PS Magazine - JANUARY 1981
PS, The Preventative Maintenance Monthly
ISSUE 338
JANUARY 1981
MGO Tanks-
FirIng PIn
No-No
S0me crew mE
m
k;
Main
G
fIrIng pIn apaRt to clean IT
±aybe ²hey thInk ²hey're supposed ²o ²ake It apaRt.
Or maybe ²hEy³re just ²ryIng ²o do a sUpEr good joB.
´Ither way, ²he fIrIng pIn gets pu² together wrong. µhe plastIc washeR Is
bEIng Ins²alled backwards-wI²h the coUn²eRsunk sIde towards the thrEaded
thiS wASher ge±S
pu² IN bAcKWARdS
.
³
´
µ
,.±"'·²@
¶¶¶ hub ·heN
crAc¸S WAShe¹
(
e
end oF ²he pIn. As ²He me²al end Hub Is scRewed on²o ²he pIn Body, ²He plas²Ic
wasHer ge²s cracked. µHe fInal resul² Is a maIn gUn no¶fIre condI²Ion. µhe fIrIng
pIn has ²o be replaced.
IT'S A 01( tO ±aKE oU²
³He PiN ´nµ ¶·¸ ¹º,
B» ¼½V¾R D¿sÀÁÂÃMbLÄ
ÅÆ! ÇÈÉvÊ Ë± ÌÍÎÏhÐrÑ
·hE passIve elbow on ²he ±36´L
pErIscope In YoUR ±6¸AL ¹º»´ or
±6¼A3 ²aNk can sHU² I²sElf off wI²Hou²
WarnIng.
½hen ²HIs happens, ²He on¾y way to
gE² I² workIng agaIn Is ²o ²Urn I²s
swI²cH ²o O¿¿ and ²hEn Back ²o OÀ
agaIn.
DIrÁy or worn con²ac²s on ²he
cUpola s¾Ip rIngs are the mos² ¾IkelY
rEason ²he perIscope shu²s I²self off.
ºf YoU have any problems wI²h ²hIs,
gE² yoUr dIrec² sUppor² ²o check ou²
²He con²ac²s on ²he slIp rIngs. µhey can
duÒÓÔ
.±²
pÕÖ×ØCÙÚÛ
JÜÝÞ ßàáâ ãäåælF
oFf!
eI²hEr clEan or replace ²he cupo¾a slIp
rIngs as needed.
24
J,
I
MGOº»E¼½Es Tanks
³•´
End ConnectoR DisasTeR
ÂoU coUld ge² a chUnk of me²al In
yoUr face If yoU ²Ry ²o remove end
connEc²ors wI²h a sledge haÃÄer.
Ų happEned to 2 soldIeRs recently.
ºn bo²h cases, a soldIer was hÆldIng
a 2¶¾b ball peen hammer on an end
connec²or whIle hIs BUddy beat on I²
wI²H a 1¸¶lb sledge hammer.
ºn each case, slIvers of metal flew off
²he end connector.
One man was hI² In ²he eYe and
blInded.
µhe o²Her wasn³² so lUcky. ÇE was
kIlled.
Èse ²he RIgh² ²ool.
µHere³s an end connec²oR puller as
par² of ²he BasIc IssUe IteMs foR eveRy
²aÉk. ºf you don³t have one, ge² It wI²h
À»À 512¸Ê¸1ʸ4¸Ê9318.
ºf yoU come acRoss a rea¾ stUbBoRn
end connec²or, ge² yoUR mechanIc ²o
use ²he hydraU¾Ic pUllËr, À»À 512¸¶
¸1¶¸52¶5642. º²³s part of ²he spEcIal
²ools aU²horIzeÌ for ²he ²ank.
25
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