PS Magazine - SEPTEMBER 1978
PS, The Preventative Maintenance Monthly
ISSUE 310
SEPTEMBER 1978
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M113/M±13A1 Carrier F²mIly .
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Loose screws in the power
train universal joint can wreck
your vehic±e.
Tb±oCk washers and hardened
fat washers have been used to
ho±d the screws on the entire
M113/M113Al
Fmi±y o² carriers.
You shou±d rep±ace the washers
with a new disc ±ock washer, NSN
You use these
washers in pairs. ³hey've got to
be insta±±ed with ±ocking ²Ace
toward ±ocking Fce´ µnd, yoU use
one set -
two washers -
with
eachscrew.
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Locking faces
r
·HI¸ ¹eW Wº¸Her ¸e»¼½P ¾º¿±¸
.
wAshErs
and
scRws±
ÀR ¹eW ¸¾rEW¸ Á »OO YO½ ¹EED
o
Jf
³´ µ
¸OME HarDe¹eD ¸¾reW¸Ã ·HEÄ ºRe:
²
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žReWÁ ¾ºP Á Hex HEaÆÁ
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1
%¼I¹, ÇÅN
5¸¹5º¹¹»26¼º32·1½
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1¼I¹, ÇÅN
53¹5º¹0º26¼º32¸6.
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žreWÁ ¾aP, HEx HeaD,
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HERE'RE thE p¼½s you nEEd¾
ÀÁ
-
V²HICL²
NUMB²³
Of
P´µS
M113¶1/m132´1/M125¶1
48
WÂsher sets
M106´1/M577´·/m74·/
¸¹
·-iº scRWs
M667 /XM806²1
¸¹
1%»iº scRws
48
WÂsher sets
¼¸
p½¾in scRws
16
l ¿n
scRws
ÃÄ
Èour mÉchanic does the job liKe so Ê
±
³aKe out the driVe traiË ÌËiversal joiËÍs liKe it says in the
ÅÆÇ
³Î Ïr
Íhe carrierÐ
GeÍ rid o² the tablocK washers, Íhe hardeËed ÑaÍ washers and the
screws. Èou start over with new hardwareÐ
Òut bacK the drive train uËivÓrsal joiËts and sha²tsÐ Ôse the new
screws aËd washers ±ike this ÕÖÕ
For À··¼Á·, À·¼¸Á·, M1¸ÂÁ1, À10ô·, ÀÂÄÄÁ·,
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ÀÄÅ·, ÀÃÃÄ, xMÆÇò1È
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a¹D ×IØE »ÙI¸ ÚÛÜ
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³ighten a±± screws to
35»40
±b¼²t
Ý
eXcePt when using torque adapter
NSÞ
51Ì0-00-977-74Ì1.
³hen torque shou±d be
28-3Ì
±bß²t.
àow hear this! You use these disc lock washers only once. Ôse new
washers every time áou Disconnec» a Ôâjoint´
ÃÍ
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