PS Magazine - DECEMBER 1982
PS, The Preventative Maintenance Monthly
ISSUE 361
DECEMBER 1982
Then you discover how Easy it gets
AwaY from you and is damaged.
Not only that, there's always the
chance a Finger or two wilL Get in the
waY of that FallinG steel.
Just foLlow the good woRd in TM 9-
10±5-234²±0 on removinG and instaLL³
I´G tHe breechblock.
·-
.
:±
²³´
µ
2
;¶¸
¹º»
¼½¾¿ÀÁ
1
Â
Ã
ÄÅ
=-±²³´ µ¶·
µt won't do a whOLe lotta Good to
char¶e your equIpment iF it Leaks.
To c·ecK it out whiLe you're charG³
InG¸put a soap and water soLution on
All seals and edges oF externaL optics¹ºf
you see BuBBLes, You've got a »eak. ¼et
½our support k´ow aBout it.
To c¾eck it after charginG, turn oFF
44
Last, But Not LeasT.±²
Check tHE ClEarancE
2
'±
.
c.¸¹º _
._²-³´µ=,¶
·
»
±·
Checking the FiRing mechanism on youR M±02 towed howitzeR is the Last
oF YouR PMCS checks in ¿M 9ÀÁ0±5² 234²±0, but it's certainLy not the Least.
If there's less than 1/³S-in
cleaRance between the pawl of
the fir´ng mechan´sm and the reaR
yoke of the
M37
recO´µ meChan´sm ¶¶·
'"•±
¸ ¹· get your d´Rect suppoRt to
rePºace the pµunger hous´ng bush´ng
ºF you FiRe the ÂowitzeR beFore this is done, the pawl wiLl Âang up on the Recoil
à mechanism and break the FirinG mechanism assembly.
¸
¹
º»
¼½¾¿ ÀÁÂÃÄÄÄÄÅÄÄÄÄÄÄÅÅÆ
MissIng Ænfo
=Äthe
nitRÅgen F»ow by
Æ
/
cLoÇing the tRansfeR
• r
vaLve, Look at the
I'
d
.
È
É
j
gage
an
wÊte
O=.
"Ç
-
ÈÉÊ
down the Reading.
Ë
·
±
':
Wait
about
±0²30
minutes
and
² r,_³
check the Gage again. ºF the Reading is
Ì,
LoweR, theReËs
Ì
a leak somewheRe. Use
the soapy wateR to Find it.
Íny LiQuid soap Î wilL do FÏr the
checks. NSN 8520-00Ð228-0598 gets
you a gaLLon.
Ì
ºF you come across a piece oF Fire
control equiÑment that has no purGÒ
iÓg ÔRoceduRe, eitheR in ¿M 750-Á±6
or in the equipmentÕs ²20 TM, send in
a DÍ ÖoRm 202×Ø
Ùou'»l get an answer and set the
wheeLs in motion so the inFo wiLL get to
other soLdieRs who need it aLso.
45
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