ML20085A871
| ML20085A871 | |
| Person / Time | |
|---|---|
| Site: | Three Mile Island  |
| Issue date: | 09/11/1978 |
| From: | Roy D BABCOCK & WILCOX CO. |
| To: | King L BABCOCK & WILCOX CO. |
| References | |
| TASK-*, TASK-GB GPU-0453, GPU-453, NUDOCS 8307070351 | |
| Download: ML20085A871 (12) | |
Text
- . _.
- -- -_ -n - - -- -
~' 1 -3,
.:.n 3 b a _ - le _
~ ,. . - . . -
~ .. -
v,:. .._.:-.._.1 .
L
- d. .
M
/ m .s To
' L NCHBURG.VA.
BABCOM & WIMI U* "*
septe%r 11. 1978 _
4
' I Larry. .
d out as soon as possible t ,
1-The attached SPR's and SPR cocment form:::s tion you areneed taking to or be closePlea with Paul Perrone.
position with respect to these valve ;':roblems and what acdo not becoae chr
- needs to be taken to help assure that- these problems l
i ~
\ .
I
' DHR:rw .
. Attactpents
. cc: L. J. Stanek ['
t
,p, E. Perrcae s t
i i -
1 i i b bfO a
dea. Exh. For ID 4 (3 nc - ~, e..e , e.I
'I
- rTr. u ri. ass a.
1 .
Charles Shapiro.CSR g3 '
Doyle Reporting Inc. ,
/o e ..
l I i
! l.
c
. 2 8307070351 780911
- PDR ADOCK 05000289 HDL l
k P
- e.rE .
~
w_
~~
l 31SL 2 Bl.. .
. siisT O J~si -
, . . mm ' e'= m
'.. :s - . ._
. . . _ , :.a. _-_ -
.J _
s)
.F -
- ~64 . SPR Ccanent Form L
Connent sa. no._ - --I R
, . . -l. ..V' 1.v -
i 1 .
spa , g
!! : 7 f- . .
.. 3;g3,: l_!e _. 7 ?>> Yen' Q :/ '~ 5 ' ? .
} m -
i c ,, c 7 f
,.: o,e,.
s - j l .
I 3 3,ve reviewed the above :PR/ Resolution and have the following con r fyyiRfc'VL
^
\ .
Ii fph 572 $PPC'h * - - Cc,c ,- .
-. - / 9 0 7- r-/11c W2 e. -
i i
r*
G t.; j To Jt:u-
'Q l(V)I JC K.6- U C t-gg,y
\.
g4j/ 4}{l (C# ** DV 7 -
$ U 'I A /C !
g , rg f it t t. [ ?! V e l: .
!~ A ' ' ' g g f/-Aib -
4% c g- cp *hN<t. .
l . E Ey 7i/z ". Ut hcw?
pgp,pikn.,E-,s! CO ?! .
. . . .. z .. . . . . - - . . -
,.h i
. f,j C Please constear these connents in your resolution; no rep 1 I would appreciate a Q'Please incorporate,cf *
.-*.'resolve these cocents. indicating how these ccatents have reply by
'. ; been resolved./ v '
?
y*4. I ?;* -
) .S. <..
P. E. Perrone.' Ext. 2105 64 8 t
-m '- '~'
'N,, . .
D 31S[098.t51' . e. us .. . El5 n.. D. -t
-.- ~-
._~..~.--....u~~,.~ ~: m ._ -
~
o g
*. B' amp-20345 (6-78)
- r-- . .
'* 4ti;8;.
j M SITE PROSLE2{ ,- J. 7 REFORT TRANSHIITAL ' t i
~
O **** C1.ZARED ****
$' .I 8
To: Change Control For Distribution- File: 13- 0 3 -(*10 1
- S. H. Klein - Quality Assurance ,
Conerset No.: 620-00. OJ SPR /d 7 f,
. central Ens:1.eerina Files 2.C.T3=,vhu - Task Intirteer(s) ^ Titles loss c4 ocey w.#
0."0.2u ct +>J J
- Project Snager Plow [t.# ?O Dates 7['#[7#
Status Code: C _ t .. I L. C. Rogers - MET. ED. P. E. Perrone
!. 1. R. r.i.e - xctzm J. R. Ilohart - Inti. Support
- e. u. g' I
- 5. A. Karrasch - Plant Integration Attached is one copy of Site. Problem Report Na, 61/. which was processed on Contract 620-00 o3 . Future contracts have been reviewed for the potential
; of a similar problem. This problem is/is not considered applicable to other ec,ntracts I -
i * . i . REMARKS: 7fis SM was 4-smiffel m M n mf 4 ~ 4. J %.,meen. j c!' ' aG a21:J LL*l. 2 Lo seJ" % - L elk . M. u. C ~a "en.1s O
.f tl is Atlt, . s. +L m le mek. el.uJ:
il V . I A.te
~
l8 ti ti
-D 21e-NUCLEAR SERVICE SU??cRT C;GI::EER
( ,, , .
