PS Magazine - OCTOBER 1972
PS, The Preventative Maintenance Monthly
1972 SERIES, ISSUE 239
OCTOBER 1972
That radiacor Cap up in front under the
hooD does a lot moRe for youR vehiCle than·
just keep the lid on some liquid.
You may not Know it, but chat's a
PressuRe ±adiacor ²ap, and that word,
"pressuRe,³ maKes a ding dang lot of dif-
ferenCe.
²ooling systems in military vehiCles
are
pRessurized
beCause that enables
them co woRk in any Climate, any altitude,
V.-ton TM±218 series trucks
5²ton TM³230³seRies 8x8 truCKs
any season. With the pRessure inCReased,
5³toN TM³2lL´series trUcksµmu¶tifue¶
you Can geE woRking temperatures up to
eNgiNe on·y
250°F´and ask anyBody who served in
!:=±²³´µ¶·
The Nam how handy chat is. On suCh
FS¸ 2930³741¹106º, 3 25 to 4»25 PSI
heavy equIpment
a
tRaCtors and gradersµ
it's vital.
¶esides, you have co seRviCe your Radia-
tor less, whiCh Keeps down CoRrosion and
Contamination. TheRe's less ChanCe of
dirty water, mud and harmful liquid be¸
ing dumped in youR Coolant.
¶e sure you have the Right Cap. A pRes-
sure Cap that¹s too high or low in pressuRe
release level is going co give you tRouble.
YouR engineºs designeD to operate best
a» a Certain temperature. ¼½ your radiacor
¾ap ¿s lower than Àhe PS¼ speCifieD,
yÁur eng¿ne runs coo ColD anD you lose
poÂer. ¼½ your radiator Cap is Higher
tHan the Pü speCi½ied, your engine runs
Hotter Àhan itÄs sÅposed coÆanD you Could
ruin your engine.
6
5³ton
¼½¾¿ÀÁÂÃÄTų2ºº³series
trUcKs(gas aNd stÆaiGhtÇ
diese¶ engiNes on¶y)
1 vȲton TMÉ244²ÊerieÊ trucks
(
ËÌOO ÍommAndo ÍarÎ ÏRmdÐ ÑiGht
OTHEÒS ÓÔÕ
·sN
2930 147-lO
12Öº× PSØ foÆ
5ÙtoN TÅ 260³series ÚÆUcKs
ÛoN sUrge tankÜ
n 29JO±3²
'
2 ,
º5 PSÝÐ for
º V•³ton TÅÞ2×2³series trucKs
N ³0´´0µ5
4 PSIÐ foÆ ºß³toN
Tų206³series trucKsµdieseà oNày
A sCRewdriver is not a tool ½or testing the eleCtRiCal sysÀem in youR vehiCle.
Çf you don't believe it, just tRy to geE some aCtion out of chat solid state tuRn signal
system afteR some sCRewdRiveRÈhappy guy has been poKing around in the light
soCkets co see if he's goc juiCeÉ
ÃhoRE CiRCuit .
.. bLooey .
.. one solid
state flasheR shot!
Ão, if you see some guy ½ondling a
sCrewdriveR and studying a light soCket,
just waLK him oveR to the tooL Room and
show him the multimeteR in youR No. 1
²ommon Automotive MaintenanCe and
±epaiR Ãhop Êquipment.
Then point his nose at a good eleCtriCal
tRoubleshooting guideËf¹rinstanCe, TM
¶¸
2320È218È20 (Ãep 71), Table 2È4; pages
2È66 thru 2È74, ÌiReCtional Ãignal Ãystem
²iRCuit.
¹
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