 9-2 Assemble stuffing box in accordance to the style provided A, B, C, or D (see figure 9-1) Cau- CAUTION tion notes apply to each individual stuffing box. DO NOT OVER TIGHTEN STUFFING BOX. IT CAN WEAR OUT PACKING 9-3 STYLE "A"-STANDARD PREMATURELY AND SERIOUSLY CONSTRUCTION DAM AGE THE SHAFT.
A. Position gasket on discharge head. Slide stuff- 3-4 STYLE " B"-STA N D A R D CO N-ing box (616) down over shaft and into position on STRUCTION WITH SHAFT SLEEVE.
gasket. Secure stuffing box with capscrews.
B. Insert packing washer (789C)into stuffing box, 9-5 Style "B" stuffing box is the same as style if provided. (Packing washer not required on shaft "A" with the exception that it has a shaft sleeve sizes 2.19"(55 mm) and over.) with an O-ring.
C. Grease the packing rings (620A) for easier A. Lubricate O ring (7438) in sleeve (609) and installation. shaft threads.
D. Twist the packing ring sideways to get ring B. Insert sleeve onto shaft and slowly rotate coun-around the shaft and start the first ring into the terclockwise, simultaneously pushing inward stuffing box. When the entire ring is worked in us. gently until O-ring is clear of shaft threads.
ing the fingers, tamp it down using a split wooden C. Locate sleeve on shaft (scribe mark on shaft) or bushing or equal and push the packing ring hard, setscrew sear and secure with setscrews (774A).
it must seat on the shaft and bore. Install all 6 D. Follow steps A through G, paragraph 9-3. for nngs in this manner. Stagger ring joints 90 de- complete style "B" installation.
grees apart. The split gland (618) may be used as a tamper for the topmost ring. 9-6 Style "C" E. Install split gland (618) and thread nuts on split l gland studs and tighten with a wrench then relieve 9-7 Style "C" stuffing box is provided with a i the nuts and tighten finger tight. Attach bypass shaft sleeve,0-ring. lantern ring and grease cup.
line (624) to tube fitting in stuffing box. A. Follow steps A through C, paragraph 9-5, when F. Final adjustment of the stuffing box must be provided with a shaft sleeve and O-ring.
made at pump startup. This final adjustment ap- B. Insert packing washer (789C) into stuffing box plies to all stuffing box styles. and install two packing rings (620A) in accordance with steps A through D, paragraph 9-3.
i CAUTION l
CHECK THAT THE SPLIT GLAND IS C. Insert lantern tsg (621) into stuffing box. Be sure it is properly positioned so that it aligns with l SQUARE IN THE STUFFING BOX.
COCKING CAN CAUSE UNEVEN the lubncation passage in the stuffing box.
COMPRESSION OF PACKING AND D. Install two packing rings. stagger ring joints 90 DAM AGE TO THE SHAFT. degrees apart.
l 15
(616) SPLl7 GLAND '
(618) SPLIT GLAND (774A) SET SCREW (624) BYPASS LINE
,/ (624) BYPASS I
' ( ! LINE s , j ~- d '
b' s
s r s 2 g (630Al PACKING RINGS (620A) PACKING
/ 'j :s E
RINGS l
(789C) PACKING l (789C) PACKING l
- WASHER WASHER 5
(616) STUFFING
- (617) BEARING (616) STUFFING -(617) BEARING (609) SLEEVE j
h l -(743) 0 RING l
STYLE A STYLE 8 (618) SPLIT GLAND (774A) SET SCREW GREASE CUP
{ NE (618) SPLIT GLAND I (624) BYPASS Q N l g LINE k".
(620A) PACKING
\ (621) LANTERN RINGS !
{ RING i (789C) PACKING (620A) PACKING WASHER
\ (621) LANTERN RINGS g J ]_ RINGS
- 3
. 1 .
s s s
(616) STUFFING - .
2 -
(617) BEARING s
I s
BOX k (616) STUFFING I
l
't BOX pr (617) BEARING (609) SLEEVE
, (7438) 0-R!NG i ,3
[. v C STYLE C STYLED Figure fr-1. INSTALLING THE STUFFING BOX 16
- E. Install split gi:nd (618) cnd thread nuts cn split with th) cxc:ptirn th;t it h;s 6 picking rings,2 gland studs cnd tight:n with c wr:nch, then re. 1:nt:rn rings, cnd a pipa plug instIad of a grots 3 lieve the nuts and tighten finger tight. Attach by- cup.
. pass line (624) to tube fitting in stuffing box. A. Follow steps A through C, paragraph 9-5, when Thread grease cup into stuffing box, if not provided with a shaft sleeve and 0-ring.
installed. B. Insert lantern ring (621) in stuffing box, follow F. Fill grease cup with a high grade of grease. If step C, paragraph 9-7.
grease is not furnished, select a suitable grade C. Install 3 packing ring joints 90 degrees apart.
from the list in Section 18. Insert other lantern ring, then install 3 packing G. After stuffing box is completely assembled, ap- rings.
ply grease to the lantern ring by turning the grease D. Follow steps E through G, paragraph 9-3 for cup cap a couple of turns. complete style "D" installation.
9-8 STYLE "D" 9-9 Style "D" stuffing box is similar to style "C",
SECTION 10-MECHANICAL SEALINSTALLATION threads t seal teflon wedge around the shaft.
10-1 MECHANICAL SEAL INSTALLATION CAUTION DO NOT OVERTIGHTEN CAPSCP.EWS 10-2 Instruction for installing mechanical seals ON GLAND, THIS CAN DISTORT SEAL are provided by the seat manufacturer. Consult the SEAT AND CAUSE SEAL FAILURE.
seal manufacturer's instructions (furnished with -
e the seal) for information on the type of seal used. , g Additionally, refer to factory furnished outline drawing and seal piping schematic on complex the shaft and tighten setscrews into position. Re-seal piping arrangement. The following general in- -
structions may be used for most common seal in- DO NOT REMOVE SEAL SPACER OR stallations, applicable to the seal provided. ECCENTRIC WASHER, ADJUST SEAL OR TIGHTEN SETSCREWS UNTIL AF-10-3 INSIDE MOUNTED SEALS TER IMPELLERS ARE ADJUSTED.
(See figure 10-1) K. Connect all seal piping as required.
10-4 Inside mounted seals are usually shipped L. When impellers are readjusted, seat must also assembled, ready for installation. be readjusted.
A. Apply a thin film of oil (SAE #10 or 20) to shaft and sleeve (if provided) and 0-ring. 10-5 OUTSIDE MOUNTED SEALS.
g B. Check that shaft is smooth, and free of burrs,
! nicks and sharp corners that could ruin the O ring. A. Stuffing box face must be flat, smooth and at l Do this by using a strip of emery cloth 'shoeshine right angles to the shaft.
l fashion' over shaft threads and file over the cor- B. Shaft or sleeve must be smooth. unscored. free l ners of the keyseat. of burrs, to form a good sealing surface for a gas-l C. Check that all rotary unit parts of the seal fit ket or 0-ring. Sharp edges must be rounded.
l over the shaf t. C. Install seal gland assembly into position and i
D. File threads around the keyway with a smooth secure with capscrews provided. Tighten cap-mill file or emery cloth to prevent damage to screws gradually and uniformly.
O-ring or shaft packing. D. Apply a thin film of oil (SAE #10 or 20) to the E. When the sea' is an 0-ring type, assemble with shaft and sleeve (if provided). Clean and oil seal-l complete unit over the shaft and ease it into posi- ing faces.
I tion against the face of the seal box. Take care E. Install rotary unit, take care not to disengage when passing the sleeve and O-ring over keyways rotary unit parts. If rotary unit parts become disen-or threads to avoid damaging 0-ring. gaged, installation becomes difficult.
F. If the sealis the teflon wedge ring type, remove F. Take care when installing the unit to avoid the sleeve collar and teflon wedge ring and assem* damaging the seal packing. Do not tighten set-ble them separately after the sleeve is in pos, i tion. screws or adjust seal at this time. until impellers
! 4 G. Position seal gland on discharge head and se- are adjusted.
cure with capscrews provided. Tighten capscrews G. To adjust seal. refer to the spring gap which is gradually and uniformly. stamped on the collar and shown on the assembly H. On teflon wedge ring type, tighten collar on drawing. Tighten setscrews so that the compres-17
sign ring is mgintrinsd at tha sima distanca from the collar at all points. Before starting the pump, Et tha b ttom of stuffing box to insure that they check to insure that the spring gap and the dis- are ilat and free of burrs. -
tance from the face of the stuffing box to the col- B. Shaft or sleeve must be smooth, unscored, free of burrs, sharp edges to be rounded.
lar are the same as shown on the seal assembly drawing.
H. Install all seal piping as required. C. Scribe a mark on the shaft or sleeve exactly J. If necessary to readjust impellers, reverse the flush with face of stuffing box. This is the " refer- 1 preceding procedures. ence mark" for setting the seal to the seal assem-bly drawing. l CAUTION D. )
Lubricate the stuffing box bore and O.D. of RESET THE SEAL AFTER IMPELLERS inner (or lower) stationary insert with SAE #10 or ;
ARE ADJUSTED. i 20 oil. Protect inner insert face with soft clean ma- l terial, such as gasketing or sheet rubber and in- '
10-6 HIGH PRESSURE SEAL stall into bottom of stuffing box with hand pres-(See figure 10-1) sure only. If insert includes a holding pin, be sure 10-7 High pressure seals are usually shipped as- pin is aligned with the slot or hole in bottom of sembled. ready for installation- stuffing box.
