ML20235X065
| ML20235X065 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 10/10/1987 |
| From: | Mcguire R TENNESSEE VALLEY AUTHORITY |
| To: | |
| Shared Package | |
| ML20235X032 | List: |
| References | |
| SMI-2-74-1, TAC-R00233, TAC-R233, NUDOCS 8710190188 | |
| Download: ML20235X065 (24) | |
Text
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1 SPEC?AL P'A I fa TENANCE INSTRUC7 ION -
l SMI-2-74d 1 i
REPAIR OF 2-rCV-94-2 !
Unit 2 i
I Freparea byP _
Ron McGu:re __
Revised by: ,,N/A Submitted by: _,
Superviser PO9C Review: _ lO[(o/ 97 Dete ~
r Approved by: ._
Plant Manager Date Approvec: (Oho [g7 n
The current revision level of this instruction is: _. 0 ,
Reason N_e numbers): for current revision (includetemporary w instruction al1 change The last page of thic instruction is number 22 ,
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8710190180 071012 PDR h P
ADOCK 05000327 I PDR -
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'4, Seouovah Nuclear Plant Plant Instruction Revision Log l
Special Maintenance Instruction SMI-2-74-1 i I
Rev. Level ;\
Date Aopreved Paces Affected i Reason for_ Revision I n
All New Instruction I
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SMI-2-74-1 !
Page 1 of E2 Rev. O .)
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DATA PACKAGE COVER SHEET l Sneet 1 of 1 l REPAIR OF 2-FCV-74-2 SMI-2-74-1 '
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Section A l PLANNER COMPLETES THE FOLLOWING PRIOR TO BEGINNING WORK:
i EQUIPMENT IDENTIFIER: 2 - F CV - 074 -2 COMPONENT NAME:
RHR SYSTEM ISOLATION VALVE CSSC EQUIPMENT X YES NO STEPS OF INSTRUCTION TO BE PERFORMED (Note if all of tne instruction is to be performeo, write in the Woro ALL.
be If only portions performed "N/A".) are to be cerformed, mark the SMI steps-not to 1 INITIATING DOCUMENT: i l
PLANNED BY: _. 1 (Planner' j
- *sSection Name)*B
- * * * * * * * * **+,*******,**
- e * * + * * +. * * *
- THE FOLLOWING IS TO BE COMPLETED AFTER THE WORK IS FINISHED:
DATA PACKAGE APPROVERS ARE TO REVIEW DATA PACKAGE FOR COMPLETENESS, SIGN SIGNIFYING THEIR APPROVAL. COMPLETE APPROPRIATE AREAS WITHIN AND NUMBER OF PAGES ATTACHID:
(All pages which contain data (Not counting are to be attached and the data pk( number of pages noted cover sheet) at left. All other pages are to be d.iscarded.)
DATA PACKAGE APPROVAL:
__ DATE FOREMAN DATE GENERAL FCREMAN DATE COGbICANT ENGINEER
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Rev. O 1.0 PURPOSE'AND APPLICABILITY _
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The purpose of this instruction is to describe the proc edure for i the disassembly, inspection, repair, and reassemoly of 2-VCV-74-2. {
This valve.has a packing leak caused by a cent stem.
and the leakage has causeo corrosion !
of the bonnet bolting. The I work.to be performed will consist of: replacement of the stem, inspection and repacking(and of replacement the valve. if recuired) of the bonnet bolting, This work NRC will cewill be cons in Mode 5; appropriate approval fecm the recuired.
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2.0 REFERENCES
2.1 Cooes-Vulcan valve.. Contractvendor 91934 manual for 14" motor operated gate 2.2 N2M-2-51F Vendor drawing E-1-144831 2.3 TVA drawing 47W810-1 2.4 Weld mao 2-RHR-247W l
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3.0 PREREQUISITES l
As in the steps leftare completed, place a cneck mark in the space provided margin.
C3 3.1 A work request shall be issued to perform this work. Record WR number on the Data Package Cover Sheet.
! C3 3.2 All support support will organizations should be notified that their be necessary during the course of the work.
(Ref erence SDA-199 Work List).
C3 3.3 Operations approval SRO/SE sign on shall be obtained by having the unit 2 the appropriate space on the WR.