]:, -
lD . CONFIDENIIAl-R DR p' - (u -aulssu,.. 3,. . D ,e u - r - 1< 31s; o 9 a >
-m 6.1 E1:sTro.L t.fY. m
.m-m -
.ga . . .
p - --m-- .g y -m--e- ,--- - e-- , - - -- , - - - - .
u m - - -_ _
' * ^ ~ - - . . ._. _
o.
. - ~~ - .. - _ - - ~
J * ~ i ,,
, ,. . fas-28o31 5(4-75)
SITE PRCSLEM REPCR @ BA8 @ !. WILCCX odissaasJa dit ac c.73. caa i > 3. sra ao. a(s.a; cussow(e 4% o 1 Pa%L $lth? l3 - G ro-co o l
" Duke TL e Co. n o. raar ao.1 As4 ao. GAour ao. .w. ad.
,gnoo r.4 o <, z O- o , to /m./ . &
PAodLfM CostACT ac. ovi isILE (Mat i.oss30JCul.2Clili) The2., #,cd r*lo m CLr- 0 N. //*,,s otsCalPrios of raostta:
. 3 ee- oflacked desev fan of Pro hl" *
.i j '
i
= .
g 3 s ; - - i 3
'i
- 5 sTarus-acitan re o4rt. SECLDolAG Pttsos,s ConTACito:
2 l..
.D e ca..f W 0.w <.5 LJ.t.sk ea .
f o tiit tt Action itCoMutuoto 57 slit PttsonnEL:
' ') "" * #
- bN*'***"" f*Ef3 Ryl au LP t ske.m a Un~' *" ** *t at n ec4 s sa c.,,L f
t t e Mh s p erw6 r**I"') *
- h " *"'
senice.
.i sesatution:
f Tu, su La raw.J ~1;n tus da --.%, .awk.,.J :.i. .J,w
. em:qe,& a ka t,y a j sa ) it t. . p. del M n-c A v Lr. so'-u
*LL G ',*ts k att u & s a n y.
- 5. m, 4.a.reuL h ij %, sett. is t L Q tra:3 deuJ .
i I DATE APPtotta ST OAft i : ', *5 PREPAttD g h j [ A s ,/,,f y
,E .gggggng;.gr
.oATE ,
*=
t cosi Caitcoar sitta caanct 4tg F.C.A..no. sIGxtf. otFICits ? Oxoes ornt O Orcs no ( o.- v4 O '(5 "8 O . slit CCur(Lilam At7aki: OII8AIlo"3:
- g! O sont sre sty so. O i oAlt Courttito: ,.
- n Ip r t) (? t v
j .0. . e}%l{.m. 4 M g .iy i '?. 5-d N*
- 5 $ M 94 lnin
.? vt w!{
?.(iyl C' Ita sr catt .
CONFIDENTIAL - Y
*, - - - . wer - a, l 31Sf0 a 9 8 71- E15 .-Y D. T. ~.- 9i
. .- - ~
,_ w .
~
* . . . - -. .'., , . . . ...\
Oconee I
~. SPR-676 thescreottom o f 7t=2blen 5 4-N - t':rit shucdova (fd:rr OTSC tube repairs) . 0perators atteerpted to perfat:m an Inninesnring Saffe:;uards Test on the DE System, which involved The DH valve lineup was cycli:ng LP-1 and II.P-Z (DZuisolation valves) . -
chang =d pr'or to Jais' operration so that flow would not be lost during
. che c:est.
