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:
2
Semi-
Fuel
b. Purge and clean fuel tank (TB
Annual
System
43-0212), if required.
Continued
c. Inspect fuel injection pump, nozzle
c. Rubber cap miss-
Iines, and fittings for leaks and damage.
ing or torn on return
line. Any nozzle
loose or damaged.
d. Inspect all fuel lines for loose connec-
d. Any Class III leak.
tions, splits, cracks, and kinks that could
leak.
3
Semi-
Engine Ac-
a. Check for missing, broken, cracked
a. Any drivebelt is
Annual
cessory
and frayed drivebelts. Check alternator
missing or broken.
Drive Belt
and fan belts 1/2 inch or less adjustment
Belt fiber has more
for looseness, dry rot, excessive fraying
than one crack (1/8
and cracks.
inch in depth or 50%
of belt thickness) or
has frays more than 2
inches long.
b. Check fan belt (paragraph 4-45D) and
b. Belts are loose.
alternator belt (paragraph 4-55C) for ad-
justment.
3-8 Change 4
