UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
Table 1. Unit Preventive Maintenance Checks and Services
(PMCS) for the M915A3 Tractor Truck.
NOT FULLY MISSION
Unless otherwise specified, perform all lubrication and preventive mainte-
nance checks and services with truck on level ground, transmission in N
(Neutral), parking brake applied, and engine off. Failure to follow this
warning may result in personnel injury.
Perform all operator PMCS, as appropriate, while performing road test
(TM 9-2320-302-10). Drive at least 5 mi (8 km) to give enough time to
While starting vehicle, listen for unusual
noises and difficult cranking of starter.
a. Listen for unusual noises, hesitation, and
varying idle speed. Observe accelerator
b. Ensure that engine does not exceed maxi-
mum governed speed (2100 rpm).
c. Check instrument panel for proper opera-
tion of switches, gages, and indicator and
warning lights (TM 9-2320-302-10).
Refer to TM 9-2320-302-10 for operation of brake components.
a. Test braking response to brake pedal.
Response should be immediate.
b. At approximately 30 mph (48 kph),
apply brake pedal. Vehicle should stop
smoothly without noticeable side pull or
c. After stopping vehicle, with transmission
in gear, release brake pedal. Wheel brake
release should be immediate.
d. With vehicle on downgrade and trans-
mission in N (Neutral), set parking brake.
Vehicle should not move.