ML20132F657
| ML20132F657 | |
| Person / Time | |
|---|---|
| Site: | 05000000, Waterford |
| Issue date: | 04/06/1983 |
| From: | LOUISIANA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML082320156 | List:
|
| References | |
| FOIA-84-206 ME-13-019, ME-13-19, NUDOCS 8510010380 | |
| Download: ML20132F657 (23) | |
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DEFART.E.U. ?RCCDURE ME-13-019 337 37g3 1
17?ROVAL DATE APRIL 6. 1983
- .CTIVE OATIAPRIL 6. 1983 MAINTENANCE PROCEDURE MOTOR BEARING REPLACEMENT AND MOTOR CLEANING LP&L W-2 RECORDS UNCONTROLLED CO?Y DO NOT USE IN ANY S A :ETY -RF.I.ATED TESTING, MAINTENANCE, OP. GeiHATIONAL ACTIVITY 2A APPRO7C:
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MD-1-011 Revision 1 2S A::ach=en: 6 '. 7 (1 of I) f6/kkV~ EO b 8510010300 850227 PDR FDIA BERNABES4-206 PDR
DF2 ART.fr.?"'AL PRCCDURE CHANCE /Rr.ISION/DII,r 20K REQUEST PROCEDURE No.
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EFFECI M DAIE
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(if different fren Group Eesd appreval datel
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FRCCC URE STATUS A.
Change 2b.
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B.
Revision No. /
C. ~ Deletion..viA REASON FOR CHANGE. REVIS70N, OR DEL.:."rION O h 1 n.n k?:.wl W y /. :!,u f,.>
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[T.!I.2..d'7
.o REVIE*4 SIGNATURES Originator Date t*'I3 Techaical Review IkB sbbM Date
/d '$O-D PROCEDURE EVALUATION - Does this change, revision, or deletion: yss 30 1.
Change the facility as described in the FSAR?
4/
2.
Change tha procedures as described in the FSAR?
M 3.
Conduct tests / experiments not described in the FSAR?
/
4.
Create a condition ce conduce an operation which exceeds or could result in e=cceding, the limits in Technical d
Specification?
If the answer to any of the above is yes, cec:plete and attach a 10 CFR 50.59 Safety Evaluation checklist.
- PROCEDURE EVALTATION' Jds h Date /C - 2 0 - $_3 Q.C. Restav A?NJ
-d' W
!P Date / d
- 2 / E 5" Department Head ME2. ' N <.s I Date / 6 " A 6 - U
""!MPORARY APPROVAL SIGNATURES
- NOS Date Maint. Super (or Group / Dept. Head)
Date
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- Temporary approval must be followed by QC Review,' Departnant Head Review and Group Head Approval within 14 days.
PERMANENT APFRCVAL SICIATURE (Channes/ Deletions Only - For Revisioes, see Title Page)
Group Eead
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MD-1-011 Revision 2 31 Accachment 6.8 (1 of 1)
Mai.9tenance ?rocedure ME-13-019
- ot r Bearing Repiscement Revision 1 j
and Motor Cleanin6 TASLE OF CONTENTS 1.0 PURPOSE
2.0 REFERENCES
3.0 PREREQUISITES 4.0 PRECAUTIONS AND LIMITATIONS 5.0 INITIAL CONDITIONS 6.0 MATERIA AND TEST EQUIPMENT 7.0 ACCEPTANCE CRITERIA S.O PROCEDURE 8.1 Preparation 8.2 Exterior Inspection and Cleaning 8.3 ' Interior Inspection and Cleaning 8.4 Searing Replacement 8.5 Return to Service 9.0 SETPOINTS 10.0 ATTACHMENTS 10.1 Motor Bearing Replacement and Motor Cleaning Data Record Form (3 pages) 11.0 COMMITMENTS AND REFERENCES LIST OF EFFECTIVE PAGES Title Revision 1 1-20 Revision 1 l> 11, l%40 Change-1 l f "4',_,o,93 1
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?rocedure "o. 4" $ /; l'/C Title W.)&.'.,AMw$/f >/'&'., h 0,1/ s~'C2 !$ sunS Iffective Date (if different from Croup Ecad appreval date)
Cenole eA. 3. or C A.