A. Check concentricity between bore of stuffing E. Carefully place gland ring and outer (or upper) stationary insert over the shaft.
boxR.and shaft-should not exceed 0.010 (0.25 mm)
CAUTION B. Check that face of stuffing box is square with DO NOT SUMP CARBON MEMBERS shaft, to within 0.010 (0.25 mm) T.I.R. Face must AGAINST THE SHAFT AS THEY MAY be smooth to form a good sealing surface for a CHIP, CRACK OR BREAK.
gasket or 0-ring.
F. Lubricate shaft or sleeve before installing any C. Apply a thin film of oil (SAE#10 or 20) and slip of the rotary unit parts.
complete seal assembly on shaft.
D. Secure gland plate to discharge head with cap-G. Install seal collar or collars on the shaft or sleeve and locate collar or coll screws provided. Tighten capscrews gradually and established , reference mark,ars in the relation to umformly. and to setting di-mension given on the seal assembly drawing. Lock CAUTION the collar to shaft or sleeve by tightening setscrews.
DO NOT OVERTIGHTEN CAPSCREWS ON GLAND, THIS CAN DISTONT SEAL H. Install the remaining rotary unit parts on the SEAT AND CAUSE SEAL FAILURE. shaft or sleeve in the proper sequence and com-DO NOT REMOVE SEAL SPACER OR plete the assembly of equipment.
ECCENTRIC WASHER, ADJUST SEAL J. Shaft packing (if provided, depending on seal OR TIGHTEN SETSCREWS UNTIL AF. type) shall be installed on the shaft or sleeve inde-TER IMPELLERS ARE ADJUSTED.
vidually and with care to avoid nicks or damage E. Install all seal piping as required. that would cause seal to leak.
F. Mechanical seals on pumps with over 1200 PSI K. Seat the gland ring and gland gasket to face of (85 kg'cm2) gage discharge or as specified by seal stuffing box by tightening the nuts or bolts evenly manufacturer are normally fitted with " backup and firmly. Be sure the gland ring is not cocked rings." These rings are installed following seal in- and tighten nuts or bolts just enough to seal at the sttilation, between the drive collar of the seal and gland ring gasket.
bottom of flanged pump coupling (see figure 10-2). Install backup ring as follows:
1.
DO NOT OVERTIGHTEN NUTS OR Screw the bottom backup ring into the top BOLTS ON GLAND, CAN DISTORT backup ring untilit bottoms out. SEAL SEAT AND CAUSE SEAL FAILURE.
- 2. Slide backup ring assembly over the shaft and position it on the seal. Adjustment of the backup L. Prior to making final connections of sealing lig-nng assembly shall be completed after the spacer uid pressurizing lines, make sure the stuffing box coupling and driver are installed. and all sealing liquid lines are flushed free of dirt, scale and other particles that would be abrasive to 10-8 DOUBLE SEALS. '"'***""9
, (Sco figure 10 2)
A. Check surfaces at the face of stuffing box and 10-9 TANDEM SEALS.
(See figure 10-2.)
18
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$ s d I j -%-
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- SUCTION 4 ; q
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INSIDE MOUNTED SEAL M 4 j i h[
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d Q dr-l- V V///b b' Wb l BY PASS TO SUCTION 1 $ $
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j 3f HIGH PRESSURE SEAL v s
- , OUTSIDE MOUNTED SEAL Figure 10-1. INSIDE OUTSIDE MOUNTED AND HIGH PRESSURE SEALS 19
~
l a- -
l CONNECTION -E e 3 I TO EXTERNAL ' '
r e!
SEAL LUBRICATION / I i
- ' NAL BYPASS TO SUCTION - l , SEAL LUBRICATION
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KNWN Yb \ 0) I !) \
V///A 7 -
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w o TANDEM MOUNTED SEAL M
1 e
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L BYPASS
- a TO t
CONNECTIONS TO l k,- SUCTION
"!&"nis!^'
u --
. <: Li
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& 'o DOUBLE MOUNTED SEAL Figure 10-2. DOUBLE AND TANDEM SEALS ao
, SECT 13N 11-INSTALLING THE DRIVER (VSS) 11-1 INSTALLATICN CF SOLID SHAFT pl:ta. If driver does n:t rotito countzrclockwis2,
. DRIVER change motor rotation by interchanging any two
' leads, for three phases only. For single phase, see WHEN PUMP IS ROVIDED WITH A H. MOTOR SHAFT END PLAY ADJUSTMENT-THRUST POT, DO NOT SECURE Motor shaft end play if required shall be checked DRIVER TO DISCHARGE HEAD UNTIL with a dial Indicator prior to connecting pump AFTER THRUST POT AND FLEXIBLE COUPLING ARE INSTALLED. See Sec. coupling to solid shaft motor. Consult the appli-tion 13. cable motor manufacturer's instruction manual for detall information on motor shaft end play.
WARNING J. COUPLING INSTALLATION. (See fig-DO NOT WORK UNDER A HEAVY SUS.
PENDED OBJECT UNLESS THERE IS A ure 11-1 or 11-2)
POSITIVE SUPPORT UNDER IT, WHICH 1. Apply a thin film of oil on headshaft key (730C)
WILL PROTECT PERSONNEL SHOULD .
and insert key into headshaft keyseat.
A HOIST OR SLING FAIL
- 2. Gently low pump hub (614) over headshaft.
11 2 The coupling between the driveshaft and 3. Thread adjusting plate (613) flush with top of head shaft may be a nonspacer (see figure 11-1) or headshaft.
a spacer type (see figure 11-2). The latter is used 4. Apply a thin film of oil to key (730B) and insert on pumps furnished with a mechanical seal to per- it into the driver shaft keyseat. Place the driver hub mit servicing the seal without lifting the dnver. (610) over the driveshaft and key sliding it up the shaft until annular groove is exposed, install split 11 3 DRIVER SUPPORT. When a driver support ring (722) in the groove and slide driver hub down is furnished, and is not installed, proceed as over the split ring to capture it.
follows: 5. Install spacer (612) and secure to drivar hub A. Hoist driver support, inspect the mounting sur- (610) with capscrews (7598) and nuts (735C).
faces, register, and clean these surfaces thoroughly. 11 4 IMPELLER ADJUSTMENT. Impeller adjust-B. Install driver support on discharge head and ment is identical for motors and right angle gear secure with capscrews provided. drives. Adjustment is accomplished by turning adjusting plate (613). (See figure 11-1 or 112)
C. Attach a sling to the lifting lugs of driver. Hoist motor, inspect the mounting surface, register, and NOTE shaft extension, and clean these surfaces thor- 1. MECHANICAL SEAL, WHEN PRO-l oughly. If any burrs are found, remove burrs with a VIDED, MUST NOT BE SECURED TO l smooth mill file, cleaning thoroughly afterward. THE SHAFT PRIOR TO IMPELLER D. Orient the motor conduit box in the required ADJUSTMENT (OPEN OR EN-position and align the mounting holes with the Ct.OSED WERERS). SHAR WST mating tapped holes in the discharge head. Lower SEAL A E LY the motor until the registers engage and motor 2. FOR PUMPS HANDLING LIQUIDS rests on the discharge head. Secure motor with BETWEEN -50 TO 200' F (-45 to 90' capscrews provided. C), IMPELLER ADJUSTMENT CAN
! E. On drivers having a non-reverse ratchet or pins, BE MADE UNDER AMBIENT CONDI-l manually turn the driver shaft clockwise viewed TIONS. FOR LIQUID TEMPERA.
from above until the non-reverse ratchet or pins TURES IN EXCESS OF THIS RANGE, fully engage. IT IS RECOMMENDED THAT IM-
. PELLER ADJUSTMENT BE MADE F. Lubn.cate motor bearings in accordance with AFTER THE PUMP SURFACE TEM-instructions given on the lubrication plate at-PERATURE HAS REACHED AN tached to the motor case. EQUILIBRIUM WHEN CHARGED WARNING WITH THE PUMPAGE. IN THOSE CASES, WHERE THIS IS NOT FEASI-THE MOTOR MUST NOT BE TESTED BLE DUE TO SAFETY CONSIDERA-FOR DIRECTION OF ROTATION WHEN TIONS, REFER TO FACTORY FOR COUPLED TO THE PUMP. IF PUMP SPECIFIC INSTRUCTIONS' SHOULD ROTATE IN THE WRONG Dl- 3. WHEN A THRUST POT IS USED, IM-RECTION, SERIOUS DAMAGE TO THE PUMP AND DRIVER AND SERIOUS IN- PELLER ADJUSTMENT 1,S ACCOM-PLISHED WITH THE POT S ADJUST-Jtfr1Y TO NEARBY PERSONNEL ING NUT AND A DIAL INDICATOR.
COULD RESULT.
l 5 G. M ake temporary electrical connections accord- A. OPEN IMPELLERS ing to tagged leads or diagram attached to the 1. With the impellers at the bottom, turn adjusting motor. Motor must rotate counterclockwise when plate (613), figure 113. towards driver hub (610) or viewed from above. See arrow on pump name spacer (612). Obtain 0.015 inch (0.38 mm) clear-l 21
anco b2twnn adjusting pIrta and driv;r hub cr sp ctr for tha first 10 fut (3 m) of column. Add 1. Fcr sncics:d imp 211;rs obt in .19" (4.8 mm) clearance between adjusting plate and driver hub 0.010 (0.25 mm) for each additional 10 feet (3 m) of or spacer. '
column. EXAMPLE: Total pump length 50 feet (15.24 METERS)-set impellers at 0.055 inch (1.4 2. After impeller adjustment, align adjusting plate mm). (613) with pump hub (614) and spacer (612), insert ',
- 2. After impeller adjustment. align adjusting plate capscrews (7590) or (759C) and tightly draw cou-(613) with pump hub (614), and tightly draw cou- pling flanges together (see figure 11-3).
pling flanges together. This raises impellers 3. To set seal, follow step 3. open impellers.
amount of clearance between flanges. (See figure 11'3)- 11-5 INSTALLATION OF SOLID SHAFT
- 3. Set seal after impeller adjustment. Securely RIGHT ANGLE GEAR DRIVE.
tighten all setscrews in the collar. Remove the WARNING spicer between the gland plate and collar. Retain spicer for future resetting of seal. DO NOT WORK UNDER A HEAVY SUS.