[ ] 3.4 Obtain a Radiation Work Permit from RC.
- J 3.5 Contact the cogni: ant replacement engineer of bolting ano to complete M1-6.21 for any other parts, for ASME Section XI requirements. pressure-retaining
_ ? 3.6 Notify Electrical Maintenance that MI-11.2B will be required for motor actuator disconnection and reconnection, and-that resetting of limit and torque switches will be required.
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SGt4 SM!-2-74-1 i Page 3 of 22 '
Rev. O '1 1
3' 3.7 C
Coordinate with Cperations i sr.c vent noses. Document cenTiguration o inst 611 all necessary crain A. changes in Appencir l
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All WR's to be used in succort of this work should'be i planned, system from approveo.
service.ano available prior to removing the RHR 4
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C3 3.9 j Bonnet, stuos, beginning work. and nuts snall be tnoroughly cleaned prior to l All prerequisites met:
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Fereman Date I j
4.0 PRECAUTION 9 4.1 Take sopropriate measi;res to prevent foreign objects from (
entering the per instructions open valve body. Follow housekeeping SOA-66. l 4.2 \
Disassemble .alve in "midstreke" position. $
4.3 Follow all instructions given on RWP.
4.4 Do not scratch packing box wall installing packing. or stem when removing or \
4.3 Wipe off any excess lubricant after application.
4.6 All lubricants, marking pens, etc. which may come in contact with RCS shall be approved for use per SQA-160. .
1 4.7 Valve should not be strokeo " dry".
5.0 PREPARATION FOR WORK C3 S.1 The craft survey the personnel jobsite should review the work instructions and ano determine tool and rigging requirements, adecuacy of lighting, laydown areas, and other job particulars. Since this job will recuire loss of-RHR to l
theensure to RCS, ait smooth is verywork important that this review be performed.
because of insufficient flow occurs tools, without rigging, etc. loss of time 3 S.2 Appropriate containers for available. storage of small parts should be 1
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'f c SON-SMI'-2-74-l' i Page 4 of 22 Rev._O 'I s
C- 3 5.3 Refer to Appendix:B for documentation-requirements. parts required and(traceability for this job: in Appendix B. Log all. parts and materials used;
.i C3 '5.4 Obtain all-thread 11 " + 1/8" in rod.from Power StoresLand cut into. studs-shall be-ASME SA-193 Gr. length:(16 studs required).1A11-thread rod B7, 1-3/4"-8.
i to document' transfer of heat numbers below. . Request QC-inspector Heatenos.' transferred: '/
OC Inspector.
Date L3 5.5 '
Request DC to perform VT-1'inspec' tion per TI-51, N-VT-1, studs. QC shall attach ' data sheets on below, foreman shouldindicating acceptable results.~(Ifidesired,to the WR package and request QC to furnish blank'N-VT-1 data
-sheets. This request should.be'made when initial'ly contacting QC to perform this examination.):
- N-VT-1 results acceptable:
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QC' Inspector Date E3 5.6 Request EM to electrically disconnect MI-11.2B.
Valve should be left in the "open" the motor' actuator position. per-
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Foreman Date t 3 5.7 Establish communications with the main control room.
Communications shall is being performed onbe maintained at all times while work the valve. Record phone- numbers at:
jobsite and at main control room below. ,
Jobsite # l Main Control Room #
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C3 3.8 Obtain proper permits for grinding and welding. ,
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1 Foreman Date I t 3 5.9 .The cognizant engineer persons who will be necessary shall.make himself aware of those ,
and shall know how'to contact to make. emergency evaluations,
! a minimum,1 representatives:of PORS, Regulatory'Licensingthose:y ,
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SMI-2-74-1 j Page 5 of 22
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Rev. O 6.0 PERFORMANCE OF WORK
-NOTE: I Steps may be worked simultaneously or out-of-sequence at i the discretion of the foreman or the cognizant engineer, provided Document results and nuc1 ear safety are not affected.
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I any configuration changes on Appendix A.