Change No. //N 3.
Revison No. /
C.
Deletion N//
?IASON FOR CEANCE. REVISION, OR DEL'.'."" ION l SC?kYe AW M?e i, &fo" Afkl.?8 h!%?l /
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REOUIRED SIC';ATURES Sh Date Originator _
Technical Review h e d h e.r[ M /
Date
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SAFET! E7ALUATION Does this change, revision, or deletiotr:-
TIS NO N
1.
Change the facility as described in teh FSART 2.
Change the procedures as described in the FSAR?
X 3.
Conduct tests / experiments not described in the FSAR 4.
Create a conditien or conduct an opertion which exceeds 4
or could result in exceeding, the limits' in Technical Specification?
If the answer to any of teh above is yes, complete and attach a 10 C71 50.59 Safety I uation checklist.
Uc Date
/ ' / V-P.7 Safety Evaluation k
Data Temporary Approval
- Temporary Approval
- Date QC Review - [ [ _
.,[wp Date
.7-/%-[3 Croup / Department Head
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Date
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aTemporary approval sust be followed by QC Review and Group / Depart =ent Head approval within 7 days.
MD-1 011 Revision 0 Attachnent 6.9 (1 of 1)
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MZ-13-019 Maintenance Procedure Reticien 1 Motor Learing Replacement
-and Mctor Cleaning-1.0 PUFFOSE This procedure provides general instructicns for bearing replacement and cleaning of motort.
2.0 REFERENCES
2.1 SAP-08, Condition Identification and Corrective Action 2.2 UNT-5-002, Condition Identification and Work Authorization 2.3 SAP-09, Tagging 2.4 UNT-5-003, Clearance Requests, Approval and Release i
2.5 MS-7-001, Insulation Resistance and Continuity Testing 2.6 MM-6-004, Shaft Coupling Alignment and Belt Tensioning Procedure 2.7 ME-4-701, Greasing Electrical Equiptint 2.8 ME-4-806, Dry-Out of Electrical Equipment 2.9 MM 4-002, Vibration Measurements and Limits fcr Rotating Equipment 2.10 ME-4-810, Low Voltage Power Cable Terminations and Splices 2.11 ME-4-811, Medium and High Voltage Power Cable Terminations and Splices 2.12 ME-7-006, 480 VAC and Less Squirrel Cage Induction Motors 2.13 The applicable manufacturer's technical manual 3.0 ERE.REOUISITES 31 The Nuclear Operations Supervisor (NOS) has granted permission to perform this procedure.
3.2 Any measuring and test equipment (M&TE) used to perform this procedure shall be within its current calibration period, as evidenced by an affixed calibration sticker.
2
r-Maintenance ?recedure ME-13-010 Motor Bearing Replacement Revision 1 cnd Meter Cleaning-3.3 ME-7-001, Insulation Resistance and Continuity Testing, shall be available for use in conjunction with this-procedure.
3.4 Health Physics has issued a Radiation Work Permit (RWP) for any maintenance or repair to be performed in controlled areas.
3.5 Review-the appropriate section to be performed to establish the necessary M&TE needed.
4.0 PRECAUTIONS AND LIMITATIONS 4.1 PRECAUTIONS 4.1.1 When energi ing the motor, ensure that the shaft and coupling are clear of obstructions to prevent personnel injury or equipment damage.
4.1.2 Whenever a motor is' started, if excessive vibration or current is evident,-shut off the motor and investigate for a cause.
If ex-cessive vibration is evident, coordinate with Mechanical Maintenance to perform a vibration analysis. test in accordance with MM-4-002, Vibration Measurements and Limits for Rotating Equipment.
4.1.3 When using a bearing puller, ensure that pressure is applied to the inner race of the bearing.
4.1.4 When selecting a replacement bearing, compare it closely to the bearing removed to ensure that a like replacement is being used (sealed and' shielded bearings are almost identical in
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appearance).
v 4.1.4.1 On safety-related motors, replacement bearings must be qualified 1E for use with the motor.
4.1.5 Large bearings may require heating in oil in accordance with the manufacturer's instructions or as directed by the Electrical Assistant Superintendent (EAS).