PENDED OBJECT UNLESS THERE IS A NOTE POSITIVE SUPPORT UNDER IT, WHICH WHEN IMPELLERS ARE RESET, THE WILL PROTECT PERSONNEL SHOULD SEAL MUST ALSO BE RESET. A HOIST OR SLING FAIL B. ENCLOSED IMPELLERS ....
.. eif (7seei cAPScREw f
1 (7308) ORIVER MEY Q
/
/ l l 0 (7590) CAPSCREW l T N { -
lill 1 B ! )
[ f (7308) ORIVER MEY (610) DRIVER HUS
( f,
, y h
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s ,N. g e. .
- l. -
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\e 'l / 1 (735C) HEX NUT (722) SPLIT RING f '
(613) ACUUSTING '
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h, 1
- 1 fy ;
1614) PUMP MUB k O
-h/ [, M y (613) AOJUSTING g
g gg , ,9; PLATE (e ,' b(([ ,h D
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, [ c5 ~ s (614) PUMP HUS M h' .
(730c) PUM P M EY V f ds y e.
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. \.. s r (759c) CAPSCREW v[ -'s r -
g FR e
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Figura 111. FLANGED ADJUSTABLE COUPLING Figure 112. FLANGED ADJUSTABLE COUPLING WITH SPACER 22
- 11 6 Th3 ccupling sh wn between th2 driveshaft C. Attich a sling to eyebolts cf g2arhiad. H:ist and h cdshift mry b3 a n:nspacCr (see figura gerrhiad, inspect th3 mounting surf:ca, registsr, 11-1) or a spacer type (see figure 11-2). Th3 littIr cnd shift cxtensign, and cisan th s3 surfaces
, is used on pumps furnished with a mechanical thoroughly. If any burrs are found, remove burrs seal to permit servicing the seal without lifting the with a smooth mill file cleaning thoroughly gear. afterward.
D. Orient the gearhead with the input shaft in the 11 7 DRIVER SUPPORT. When a driver support required position and align the mounting holes is furnished, and is not installed, proceed as with the mating tapped holes in the discharge follows: head. Lower the gearhead until the registers en-A. Hoist driver support, inspect mounting sur- gage, and gearhead is set firmly on the discharge faces, register, and clean these surfaces head and secure gearhead with capscrews thoroughly, provided.
B. Install driver support on discharge head and E. On gearheads having non reverse ratchet or secure with capscrews provided. pins, manually turn the gearhead shaft clockwise (730B) KEY (610) DRIVER HUB (722) SPLIT RING v A
- I I (7598) CAPSCREWS x %
(735C) NUTS h h / (612) SPACER I 1 NN 1 W ;K t h (612) SPACER y)
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)
i l i I ' '
' > M (613) ADJUSTING PLATE
/ -
fl o
l
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/hU 4
(759C) CAPSCREWS l l
(614) PUMP HUB 7 l f d MEASURE IMPELLER -
ADJUSTMENT HERE i BEFORE TIGHTENING (730C) KEY -
COUPLING CAPSCREWS l t Figure 113. IMPELLER ADJUSTMENT 23
I viswsd from abova until the non-reverse ratchet, allow mounting threaded sleeves on shaft end, if or pins, fully engage. ,
necessary for ease of assembly, temporarily se-NOTE cure hub in this position by means of tape, rope.
CHECK ROTATION OF THE POWER r ther convenient means.
UNIT AND PUMP IN RELATION TO Screw threaded sleeves onto the driver shaft until .
THAT OF THE DRIVE AS SHOWN BY the sleeve extends beyond the shaft end between ARROWS ON THE CASE. ROTATE THE DRIVE MANUALLY BEFORE APPLYING .06 and .09* (1.5 and 2.4 mm). This insures that the driver and pump shaft ends will not contact each POWER. DO NOT OPERATE IN THE RE-VERSE DIRECTION OF THESE other when the coupling is completely assemblini '
ARROWS. insert pump shaft key in pump shaft keyway and F. Some gearheads are equipped with an oil cool- slide pump shaft hub onto pump shaft. Position hub so threaded shaft end is exposed.
ing system which is supplied with cooling fluid from the pump or from an external source. Make Screw threaded sleeve onto pump shaft until cooling connections with tubing or rubber hose If sleeve extends beyond shaft end between .06 and pump fluid is to be used, connect a length of tub- ,09-(1.5 and 2.4 mm).
ing and a flow-regulating valve between the inlet ,
Slide pump shaft hub toward threaded sleeve until on the gearhead and a pipe tap hole in the dis- threaded sleeve is fully seated in its register in the charge gearhead. This may be used to conduct the hut >-hold hub in this position.
fluid back to the sump or to any convenient drain. Insert Alignment Ring into its register in the pump CAUTION DO NOT USE RIGID PlPE FOR THIS While holding pump shaft hub in position, slide PURPOSE. RIGID PIPE IS SUSCEPTI- the driver shalt hub towards pump shaft hub until BLE TO LEAKING AT THE JOINTS, DUE the driver shaft threaded sleeve is fully seated in TO VIBRATION. its register' insert all coupling hub capscrews and nuts and G. Fill the gearhead oil reservoir with a high grade tighten fingertight only.
of turbine oil. If oil is not furnished with the gear-hsad select a suitable grade from the list in Sec- Measure the gap between the coupling hub faces.
tion 18. Consult the manufacturer's instructions In a properly assembled coupling, this gap will be for the frequency of oil change and other data on between 0.014 and 0.026 inch (0.35 and 0.66 mm) maintenance. and assures proper clamping of the threaded sleeves. If the gap is not correct, disassemble the H. GEARHEAD S11 AFT END PLAY ADJUST- coupling and check that all parts are clean and MENT-Gearhead shaft end play if required shall b3 checked with a dial Indicator prior to connect- free of foreign matter, then reassemble the cou-pling per instructions above.
Ing pump coupilng to solid shaft motor. Consult tha applicable gear manufacturer's instruction Tighten all coupling hub capscrews.
manual for detailed information on gearhead Assemble the flexible shaft flanges on gearhead sh:,ft end play. drive and engine. The prime mover must be J. COUPLING INSTALLATION, Follow instruc- mounted on a firm foundation in alignment with tiens given in paragraph 113, step J.1 through 5. the gearhead. The driving and driven shafts shall be within plus or minus one degree parallel. Offset CAUTION angle shall be one to five degrees for maximum DO NOT USE AUTOMOTIVE OILS. coupling lift. Keep the lugs on flange yokes in the WARNING same position E.s shipped from the factory. If slip joint is moved, be sure ings are realigned or se-MOVING PARTS OF THE PRIME vere unbalance may result. Consult the applicable MOVER, COUPLING DEVICE, AND GEARHOAD MUST BE COVERED WITH manufacturer's instruction manual for detailed in-A SUITA8LE RIGID GUARD IN COMP'.1- formation for the prime mover and coupling or driveshaft.
ANCE WITH LOCAL REGULATIONS TO PREVENT INJURY TO PERSONNEL When steam turbine or electric motor drives are used the instructions are essentially the came ex-K. Type AR Rigid Flanged Coupling Assembly cept that a Fast coupling or equivalent is generally Procedure.
' used instead of the double universal type of drive Disissemble Coupling. Se certain that all compo- shaft used with engine drives and no " offset" be-
{
nsnts are clean and that no foreign matter is tween drive and driven shafts is permitted.
lodged in any machined recesses or registers. In.
ssrt driver shaft key in driver shaft keyway and 11-8 IMPELLER ADJUSTMENT-OPEN OR EN-CLOSED. (See figures 11 1 or 11-2). Adjustment is slide driver shaft hub onto driver shaft. Position ac:omplished by turning adjusting plate (613).
hub such that threaded shaft end is exposed to
- 1. Follow steps A and B, paragraph 11-4.
t l
l r 24 l _ _ _ __ _ ,_ __ .-,
A@ DRtVER SHAFT n
- DRIVER SHAFT KEY DRIVER SHAFT HUB SHAFT END GAP ALIGNMENT RING OF %" TO N" 7 (3.2 to 4.8 mm)
(AFTER ASSEMBLY)
COUPLING FACE GAP - , p OF 0.014" TO 0.026" '
(0.35 to 0.66 mm) y .
V y l (AFTER ASSEMBLY) % ,L h g '
h lit -
- M L. J PUMP SHAFT KEY THREADED SLEEVES (2) PUMP SHAFT HUB PUMP SHAFT v
@v Figure 114. RIGID FLANGE COUPLING SECTION 11-A-INSTALLING THE DRIVER (VHS)
This refers to either VHS Electric Motors or thrust of the impellers and shaft but provides the Hollow Shaft Gears. A small paragraph will be de- adjustment for impeller clearances.
voted to combination electric motor and Right An-gle drives. 11 A-4 After lowering and orienting motor and/or WARNING gear drive as explained above, remove the drive c upling as shown m Fig.11 A-2.
