PS Magazine - NOVEMBER 1979
PS, The Preventative Maintenance Monthly
ISSUE 324
NOVEMBER 1979
But waTer in your engine can give you oTher fiTs-hydrosTaTiC loCk. ±WaTer
won'T compress wiTH pressure-like air does-so waTer in a cylinder Is like rock
when The pisTon comes up againsT iT. SomeThing²s goTTa give³and iT²Ll probably
´e The connecTing rodµ ¶T²lL ´reak!
You sHould already know a´ouT hydrosTaTiclock. ¶T²s exPlained in FM 21·305
(Apr 75 ), Manual ¸or ¹he Wheeled Vehicle Driverº para 3·2g. ¹his Tells you
i
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h
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a
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y
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os
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a
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Ti
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oc
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ec
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fo
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r
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i
i
T
s
Ì
o
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y
l
oU
won²T damage your
r
,
eNgineµ
•M 21-05/AM 7±²
How T
0
Check for HydrostatIc locK
,
.
0
'
s.
4³
Push clutch peal to floor.
ListEn closE±y and fEE± ToR a hard thud in
thE EnginE as you turn It ovER²
³
Or
aybE
it starts tuRninG ovER and qu´ts wµth a
thunk¶
Or
maybE it won't tuRn ov·
r at al±¸
¹akE your finGEr off that startEr button
riGht noW ºf you GEt any onE of 1hos
»
E
s¼Gns o½ hydRostatic ±ock¾ Your mEchan¿c
wiÀ± chEck ¼t out¸
HE may havE to drÁÂÃ
´
fuEl or watEr from thE cylindErs and Fµnd
out how it Got in thEREÄ
i
Snow or rainº iT²s sTill waTer when iT
I
winds up in your oil·baTH engine air
1
cleaner. ÎaTer sinks To The boTTom of
THe oil reservoir, so The oil level is
raisedµ ¶T²s like Too much oilµ ¹His oil
can be pulled inTo your engineµ
GeT The message? Ïheck your air
cleaner oil level more ofTen dUrinÐ
winTer²s snowy or rainy weaTher. ¶f iT²s
Too high, you can beT There²s waTer on
THe boTTom of The reseRvoir. Dump iT
ouT and refill wiTh clean oil³To The
righT levelµ
Water
2±
aIr
{and snow?
ra±n?)
I
TM-218²SErIEs l4³Ton Trucks .
.´
Graphite for Exhaust Leak
won'T
Tanker Freez± Fixes
¹wo
difÑerenT
Ñuel
dispensing
ÒeHicles Have a common pro´LemÓ
ÔaTer freezing in inclosed spaces and
causing damageÕ
(Goer)
2º5Ö0×gal
Tanker
ØÙ3ÙA5
5,Ö00·Ðal
semiTrailer
Truck-ÑaiLure of rear doorº door seal
Tanker-rear
access
ladder
Tu´ing
and weldmenT because of ice in The
·
spLiTsÚ So yo
µ
u geT your supÛor
.
T To dr
!
ll
door supporT ´oTTom weldmenTÜ ¹he
±/
drain HoLes
m
THe ladder, like ÝT says
m
same
T
giÒes insTrucTions for drilling
²F:
¹B 43·0ÖÖÙ·39·1 (Apr 79).
drain holes
.
•
²
\µ¶¸¹
³
1³.
,
_: µ
21
².'³,´µ¶·
¸
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