PS Magazine - TB 43-PS-439
PS, The Preventative Maintenance Monthly
ISSUE 439
JUNE 1989
M1·Series Tanks .
..
Right Trans Fan Runs Continuously
-
-:±²
I
f the rigHt transmission cooling fAn
on your ML tank does not run when
the engine is running, Have it modified
by DS/GS now.
THe modification disables the elec-
±ric clu²ch fOr the rigH² Fan, allowing
t³e fan to run con²inuous´yµ Wit³out
±He modiFication, ±he Fan won't cut on
auto¶atica´ly until ±³e transmission oi´
temperature reacHes almost 320 de-
grees ·. By t³en, the ±ransmission is
already damaged¸
¹pen ²He right rear hand grille door
and have the engine startedº If the mod-
ification has been applied, the fan will
opera±e as soon as the engine is started¸
Your DS/GS shop will appl» modifi-
cation XM¼½1156¾B wHen you tell 'em
»ou've got an unmodif¿ed fÀnº
2
JUN 89
oss of engine power can sometimes
be traced to a missing sPRing pin on
tHe inÁe guiÃe vane belÁcraN (ÄGV)Å
The sPriÆg Pin sometimes backs out
duRing normaÁ opeRation.
DUring your next semiannUal
schedUÁed services, measuRe the ÇGV
bellcranK spring pin to make sure i²
doesn't extend more than
\
inch out
of Âhe bellcrankº
Çf the spring does extend more than
±/4
inch, notify DSº
M48A5, M60-SerIes Tank Cannon PMCS
I
n case any oF you M48È5 or M60½series tank owners missed it, here's the
word: Éage 6¾20 of TB 43¾0001½36¾6 (Jul 82) changed the annual maintenaÆce
program Êr the M68 cannon and breec³ ring assembly to a 2¾yeË programÌ
Some TM's haven't been changed »et, so if the gun hasn'Â been removed or
repÁaced Êr maintenance service within a period of two »eÀrs, notify supPort
maintenance. See the "ÍemÀrksÎ column of DÈ ·orm 2408¾4 in ²he equipment
jog book Êr the service inÊrmation.
JUN 89
3
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