PS Magazine - JUNE 1976
PS, The Preventative Maintenance Monthly
ISSUE 283
JUNE 1976
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±
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LOOK ALikE-WORK DiFFereNT
There're 2 master brake cylinders tHat LooK aLike but are different insIde.
NSN 2530-00-978-2068 ( 10916089) is used on M48 and M60±series tanks witH
TRUCK
hydrauLic brake systems, and on M728
TANK
2530-±±²741
³
1±7±
combat engIneer vehicLes²
´53±²±±²9µ8²¶±68
(·4¸1¹
7
º)
NSN 2530-00-741±1070 (74³³070´
.
»1±916±89¼
Is used for bOth µ39 And M809±series
5-ton trucks²
Just unscrew the filL plug from the
top Of the reservoir¶ ·f it's the tanK
master cylinder (NSN 2530±00-978-
2068), you'LL see 3 return port hoLes at
the bot¸om of the reservoir²
·f you have the 5-ton
_
trUck master
cylInder
(NSN
2530±00-741±³070)
there'LL be onLy one ret¹rn port hoLe at
the bottOm of the reservOir.
·tºs not a good idea to interchange
t»e 2 kinds Of master cyLinders¼ ½n
orde¾R to prevent mixing them up, you
·
can
stamp
the¿
with
tHe
metaL
stamPIng die set, NSN 5À10±00±289-
0007, in the No¶ 2 common tooL kitÁ
·n
a
conspicuous
pLace
on
the
cyLinder, stamp either
M60
TANK
or
ST TRk,
depending on which Kind of
cyLinder yOu haveÂ
You shouLd mark alL stock on hand¶
·f theyà re not already marKed, do iÄ any
time a master cyLinder is removed
frOm a vehicLeÂ
CarefuL¶ Take It easy DOnÃt crack a
cyLinderÅ
20
M1±3/mll3Al .²³
CARR±ER
.
l²Ak inSURA³C´
Getting your exÆaust Çipe LineÈ up
righ¸ is gOod insurance agains¸ leaKs a¸
tÆe baLL jointsÂ
±
BeFÉre yOu tigÆten tÆe ÊLamp
ÆoLding ¸he Last ËaLL join¸ ¸o tÆe ÌLanÍeÎ
rota¸e tÆe uÇper seʸions to Line uÇ tÆe
o¸her seÊtions Ïf yÐu have 'em LineÈ up
right aLL joints wilL be ÊLoseÈ anÈ tÆeÑ
wonÒt LeaKÓ
LInE uP ALL BALL JOIntS
tHEn TIGHTEn CLA´PS
tHIS WROnG
LInE uP WIµL
LEAK
'
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