DO NOT WORK UNDER A HEAVY SUS-PENDED OBJECT. "WHEN YOU ARE 1. Screw adjustment nut (604) loosely onto end of UNDER THE LOAD YOU ARE ON THE drive-shaft (606), clean thoroughly and attach a SPOT," AS OFT-TIMES APPEARS ON light line below the nut and lower thrcugh the mo-WARNING SIGNS. tor quill shaft. Examine closely for dirt or burrs e ween s an eds.
I 11 A-1 Almost invariably the head shaft projecting through the quill or hollow-shaft of the driver will 11 A-5 Make up the head shaft coupling as previ-be separate from the pump shaft and connected to ously described, regardless of type used, using same by either a threaded line shaft coupling, suitable thread compounds as variously described keyed linc :.he. coupling or rigid flanged coupling in other parts of this manual.
as described in SECTION 11 paragraph 11-7 J and 11 A-6 Remove lifting line and see if head shaft requires no further discussion.
centers the motor quill shaft witoin .06-(1.5 mm).
11 A-2 in raising and installing the driver onto the If it does not, misalignment is indicated.
discharge head, proceed exactly as in SECTION 11 A-7 Any head shaft misalignment with driver 11, PARAGRAPH 11-3, items A, B, C and D.
quill shaft could be causeo by a bent head sha,
11 A-3 The driving mechanism of all hollow-shaft burrs or foreign matter between shaft ends or any drives is shown on Fig.11 A-2 which is self explan- of the mounting flanges-motor to mount, mount atory. The drive shaft, you will nn'e, extends up to discharge head, discharge head to mounting through the quill or hollow-shaft of the motor (or plate or the plate itself could be out of level. If the gear) drive and is held in place by an adjusting not latter, shimming between it and discharge head which not only carries all the static and hydraulic base will correct it.
2s
11A 8 With motor in place and hrad shaft pro- B. Instill adjusting nut to h:.nd tight.
jscting through tha motor quill shaft, conn:ct up el:ctncally and check motor rotation. This should ba counterclockwise when looking down from the 11 A-11 GEAR DRIVES BY ENGINES -
top. If opposite instructions have been given else. A. The procedure for installing a hollow-shaft gear g where about how to reverse two leads and correct is exactly the same as for the motor.
this.
B. Checking pump rotation is a very simple mat- j CAUTION ter. Check the arrows of rotation on the engine NEVER CHECK MOTOR ROTATION ay new m a wa w WITH THE DRIVE COUPLING IN Take a bar and jack over the flexible drive shaft mut me clutg PLACE. THE BORE CLEARANCE BE- direction of engine rotation, and note if it turns TWEEN THE DRIVE COUPLING AND pump shaft in proper direction. Note: Engines al-PUMP SHAFT O.D. IS SO CLOSE THAT most i,1vanably turn clockwise when looking to-SHOULD THE MOTOR SPIN WITH THIS ward the gear drive.
SHAFT STATIONARY, GALLING AND i
LOCKING TOGETHER IS VERY LIKELY TO TAKE PLAOE. 11 A 12 COMSINATION ENGINE AND l MOTOR DRIVES '
11 A-9 Install motor drive coupling inserting the A. On these drives the motor is invariably on top ratchet pins if a non reverse ratchet is used. Match with a projecting head shait extension.
coupling lugs with corresponding holes in motor. G. Follow all procedures outlined in SECTION Pull down holding bolts evenly making sure drive 11-A except that motor must be lowered over this coupling is properly seated in register fit, extended head shaft and great care taken to cen-11 A 10 Fit gib head key (730A) to keyway by filing ter it e::actly so as not to bump or misalign shaft while being lowered into place.
if necessary to where this is a snug but sliding fit.
This key must be able to be removed by gentle C. There are several methods of running engines lcvsrage with a screwdnver under it- without electric motors and vice versa, requiring simple adjustments to the combination drive, but A. Be careful that the gib head is not too high so they are too numerous to mention here and can be as to hold up the adjusting nut (604) from seating ebtained from gear manufacturer's instructions in-on the dnve coupling. If it is, cut off some of it. ciuded with the shipment.
(604) ADJUSTING NUT (606) DRIVE SHAFT
, _, (757J) CAPSCREW, j$ .
ADJUSTING NUT
_a i r2E (730A) GIB-KEY % @i 4 $E HOLD DOWN BOLT 7
b k?
J l '
ORIVE COUPLING ' -J
_J u
L -
7 J q
Figure 11 A2. HOLLOW SHAFT ADJUSTING NUT 26
11 A-13 IMPELLER ADJUSTMENT FOR TACLE 11 A-15 ALL H3LLGW-SHAFT DRIVES IMPELLER VERTICAL MOVEMENT SHAM SIZE THREAD NOTE: Shaft adjustment up or down is accom- EN T plished by turning the adjusting nut (604), Fig. TURN 11 A-2. g. (t o m.n) %-16 LH .003 (.76 mm)
A. OPEN IMPELLERS 1"(25 mm) 1-12 LH .004 (.10 mm)
- 1. Although mechanical seats are scarcely ever j 30 **) 1 provided with hollow-shaft drives they must be
,,) [5 .
3,3,-(42 mm) 1-10 LH .005 (.12 mm) disengaged prior to impeller adjustment when 3,Hv (4e mm) 1 10 LH .005 (.12 mm) they are. 2h."(55 mm) 1 10 LH .005 (.12 mm)
- 2. With F5afting all the way down and the impel- 2hi(62 mm) 1-10 LH .005 (.12 mm) lors resting on their seats, turn adjusting nut (604) 2%-(68 mm) 1-8 LH .006 (.15 mm) in a counterclockwise direction, thus lifting the shaft until the impellers just clear their seats and the shaft turns free by hand. This removes all de-flection from the shaft.
- 3. Note: There are five holes in adjusting nut and ADJUSTING NUT only four in motor clutch.
Align hole "A" in adjusting nut and hole "C" in LOWER IMPELLER motor coupling (see Fig.11 A-14) or whatever simi- g lar holes are in like juxtaposition. If care is exer- RAISE IMPELLER cised this will give an initial impeller clearance of #
from .001" to .003" (0.02 to 0.07 mm) depending on shaft size and thread data shown in Table 11 A-15. i F
- 4. Insert capscrew into hole "B," provided these are the nearest matching holes for counterclock. A ,4, wise rotation of adjusting nut, and turn counter-clockwise until B and D line up. This gives Mo of one turn, the minimum possible adjustment.
[
, l t
)
He of a turn = .004" (0.1 mm) on a shaft with 12 threads per inch, .005" (0.12 mm) on one with 10 g threads per inch, etc. as shown on Table 11 A-15. E
- 5. Normal impeller clearance for open impellers is considered to be .015"(0.38 rnm) for the first 10' (3 m) of column length and .010" (0.25 mm) addi. MOTOR COUPLING tional clearance for each 10' (3 m) of length there-after. This can be reduced in some instances ROTATOR where necessary but should not be attempted g without consulting the factory or nearest district office, or unless some factory man is present. The impellers should never be permitted to run on *
, their seats when running as this will gradually C H l grind them off and reduce pump capacity. .%
B. CLOSED IMPELLERS: ,
- 1. The same procedure is fo!! owed as described under Paragraph A. The adjustment is not nearly
,[ . _ -
___. 4 as critical as for open impellers and a clearance of
.12" (3.2 mm) in smaller sizes of bowls up to 8" /
[
(20.32 cm) to b" (4.8 mm) in those larger is con- -
sidered adequate. '
G Figure 11 A 14. IMPELLER ADJUSTMENT 27
SECTION 12-PUMP STARTUP AND OPERATION 12-1 PRE-START PROCEDURE: Consult the ap- F. On units with closed line shaft construction, oil plicable manufacturer's instructions for detailed lubricated, set the sight feed dripper for the num-information for the prime mover (engine or steam ber of drops per minute as directed in TABLE 12-4 g
turbine) coupling, drive-shaf t, electric driver, gear- REGULATOR SETTING '
hrad or mechanical seal. When applicable to the pump and prior to ctartup, check the following:
A. Make sure mechanical seal is properly tubri- TABLE 12-4 REGULATOR SETTING cated and all piping to seal connected. Also, check DROPS PER MINUTE that all cooling. heating and flushing lines are op- PER 100 FEET (30 m) OF srating and regulated. SETTING SHAFT SIZE B. Check alignment between pump and driver. 8 % to 1" C. Wiring of driver.
16 (19 mm to 25 mm)
D. Driver must rotate counterclockwise when 1hs to 1'Ma*
vizwed from above. (30 mm to 49 mm) 20 2N" and larger E. All connections to driver and starting device (55 mm to larger) with wiring diagram.
F. Voltage, phase, and frequency on motor name-plate with line circuit.
12 E STUFFING BOX G. Impeller adjustment.
12-6 With the pump in operation, there should be H. Rotate shaft manually to ensure impellers are not binding. some leakage at the stuffing box packing. The cor-rect leakage is a rate which keeps the shaft and I. Driver bearings are properly lubricated and stuffing box cool (approximately one drop per sec-check oil levelin housing.
ond). Check the te.nperature c.J the leakage as well J. Auxiliary seal components are properly vented. as the discharge head. If the pump runs hot and K. Discharge piping and pressure gages for leakage begins to choke off, stop the pump and proper operation. allow it to cool down. A few light taps with a ham-mer on the gland will upset the packing suffi-12-2 PRIMING ciently t resume leakage. After pump has cooled, restart pump and follow the preceding procedure.