This work will require that the RHR system be isolated i from the RCS. Since there will be only limited means of {
providing decay heat removal from the core, a temporary j cover will be available for installation on the valve body. This cover will serve to restore RHR system integrity, and its design is such that the RHR system may l be placed into service with it in place. Should Operations i declare the need for RHR, the craft shall IMMEDIATELY l suspend all work pertaining to valve repair and begin !
installation of the cover. For this reason, all work j activities installation of shall be performed in such a manner so that For example: the cover can be performed expeditiously. l I
i If replacement is required, studs should not be removed I Studsreplacement until studs are available for installation. )
should then be replaced one-at a-time. !
- Nuts should be accessible and easily found at all times. ;
- Thejobsite. cover and a bonnet gasket should be stored near the l
Installation Appendix C. instructions for the cover are given in Record WR # used to fabricate cover: ___
DISASSEMBLY _
C ] 6.1 Obtain temperature properand clearance pressure)from willOperations. RCS condition (ie, Prior be established per 50I-74.2.
mid-stroketo draining the piping, 2-FCV-74-2 should be placed in position.
Hold Order #
.m SON SMI-E-74-1 Page o of 22 Rev. O i
E3 6.E Loosen and remove bonnet nuts.
CAUTION: Some nuts, equally spaced and hand-tight, should remain installed should untilasthe stand bonnet is " cracked" open. Personn=1 clear as possible of the leakage patn.
~C ] 6.3 Loosen torque car and packing gland. l E ] 6.4 i Match mark the bonnet to the valve body. l I J 6.5 Grind out of the weld cn the coupling on the leakoff piping for I
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removal the bonnet. i E ] 6.6 l I L1ft the actuator / bonnet assembly clear of the valve body. I Attach rigging to actuator such tnat damage to valve disc and that seat will beare the discs avoided. Wheninstall accessible, bonneta isclamping lifted to a point the discs to compress device on the disc discs from contacting the seat faces. spring. This will prevent the CAUTION: Do not allow the discs to clear the seat ring unless the clamping device has been installed. If necessary, declutch the actuator while lifting the bonnet and use handwheel to close valve to maintain engagement until I clamping cevice'can be installed.
C3 6.7 Use marking pen to indicate flow direction on gate discs assure proper reinstallation. to L [ 3 6.8 After bonnet temporary co' has been movec cut of the way, set the .
any problems-are rr on the valve to ensure it fits properly. If encountered, notify the cognizant engineer immediately. After verifying the cover fits, store it in a nearby gasket. ~readily accessible location, along with a bonnet
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Maint. Rep.
Date C3 6.9 Remove cisc assembly from stem.
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6.10 Remove stem "unthreading" from frombonnet / actuator. Stem may be removed by actuator or by placing the actuator In
" manual" operation, holding the end of the stem (to prevent it from turning), and using the handwheel to screw the stem out of the bottom of the actuator.
NOTE:
Stem has left-hand threads.
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w SON SMI-E-74-1 Page 7 of 22 Rev. O C3 6.11 Remcve bonnet from actuator, either by removing the 1 actuator-to yoke bolting or the yoi.e-to-bonnet bolting.
fRemoval of the yoke-to-bonnet bolting is preferred.)-
INSDECTION NCTE:
Minor' scratches, using emery clothnicks, and gouges may be blended or' dressed or similar '
(unless'otherwise noted). More severe damage.may reouire reo'lacements contact the cognizant engineer for evaluation if necessary. It should be noted that the schedule lapping'or blending. forIfthis thework doesof condition not theallow partmuch-time-for is ..!
questionable, unless only a very small be required to correct the condition, the amount of tine wil]
craft should either replace evaluate. the partonly In general. or reauest the cognizant engineer to affect valve operability willthose deficienc:es which.may be corrected. Other deficiencies will be noted and scheduled for repair at the next RFO, when the unit is'defueled and special NRC permission is not required to' perform the work.
Refer to Accendix 9 for spare parts, TIIC numbers, and traceability requirement information.
i C3 6.12 Remove packing and chanber for damage and clean packing chamber. Examine packing take C3 corrective action if required. i 6.13 Clean 1 anc examine backseat. Record results below.