3
Maintenance Procedure ME-13-019 Mctor Bearing Replacement Revision 1 and Motor Cleaning 4.1.6 Use protective eyewear when cleaning with pressurized air.
4.1.7 The. voltages and currents that may be encountered in the performance of this procedure may be lethal; proper care shall be observed while working on or near energized equipment.
2.2 LIMITATIONS 4.2.1 Reconnected wires require independent verification as to their proper restoration.
The person making the disconnection shall enter the Wire Identification (I.D.) number-(provide temporary labels if necessary) and'its Termination I.D.
in the space provided on Attachment 10.1 prior to disconnecting.
Upon recon-
[
nection, the person performing the reconnection shall enter the Wire I.D. and Termination I.D. he reconnects to, and provide his initials in the " Performed By" space.
The person performing independent verification shall initial in the " Verified By" space.
4.2.2 Step completion shall. be signified by initialing or entering data in the appropriate space on Attachment 10.1.
If a procedure step does not apply to a particular component or equipment being
- tested, "NA" shall be recorded in the appropriate data or signoff space.
4.2 3 The sections of this procedure are written in such a manner that they may be performed in any sequence or, if desired, individually without affecting the end results of this procedure.
4.2.4 Record correctable deficiencies, together with the recedial action taken, in the " Remarks" section of Attachment 10.1 as a guide for trend analysis.
4.2.5 Replacement of components shall be initiated by a CIWA.
Documentation shall be accomplished by recording the CIWA number in the " Remarks" section of Attachment 10.1.
4
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4
l Maintenance Procedure.
ME-13-019 Motor Bearing Replacement Revision 1 and Motcr Cleaning 4.2.6 If any. discrepancies are encountered that cannot be resolved within the scope of this precedure, submit a CIWA in accordance with SAP-08 or UNT-5-002 (as applicable) to initiate further cor-rective action.
The CIWA number.and an explanation shall be recorded in'the " Remarks" section of Attachment 10.1.
5.0 IMITIAL CONDITIONS The plant may be in any operational mode to perform this procedure, as determined by the NOS on a case-by-case basis.
6.0.
MATERIAL AMD' TEST EQUIPMENT 6.1 MATERIAL 6.1.1 Soft, clean absorbent cloth 6.1.2 Aluminum foil 6.1.3 Thermal insulated gloves or. equivalent 6.1.4 Freon TF, Dowclene EC, Chlorother NU, or equivalent non-flammable solvent 6.1.5 Mineral oil or equivalent lubricating oil 6.1.6 G.E. Glyptol or vendor-approved ~ equivalent 6.1.7 Assortment of wrenches 6.1.8 Bearing puller 6.1.9 Grounding set 6.1.10 Isopropyl alcohol or equivalent approved solvent
'6.1.11 Bearing, correct size and type 1
6.1.12 Vacuum cleaner with non-metallic attachments 6.1.13' Soft-bristle brush 5
Maintenance.'recedure ME-13-019 Meter Bearing Replacenent Revision 1 and Motor Cleaning 6.1.14 Safety goggles 6.1.15 Sandpaper No. 000, crocus cloth or equivalent 6.1.16 NO-0X-ID-A or equivalent grease 6.1.17 Steam c16aning equipment 6.1.18 Detergent for use with the steam cleaner 6.2 TEST EQUIPMENT 6.2.1 Triplett Model 630 FLK or equivalent Voltmeter l
6.2.2 Grounding and Test Device, G.E.
" LOAD SIDE" 6.2.3 Model TT300HV or equivalent High Voltage Detector 6.2.4 Fluke Model 8600A or equivalent DMM 6.2.5 Biddle Model 278000 or equivalent Clamp-on Ammeter 6.2.6 Biddle Model 560060 or equivalent Rotation Tester 7.0 ACCEPTANCE CRITERIA 71 Exterior Inspection and Cleaning 7.1.1 ' Motor is clean (steps 8.2.2.1A, B, C).
7.1.2 Nuts, bolts, etc. are tight (step'8.2.3 1).
7.1.3 Motor casing to ground connection is less than 1 ohm (step 8.2.8.2).
7.2 - Interior Inspection and Cleaning 7.2.1 Motor interior is dry (step 8.3.7).
