TM 9-2320-273-20
Table 3-1. Unit Level Preventive Maintenance Checks and Services M915-M920
Item
Interval
Item To Be
Procedure
Not Mission
No.
Inspected
Capable If:
4
Semi-
Fan, Alter-
a. Inspect the pulleys for alignment.
Annual
nator, and
Water
b. Inspect the water pump for leaks and
Pump
fan shrouds to see if they are securely
mounted.
5
Semi-
Alternator
a. Check for loose wiring connections or
a. Loose connec-
Annual
Wiring and
worn insulation.
tions or worn insula-
Engine
tion.
Mount
b. Inspect for cracked or loose engine
b. Cracked or loose
mounts.
engine mounts.
6
Semi-
Air Intake
a. Inspect air cleaner, hoses, and tubing
Annual
System
for proper installation, cracks, breaks, or
loose connections that could let unfil-
tered air get into air intake system.
WARNING
Compressed air used for cleaning pur-
poses will not exceed 30 psi. Use only
with effective chip guarding and personal
protective equipment (goggles/shield,
gloves, etc.).
NOTE
Outside element can be washed up to
five times or blown clean with air an in-
definite number of times. This outside
element is costly and should be reused.
Handle and clean carefully. Inside safety
filter should not be washed or blown
clean and should be replaced every
10,000 miles.
b. Remove air filters and service (para-
b. Air filters have
graph 4-24 B). After servicing, reinstall
holes or damaged
(paragraph 4-24C).
seal.
Change 4 3-9
