PS Magazine - NOVEMBER 1983
PS, The Preventative Maintenance Monthly
ISSUE 372
NOVEMBER 1983
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M48/M60 Tanks
.±.
Check Your Quick-DisconNect!
The quick-disconnect ring assembly on the left AnD right FAL drive c±n sUDDenly
f²il, leAving your tAnk oUt of control!
Run An inspection on those qUicK³Disconnects right AwAy. If they're not
´µO¶, your veHicle's not sAfe to operAte· ¸on't ¹rget to check out new
disconnects, too.
1²
2³
3´
Do
This
Now
Remove and clean the discon-
nects, especIally the tapped
hole.
±nspect tHe hole for cross-
threaded or strIpped threads² ±f
the³e's damage, dispose oF the
³ing.
Check the pIn for looseness´ ±F
it's loose, dispose oF the rIngµ
Check
staKing
marks
±
µ¶
Look for cracksµ ±f you ¶nd any,
dispose of the ring²
5³
Look Fo³ bent pivot bossesµ ±f
they're bent, dispose oF the
ringµ
·¸
Check the pin staking marks²
THey Should be on the B³ass
and deep and wide enougH to
move b³ass over the pin· ±f the
stake is on the pin, restake on
the brass In
µ
places between
stake marks on the pin² ±f the
chamFer on the b³ass is so large
that metal won't mushroom
over tHe pIn when it'¸ staked,
dispose of the ring.
22
7¹
W¹H the ring closed and the
screw
turned
fingerºtight,
measure the gap oF the stop² ±F
tHe gap is
º»»5
inch or les», tHe
assembly is »erviceable (metal¼
to½metal contact is preferred)²
¼½
±nsure
the
screw
Is
not
damaged in any way¾ ±f i¿ is, use
another screw, NÀN
53»5-»1¾
»µ2¿µµ3·³
9³
Áhen Installing, ligHtly tighten
the screw with a ratchet, then
tighten to
1»¿2»
lbºf¿ with a
torque wrencHµ
ÀÁÂ
ÀafEtyºwIÂe the sc³ew to tÃe ³Ing
assembly.
'
"
ºielD Service BUlletin No. 31 (3 ºeb 81) gives more DetAils on this sUbject. You
cAn get A copy »om yoUr locAl ¼elD mAintenAnce techniciAn. If yoU neeD help,
ContAct yoUr ½og¾stic ´ssistAnce O¿ce.
OrgAnizAtionAl MAintenAnce repAirs
minor cÀAcks Up to 3 inches loÁg AnD
1Â16 inch wiDe. ´ny crAck longer or
wiDer is Up to ¸S.
YoU neeD AcceleÃAtor AnD seAler kit,
NSN 8030-Ä-275-8Å10. It's Item 63 of
the expenDAble sUpplies list on PAge ¸-3
of
tm
9Æ2350-257-20µ14. ¸etAils Are on
PAges 7-125 AnD 7-Å26 of
tm
9-2350-
257-20-1-2.
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