PS Magazine - TB 43-PS-606

PS, The Preventative Maintenance Monthly

ISSUE 606

MAY 2003
PS Magazine - TB 43-PS-606 - Page 4 of 32
PS 606
MAY 03
4
M1-Series Tanks…
y
ou can tell when things get too hot by the warning
light on the driver’s control panel. Don’t overlook it!
If the transmission goes down, your mission is over.
Even if the troubleshooting info in your -10-2 TMs
doesn’t turn up a solution, you shouldn’t ignore the
light and drive on. There’s a problem somewhere, so
call in your mechanic.
The
first way
you can try on the spot. Open the right- and left-hand top grille
doors and both rear grille doors. Also, open the access cover to the plenum. Clean
out any debris or sand you see in the airway.
Then run the engine at tactical idle while pouring a couple of buckets of water into
the access holes. The fans propel the water against the cooler fins hard enough to
wash away most of the gunk that’s causing the overheating.
If oil has turned the sand into a sticky mess, you’ll need to use the
second way—
a full-blown oil cooler washing. If that is not possible in the field, tow—don’t
drive—the tank to a location where the oil coolers can be properly cleaned.
Mechanics,
there are
two ways
to
clean the
transmission
oil coolers.
A sand-
clogged oil
cooler means
an overheated
transmission
for your tank.
Pour water in open
access holes
Watch for red
warning lights
Fan
forces
water
against
cooling
fins…
…and
cleans
gunk
off oil
coolers
Oh, great!
a clogged oil
cooler has
overheated my
transmission!
once you’ve
cleaned the
inside…
…could you
hang up one of
those little tree
air fresheners?
thanks!
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