- - u ' - - - - -
3045 - Val-se LP-2 was shut- but would not re-open. DE flow'sas lost"as
~=esur.: of i=prope:r valve 111ceup by operator (i.e., LP-95 throttled and T P-13 closed, vics LP-13 cepen and LP-35 closed) . Repeated attecpts to
=e-open the valve were unsuccessful. Atte= pts to re-establish flou in che "isvitcfaover"' ade verce unsuccessful. Pm ".cor core teeperature in-creased tco approx:icately ~.210"P, and at 1730 .peractes finally succeeded
- in neblishi 3 c:ooling CIlov vith LPI pu=p (from ..e BWST). The lower smanumy and. handhaile coverrs had been rs=oved from the B-0TSG as part of
=uba: =epai= wrk..and the water overflowed into the building baaement, (Cappcoxim.a::atly 44,000 gallions) . The Reactor Bu11dir.s filled with steam from :the war ~200 F wateer.
s ~
,t O .
,Ii
. , .t .
t
=
. i I
i lI I ! I' I: ti N CONFID$NTAL
.. ~
O - . i_
' I
--Y.
, , ~
.~ ~ ' ~
- ~
( 3 1 S f0 9 B r e.l E15y , -
- n. - - - . c_ _ . _ . ,
- ._ = -
' - =
-- +
- . ..L.
.,f .
~ . . .,,. . . . . . - - -. ._
' . z 66 *-
M1-
! i SPR Coment Fonn :
-- -9 l' . Co u nt To: b . _. !
SER. No. I; 7 . l SPR I -l t - - ut d ~0 / e 11t1e: T:' A ' E*% WA s s ~ . OS /E-) beO " M2
~~ ~ ~ ' ' -- ----
Date: i .7i - e o I have reviewed the above SPR/ Resolution and have the following coments:
! l, Co.:.,)o.% A es na+ cle/ew -< Cu~ a. a A $ !. rc_ .
. kS.& /*1 v bg 0, Y fy v! A.4w-Su S~ vL.b ~(Y h ' '~y
; 4
.<, .i no yy.2.r'c - c,. o ~. a . s w(. Gy v C/
&c % ' fa. . f ., q . 1p le e o i
! .t *', cz. ,pn d
'
- Y kP[ h, c.g she'sr .M e t.l c, c/ _r -K .e. . m 4 h. / 4;,
,,,i ; f. 6l_ . /.i, ,' ,C../ G n -% r,
^
'%.c <. ~ . .-L ? .
i . l .
.t i . . . . . . . .
;. O Please consider these cements in you resolution; no reply to me is required.
l l 6 Please incorporate or #resolve these cc =ents. I would appreciate a
;. reply by */
. indicating how these ccer:ents have l . :.
been resolved. 1-I! / e P. E'.' Peri'one E'xt. 210
' /.[7 - f f
v CONFIDENTIAL m m'= .----.---s. s- - - - - - - - , -- - __ c- x _ , 318;p r O98 r 91 - t E15'9 _x . .9. ..1'II .
l 2 h Y.' SITE PRCELEM RENr.L v
!!/ '! ,,'d'
- --St.CrK A WILCOX m "h%.W.-
1 OtsGenaiG4 .Att
- 0. Cons.ac. pra no. 4 t e . a c.
CusTO .e t e- - . a Tcledo Edisen Cocpeny F.R.Faist 3/27/78 lcc=. 13 620-0014 A c1
>> a- "'
- a - or
'O vf20-tmatorque/Velan >-[1 TIS 022 28/0 t'1/001 PA03LEM CONTACT / ) g,) d)
MAX 20 Cs4AACT123) Tf TLC (Sorc/ Viv C ernter I?otor
?:r. F. R. Psist # 4 <:~
Otscattilon of ra05LE:!: steing the courst of investigating the valve ste= nut
~~ ~
' failure (SPR Ikola , Rev. 0), as apparen discrepancy in li=itorque =otor herse-a power ratizig vs.s noted. Discussions uth 35 ' T.rtgineering (S. L,-ma.na) indi-
! cated that a 1 hp coter should have been su, plied with the operator. The
. original motor rece'ived cn site vas i1.6 hp cotor. It vc.s changed out -by O TECo (S?R #222). Motor na=eplate data is attachel. The code of failure of the 5 ste:2 nut vs.s probably due to excessive torque. A larger operator =otor vill
. result in core torque.
t.'.
.~
'i 3 ,
3 STATUS-Action To DATE. Inct00lds PLA30x3 ComiACTED: S. Ls= anna, J. Lauer, B&*J, svare of proble=. B. Beyer (."'Eco) was. infor=ed of E discrepesey. I i futTHER ACTION REC 0HMENDED BY $4TE PER30ANEL: I 1. Ccnfins size =otor that should be on operator. l ., ) 2 If changed to 1.6 hp rotor, provide details. .