Condition cf backseat:
Act2on taken: C 3 No action required C
3 Scratchos/ nicks / gouges blended s
C 3 Replacement for evaluationrecommended: contact cog. engineer
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Craftsman Signature Date 1
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Page 6 of SE i Rev. O ]
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6.14 Clean ano exam 2ne discs. Do not use emery cloth to remove scratches; if refurbishment is requirec, use lapping
- ompouno. Recoro results celow. '
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Conoition of discs: i 1
Action taken: C ] No act2cn reouired i l
[ ] Scratches /nichs/ gouges blended j j
C 3 Replacement reouired: 575 # and traceability is documented in Append 2x 9. )
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Craftsman Signature Date C ] l 6.15 Clean and examine seats. Do not use emery cloth to remove scratenes; if refuroisnment is required, use lapping comonuno. Record results below. !
I Condition of seats: i j
Action taken: C ] No action requirec E ] Scratenes/ nicks /gcuges blended C 3 Replacement -
recommenced: contact cog. engineer for evaluation 4
/ b Craftsman Signature Date 6
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g SCN SMI-2-74-1 i Pace 9 cf UE Rev. O
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6.16 Clean ano exami.1e all other parts and bonnet (except stem. I wn2ch will be rapiaceo). When examining the bonnet, devote special attention to the area through which the stem oasses, Remove any nicks or uoset metal with a file or tv lignt j grinoingbelow.
results if necessary, to prevent damage to the stem. Record !
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Condition of parts:
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Action ta<en: C J No action reouired
[ ] Scratches / nicks / gouges blended E 3 Replacement required- 575 # anc traceability is documented in Appenoix S. )
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j QC HOLD POINT:
OC Inspector shall perform inspection of interior of valve booy, bonnet, and pressure-retaining parts per step 6.17. Valve reassemoly shall not proceed until this step is completed
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or waived by the ISI group. i C ]
6.t? Perform a VT-1 inscettion por TI-51. N-VT-1. examination {
l category B-M-2, on the body, pressure-retaining parts, and i bonnet. Attach a copy of the completed data sheet to the WR package. Ishen notifying QC to perform this inspection. the ,
foreman sheet. should request the inspector to furnish a blank data l Performed: /
l GC Inspector Date
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' EOh CM1-2-74-1 Page 10 of 22 Rev. 0
'C 3 6.1E Tecrou;nly c 4 ea r, the acnnet ilange, gasker surface. stuos, anc nuts. If necessary, use a cie nut to clean tne tnreaos of the stuas. Tne cognizant engineer and a metallurgical eng:neer shall examine and record results below.
Condition. l
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Action taken: C ] No action requireo 4 l
E ] Threads cleaned with die nut !
E 3 Replacement requireo: Stuos/ nuts requiring replacement shall be.icentified for craft l Cog. engineer:
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Meta lurgy: '
CC HOLD COINT:
OC Inspector shall perform inspections on bonnet studs l
and nuts per step 6.19. Valve reassembly shall not proceed group. until this step is completed or waived by ISI !
1 3 6.19 Perform a VT-1 inspection per TI-51. N-VT-1 on the connet 1 stuos and nuts. Attach a copy of the completed data sheet to the WR package. When notifying QC to perform this insoection, the foreman shoulo request the inspector to furnish blank data sheets.
Performod:
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OC Inspector Date NOTE:
If a stud fails a VT-1 inspection for which the metallurgical engineer can provide written justification to use-as-is, that stud shall not require replacement.
Otherwise, any stud or nut failing the VT-1 exam shall be reolaced.
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SON SMI-2-7c-1 Page 11 of 22 Rev. O REPLACEMENT 0 STUDS (!F FFOUIREqj OC HOLD FOINT:
OC Inspector shall verify luericant used in steo 6.20 AND traceability (see Anpendix B) and sign off in the appropriate soace follcwing the step.
E3 e.20 If required, replace bonnet studs. The cognizant engineer snall be responsible for determining which studs. if any.
require replacement. Studs shoulo be replaced one-et-a-time: {
if more than one crew is working on stud replacement, tnen l eacn crew should remove only one stud at a time (maximum of two studs removed at any given time). Use care to avoic galling during removal and installation of replacement l
stuos. These guidelines should be followed:
' - Remove existing studs slowlv to prevent galling.
Those studs which are corroceo the worst should be reolacea first.
l l - After removal, clean the valve cody flange and threads thoroughly, and inspect threads for damage and loss of metal damage due to corrosion.
