PS Magazine - TB 43-PS-433

PS, The Preventative Maintenance Monthly

ISSUE 433

DECEMBER 1988
PS Magazine - TB 43-PS-433 - Page 3 of 33
M±²Tanks
.
.
±
\_
\
±t
³
Which
FInal Drive Do You Use?J±
·
,²
-
±
±
±
-²
=-,
':±
=
²
!
³ ´µ ¶
, ·
be substituted fr an Ml FinaL drive,
.
³´·µ
and sometimes it can't.
Even thougH the AMD± micRoFiche
says M!Al FInaL dRive NSN 2520-01-
167²4282 is a substitute fR Ml ³i´aL
drive NSN 2520µ01µ¶19·4096¸ you've
got to k´ow when the swap wiLL woRk.
You can't use one Ml Al FinaL drive
and one Ml ¹naL dRºve o´ the same
t.
The gear Ratios are di»eRent, and using
them togetheR wouLd damage equip¼
ment and cause steeRi´g pRobLems.
drives on an Ml tank.
You can´ot substitute two Ml FºnaL
dRives on an M½A! ta´k. PerFoRmance
wouLd su»eR because oF the greateR
ta´k weight.
So when you need an Ml ¾ºnaL drive,
use advice code 2B in Requisition coL¿
umns 65 and 66À That teLLs the suppLy
system that you can't uÁe the substitute
M½A! Fi´aL drive.
MAKE SURE
THE SUPPLY
SYSTEM HAS PLENTY
OF FINAL DRIVES
TO REBUILD AND
REPAIR BY
TURNING IN All
UnSERVICEABLE
FINAL DRIVES
NOW²
dec 88
VI³.
he hub and
a
assembLies fr positio´s
³´
2 and 7 o´ Ml and ÂPMl ta´ks
come in two co´Ãguratio´s. Both Äe
ok
fr either ta´k, but you've got to
Keep the pieces Lined up RightÅ
That's where your TM's Jet you dow´. TM 9-2350-255-24P-l shows the pÆrts
fR onLy o´e con¾iguRation. TM 9µ2350-255-20-1-3²5 gives onLy the instaLLation/
RemovaL instrUctions FOr one conFigurationÀ
ÇeRe's how to keep the right spLined spacers and thrust washer bearings
togetheR:
!¸
SpLined
spaceR,
NSÈ
2540ÉÊ1-
179-1086¸ is 5 i´ches Lo´g a´d must
be used with two ËHrUst washer beÆrÌ
¹º
SpLined
spaceR,
NSN
2530-01-
063-5667¸ is 5ÍÎÏ inches Long. Ât does
´ot ´eed and wiLL not work with thrust
ings,
NSN
312Ê-01-179-1278
and
washeR beÆrº´gs.
5µi¶ sp·i¶¸¹ spaº¸r
»¼» 2530½01 ¾063¾5667
¿his spaº¸r ¹À¸s¶ÁÂ
¶¸¸¹ Âhrus wash¸rs
The key is that both versio´s wiLL woRk as Long as they are assembLed rigHt.
dec 88
Ã
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