. ~
~
.I L RE30LUTI0s:
$2E LfirE< Mbm 2. 4. J.gsergas.so) yo dj. Metr $j po rto .,.ig. g (3,,,y s ,4 y, E DATE I
1 PPtr t[0 sf DATE APPROVED sf S W_-_-_"-
- N f*id /
\ . o a % b lf..$r f.A A . ro 94 . W Y~EU ~~ISt
,; %.J I Cosi CATEGOAT FIELO ChanGL 219 V
lF.C.A. NO. a SICMlf. CCFICllhCT On0*a,.,.0txta O Orts no E l 0.. 4 O't3 "o 's. SITE Courttilan atroti: DEYlATICn5:
- l. G 80"E
- 80 $0 O
-(i SOM Letter 1375, copy atta:hed, vritten to the f DATC CCntLETID: 6/2/73
% = custc=cr en 6/2/78. This clears the SFR.
1-
) o
; CourLlit0 3r / osit l
T. R. Taist h)#hd/2/TS
- r a rus ML, hems CONFIDENTIAL surrt / Or 3
.4
% ~ ~ ~ ~ '
~ . =~-:"..,.:
c.. . ..
- 7. - gg .3 .
..'.. L. . .,_r' ';~'- .
e r
., ., J'O .
? --O d_!-
l { .a 2 oh-x q o r:,o. . . .l .
.. . , ._ .. . 1s - L1 o V. ~ . ". - _: -
- ".{ .
m .. - .: . ._m _ . _ _ - 2- 1-
~
- ^. -- -=.-
,,,f . . .
Q
~
. A'~!ACi m N @ ch, P.ev. 01 > F=5*fsra/322 620-001h .
5/2c/77
.O ,
Descrietien of P :blem: i . . . t
- 1. Se valve =s.or operatcr vas cha:;;ed out c: 2C-r/2 during the week of .
? May 15, 1977. Sis was d:== hy TI:s !* sir.te:2=ce without censulting .
f BW. TTCo Milstena:ce said the =cter was fou:d bu :: c t while ecs-
"~ *
' ducting a survey of lir. iter-ua s 6;erators, ne repiscenent =o or-h=_s -- i the followi=g na=eplate data:
- l.
Replacene:s Ms er Dats Orieinal ?.~eter Data Telve PC-2 RC-2 ID T107kkCI 107' -CZ-Sta.4 .25 ft. Ibs. 25 ft. Ibs. .
. Run 5 ft. Ibs. . 5 ft. Ibs.
...- E.P. 1.6 1.6 Type P - P '.
Frame ' 256 B56 Amps 7.6/3.8 , Not ca nameplate. -
- Yolts 220/kl0 220/kho In$ulation Class E Class I 2Azty 15 min. , ,
15 min.
!, Radiation Insulation I Radiation Amp. Te=p. kO'c kO*C
. ?.
as
- 2. Aithough the r.:=eplate data is the sa=e as the criCinal:.otor, a reviev of the suitability of the LO'c ambiest re=;erature should be perfor=ed for this i velve =otor applicatics.
1 l ;. n . . Y. }
"u=e Telecopy to Trcsh ' - ell, 5/26/77. CONFIDENTML 5/26/h
/
. .g i
3 . 52. o*f 3
- 3. +. - .
-- ...,____.aa.
318 0 9 9.51}-
. A ^_et t E15 ,9 9 --
- 4
.,. {
g
^-
--L=
- - - - ^
_ ._ _ , _.:_- . ~ a .
~
dH 'A 0 f t EMO Rf.NCU'+ THE BA8CCCX & WitCOX C M [SM '
.%% S -
.A .. .
,3,g..Lm. m bhe E.vt k b. .C'i m d.h " d O . hd.,g, ,,
* - y, v gLL 980 GR R Lf . -
~ ~
- r -
I ' 6 C. O s
** E SW9J.
- S P R # woti -o 1 Al s s S - t 'l- + t9 18 91 - th1 E t_1 m 1 % " \[e t as1 C. Q.J1 td M JL
_.A q m h - n n - s c: S. A LL .y . - m gud . '111 t i ,Aus e_ y . isA._.i
~ q n ta e A w o? 7 L tut s m ml s.) s \ ~ - ki ,, P ~5 .s t i L . ', B. . Q
- _ km . . , .t 4 '
w .e_ . w L 4 s q a f u. - s -, -A
~3 1 . t i , h _. . 5n. . . _ se fd u ? i ts u. A. ..
