Table 1. Unit Preventive Maintenance Checks and Services (PMCS)
for the M915A3 Tractor Truck - Continued.
NOT FULLY MISSION
Take sample of transmission fluid:
a. Ensure that transmission is at operating
b. Remove cap from discharge port. Clean
sampling valve (9) with a rag.
c. Press knob of sampling valve (9) and col-
lect approximately 2 oz. (60 ml) into a
suitable container. Discard fluid.
d. Collect fluid sample into clean sample
bottle to approximately 1/2 in (1.3 cm)
below neck of sample bottle.
e. Install cap on discharge port and check for
a. Check transmission for leaks, loose bolts,
and obvious damage.
b. Check transmission output shaft seal for
damage or leaking.
When lubricating front axle steering components, vehicle must be raised to
take weight off the suspension to permit lubrication to reach all axle bearing
a. Apply grease (Item 15, WP 0235 00) to
grease fittings (10) at top and bottom of
steering knuckle (11) until old lubricant is
purged and fresh grease comes out areas
indicated by arrows. Perform service at
both axle ends.