7.2.2 Motor interior is clean (step 8.3.8).
7 2.3 Rotor and stator appear to be in good condition (step 8.3.9).
l 6
Maintenance Fr0cedure ME-13-019 Mctor Bearing Replacement Revision 1 and Motor Cleaning 7.3 Bearing Replacement 7.3.1 Bearing seats are coated with mineral oil (step 8.4.10).
7.3 2 Bearing is properly seated (step 8.4.14).
7.4 Return to Service 7.4.1 Motor run (if required) is successfully completed (step 8.5 3).
8.0 PROCEDURE 8.1-PREPARATION 8.1.1 Ensure that all of the prerequisites have been completed.
8.1.2 Procure all equipment, tools, test equipment and references necessary to perform required maintenance.
8.1.3 Have Operations safety-tag the motor power source in accordance with SAP-09 or UNT-5-003 (as applicable).
Refer to the specific Power Distribution and Motor Data (PDMD) and Control Wiring Diagram (CWD) for the motor being tested / maintained.
8.1.4 For low voltage motors, use a multimeter, and verify that the l
motor and motor starter are de-energized.
8.1.5 For medium voltage motors, perform the following:
8.1.5.1 Have Operations remove the motor's circuit breaker from its
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associated switchgear cubicle.
8.1.5.2 Rack into the associated switchgear cubicle a " LOAD SIDE" grounding and test device.
8.1.5.3 Using a high voltage detector, verify that the switchgear cubi-cle is de-energized.
8.1.5.4 Install 3 temporary grounding set on the grounding and test device phase terminals.
7
Maintenance Procedure ME-13-019 Motor Searir.g Replacener/.
Revision 1 and. Motor Cleaning 8.1.6 Proceed to the applicable section to continue the procedure.
8.2 EXTERICR INS?ECTION AND CLEANING 8.2.1 Ensure that secticn 8.1 has been performed.
8.2.2 Inspect the motor exterior for fcreign deposits, dirt, debris, and rust or corrosien build-up.
8.2.2.1 Remove dust, loose dirt and foreign deposits.
Use a vacuum cleaner if the motor is not totally enclosed.
A.
A soft-bristle brush should be used in conjuncticn with the vacuum cleaner to remove deposits more firmly attached to the motor surface.
B.
To remove other deposits, dampen (not wet) a clean cloth with an approved solvent and apply it to the motor surface.
Use. isopropyl alcohol in radiation controlled areas.
l C.
Change cleaning cloths frequently in any wiping operation.
8.2.3 Ensure that the motor has no loose or missing nuts, bolts, ey e bo'l t s, screens or other components.
8.2.4 Clean any existing ventilation screens and replace the filters (or clean the filter if it is the permanent type).
NOTE If motor leads require retaping, retape in accordance with ME-4-810, Low Voltage Power Cable Terminations and Splices, and/or ME-4-811, Medium and High Voltage Power Cable Terminations and Splices, i
8.2.5 Remove the motor's cable terminal box and inspect for proper ta ping, moisture, rust, defective gasket, etc.
8
Maintencnce Precedure ME-13-019 Motor Searing Replace =ent Revision 1 and Motor Cleaning i
8.2.6 Clean ter=inal box as necessary.
8.2.7 Reinstall the motor's cable ter=inal box if no further testing or P
maintenance is required.
8.2.8 Ensure the motor's ground connectien is tight and free of corrc-sion.
8.2.8.1 If.necessary, scrape paint and corrosion frcm the ground's contact surface and coat it with NO-0X-ID-A or equivalent grease.
8.2.8.2 Ensure that motor ground connection resistance from the motor casing to the ground connector is less than one ohm.
8.2.9 Continue the procedure or, if no further maintenance or testing is to be performed, proceed to section 8.5, Return to Service.
8.3 INTERIOR INSPECTION AND CLEANING 8.3.1 Ensure that secticn 8.1 has been performed.
8.3.2 Coordinate with Mechanical Maintenance to remove external ccaponents as necessary to gain access to the motor end covers.
8.3.3 Coordinate with Mechanical Maintenance to remove motor mounting l
bolts / nuts if required to facilitate removal of'end covers.