12 3 The first stage must always be completely Run pump 15 minutes, check leakage, if it exceeds submerged. Pump must not run dry as the rotating two drops per second, adjust packing as de-parts within the pump may gall and seize to the scribed in Section 14, paragraph 14-4.
stationary parts. The parts must be lubricated by the liquid being pumped.
12-7 MECHANICAL SEAL 12-4 PUMP STARTUP 12-8 If seal leaks slightly at startup, allow a rea-A. Partially close valve in discharge line. Sonable amount of time for seal to adjust itself.
B. Crack open suction side valves on pressurized Liquids with good lubricating qualities normally systems slowly. Open suction valves fully. take longer to wear in the seal than liquid with lesser qualities. When a seal starts out with a C. Vent system when the pump surface tempera- slight leak and gets progressively less with run-ture has reached an equilibrium.
ning, it is indicative of leakage across the seal D. Start pump. faces and that continued running will eliminate E. When pump is operating at full speed, slowly this. Where leakage occurs immediately and re-op:;n discharge valve. If driver overheats or there ains constant, unaWM h reg, H usuaHy is sxcessive vibration, stop the pump. .Indicates secondary seal (shaft packing) damage, or seal faces are warped out of flat. Refer to Sec-NOTE tion 16 for probable cause.
IF THE IMPELLERS HAVE NOT BEEN FINALLY ADJUSTED, DUE TO EX-TREME LIQUID TEMPERATURE THEY SHOULD BE ADJUSTED PRIOR TO START-UP AND AFTER PUMP SUR-FACE TEMPERATURES HAVE REACHED AN EQUILIBRIUM.
28
SECTCN 13-THRUST POT
. 13-1 THRUST POT INSTALLATION screws (760P) and lock washers (789B).
H. Turn adjusting nut (6048) until coupling halves 13-2 If the pump unit is equipped with a thrust (610) and (614) are about %"(3 mm) apart.
pot (see par. 3-12), a flexible coupling is required I. Assemble coupling as referred to above.
between the driver and the thrust-carrying pot t J. Adjust impellers as described in paragraph 13-3 eliminate possible m,salignment which may re-i and make sure the entire rotating assembly can be duce the infe of the angular contact bearings. For turned freely by hand.
reliability reasons and to simplify maintenance, the bearings are oil lubricated. Normally, the bearing K. THRUST POT LUBRICATION. Thrust pots do housing contains three heavy duty angular con. not contain lubrication oi! when they are shipped because if the unit is tilted too much, oil will run tact bearings of the MRC type 7000-P-DU series or ,
equal. They are precision ground for mounting in out through the labyrinth type weather seal in the series. It is possible that some housings may con. cover (770), or it will run over the oil tube (651) tain two or four bearings depending on the pump which keeps the oil in the reservoir. In the latter thrust load.
case oil will run down the shaft. Prior to running the unit, it must be filled with oil through the oil fill The manner in which the bearings are stacked in opening in the cover (770) after removing the oil the thrust pot housing is shown in Figure 13-6. If
.Ip g ). emstall the plug after the desired the pump will be operating with continuous down- oil level has been obtained. It should be noted that thrust, the bottom bearing is to be mounted.in re-verse to carry possible momentary upthrust. How- !t is more convenient to fill the unit with oil before it is installed. If the unit will not be in operation ever,if the pump will be operating with continuous within four weeks after arrival at the place of desti-upthrust, note that the top bearing is to be nation, it is recommended that the unit be filled mounted in reverse to carry momentary down- with oil until the oil runs over the oil retainer tube thrust. When replacing bearings, be sure that they (651) and down the shaft (647). This will keep the are installed for the proper thrust conditions. ball bearings submerged in the oil and weather-Pumps furnished with a mechan.ical seal are pro- protect them against corrosion attack.
vided with a spacer coupling (located between the mechanical seal and thrust pot) to facilitate seal After installation and prior to start-up, the excess maintenance. Otherwise a rigid flanged (non. oil must be drained to the required operational spacer) coupling will be furnished. Refer to para. level which shall be no more than %" to %" from graph 11-3, step J,1 through 5 for spacer coupling the top of the oil sight gauge (771). The oil can be installation prior to installing the thrust pot. Refer drained by removing the oil drain plug (747S) lo-to Section 10 for mechanical seal installation. If a cated at the bottom of the unit. Caution: Overfill-f thrust pot is shipped assembled, but not installed ing may result in overheating the unit. During op-
- on the pump, the thrust pot shall be installed as eration the oil level may be higher. At any time follows
- pauge. If the level starts dropping, add oil to the A. Disengage but do not remove capscrews level indicated previously. The approximate (7570). This will allow the shaft stub (647) to freely amount of oil needed to fill the thrust pot to its l
move upwards (but not downwards). See Figure required level (when empty) is indicated in table 13-2.
13-6.
Goulds recommends that only TURBINE TYPE B. Install coupling half (614) on pump shaft. OILS with a viscosity of 145 to 175 SSU (Saybolt C. Install coupling half (610) on thrust pot shaft. Seconds Universal) be used. These high quality l D. If a spacer coupling is furnished, install spacer mineral oils are refined to remove unstable ele-(612) on pump shaf t coupling half (614). ments. They contain additives, including anti-oxi-E. If the opening in the motor mounting flange (of dants, anti foam agents for rapid separation of the driver support) is large enough to pass the possible condensation, and corrosion inhibitors thrust pot, carefully lower the thrust pot through which adhere to the bearing surfaces and protect
- this opening and into the rabbet fit of the thrust against rust. Use of these turbine type oils will l pot mounting plate. If the opening is not large help to prevent splashing, rusting. excessive foam-enough, remove the driver support first. To facili- ing, darkening and will assure excellent service in j tate hoisting the thrust pot in place, remove two of a wide range of operating temperatures.
l the capscrews (760P) in cover (770)-located 180 CAUTION: Goulds does not recommend the use of degrees apart-and replace them with two %"-13 detergent type oils (such as automotive oils) for l N.C. x 2 long eye bolts. lubrication of the thrust pots. Instead of allowing l F. Position the thrust pot such that, when lined up impurities to settle in the bottom of the oil reser-with the mounting holes, the oil level gauge (771) voir sump, it would cause them to be suspended j is located in front of either access hole in the and to flow freely through the circulating oil sys-driver support which should be 90 degrees off the tem where they could cause wear to the bearings.
discharge pipe. Bolt in place the thrust pot with Use only oxidation-corrosion inhibited turoine oils cap screws (7600) and lock washers (7898). of the viscosity recommended above.
G. Replace the eye bolts with the original cap L. THRUST POT COOLING. The circulating oil in 29
' th3 thrust pot is cooltd through prssing by a Cool.
ing coil (678) through which the cooling liquid is Th3 fallowing gingrti instructions mcy b3 applied for most common coupling installations, flowing. Cooling liquid may be obtained from any 1. Install driver, refer to Section 11. ~
external source or from the pump itself. In the lat-
- 2. Install driver key and half coupling on driver tzr case, the pressurized liquid is tapped from the discharge head and run through W tubing to one shaft. Install pump key and half coupling on pump '
of the cooling coil extensions protruding out of shaft. Secure half coupling to prevent them from
- the bottom of the thrust pot. A properly sized ori- slipping on the shafts.
fice is furnished in the inlet line (at the tap con- 3. Check alignment by placing a straight edge ver-nection) to provide approximately 2 GPM flow of tically across coupling hubs at four points 90*
cooling liquid through the coil. The orifice open- a art. Shift motor as required. When the straight ing is determ,ned i from chart 13-7. Cooling liquid edge rests evenly on all four points, coupling is shou!d not be tapped from the pumpage if it con-aligned. Check spacing between hubs at 90* inter-tains dirt as it may clog the orifice and prevent the vals around the hubs-coolant from flowing through the coil, which may 4. Secure motor with capscrews provided.
rssult in overheating of the oilin the thrust pot. Be 5. Connect coupling with setscrews or capscrews sure the coil, tubing and fitting materials are com-patible with the cooling fluid being used, furr.Ched, for the particular make of coupling used. Recheck for misalignment.
M. BEARING REPLACEMENT. If bearing replace-ment becomes necessary, follow the steps out-lined below.
- 1. Disconnect flexible coupling.
13-3 IMPELLER ADJUSTMENT
- 2. Disconnect and remove the driver. 13-4 When a thrust pot is provided, adjustment is
- 3. Remove the flexible coupling. accomplished by turning adjusting nut (604B).
(See figure 13-6.)
- 4. Remove capscrews (7570) from adjusting nut (6048). A. OPEN IMPELLERS
- 5. Turn adjusting nut (6048) until impellers are 1. Remove capscrew (7570) and with impellers resting on bowls and remove adjusting nut. touching bowl faces, turn adjusting nut (6048)
- 6. Remove capscrews (760P) and lock washers counterclockwise until face of adjusting nut (7898). makes contact with spindle (605).
- 7. Remove cover (770). 2. Align hole "A" in adjusting nut and hole "C" in
- 8. Install two eye bolts (180 degrees apart) in spin. spindle. (See figure 11A-14.)
dl3 (605) where normally capscrews (7570) are 3. For pumps up to 10 feet (3 m) of column, turn located, adjusting nut to obtain clearance of 0.015 inch
- 9. Carefully pull out straight the entire bearing as. (0.38 mm). Add 0.010 inch (0.25 mm) for each ad-l stmbly over the shaft and threading. ditional 10 feet (3 m) of column. If pump perfor-
- 10. It cooling coil needs replacement, disconnect mance is not satisfactory with the specified clear-cooling inlet and outlet lines at union elbows ance, lower impellers as required, but do not allow (6788) and remove sealing connectors (678A). The impellers to drag.
coil can now be lifted out from the top of the bear- 4. After adjustment is complete, insert capscrew ing housing (794A).
