Table 3-1. Unit Level Preventive Maintenance Checks and Services M915-M920
Item To Be
C. Check transmission for cracks, loose
bolts, leaks, and obvious damage.
bolts, or Class Ill
d. Inspect transmission output shaft seal
d. Damage or Class
for damage and leaks.
Ill leaks evident.
e. Drain and refill transmission oil every
e. Do not operate
6,000 miles (9,654 km) or annually,
received from AOAP
whichever comes first.
f. Replace transmission filter.
The exhaust pipe and muffler can be-
come very hot during vehicle operation.
Be careful not to touch these parts with
bare hands, or allow body to come in con-
tact with pipe or muffler. Exhaust system
parts can become hot enough to cause
a. Inspect exhaust manifold, exhaust
a. Evidence of cor-
pipes, muffler, and tailpipe for corrosion,
rosion or carbon de-
carbon deposits which may indicate
b. Inspect for damaged pipes, loose
b. Pipes damaged,
clamps and leaking gaskets or seals.
clamps loose, gas-
kets or seals leaking.
c. Inspect raincap to make sure it oper-
C. Raincap does not
operate freely, does
not close when en-
gine is off, or miss-
Change 4 3-10.7