/ metal Notify the cognizant engineer if loss is found.
- Wnen installing replacement studs, use thread lubricant (Neolube, Dag 156, or equal) and install slowly (eg, ao not " spin" in). Verify a maximum of 9-1/2" of the stud extends above information tothe
- Complete the Table 1.
be valve recordedbodybyflange.
craft.) (Stud height (Stud numoering method may be determined in the toroue secuence is field: numbering to correspond with recommended.)
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Paae 12 of 22.
Rev. O T A Bt.E 1 i
' NOTE: Enter "N/A" 1 in the CC inspector do not require replacement.
space for those st;uds which Stud it Damace'matal loss found? Stud Mr. QC In=cecto- '
Date I 1
1 1
Yes / No
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2 Yes / No .I 1
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a Yes / No
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Yes / Ido
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5 Yes / No
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6 Yes / No l
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1 7 Yes / No !
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8 Yes / No
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9 Yes / No
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10 Ves / No !
/ 1 11 Yes / No
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12 Yes / No
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13 Ves / No
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14 Yes / No
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15 Yes / No
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16 Yes / No
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, SON SMI-2-74-1 Page 13 cf 22 Rev. O OC HOLD FOINT:
OC Inspector shall verify luccicant used in step 6.21 and sign off in the appropriate space following tne~
step.
C3 6.21 Reinstall bolting removed ir step 6.11 and install replacement stem. (Ee sure to install toroue bar, r. a c k i ng gland.
Neolube, Dag 156 gland follover. and lantern ring.) Lubricate eith or equal. and inread ap p r o ): imately 2/3 of tne stem into the actuator. (Once the stem is started into the actuator thresos, the hanowneel may be used to craw the stem into the' actuator.)
Lubricant verified: /
OC Inspector Date REINSTALLATION C ] 6.22 Ensure all parts and valve interior are clean.
OC HOLD POINT:
Verify valve intorior B cleanliness and all wetted parts meet Class per TI-70.
Verified: /
CC Inspector Date C ]
6.83 per Reinstallflow markings disc assemoly made on stem.
in step Orient assemoly properly 6.7 -(N/A if discs were replaced.) Ensure stem is centered with the disc retainer.
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Craf.tsman Signature Date
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6.24 Install new bonnet gasket and canopy ring and lower bonnet assemoly onto volve. Align discs for proper engagement with seat rings; after engagement, remove clamping device. Also, ensure body-to-bonnet matchmarks are aligned. Visually verify the stem is centered in the packing chamber.
CAUTION: When lowering bonnet, do not allow discs to seat in the "closec" keep the position. Use actuator in " manual" cperation to valve in mid-stroke.
Verified:
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Craftsman Signature Date 1
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o SMI-2-7a-1 Page 14 at 22 Rev. O OC HOLD COINT: CC Inspecter small verify lubricant used :n step 6.05 AND traceab;lity (see Appendix 3) and sign cff in the appropriate space following the step. .
C3 6.Eb After connet nas oeen fully lowered into posit:on. lubricate 4 ecually-spacee utud threaos and 4 nut faces with )
l Neoluce/Dag 156 or ecual and install nuts hand-tignt.
Lubricant L traceability verified:
/ j QC Inspector Date j i
[ ] 6.26 Verify valve is in mid-stroke.
Verifieo: /
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Craftsman Signature Date OC HOLD POINT:
QC InsDector shall verify lubricant used in steo 6.27 i l
AND traceability (s.ee Appendix B) and sign off in tne i
1 apprcorlate space fo;]owing the step.
CJ 6.27 Lubricate remaining studs and nut faces with Neclube/Dag 156 or ecual and install nuts. i Lubricant L traceability ver ifleo : /
QC Inspector Date i
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SON SMI-2-74-1 Page 15 of 22 Rev. O QC HOLD POINT:
Verify intermediate and final torque values per step 6.28, and ensure M&TE ID # and cal. due date are recorded.
Verified: /
QC Inspector Date C ]
6.29 Torque nuts in a criss-cross pattern as follows. Record torque wrench and multiplier (if used) ID numbers and cal.
due dates in the appropriate spaces following the step.
