ML19308A482

Abnormal Occurrence 74-23:on 741126,during Routine Insp Hydraulic Shock Suppressor Found Empty of Hydraulic Fluid. Caused by Loose Cylinder Lock Nut.Supressor Assembly Reoriented,Lock Nut Tightened & Fluid Reservoir Refilled

ML19308A482
Person / Time
Site:	Crane
Issue date:	11/22/1974
From:	Herbein J METROPOLITAN EDISON CO.
To:
References
NUDOCS 7910250629
Download: ML19308A482 (3)

Text

r \j

'v' -

. ,% .:- : . . ' .-. . , e. .>l--'* ~ yy ~y j

,, N , !; w?.-*-.. -. ,

Q 23 y(.,,

i e .

m.e[,

....c~-....- s .

\ .l. '. .ru =~.r s:, m t'---*). f

/

/

. .. n g ,n ,.

..'. h k . G e ' .a l. s . r ~, e .s . . a e G 4.. \ ,,. sv n ~. e ; %* . . . . . eV.; . z,,,

. EUDStCIAilY OF C[f.'!!Mt. PUBLIC UTIL ITtE5 C01:.'OP.* Tl'.':!

CFFCECOX G3 MIDDL270's.'.'N. P~O.MYWicHA 17C37 T3! EPMCN2 7*7.~'MTAt n

I6 ,t.. .-se w e-er d e., 't e d ?( w OO1 D

.,;. u.

t, . 6. ti . . n# . I.,. ,, ts .m. . ... .. , Q Cs S ,

4- r L, f,3. .. . /. . . . s c .f

\'.,. ..g. s i L* ,N . . ..c.' . e. .,, . w*. %. .... ..i,$ um

. e ~,a. 9 I. D u 4

I

p. .,.o. .. ;

1

_;,

r

%g '.,i .a T'.....

C' w. t .% b V;*.. 's ...

. g

( ,,d

% "" ' 13

( a 99.m., . 9, ..? . { h. . ..:.. ..: c ,

. P. u.i . *i 0. 4 .* *..a q, .,._. .e -i ' r. 7 L 's -,. m.'.* .'. .'. P. .'l .~3 L.. .., . ...+. . nJ%m. .

.c .w.e .

- ,. o . f .,_,... . . . . .q q . .-., ,.... e. a t.a. 73 ic,y-,2 C ,,.4 ., . . . .h e.,. . a

\) e. .:.%.4 .r, 6,,

p.?s i; C go . t, ..;; c.

^ ..

t ..g (. .r. . ( s.

c'.*

.. . . t. g.

.. A..Jn.v.. .,.. [.-s...~,.g:

. o .. .. {.b.. {r. ..(* .; .+. . c.u -.fi u .r. gt. g. . J ,,.f'.*.'.' ,i* j t} . L . L

• .e (*

C.a.,,.J.

. ..Jon_ k.O ('(6 4

. , ... wl.%. . .. .s. . ;. 't.. a wp U w.4 %L s.d-a is N.o .a e- r -

. . . a y c. 2 s ..e w.. w.,s , nn./. .; .

77.

< ..., C..m. .

n . t. ~. ,, t*r. , <e.v ~. cA.'.41f te ~,4 4* 3 t.~s.,,.

6 -

v - . ./... . O m *U p. . . . ,,. .a .r n'.7 U ."t . O. . t'.

b,,.,g U.- t t j Cs: < .... . . , -,,.u,.,..s . .. .. . 3 e s .,,

, .. c.:o v. .,e e.

L .....,T.'l O i,u,..,.t. .u..u . f Lr. , . <.,b 3 C.e .

. m4.p , L, ., .. .. . e . .W e- ..,..s.

, { r. s hta.N- .C.l*4 4.3 L" .. ....

. s . . . - ,.u...

.,...,c....-,.,...L.,,v,,...<

...,vv. .. .s .. . ,

n. .: L., r... .,, T . .,. . .~. L. . . t >, :

te . L,,. L.r.3 uL, a * . .w c..t . . . . .

, . , L t. ., ( , . ., .. .a ...m

.. .- ... u t. .:w .

D..  %,. r -. 1.n.

. . . ...e. p ..>.~.......a,.

t.L..1 o..,..

.3 L..u. ,. C . ,.4w . . Cs. l . . ..,. - . . te-. .,.6 u . .. . . ~ .u. , i, . . .... ..

e. . ., ..t_.- .

N ... .N . . e 2 e. .t

...C.5,....,. .t.... vC 6 ..a.

.q.