8.3.3.1 Disconnect motor and any other leads and ground connections if required (record on Attachment 10.1).
8.3.3.2 Remove the conduit or.the motor connection box as required.
8.3.3.3 Transport =otor to the Electrical Maintenance Shop for internal inspection if so desired.
8.3.4 Remove motor fan cover and fan if so equipped.
8.3.5 Remove motor end covers.
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Maintenance Procedure ME-13-019
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Motcr Bearing 2c;1acement Revision 1 and Matcr Cleaning 8.3.6 Remove roter.
8.3.7 If motor interior is visibly wet, dry out the =otor in accordance with ME-4-806, Dry-Out of Electrical Equipment.
8.3.8 Inspect motor interior for foreign deposits, dirt, debris, and rust or corrosion build-up, and clean using one or all of the methods indicated below.
8.3.8.1 Remove dust, loose dirt and foreign deposits using a vacuum cleaner.
A.
A soft-bristle brush and approved solvent should be used in conjunction with the vacuum cleaner to remove deposits more firmly attached to the rotor or stator.
- - - - r - = ======.
NOTE Remove brushes, if necessary, prior to applying solvents.
Mark brushes to establish brush positioning.
B.
To remove other deposits, dampen (not wet) a clean cloth with an appropriate solvent and apply it to the motor interior.
Use isopropyl alcohol for radiation controlled areas.
C.
Change cleaning cloths frequently in any wiping operation.
NOTE Use protective eyewear when using pressurized air to blow out motors.
8.3.8.2 Use dry low pressure air (not to exceed 30 psi) to remove any existing deposits.
10
Maintenance Procedure ME-13-019 Motor Bearing Replacement Revision 1 and Mctor Cleaning 8.3.8.3 It may be desi able, at the discretien of the EAS, to renove deposits using a hot water flush or steam cleaning equipment.
A.
If hot water or steam is used to clean the motor interior, the motor must be dried out in accordance with ME-4-806 before proceeding.
.8.3.9 Inspect rotor and stator for possible cracking, warping, separa-tion of windings, discoloration, loose or broken co=ponents, threading or streaking of commutator or collector surface, etc.
Consult with the EAS for corrective action to be taken in the event any discrepancies are found.
8.3.10 Use G.E. Glyptol or equivalent to touch up any superficial winding surface deterioration.
8.3.11 If for any reason a motcr is sent to an off-site service shop,.
perform an insulation resistance test in accordance with the applicable motor procedure and attach the results to this procedure before shipment and upon return to the job site.
8.3.12 Replace rotor.
8.3.13 Replace motor end covers.
8.3.14 Replace motor fan and fan cover, if so equipped.
8.3.15 For de motors,, replace brushes' as required, taking care to note proper positioning.
'8.3.15.1 If necessary, place a strip of sandpaper or crocus cloth l
between the commutator or collector and the brush, with the sanded side against the brush.
A.
Draw the sandpaper back and forth to remove any foreign deposits.
i i
B.
Hollow out the brush to the curvature of the ccm=utator or i
collector surface.
11 l
Maintenanca Procecure MZ-13-01c Revision i Motor Searing Eeplacemer.t enc Motor Cleaning C.
On the final strokes, draw tha sandpaper out only in the direction of rotation to allow full contact with the commutator or collector surface.
8.3.15.2 Kepeat step 8.3.15.1 for each brush.
8.3.15.3 Lift each brush and vacuum away any loose grit or brush l
particles.
8.3.15.4 Wipe the commutator or collector surface with a soft, clean cloth.
8.3.16 If removed, return motor to the location of installation.
Replace motor mounting bolts / nuts.
8.3.17 If disconnected, connect the motor ground connection (record on 0.1); ensure that the resistance from casing to ground is less than one chm.
-=
NOTE l
If necessary, verify correct rotation in accordance with section 8.3 of ME-7-006, 480 VAC and Less Squirrel Cage Induction Motors.
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8.3.18 If disconnected, terminate motor and any other leads (record on 0.1) in accordance with ME-4-810, Low Voltage Power Cable Terminations and Splices, anc/or ME-4-811, Medium and High Voltage Power Cable Terminations and Splices.
8.3.19 Coordinate with Mechanical Maintenance to align the motor with
~
its driven component; do not install coupling.
