Table 3-1. Unit Level Preventive Maintenance Checks and Services M915-M92O
tern To Be
a. Inspect each input and output shaft
seal for damage and leaks.
Do not remove wheels from hubs. Use
truck wheel lift to remove wheels and hub
as an assembly.
b. Remove, clean, and check wheel
bearings for damage or wear (paragraph
c. Clean hub and brake shoe assemblies
with brake cleaning solvent.
If hub has one gouge or grove, turn hub
into Direct Support for resurfacing.
d. Check brake drums for obvious
grooves and uneven wear.
Change forward rear axle oil filter (para-
a. Remove starter (paragraph 5-32).
b. Remove three socket head screws
and add three to five drops of OE/HDO to
b. Wheel bearings
loose, damaged, or
d. Deep grooves or
uneven wear is evi-
Change 4 3-10.21