(7570) in corresponding hole in adjusting nut,
- 11. Remove bearing lock nut (604C) and lock thread into spindle (605) and tighten securely. Set washer (789D). seal after impeller adjustment.
- 12. Remove bearings (7918) from spindle (605).
- 13. Before installing new bearing 8. ENCLOSED IMPELLERS ing and lubricating procedures m, paragraph s, refer to 14 clean-
- 5. 1. For enclosed impellers, use h inch (4.8 mm)
NOTES- ' clearance.
A. Be sure the new bearings are installed for the 2. After adjustment is complete, insert capscrew proper thrust direction. See figure 13-6. (757Q) in corresponding hole in adjusting nut, B. To reassemble the thrust pot unit reverse threaj into spindle (605) and tighten securely. Set above steps. seM amer impeHer adjustment.
C. It is not important which cooling water connec-tion at the bottom of the thrust pot is used for inlet TABLE 13 2 THRUST POT LUBRICATION or outlet.
N. FLEXIBLE COUPLING. Flexible couplings may Model 7314PD 3 Ots., 5 Oz. 3 Liters i
b3 furnished in a variety of types and sizes de- Model 7318PD 5 Ots.,20 Oz. 5.3 Liters p:nding on design requirements instructions for Model 7324PD 13 Ots.,24 Oz. 13 Liters installing flexible couplings are provided by the Model 7330PD 22 Ots. 20 Oz. 21.5 Liters coupling manufacturer. Alignment of the coupling is extremely important for trouble-free operation. NOTE: Use TURBINE TYPE OILS with a viscosity of 145 to 175 SSU only.
30
F F l l --DRIVER
-DRIVER h -
I I
--y, pFLEX COUPLING - 1pFLEX COUPLING
, i i
- l .--
- pTHRUST POT l
--jeTHRUST POT a'
- l a- l !
t
'.l ,,
Jai 3 siw mp jpSPACER COUPLING : -._,' jpRIGID COUPLING M
- ~
MECH SEAL a -
-[
- , , , m 3 ...
tg 0 ,
~
((- - - - -
! k ! h
- M-
- , %-
m ,
,z--:y- zz ,2 c,
. m , .
- z :,,
1 ,
,;s.
- z 2::- ,- Es ,:.
a.l: %!, ebllz, mi s!. l.lM. -
si'ts .
'% ' s f Ni.
l ,
Figure 13 5. THRUST POT INSTALLATION l
1 1
l 31 l
r
x :
M
,k
- s C '
- f=f
,'? @
q i w ---
p .
/,/l//'i -
s I'4 u.'P
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Agwq)sm ,, '
97, I N
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- h. ' " ~
JhZ D N.Mi-$h;' ' D L
SEAR'N3 A1AANGEYENT FOR (QI o pqp%h.=
CONT NuouS OCANNewST.
qN'j [ I 1,' .
, % BEAR:NG ARRANGEYENT FOR 7' j' LN, 5
< F, A CONTINUOUS UPTMRUSf.
. : it N g -
jp _.Ej .$3 ND '
g so4c h s\'
7j p (\ D[
'. %. LD m s
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i s
--b\ 'w ,'
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.L 'N ._ x .x ; t':1-bsxs gj s.
v U,
.r 747$
CCOLiNG 4ATER INLET S OUTLET t CNLY CNE SMCWN)
NO CESCRt9h0N
_6048 ADJU.STjNG NUT
__604C_LCCMNUT,8 EARJNG _ , . _ _ _ _
605 SP8NOLE __
647 SMAFT 6 51 Ott TL5E 678 C0 CLING CO L 678A MALE CONNECTOR
. 6788'UNr0N fL5CW 7 ~^
~5CGIOWEY
~743G O-R!NG 7
~ '47STPE'PWG)RUN '
7477 PrPE PLUGJJLL_ , _
._747U PIPE PwG y ACCE_SS.
747v pipe PLUG TEMPERATURE CETECTCR 7S70 SOCKET-ME AD CAP SCREW i 760P MEX ME40 CAP SCRE* !
7600 MEx MEAD CAP SCRE*
T70 COVER' ~
R PORTMOLE view GAUGE a MLOCMWASMERJEARING 79ie _ BALL _8E ARING TR> PLEX APPLICATsON ,
1794A_MOU$NG 8E ARING !
Figure 13-6. THRUST POT BEARING ARRANGEMENT 32
SECTION 14-MAINTENANCE 14-1 PREVENTIVE MAINTENANCE B. With the pump shut down and when packing a een p s ep n a e and is 14 2 Preventive maintenance includes periodic * * ' 9 inspection of oll level in thrust pots, relubrication box, remove the split gland, add one extra packing of electric motors., gear drives and prime mover, ring, and readjust. If this fails to reduce the leak-Systematic inspection of the pump and its compo- age to two drops per second, remove all packing nents should be made at regular m, iervals. The fre- rings and replace with new rings.
quency required depends upon the operating con-ditions of the pun.p and its environment. See table C. Remove the Packin9 with the aid of a Packin9 14-1 for maintenance procedures. Consult the ap- hook. If a lantern ring is provided, remove it by plicable manufacturer's instructions for detailed inserting a wire hook in the slots of the ring and information on maintenance for the prime mover, pull it from the packing box. Thoroughly clean the driveshaft, electric motors and gear drives. Any stuffing box of all foreign matter.
deviation in performance or operation from what D. If the replacement packing is in the form of a is expected can be traced to some specific cause. continuous coil or rope, it must be cut into rings i
Variances from initial performance will indicate before installing. Tightly wrap one end of the I changing system conditions, wear, or impending packing material around the top shaft like one coil breakdown of the unit. spring, and cut through the coil with a sharp knife.
For repacking sequence, refer to Section 9.
BEFORE INITIATING MAINTENANCE 14-5 THRUST POT LUBRICATION AND MAINTE-PROCEDURES, DISCONNECT ALL NANCE. It is good practice to flush the oil reser-POWER SOURCES TO THE EQUIP. voir before first time operation and at the time of MENT AND ACCESSORIES AND COM- oil changes to remove any grit particles in the oil PLETELY DISCHARGE ALL PARTS reservoir sump. Use the same type of oil to flush AND ACCESSORIES WHICH MAY RE* reservoir as specified for lubrication. Because of TAIN ELECTRIC CHARGE. FAILURE TO the special nature of the TURBINE OIL recom-COMPLY MAY RESULT IN SEVERE mended, it is wise to keep a supply on hand. Re-PERSONAL INJURY OR DEATH, move drain plug (747S) before flushing. Flushing il may be p ured through oil fill opening in cover 14-3 PACKING ADJUSTMENT (770) after removing oil fill plug (747T). The proper AND REPLACEMENT oillevel when the Unit is not running shall be not 14-4 Pumps equipped with packing, shall be ad- more than %" to %" fram the top of the oil sight justed whenever the leakage rate exceeds two gauge (771). Overfilling may result in overheating drops per second. If there is no leakage or the 0f the unit. During operation the oil level in the stuffing box overheats, do not back off gland nuts sight gauge may be higher than the recommended while pump is running, as this will allow the entire ange mentioned above. Under no circumstance is set of rings to move away from the bottom of the [I allowed to rotate the unit when the oil in the box, without relieving pressure of the packing on ' . ht gauge is not at the required level.
sig the shaft. Stop the pump and allow packing to To avoid oxidation of the anti-friction bearings cool then restart the pump. It may be necessary to during shut down periods lasting longer than one .
repeat this procedure several times before the week. it is recommended to fill up the oil reservoir proper amount of liquid comes through to effi. until the oil runs over the oil retainer tube (651) 7 ciently prr ant overheating. If leakage is exces- and down the shaft (647) so that the bearings re-sive, adjt . c the stuffing box as follows: main completely immersed in the oil. Before start-A. With the pump in operation, tighten the gland up, do not forget to drain the excess oil to its re-quired level.
! nuts one-quarter turn for each adjustment. Allow l packing to equalize against the increased pressure Oil change depends on the severity of the environ-and leakage to gradually decrease to a steady rate, ment. Generally speaking. when the oil in the sight before making another adjustment. gauge changes to a darkish brown color it is time f r an oil change. However, for a longet bearing CAUTION *" " "' # ""9 DO NOT OVER-TIGHTEN THE STUFF- em su moms. Be sm to Wsh me oH msh ING BOX. EXCESSIVE PRESSURE CAN (see above) with each oil change. For approximate WEAR OUT PACKING PREMATURELY amount of oil needed, refer to table 13-2.
AND SERIOUSLY DAMAGE THE SHAFT.
a 33
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TAILP 141. PREVENTIVE MAINTENANCE PROCEDURES PROCEDURE TIME INTERVAL (OPERATING HOURS)
Clean dirt oil and grease As required ,;
from driver and discharge head.
Clean driver ventilation As required passage to prevent overheating.
Change lubricant in gear 2.000 or once a drive. year Change lubricant in thrust See Section 13 pot.
Tighten all loose bolts, and As required check for excessive vibration.
If packing is grease 100 lubricated, add as required.
Check that there is some As required leakage through stuffing box while pump is in operation.
Do not tighten gland nuts unless necessary, refer to Paragraph 14-4 for tightening requirements.
Maintain a liquid film of As required lub'ication between the seal rubbing faces.
Regrease motor bearings:
Above 1800 RPM 1000 Below 1800 RPM 2000 i
34
SECTisN 15- TR3UBLESH23 TING 15-1 CORRECTIVE MAINTENANCE 15-2 Corrective maintenance procedures include functions of the pump and its components during troubleshooting for isolating and remedying mal- operation.