. . . , C..,

.a.,

t. %. L. . . ,,. .L7- b, n . . ~ . .a,. .m., ....9

.6..-..,. e o. . . ,

[ . ....- ... v.. , . .L.. C e , .

.m.< .. v s.

. m , . ..,.

p .. .. . L.... ns .r. 4 I'- .w. 3- 6.,.,wi e. e. s ., l .e. 'J t., .6L,.'M.J C . .. . . sa* v.u

,.,:...- *'"h....

t . L.,e-~'...

4 u 3 C.. .. ..a...,. C. . .,4.,. . es r,

.. r . . u. .3 .%,. .. .s ., I .,r. . a- . . nn. ., Y . .,.:h . L; L. .,. .~ e. . .

L: 3 e..

. . 2.* C'.,,,,..

.a a. c..... .,.,..

• s), t ., &. .ass .m. .a-g 4 3 L.. u

...,..p

,s . .

<.,,;t a u.. d... .-A.o ., , .,. . ,.

n.. ..v

.. . . .. . . , . r. r t w. ,

.a, e .. . ..s . ..}

. 3 a.e.;..,. 6.7 #. ,. ...J. .. .

C, . , m8, J ..,s...w.. . a ,

a omu. , ... .. >. , o . . .; u~.

4.: ..

u ..,. ,t, .,,.,a

. . , ., .. 9. t .

asf. ..._

, e , 3, t' a C. e i. . v s,. . t,.. a ..nJ m s ,L..s. .#

p.., -

4 s Ya n.4,2 E' q n 4. w.t .e. r.J 07 C .a.t nP (...e . ..Ju.d a sC r i....+-r.,, e.ge., a ,4 o......w..

l e.. ..-u ,.*,

.. . s.

La>. . . o . i t...,.] I .n. ,

b e.En.. .as.us...4e C

.,.3

. p"'CM,f,3 n. 42. .d... 'IC J s.s..

t

., Lv.. v. 'l :41,.-d ic. o L.. ,

4 . .

. - r , -v,. I w, , t.4 m ,. .

s .s. ;

y ae e,.gwe... %..e .. . , ps') , >.3.n. -

. . g ,,,. , g g 4 t ., ,.w,.q, i

s . . - . .- .a ....

. I pt .. r . 2 w= +.* .Cf F.:.*.* I.J' G'" 3 Sr'c*F,'.".a }.",," '3I $ *. ,",8'w^~.'.'. u';,s.'., ... ',w* f~. .* I.

• "u , q.*,-"w- u s*e *s'.":= '6 .,

. . . . s . .~s". a e

D.= .t hv.i. m. e.e. G.=v p a . . , r.

.d e l

y. >.t=S,e 6. .. N. ., .s,=-..,o.,.

. .. ., l (M ;^ i'; _n . :L. .' ,~w -,. .l i

y,gy..v.

,~/.s;,' . ' u . a{ . )...u..

s 8%

,b ...?,'n w u ,.

e.)n4 %.g a . . e c..s

.+,

..n......n.....

,46%

e g .v

. .,. -} b=, ,4, c) . . , , . . .... = 6 . I UU3 7910250 [g J

o V ( ,)

v

- - D D ow l'

v,. .

.A .

L .a -

a s ww, m, , , . m r.n. n. i_, ,, -

we

..,,'........7 ..

( 'y ,. .i. n n ,. c, n. s.. u e

r.- t \, '] i ., - r ,! ; . 1 ' , 1. , e r

?

t.i :i,.<;t'p' g,t

. . i :! . -.

Ju L ..u u uu uw, . edes ji a a . m.- - uJ e

- .t t r,. c g

a c. _;u w ,.:. w a' a, M .* *M *% *Aym m?Myg- u x - . - .n qw,,q,m_* **r- - viw*xggys-x==x> 3 ,3y ~ yy g .

l }

e.= nt:: , l 4 c=~.: .m r. -n:= m,-

I FP13T f *?J:*.3 YJAV2 t a" -

i a l t  ! M- % s .p a: = =>

/ c,mnma i 4%w-p w/5'C.;_r.

t  :

t '

l

!  !, E_EL

r g:3 ty g 3 EC if-4

. . . .~. .

. NC ?*

.s .s G. >

< . . . ; :;%,

n" c. , . ., ,

r 7

p. ' "'rT 7.*J .4' *'~ ;r- .

) l Ut.TOOOO " ' (L ? ' 4 Q'h .

l L

enx:ta &

.j.c( / ,jft.,.

j a

g

t. ...b,

.. . .J

. -* N.y,. ' e% .