A O_ha [.m - - Ad ' k ,. s sea u;R - a 1.s up ~ &. L Tt -. . .a . s as w L. N, . o . L 1 m ~ a T t.. .k-u _.<. - 0. . - 2 ). L
'. 1-L J _h . # ,m _' +1 mif D. t a A uuti .
u uo Z. .k1 -th ._ M . v.i a I ~ ..
!- 6e u3 .f _ 0 M ,- e x .f . . . b _ . . '. ~ o N fA W- '
1 .0 JE
~
L. %.3 <T+4m, 1)l0. ' w .Q,, -
-l!.
! l!
~
es . \ . t. u v - 5,.
"T- h 1. L 14 9 w M. u.3 .333 riu d aAL,& t'
! t e b, m eA - 1. A A& -- 1 6 0 ,.
u-
J l-L. tA ,, a _ A .
l A %. -
' ,% .' . '_ . d t-ku ().0... .-
i A(L .4 - .9 .h .c, _ a . De.i t L. o .;h . .L t '
, aC L3 JJ tKT oh .1
_ _ I< w . . wA I i b._.o. -6 . e _ M .. M +L. C qF, g.m . __
! .. o . . i . .t wh -f e-A - m A n~.. L et m t . i .L _J m ye R . a 1, c;- ,
A s.n m_ o. A bn e7., 1 L <eK um 9m t1 JLA - J 3.c h G . L a . n --- i a s s w N n .- g - hh.- v b A. % .
~
C0iiiiDEi4IIAl-C0llNSEL UNLY >.n s, ,
---~- W s--- - - , ..
^-
- ' ^ - -
E15[c_._, _ .3 318}9 9 f.l$ l
** em e e
-= - -e .
. ~ . . . . . . .
i
. o L'= ' '
'--K
* ^'
- .:-- --u =-
I
. u _._. . -: . .... &
N J ~
- ~
. .s v .a es . s . a- - .. . s ,
' =8'2
' SPR Cocr3ent fore 7o. l. 2 km c - c - ne SER.No._g l'..
sea , nt 3cc c . . . T1tle: Qs e< LMa 7/C ?e ti,7 llAs. vi hf bings'?&& jj
- e- .
I have reviewed the above SPR/acsolution and have the following cocinent.s: Y N $6 S - h
- a. Q..< /d c kg )
,- 4 K e W m .<.
~
L gg/ ka nA &.~ ,.M . eg v,dd 4 pe A * .
&&. lgw o ---
'. (Q i . . .
{ . !
' h Please censider these corrrnents in ycur resolution; no reply to me is required.
lease iTicorpor e. solve these cocr.ents. A would appreciate a f reply by I l/ indicating how these com.ents have
! teen resolved. '
l, - gik !*!" P. E. Perrone. Ext. 2105 . CONFIDENTIAL l s- .- .- ., r .,,wg ~. , - , . _ , _ , , . 318 0 9n 9.r3,!
. ris eYN;E.
~ -
[ .
- -..n
-.w.-. _ . _
-:x . - _ .- . _
,_=L -
a
~
. s i r v . s s r-
, . ...- ' l- ... / BABrG , l. !!ILCOX spa .e.p?% ~ ,. ,
}
n.,.o'i3. =7:"~ we ,-- mc::rus e .n,.-. , SITEeePECB'.D4
,,.,,. .. -r REPCM.. -
> o.n.sntion
- m. -
dait cy,=
; y. . . . ci, f. a ). 57a no. ..at,,,,.
l ci,5 g on(p. 11/2/77 13 - 620-001(a "( _, o Toledo Idison Ccupany F.R.Falst ,PAal no.fia;t m3. f. sour .y. i. Q. . .. r.A. no.
. ,g, gag 023 090 IS 28/0al/005 1 . / lt ,1 Crosby g p y* 1,j, ,*
re;tt (iens 30 chaaacitR5) PA08ttM COntaci
-.I 6 ,%,
J. E. A de:-so
- d a .
Electrcratic.F.elief Valve 16difiestion DE5c21PT10m 07 PecaLEM: I *
~~ ' #
- See attached sheet. ,
=
2 . 5 k 2
! s . .
'1"IACIE3 I,.