TABLE 151 TROUBLESHOOTING TROUBLE PROBABLE CAUSE REMEDY
- 1. Pump does not start. A. Electrical circuit open or not Check circuit and correct.
completed.
B. Steam turbine not receiving Make sure that turbine receives steam pressure, full steam pressure.
C. Impellers binding against Reset impeller adjustment. See bowl. Section 11, Paragraph 11-1.
D. Low voltage supplied to Check whether driver wiring is electric driver. correct & receives full voltage.
E. Defective motor. Consult f actory.
- 2. No liquid delivered. A. Insufficient submergence of Check for adequate bowl assembly. submergence.
B. Obstruction in liquid Pull pump, inspect impeller and passage. bowl.
- 3. Not enough liquid delivered. A. Speed too low. Check if driver is directly across the line end receiving full voltage D. Wrong rotation. Check for CCW rotation when viewed from above. Check engagement of motor coupling.
C. Total pump head too high. Check pipe friction losses.
Larger piping may correct condition.
D. Partial obstruction in liquid See Step 2 B.
passages.
E. Cavitation. Insufficient NPSH available.
F. Impellers adjasted too high if See Section 11.
semi-open construction.
- 4. Not enough pressure. A. Speed too low. See step 1 B B. Obstruction in liquid Pull pump and inspect impeller passages. and bowi passages.
C. Wrong rotation. See step 3 B.
D. Same as F in step 3. See step 3 F.
- 5. Pump works for awhile and A. Excessive horsepower Use larger driver, consult quits. required. factory.
B. Pumping higher viscosity or Test liquid for viscosity and I
specific gravity liquid than specific gravity.
designed for.
C. Mechanical failure of critical Check bearings and impellers parts. for damage. Any irregularities in these parts will cause a drag on the shaf t.
O. Speed may be too high. Check voltage on motor.
E. Misalignment. Realign pump and driver.
35
TCOUBLE PRC2ABLE C AUSE REMEDY
- 6. Pump takes too much power. A. Damaged impeller. Inspect, replace it damaged. <
- 8. Foreign object lodged Remove object as required.
between impeller and bowl. Test liquid for viscosity and 't C. Specific gravity higher than specific gravity. /
pump designed for. Check, both can cause high D. Viscosity too high, partial drag on impeller.
freezing of pumpage. Replace bearing, check shaft or E. Defective bearing. shaft sleeve for scoring.
F. Packing too tight. Relea-e gland pressure.
Defighten, refer to Section 14, paragraph 14 4. Keep leakage flowing. If no leakage, check packing, sleeve or shaft.
- 7. Pump is noisy. A. Cavitation 19 sufficient NPSH available.
B. Bent shaft. Straighten as required See Section 7. Step A.
C. Rotating parts bind, loose or Replace as required.
broken.
D. Bearings worn out. Replace bearings.
- 8. Excessive vibrations. A. Coupling misalignment, bent Determine cause utilizing '
shaf t, impeller unbalance, vibration frequency analyzer worn bearings, cavitation, and/or pump disassembly.
piping strain, and/or Complex prob!em may require resonance. factory service assistance.
B. Motor or gear drive shaft end See Section 11.
play maladjustment.
- 9. Pump leaks excessively at A. Defective packing. Replace worn packing. Replace stuffing box.
packing damaged by lack of lubrication.
B. Wrong type of packing. Replace packing not properly installed or run-in. Replace improper packing with correct
~
grade for liquid being pumped.
- 10. Stuffing box overheating. A. Packing too tight. Release gland pressure. See step 6-F.
B. Packing not lubricated. Release gland pressure and replace all packing if burnt or damaged. Regrease packing as required.
C. Wrong grade of packing. Consult factory.
D. Stuffing box improperly Repack stuffing box.
packed.
- 11. Packing wears too fast. A. Shaft or shaf t sleeve worn or Pull pump and remachine, or scored. replace shaft and/or sleeva.
B. Insufficient or no lubrication. Repack and make sure packing is loose enough to allow some leakage.
C. Improperly packed. Repack properly, make sure all old packing is removed and stuffing box is clean.
D. Wrong of packing. Consult factory.
36
TR$USLE PROMABLE CAUSE REMEDY
- 12. Mechanical sealleaks A. Faces are not f!at. Gland bolts possibly too tight,
. steadily, causing warpage of gland and insert, remove check and reinstall.
B. Shaft packing nicked or Replace packing.
chipped during installation.
C. Carbon insert cracked or Remove, inspect and replace as face of insert or seal ring required.
chipped during installation.
D. Seal faces scored from Install strainer, filter or cyclone foreign particles between separator as required to filter faces. out foreign particles.
- 13. Seal squeals during A. Inadequate amount of liquid Bypass flush line may be operation. at sealing faces. necessary,if one is in use it may need to be enlarged to produce more flow.
- 14. Carbon dust accumulating A. Inadequate amount of liquid Consult factory.
i on outside of gland ring. at sealing faces.
B. Liquid film flashing and Consult factory.
evaporating between seal faces and leaving residue which is grinding away the carbon.
- 15. Sealleaks. nothing appears A. Faces are not flat. Seal faces should be replaced or to be wrong. relapped. Also see step 11-A.
- 16. Short seat life. A. Product is abrasive, causing Determine source of abrasives excessive seat face wear. and install bypass flushing it required to prevent abrasives from settling out or accumulating in the seal area.
Install cyclone separatoros required.
B. When abrasives are forming install bypass flush line to hold due to the process liquid liquid temperature around the cooling and crystalizing or seal above crystalization point.
partially solidifying in the l seal area.
C Sealis running too hot. Check for possible rubbing of some seal component along the shaft. Recirculation or bypass line may be necessary.
D. Improper choice of seal. Consult factory.
1 SECTION 16-PUMP DISASSEMBLY AND REASSEMBLY I NOTE prime mover.
l PUMP COMPONEisTS SHOULD BE B. On pumps which are electric motor driven, re-MATCH MARKED PRIOR TO DIS. move the electrical connections at the conduit box ASSEMBLY and tag electricalleads so they can be assembled the same way they were disassembled.
l 16-1 If solid shaft driver, either motor or gear is l*, used with mechV' 21 seals, loosen set screws fas- WARNING
(' tening seal to pu.np shaft so pump shaft can slide up or down within the seal.
BEFORE OPENING TtiE CONDUlT BOX OF AN ELECTRIC MOTOR, BE SURE l
l A. On pumps which are driven through a gear THAT THE CURRENT TO THE MOTOR drive, remove the drive shaft between gear and IS SHUT OFF.
37
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PUMP Dl3A$$[MBLY AND RIASSEMBLY
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Figure 16-1. COLLET DRIVER 38
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Figure 16-2. IMPELLER KEY CONSTRUCTION j 39 l
- - - _ - . - . _ __. ____ - __ _ L
16-2 Uncoupla drivo from pump shstt and dimiga thm watr ring sett.
mounting flanges and lift off by th2 lifting lugs or eyebolts as furnished, B. With a chisel, or equal knock the end of one half of the ring in, and pry ring out.
- NOTE C. On special materials such as chrome steel, set NEVER TRY TO LIFT ENTIRE PUMP AS- up the bowl in a lathe and machine the wear ring SEMBLY BY THE LIFTING LUGS OR off using extreme care not to machine or damage -,
EYE BOLTS FURNISHED FOR THE the rmg seat.
DRIVER ONLY.
16-3 Disconnect discharge head from discharge 16-9 TURBINE BOWL-lMPELLER WEAR line. Remove all hold down bolts and integral pip- RING REMOVAL ing. Remove coupiing packing box or mechanical seal, and proceed with disassembly down to the A. Set up impeller in a lathe and machine wear bowls in reverse procedure from that already de- ring off using el.treme care not to machine or scribed in detail for assembling the unit. damage ring seat or impeller hub. Impeller wear ring may also be removed by following steps A and 16-4 BOWL ASSEMBLY. The bowl assembly B, paragraph 16-8.
shown in figure 161 is composed of a suction bell, intermediate bowl, top bowl, enclosed impellers 16-10 BOWL, SUCTION BELL AND with taper collets, bearings and a barrel.
RETAINER BEARING REMOVAL NOTE MATCH MARK BOWL ASSEMBLY IN A. Utilizing an arbor press and a piece of pipe or SEQUENCE OF DISASSEMBLY TO AfD sleeve with outside diameter slightly smaller than IN THE REASSEMBLY PROCEDURE. bowl and retainer bearing housing. press the bear-ing of f.
16-5 TURBINE BOWLS. Turbine bowl impellers B. Remove suction bell bearing by setting suction are secured to the shaft by either a taper collet or bell on a lathe and machine bearing off. Suction by standard key construction.
bell bearing may also be removed by using bear.
ing pullers and pulling bearings out.
16-6 TAPER COLLET CONSTRUCTION.
See figure 161. NOTE BOWL BEARINGS ARE PRESS FIT. DO A. Remove capscrews that secure top bowl (669) NOT REMOVE UNLESS REPLACE-to intermediate bowl (670). MENT IS NECESS ARY.
B. Slide top bowl off the pumpshaft (660).
C. Pull shaft out as far as possible and strike im- .
16-11 INSPECTION AND peller hub utilizing a co!!et driver or equivalent REPLACEMENT sliding along the pumpshaft to drive the impeller A. Clean all pump parts thoroughly with a suitable off the taper collet. (See figure 16-1, A.) cleaner.
D. After impeller is freed, insert a screwdriver into B. Check bearing retainers for deformation and tha taper collet to spread it. Slide taper collet and wear.
impeller off the pumpshaft.