Pans #
QC Inspector '
Toroue, ft-lbs Initials / Date 1
150 /
2 350 /
3 600 /
4 900 /
5 1200 /
Final 1500 /
ML TE INFORMATION Tool Used / pass # ID # Cal. Due Date s
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S O SON SMI-2-74-1 Page 16 of 22 Rev. O C3 6.29 Install packing as follows:
- Install wiper ring.
Install six rings of packing.
- Install a wiper ring and the lantern ring and verify its location corresponds with the leakoff piping; add or remove packing rings underneath the lantern and wiper as necessary.
- Install a wiper ring and then continue adding packing up to approximately 3/4" below the top of the packing chamber.
- Install a wiper ring and packing gland.
Packing installed correctly: /
Craftsman Signature Date C3 6.30 Tighten packing gland and torque bar. ;
l C3 6.31 Re-weld leakoff pipe to coupling per SOM-17 and MLAI-1. Use DWP GT88-0-1. i 1
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Welding performed: /
1 Craftsman Signature Date 7.0 POST-MAINTENANCE TESTING AND RETURN TO SERVICE NOTE: Perform testing per AI-47.
C ] 7.1 Release hold order and request Operations to fill / vent system per SOI-74.2. System may be placed in service at the discretion of the SRO.
NOTE:
The clearance on the motor actuator should not be lifted until EM has set the limit and torque switches (step 7.3).
If the valve is stroked using the actuator before the switches have been set, possible damage to the valve and/or actuator may result.
Post-maintenance testing may be postponed by Operations if the RHR system is required to provide cooling to the RCS.
C3 7.2 Manually stroke valve through a complete cycle to ensure no binding occurs.
Verified: /
Craftsman Signature Date l
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, SON SMI-a-74 Page 17 of E2 Rev. O E ] 7.3 Recuest EM to reconnect actuate- n.o t o r and set limit and-torque switenes per M!-11.25. and verify proper setting Der MI-10.95.
Notifiec: /
?oreman Date i t ] '/ . 4 Inspect for tennec and ca:xing leavs: valve snould be strched curing this insoertien. If bonnet leakage occurs, contact tne cognizant eng2neer: if packing _ leaks are found, tighten packing. (Be sure to check leakoff line for signs of i leakage alsc.' If packing is a d ,i u s t e d , contact EM to i re-perform M1-10.63.
Inspection results/ Action taken:
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Maint. Rec. Date i
t ] 7.5 Notify the following sectione to perform PMT SI's.
SI-166.6 - Coerations S1-166.19 - Mechanical Test Notifiec: /
t Foreman Date I
C ] 7.6 i Recuest the Unit 2 5RO/5E to sign in the WR package that Operations was notifleo that work is complete. .,
C ] 7.7 Verify area was left clean per SQA-66.
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Foreman' Date {
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wa SON SMI-2-74-1 Page IS of E2 Rev. O AccENDIX A Configuration Cort ci Leo Sheet o f-1.
If configuration changes are recuirec. the SE/SRO on the affected I unit shall be notified. He small sign and date below to
' acknowledge his no ti f i c a t i o n ,
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All changes snail be recorded celow in sufficient detail to uniquely identify it. Accitional cceles of tnis sneet may oe 3.
mace, if necessary; consecutively number each sheet.
Two-party verification is required to verify the change is made 1 as described. Initial and date in the "Cnangeo By" column after j the change has been implemented.
4.
When returned to normal, document and verify by two-party
- 5. initials anc cate in the " Return to Normal" column. l TACF or M1-6.20 is not required for inoperaole systems wnile this log is being usec.
6.
When work is complete. the foreman shall notify tne SE/SRO tnat the configuration is returned to normal, and sign and date below on the approorsate space.
SE/SRO notifiec: / /
Signature Time Date
,flouration chanoe(steo 2) Chanced Sv(step 3) Return to Normal (steo 4)
Init. Init.
Init. Init..
Date Date f
Init. Init.
Init. Init.
Date Date Init. Init.
{ Init. Init.