I status.acTiOu TO DATE. Inctuot*G PE*' y nb. Engineering is :uare of
. .- e * * - - - ,
.,f uo. , and J. A. Lauer, Pro.f. Mgs. know of this prc':-
len. ~T. D. Hurray and 3. R. Beyer, TIco, are also avare of the proble: A. f utTutt Action RECOMMENDED SY SITE pet 3GENEL: 1. Ii/nb. Engineering should reviev h 2. Crosby installation; operating and maintenance instructions No. I - 1115, Sect. with the Crosby vendor to dete:. ine if these instructions vill give,,the prcper Insincering to proyide additiene.1 pilot valve sten adjustnent when actuated. 2.
. recos:sendation and concurrence with action taken.
nE s otui L. .; ,.E,a.L. 7E<b..:: iJ w a.. *'"~% .u l. {~*^'?
" #* * ' "~' ' '.' ' '~
J n. . s on:, . [Mc. b'"->""S J .L .u h al 1m.c'wJ.3.. rs.x m _
&W f*- =_ _. .
DATE DATE APPROVED ST 5 , 3,g, gy 2 - . - f_ # d l~ //~Jf~?7 .'
. L - M"f l~E~7
, y l / /
cost cAlt:02T ritt0 canci dQ f.c. A. ho* sicair. ett Cli': . O son. OtutS Ofts ao 5 05- /V//l 0 755 '* h hfl&Inc21
. sitt c:sitErica atri,ar: sc:-t Let .er 4352, ec;/ attached' g ac3g 57: arv n'J.
gI was written to TICo. Instruction :: .ual ! cor- a.;t cc,a,'.1:10,. 3/21./75
= rect and will not' be revised. Additienal adjec .
~,
" ment check provided. Lig. cencurred with Crosby / c3 ,gg.!2 3r g h 2 ATE
~
TEco acticas. F. Rr FalstypM 3/2'/73
! CONFIDENTIAL ,, ,, ,,,, J g ,, ,._.
i . '
~ --_- ~ .,
- - . ,. a . ; c .. .-- - . -
-- ..;.i,, .
~
. :. ' -' . c,
~
318'O {9,q f.~ . [ E15 . J.SJ
. . . . . . .._:.=. m w _ _ . _ . _
. n. __
~
~
A .
\ !'
- o
+ . . .y .
. o.
nne R'
, spa 1326 -
. t '
620-0014
. ,7 -
sabcockt.Wilcox 11/2/77 l . d l Descriotion of P-oblem: On 10/13/77, the electro =atic relief valve was tested after the cocpletion
* - ' ! of repairs e.s outlined in S?R E369. Le valve was cycled six times success-fully. On the seventh test cycle the pilot valve did not close.- De ERV- .
was isolated and per sitted to cool down while vaiting for Crosby represents-tives. [ Crosby rep. , k' alt Conroy, arri ed and the pilot valve asse=bly vas re=oved from the main valve. Disasse=bly of the 111ot vsive revealed thnt the pilct valve sten had stuck open due to the cler< tole-ance causing a binding con- ' l dition between the O.D. of the stem and the I. J. of the pilot valve nozzle.
' Also, a small metal particle was found in the pilot ste=/noz:1? area. Sd-sequent cleasing of the inlet piping to the ERY revealed this same type of metal particles. .
_.s-m he Crosby representative furnishil a detailed drawin_. of the pilot valve r. stem requiring a diaceter of .37h_ nis was chacged to read .30 diaseter
~.373 * .372 by the Crosby rep., and the stem was modified accordingly by TECo l'.aintenssee under the directics of the Crosby rep. Bis =odification resulted in opening the clears =ce between the stes and the no::le thus eliminating the binding.
De nozzle was also ree=ed out vitb. a reamer the sac: size, no material was removed. All parts vere cleaned and assembled. De solenoid linkage vas adjusted to drop the adjustment bolt r. ore squarely on the disc aciiuator. In addition, the adjustnent belt was positio'ned to =ove the pilot valve stem off the seat a m W of .125". It had been moving off the seat sc=e .375". De pilot va.lve was tested without pressure by actuating the solenoid three times. Le valve was tested again twice with 5 or 6 seconds between tests. Dis was fo31oved by testinC the valve five more times assuring actuatica each time by a one sinute delay between tests. Se valve was tested with a j pressure of 1100 psig on the seccad and third occasion. l JEA:sif I , h . 2 g .
%NC 29- - - -
. <m - - - .' r . . . ,. e, . ..
.c m .
q'_- -E L __. , _, p_ -- -- '
.g , __
E E15 30a u ;D-I 318jo99 u v.:5I, . t
.- - - . . -}}