E. Use the preceding procedures until entire tur- C. Check shafts for straightness and excessive wear on bearing surfaces. Check deflection of bine bowl assembly is completely disassembled. shafts, average total runout shall not exceed 0.010"(0.25 mm) T.I.R. for every 10 feet (3 m).
16-7 STANDARD KEY CONSTRUCTION. D. On pumps equipped with a mechanical seal.
(See figure 16-2) check that shaft or sleeve is free of pits, t irrs or A. Remove capscrews that secure top bowl (669) sharp edges to prevent cutting, or impropsr seal-ng g. me s and sham Mges W to intermediate bowl (670)-
polishing with a fine crocus cloth.
B. Slide top bowl off the pumpshaft (660), keyed impeller is now exposed. E. Visually check impellers and bowls for cracks C. Remove capscrews (759F) and split thrust ring and pitting. Check all bowl bearings for excessive (725) from pumpshaft. wear and corrosion.
D. Slide impeller off the pumpshaft and remove F. Replace all badly worn or damaged parts with kiy (730E). If impeller is seized to shaft, strike im- new parts. In addition, replace all gaskets and p211er with a fiber mallet and drive impeller off tne packing as required. Refer to Section 16 for spare parts list.
pumpshaft.
16-8 TURBlNE BOWL-WEAR RINGS 16-12 TURBINE BOWL AND IMPELLER REMOVAL WEAR RING INSTALLATION A. Utilizing a diamond poir.t chisel, cut two "V" A. Place chamfered face of bowl or impeller wear i ring tcwards the ring seat and press into seat. Use shiped grooves on the bowl wear ring approxi- an arbor press or equal making sure ring is flush mately 180 degrees apart. Use extreme care not to with edge of wear ring seat.
40
. 16-13 BOWL, SUCTISN BELL AND J. R:p;at pr:c ding prcc duro for numb;r of RETAINER BEARIN3 INSTALLATISN stages r: quired.
K. Loosen capscrew ar:d washer, check that shaft
- ' A. Press bearing (653) into retainer (652) using an rotates freely without dragging or binding. Also arbor press or equal. (See figure 31.) check for adequate lateral end play.
B. Press bearing (690) into suction bell (689) us-ing an arbor press or equal. 16-15 STANDARD KEY C. Press bearings (672) into intermediate bowl CONSTRUCTION. (See figure 16-2)
(670) and top bowl (669). Place the bowl with the A. Install key (730E) into pumpshaft keyway, shd6 flange downward and press bearing through impeller (673) over shatt and iocate it on key.
chamfered side of bowl hub until bearing is flush B. Install split thrust ring (725) on pumpshs!t with hub, use an arbor press or equal. groove and secure to impeller with capscrews (7594 16-14 TURBINE BOWL WITH TAPER C. Snde intermediate bowl (670) over pumpshaft COLLET REASSEMBLY and secure to suction bell (689) with capscrews A. For ease in reassembly apply a thin film of tur. (759F).
bine oil to all mating and threaded parts. D. Repeat preceding procedures for number of B. If a pumpshaft (660) is replaced and the sand stages required, collar is not assembled to the shaft, sand collar is 16-16 After reassembl3 of bowl assembly, reas-attached to the shaft by a shrink fit. The shaft is semble pump as described in Section 6 through l machined with an 0.01 mch (0,25 mm) groove to
- 11. Refer to Section 12 for startup and adjusting locate sand collar, place large diameter of procedures. Section 13 contains information on counterbore on sand collar towards suction bell special applications.
bearing. Heat sand collar until it can slip on shaft.
WARNING TABLE 161 PUMP SHAFT SET UP DIMENSIONS WEAR PROTECTIVE GLOVES AND USE "X" THE APPROPRIATE EYE PROTECTION DIMENSION TO PREVENT INJURY WHEN HAN- PUMP SIZE inches (mm)
DLING HEATED PARTS. 33.3 4D 1.31 C. When a sand collar is not furnished, use "X" 6A 1.37 34.9 dimension given in Table 16-1, to locate pump 6J 1.37 34.9 shaft with respect to bowls. EXAMPLE: For an 11 A 6D 1.37 34.9 size pump insert shaft into suction bell bearing 7A 1.37 34.9 until it bottoms out, pull shaft out and measure 8A 1.37 34.9 2.12 inches (54 mm) from groove on shaft to suc- 8J 1.37 34.9 tion bell hub (see figure 16-3). 8D 1.37 34.9 D. Hold shaft in this position with washer and 9A 1.37 34.9 capscrew. Insert capscrew with washer through 10A 1 75 44.5 the threaded hole in suction bell, thread into shaft 44.5 l 10J 1.75 l and tighten. Size of capscrew may vary between 10D 1 75 44.5 W 13 UNC or %"-11 UNC, depending on size of 10L 2$12 54.0 pump. 11A 2.12 54.0 E. Slide first impeller over shaft until it seats on 12J 2.12 54.0
- 12D 2 25
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57.2 F. Insert a screwdriver into taper collet (677) slot. 2.75 69.9 14J spread it and slide it over shaft. Hold impeller 14H 2.75 69.9 against bowl and slide taper collet into hub. 14D 2.75 69.9 G. Hold shaft with capscrew and washer against 16D-Bell 1.75 44.5 suction bell boss and drive taper collet in place 69.9 with collet driver (see figure 161, B.). After im. 16D-Bowl 2.75 18H 2.75 69.9 peller is in position on taper collet, check "X" di. 87 22 20 mension. Relighten capscrew,if required.
H. Slide intermediate bowl (670) over pump and 36T 6.25 158.3 secure to suction bell with capscrews provided.
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_-.. SUCTION BELL CAPSCREW SCREWED INTO TAPPED HOLE IN SHAFT WITH WASHER
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- to 25mm) GROOVE _x SUCTION BELL HUB Figure 16-3. SETTING PUMP SHAFT 42
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i GOUEmamraJ b# E W 5 F S, a %mie Main Plant and Headquarters. Seneca Falls, N.Y.13148 VERTICAL PUMP DIVISION l Form A302 v8 277 Swp $771 Panted .n U S A
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AI.LIS-CHAIMERS NORWOOD, OHIO PRIClD Id4'(M4 ENDED SPARE PARTS Goulac rumps DATE: 3-B-76 CUSTW ER:
39939 A-C S.O. # EL90235 CUSTMER P. O. #
TTEN NO. 43 HP 50 1YPE RGV RPM 3800 VOLTS 460 l
i F'RfNE 326VP I Coll.S W/ WINDING SUPPLIES
' S42.76 SHAFT END BEARING
$703.80 OPPOS!IE END PEARING RENARKS.
l liEl.I VEhy . Coll.S: /0 t.o /.c weeks if copper is in stock at ent.ry of order.
BEARINGS: 2 1.o 3 weeks j
REC 0fMENDED MIN __IMUM STOCK NO, OF UNITS IN OPERATION 1104__, , _ _ _
5 TO 9 10 TO 20 10F EACH EXCEPT 2 0F EACH 1 OF EACH 2 EA. BEARINGS
, , , ,c , F.O.B. NORWOOD, NO FFIIGHT AL1/
ABOVE PRJCES ARE NET EACH , Peete ,a AT TsMe p e m.#M 4 h v CC:
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4 GOULDS PUMPS VERTICAL PUMP DIVISION LONG TERM STORAGE / DEFERRED WARRANTY PROCEDURE SCOPE This procedure describes preservation, packaging, storage and inspection /
refurbishment activities to be implemented in order to provide extended warranty coverage for equipment offered by this proposal.
PRESERVATION / PACKAGING A. All exposed interior and exterior non-coated carbon steel surfaces are sprayed with water displacement rust preventative, RUST BAN 392 or equal .
B. Coat carbon steel stuffing box with crusting grease, RUST BAN 326 or equal. Cover top of stuffing box with waterproof paper and seal with waterproof tape.
C. Coat exposed carbon steel machined surfaces with firm film rust pre-ventative, RUST BAN 373 or equal.
D. Exposed flanges are covered with hardbot.d f.lange protectors held in place by wire or clips.
E. Apply film of compatible tube oil, RUST BAN 632 or equal over the water displacement rust preventative.
F. Cover pump suction with plastic sheet and tape in place.
G. Plug all tapped openings, coating threads with thread compound.
H. Skid mounted for fork lift handling.
- 1. Covered with a plastic sheet open on the bottom to allow breathing.
J. Stainless steel components shall not be painted and require no
~
NOTE:
preservation.
~
I STORAGE Store the pump Indoors in a clean, dry environment. During storage rotate shaft counter clockwise once a month and check that shaft is not in an ex-treme raised or lowered lateral condition.
INSPECTION / REFURBISHMENT Prior to installation of the pump, Goulds will provide services for dis-assembly and inspection of the pump. Service charges for this service will be in accordance with Goulds' published service charges in effect at the time of disassembly and inspection. If any pump components or parts are deemed by Goulds Pumps to be deteriorated during storage and unfit for pump service, those parts will be replaced at prices in effect at the time of l
I their replacement. The inspector shall be satisfied that the equipment has been stored in the above specified location and the proper attention has been given to the equipment as specified above. The inspector shall be satisfied that the equipnent has not been subject to abnormal abuse.
t DEFERRED _WARRA m' l Af ter completion of inpsection/ refurbishment described above, the equipment warranty (as defined in Goulds Pumps, Inc. Terms and Conditions) shall be in effect for a period of twelve (12) months from pump installation and start up. This warranty period is not to exceed eighteen (18) months from the inspection date described above.
.