TM 9-2320-302-20
0021 00-7
Table 1. Unit Preventive Maintenance Checks and Services (PMCS)
for the M915A3 Tractor Truck - Continued.
ITEM
NO.
INTERVAL
LOCATION
PROCEDURE
NOT FULLY MISSION
CAPABLE IF:
ITEM TO
CHECK/
SERVICE
14
(Con’t)
Semi-
annual
Engine
Compartment,
Power Steering
Components
c. Replace filter element.
d. Install plug (7). Fill reservoir (6) through
dipstick (8) opening with OE/HDO or
OEA (Items 18 through 22, WP 0235 00).
Capacity is approximately 2 qt (1.9 l).
e. Start engine (TM 9-2320-302-10). Bring
to operating temperature. Turn steering
wheel in both directions to circulate power
steering fluid.
f. Check level of fluid on dipstick (8). Add
fluid as required until level shows within
correct range on dipstick.
15
Semi-
annual
Engine
Compartment,
Electrical
Components
a. Inspect wiring for frays, splits, missing
insulation or poor connections. Make
repairs as needed, if authorized.
b. Check alternator and DUVAC wiring for
frays, splits, missing insulation, and loose
terminal connections. Make repairs as
needed, if authorized.
16
Semi-
annual
Cab Floor and
Engine
Compartment
Firewall,
Foot Brake Valve
Remove foot brake valve from firewall.
Lubricate sliding surfaces of plunger and
adapter bore with silicone grease (Item 16,
WP 0235 00). Install foot brake valve.
8
6
7