8.3.20 Replace motor's cable ter=inal box cover if no further maintenance or testing is required.
12
Maintenance Procedure MI-13-019 Motor Searing Replacement Revision 1 and Motor Cleaning 8.3.21 Continue the procedure cr, if no further maintenance or testing is to be performed, proceed to secticn 8.5, Keturn to Service.
8.4 BEARING REPLACEMENT 8.4.1 Ensure that section 8.1 has been performed.
8.4.2 If necessary, coordinate with Mechanical Maintenance to re=ove ex-ternal components to gain access to the motor end covers.
8.4.3 Coordinate with Mechanical Maintenance to remove motor coupling, sheave, etc., and mounting bolts / nuts if required to f acilitate motor bearing replacement.
8.4.3.1 Disconnect motor leads, ground connection and any other cables / leads if required (record on Attachment 10.1).
8.4.3.2 Transport motor to the Electrical Maintenance Shop for bearing l
replacement if desired.
8.4.4 Remove motor fan cover and fan if so equipped.
8.4.5 Remove motor end covers and any directly associated components.
8.4.6 Re=ove bearing retaining nut if so equipped.
p NOTE When using a bearing puller, ensure that pressure is applied to the inner race of the bearing in order to avoid damage to the shaft.
8.4.7 Remove the bearing from the shaft with a bearing puller or other method as approved by the EAS.
8.4.8 Remove all grease frem the shaft and end shield using clean cloths dampened with an approved solvent.
13
4 ME-13-019 Maintenance Procedure Revision 1 Mo:cr Bearinc Replacement ccd Motor Cleaning 8.4.9 Inspect the shaft bearing seat for any build-up, pitting or scars.
8.4.9.1 If any discrepancies are found, clean and pclish the seat using crocus cloth, light sandpaper or other method as directed by the EAS.
8.4.10 Coat the bearing seat and inside the end cover with a light coat of mineral oil.
- - m -=-
NOTE When selecting a replacement bearing, compare it closely to the re=oved bearing to ensure that a correct replacement is used (sealed and shielded bearings are almost identical'in appearance).
On safety-related motors, replacement bearings must be qualified 1E for use with the motor.
FE 8.4.11 Select the correct size and type of replacement bearing.
w NOTE I
Large bearings may req /1 ; L-ing in oil.
l Consult the manufacturer's instructions or the EAS for direction.
8.4.12 Enclose bearing in aluminum foil and place it in a preheated oven (at approximately 200 degrees F) for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or as datermined by the EAS.
8.4.13 Use thermal insulated gloves to remove the bearing from the oven.
8.4.14 Place the bearing on the shaft and hold it firmly against the 1
seat shoulder until it cools.
If the bearing will not seat 14
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. i 4
Maintenance Procedure ME-13-019 Motor Searing Repiccement Revision 1 and Motor Cleaning 4
1 properly without applying mechanical force, consult with the EAS for a solution.
8.4.15 Replace bearing retaining nut'if so equipped.
8.4.16 Replace the motor end ccvers and any directly associated Components.
. 8.4.17 Replace fan and fan cover if so equipped.
8.4.18 If the replaced bearing was not a sealed bearing, lubricate the bearing in accordance with ME-4-701, Greasing Electrical Equipment.
8.4.19 Rotate the motor shaft by hand to verify that motor will turn free of friction or binding.
8.4.20 If removed, return motor to the location of installation.
8.4.21 Replace the motor cable terminal box or conduit (if removed).
8.4.22 If disconnected, connect the' motor ground connection; ensure that the resistance from casing to ground is less than one ohm.
8.4.23 If disconnected, terminate motor and any other leads (record on 0.1) in accordance with ME-4-810, Low Voltage Power Cable Termination and Splices, and/or ME-4-811, Medium and High Voltage Power Cable Terminations and Splices.
8.4.23.1 If necessary, verify correct rotation in accordance with ME-7-006, 480 VAC and Less Squirrel Cage Induction Motors, section 8.3.
8.4.24 Coordinate with Mechanical. Maintenance to aliFn the motor with its driven component.
Do not install coupling, sheave, etc.
8.4.25 Replace motor's cable terminal box cover if no further maintenance or testing is to be performed.
+
15 h-m
Maintenance Precedure MI-13-019 Motor Bearing Replacement Revision 1 and Motor Cicanins 8.4.26 Continue the procedure er, if no further maintenance is to be performed, proceed to section 8.5, Return to Service.