4 P.G)

-m "

~ C' l N3

{  ;..... p J-rcm3 r.;3 c::2 l

• 5 4 P.n Fu.ttt r37nt. 7 3 e z (0:0 crat.c: n3. t e

.,m .u .

OW u 1; i,4;. ,J r % r.

I l Tho ITT Cdnn:!! hydtcut!c thcck and cv/ m cupprencor la e cd to provent (M c':muna h rih! h cculd rcre.dt from cariiinua!;e. ficc; pu;23 tion.ct;;y, or tho thic:: rc: !!!nq !: ri g.Do i rup::so cr c2.ty v:lva blar.' oil. U::W:a o efmf.3 vi:ccna G:mp:: 1::o theck ..u :pt;::u.-

l* 1:i.7 n ) rcntrcin n:rmal tr, Osmo) rnwstr,;nt, but Wili prc;d c:r.'ath:d 70::::.:nt tur:nJ distprban:03.

l Tho Un!! con: hts of a d:ubla-coting hydreui!: cy!!ndcr. the c:tentcd ITT Crirnt!!

I Cr.05ber Vr.h.'. nnd a fh. dtmitlc d';!d ic ,3rvoir. Tho rc ric!r V:W,c"c::tice,m kn untir!d ch:::!d em; be 13:t over en c;:te:: dad caned cf ti nu. but it.1 cl:!rt func!.brf la ca ca teruiay.

4:57. Ti:3 tccorveir necumu!n!cs and reicates tha hydiculic tivid ri:::31 :00d by Lia pin;"

l sed call moves into cnd cut ci tha cyllncar.

I, Th's c :'ub' a cr valvo la factory c .!!brcted to reset to p!: ton rod vcl0citics cs ct:tc$ In cur I  !;t";;t p!pa henger catetc;1.

I tg dyn::mic cycnt which cou::cs the p! !ca red to me.a fn:ter th:n tha re:'ctlen vehic:ty r.".2 cat'ca tha b!ns:d checti vn!vo to cic:o. convertin 9 the cunpre?.00r to r2 li;.'ctrut.tih0*;!d f  !%Isa r:20cescry fer illermnt rwvemet.: to tske place nF'%t tha cic:0ti chock V .Ico, o cmtli by-;;;;3 c:n.'00 permit. thh movement viiih incraated c..inten00.TC2 to:cii0n V !ocity Ond pc:t racclion t : o of cach ITT Grinne!! Caul.; :r Valva la prcei:lcn cqu:::d in cur t:nic.ua j c aD. . tin'] c:;?;.pment.

g j Ad,h .im:nt of snuthor valvo reauhcs equi;3mont c:pcbio cf monturing rr.t3 cad j (c:td, C: ;?DT ATTEMPT TO RES5T AOJU57l.:E!nS C4 TW1 (Na.G((

a

palfunction Ccrrective Setica _Dnscrf5 tion

!!nchor___ l.ocation .

Cylinder loc: nut not nooricnt unu': hor. 4" OcPG 115 209 !ain Stcan Line D tightca lect not 5" Stroke frca D OTS3 tight paraitting cylind:P to flip upsida (uttd tactite) fifgi Grinnc11 Elcy. 33311. Olde, d;:n cad fluid to drain F.cplsco fluid

!ain Ste

a Line O App'.rcut scat fiatc/ ice-

~

e,cpicc Snutccr. sf e5to fi D 1 0 ctica 011cu:d partial C:n cylinder Ins 5" Strol:o frca 0 GTSG EP ccalc. Mig; Crinr-11 Eley. 229 R. Oldg. Ic:s of fluid O ccav1 cat uncuber, F.T to; a IIS 204 il3ii staan Lina 8 Supproccor round upsida 5" Stro h fren A GTSC C_ua. Loc!' nut not tighten 1cck nut (uced Lectitc) i;fg Grianell Elev. 320 I!. b1dg. tight.

~ ~

iPdrt1Wih~cG U~7iuTd i~ ~T~O L t.)

li$ Blili T.~ili~i. J f.1 i.1 n a u Tighton reserv61r Jnd S 3

Stroh

' ~

fros 0 OTSG feca rosarvoir. ccpc - refill ro;crvoir liigi Gr1anoli E1cy. 329 R. Uldg.

^

Ticatacco YBIEfy 'FT3; J=

lis.14F20. TicWrof coolant- T5iTil21 isss oriTEru'- 58 Strc::a 003 Fuap 1A (RC P-1A) vio Ic ning fittint] in fittians.

I;fg; I:cDet:c11 lina bett;c:n res;rvoir itafill.J r;gervoir and cylindor Ua11can O

GED E

O cg hb c=u=>

2 ED ti='

1

_ - - _ _ _______