Date Date l
i Ocarations notified work is complete.
i Notified by: /
Foreman Signature Date 1
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SMI-2-7*-1 Pace is cf E2 Rev. a 3'T 4cPEND!Y 9_
Sheet I cf 2 SPoaE cc4TG Part name Dwa. : tem e TIIC o ,
't Bonnet G a s >. e t 2 AJJ-534H Disc Spring 3 AWN-8060 Disc l Seat Ring 4
AXF-624vo Note 1 5 AXC-019K -'
Dist Holcer 6 AXC-018M l Stem 7 AVN-55 V-i l
Frame Note 2 10 BBR-259D Canopy Ring 23 AWG-366Q 1 Upper Disc Plate 24 AXC-017P g Lower Disc Plate 30 AXC-016R '
Backseat Cellar 37 AXC-010H Pecking -
AJK-451G Note 2 Wiper Rings ADR-591V ;
Neolube/Dag 156/ Equal -
Note 2 1 AHX-887W Note 2 Bonnet Nut 12 Req. 87-2683 Note 1,2 l
Bonnet Stuc 11 Rec. 87-2683 Note.1,2 i
Note 1: Recuires ASME Sect. XI/ MI-6.21 planning and traceability verification by QC.
Note 2: Minimum spare parts required for this' job.
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MATERIAL USE LOG =
Recore used for the this575 job,w anc cate for all materials (parts, lubricants. etc.) . .
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_. PArt name 575 # / Date ,_ .
Stem
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Studs /
Nuts 4
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Threac Lubricant /
Packing
/
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Wiper Rings
/
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Recorded by:
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4 SON SM1-2-74-1 Page 20 cf C2 Rev. O APOEND!X 9 Sheet 2 cf 2 TG ACE AB IL I TV When ootaining material from Fower Stores which recuires traceability, the craft shall place a copy of the 575 with the material Angf a ccov of the 575 in the WR package. At Installati:n. OC snall verify that the 575 with the material matenes the 575 in the WR package, and shall sign in the appropriate noace in the becy of tne SMI for the studs anc nuts, and below for any other carts e-laceo.
Part name Traceability veri ied/Date
/
QC Inscector Date
/
GC Inspector Date
/
QC Inspector Date
/
OC Inspector Date
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,-, SQi1 EMI 74- 1 l Page E1 of 52 l
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hev. 'O j l- t , e 4 l APPEND: V .S,, -
Sheet 1 01" E INGk ALL A.T I ON CF TF"MPCRc RY CCVER 't
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- 1. Recora last yteotph cerfcemea snd place @ere work Was stopped:
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Foreman Da te , '
2.
If necessary, install stuos. move ' interfering par ts. etc. so that (
the cover may be installed. '+ , ,
- 3. Clean valve connot $1ange anc valve internals. -
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OC HOLD POINT: Verify valve interior.and Wettpd part of cover meet l
Class B cleanliness per' TI-70.
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Verified: /
OC Inspector '
Date 4 Install cover Wi tia a new donnet gasket. Document as a i configuration change on Appendix A.
5.
Lubricate stuos and nut faces and install hand-t.(ght.
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'6 V SDN SM I-2 -To- 1 Page 22 of 22 Rev. O APP 6ND.!X C j Sneet 2 of 2 1
DC HOLD POINT: Verify intermediate anc final torque values and sequence per creo :. anc ensure METE :D # and cal. cue date are recorood. l l
Verifisc- / t CC Inspector Date
- 6. Toroue nuts in a criss-cross pattern as follows. Recora toroue wrench and culti;11er (if usec) ID numbers and cal. due cates in the aporocriate spaces follow:ng the steo.
QC Inspecter l
. Pass 4 ~orcue, ft-!as Initials / Date 1 150 /
2 350 /
3 600 /
4 900 /
5 1200 /
Final 1500 !
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1 M L TE INFORMATION Tcci Used / cass #: ID a Cal. Due Gate Recordec by:
- 7. Notify the SE/SRO ano the cognizant engineer that cover is in place.
SE/SRO L cog. engr. notified: /
Foreman Date NOTE: Prior to releasing hold order. a TACF will be required.
S. After TACF nas been approvec. release held order to SE/SRO.
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Foreman Date 9
When RCS temperature has seen re-established within acceptable limits for this work to continue, obtain hold oroer, remove cover, and begin work at tne point.at which it was halted. If-hold order numoer is different tnan that recorded at steo 6.1.
recora the new number also, and make note in the remarks section following step 7.7.
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