8.5 RETURN TO SERVICE 8.5.1 For medium voltage motors, perform the following:
8.5.1.1 RemcVe the temporary grounding set from the grounding and test device.
8.5.1.2 Rack out.the grounding and test device from the switchgear cubi-cle.
8.5.1.3 Have Operatiens replace and rack into the associated switchgear cubicle the circuit breaker.
8.5.2 Have Operations clear any safety tags.
NOTE If excessive vibration is evident or if the run-ning current is abnormally high, immediately have Operations stop the motor.
If excessive vibra-tion is evident, coordinate with Mechanical Maintenance to perform a vibration analysis test.
8.5.3 Perform a motor run-in, if required, in accordance with the applicable motor procedure and attach the results to this procedure.
8.5.4 If not already done, have Operations stop the motor and safety-tag the motor power supply.
8.5.5 Coordinate with Mechanical Maintenance to install coupling to driven component and any other associated equipment.
16
)
Maintenance Procedure MI-13-019 Motor Bearing Replacement Revision 1 and Motor Cleaning-8.5.6 'Have operation clear the safety tag on the moter's power supply.
8.5.7 Notify the Nuclear Operations Supervisor (NO3) that maintenance and testing have been ccmpleted.
9.0 SETFOINTS N/A 10.0 ATTACHMENTS
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10.1 Motor Bearing Replacement and Motor Cleaning Data Record Form 11.0 COMMITMENTS AND REFERENCES
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-se PRE?AZATION STZP No.
~':ITDLJ/ SAT?
i 3.1.1 Prerequisites completed.
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8.1.3 Pcwer source safety tagged.
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8.1.4 Verified absence of voltage (lcw voltage).
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8.1.5.3 Verified absence of vcltaSe (: edium voltage).
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S.1.5.4 Crounding set installed.
/
EXTERIOR DISFICTIC:i AND CI.EANING 8.2.1 Section 3.1 performed.
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8.2.2.1 A.3.C.
Motor cleaned as indicated.
/
8.2.3 Tightened any loose nuts, bolts, components etc.
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8.2.6 Cleened cer=inal 60X.
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8.2.8 Ground connection tight, free of corrosion.
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8.2.8.2 Resistance case to ground ches(less "han
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- U - _ _ _ __ = _ _
DITERIOR DiSPEC* ION AliD CLEANING 8.3.1 Section S.1 performed.
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8.3.7 Dried out motor (if needed).
/
S.3.S
. Cleaned as indicated.
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8.3.9 Inspected rotor and stator for visible deficiencies.
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8.3.10 Touched up windings (if needed).
/
S.3.11 Insulatien resistance tested (if required).
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8.3.15 Seated brushes (if so equipped).
/
S.3.17 Resistance case to ground ohms (less than 1)
/
BEARING REFI.ACDENT 8.4.1 Section 8.1 performed.
/
4 ME-13-019 Revision 1 18 0.1 (1 of 3) e
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MDT0?. BEAROiG REPLACCCC AND MCICR CLEi;;n;0 e
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UND NO:
SYS. NO.
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BEARING REPLACELEST 9 M NO.
INITIALS /DATE 3.4.7 Re=cved bearing.
/
3.4.10 Coated seats with eineral oil.
/
3.4.11 Selected correct size bearing.
/
3.4.12 Haated ben-ing to degrees.
/
8.4.14 Seated bearing.
/
8.4.18 Lubricated (ftf required).
/
8.4.22 Rcsistanca case to ground ohms (less than 1)
/
8.4.23.1 Verified rotation (if necessary)
/
i
=
RETURN TO SERVICE 8.5.2 Safety tags cleared..
/
8.5.3 Perfot:nd motor rm in (if required).
/
8.5.7 Ccorr'f nsted with Machanical Maintenance.
/
/
-8.5.9 Notified the NOS cf cou:olecion.
MEASURING AND TEST EOUIPMEIC M&TE NUMBER DESCRIPTION CAL. ::UE DATE REFARKS:
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?ERFORMED BY:
DATE:
VERIFTED BY:
DATE:
REVIELE BT:
DATE:
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