PS Magazine - NOVEMBER 1977
PS, The Preventative Maintenance Monthly
ISSUE 300
NOVEMBER 1977
-
:
±²
³´
Your bible foR antifreeze foR LiquId cooliNg systems Is TB 750-651(aN71). ±t
spelLs oUt pRoced²Res foR cLeaNINg aNd coNdItio³iNg cooLiNg systeMs
´
aNd gIves
the type aNd amouNt of aNtifReeze needed foR vaRious degRees
µ
oF PRotectIoN.
This TB ap¶lies to alL ARmy equipmeNt.
ANd T· 750¸254 ¹·ar 72), Ch 1 ¹Oct 72), telLs you eveRythi"Ng else you ³eed
to kNow abo²t CooLiNg Systems: Tacticaº VehicLes.
USE THIs ChRt A± a
GuiDB W²eN F³Ll´ng
µ
YO¶r co·¸I¹º »y¼½¾M.
+20°F
+10°F
0°F
-10°F
-20°F
-30°F
-40°F
-50°F
-55°F
Pints of Ethylene
Glycol needed In
each gallon of water.
RN
2
2%
3¥
3Y
4
r-
»or gooD opeRatioN, a cooliNg system should heat up to ¼60° to ½80°»
regardless of the cold weatheR. ±f It woN't, have the ENgiNe¾s thermostat
checked¿it coULd be stuck opeN aNd Need RepLacINg.
CooLiNg systems that coNstaNtly go oveR 200° aLso Need atteNtioN. AgaiN it
couLd be a bad thermostat, a clogged Radiator, a bad RadiatoR cap of fILthy
cooLaNt. OR maybe the flow of aÀR is blockedÁ
AIR cooled systems doNÂt Need too mÃch atteNtioNÄ ALL they Need is a good
flow of air with aLl the aiR¸flow shRouds IN place. To speed up heatINg iN zeRo
weather, you caN paRtIaLly coveR the air iNtake grills with caNvas wheN staRting.
Just be sure to take it off afteR the eNgiNe Reaches opeRatiNg tempeRature.
6
µ
¶·
±;
¿
,
.
'
±
"
,±
;
:
d
,¸¹º
»¼
²
-± ·_
²
'
³ •´£
µ¶"·¸
-
!
² ³., ´
ÀÁÂ
t³_
ÃÄfÅ_ ÆÇ
AÅteR every daIly oiL¸LeveL check, sNiff the dipstick foÆfuel. AÇd use yoUR eyes
aNd fINgers to detect sludge. ·oisture coÇtamiNatioN is Hard to detect UÇlÈss itÉs
ReaLLy badÄ ±f yo² suspect it, dRaw a sÊmËle aNd let it staNd iN a glass jarÄ WateÌ
will sHow by sepaRatiNg fRom the oiLÄ
ÍheN coNtamiNatioN Is fouNd, cHaÇge the oil aNd oil filtersÎ
±f you¾Re UsINg OÏS oR the New AÐG ÐÑ #ÒArcticÈÇgiNe oil, check yoUr oiÓ
LeveL ofteN because an eÇgiNe wilL coNsume more oÅ this thiN oil tHaN OÏÄ Keep
Ô
aN eye oÇ the oiL¸pRessure gageÕ a pressure dRop caN iNdicate Öow oil× ±Å yoUØre oÙ
a loNg rUN, check the oIl several times a dayÄ And Never overfilL to c²t or sÚip oiÓ
checksÄ OverfillIÇg causes other troUbles, so doN¾tÛ push
Ü
yoUr lUck.
Same goes for the rest of the chassis¿ doNÝt overÞlUbeÄ Globs oÅ colDß
stiffeNed grease caN cause àaáts to bINd aNd lockÄ
CoNdeNsatIoN is aLways LookINg foR
a pLace to haâpeN. So, IN betweeN youR
ReguãaR peRIodIc lube seRvIces, check
o³e oR 2 of yoÃR geaR cases; Like a
dIfäeReNtIal, tRaNsmIss
_
Io³ oR tRaNsfeR.
ANy evIdeNce of wateR coNtamI³atIåN
Is the sigNal foR aN oIl cha³ge.
±
'
;½ ¾
¿À
È
µ•
¶
"
É
¹
²
-
³
·:;{
r
´
µ
ÁIÂ
Ã
ÄÅÆÇ
È
´µ¶ ·.¸¹º»¼
¸¹
.¶¸¹
_
,º»
¼
\
½
½
N
²
·
³
Ê=ËÌÍÎÏÐ
Back to Top Back to Top
