Table 3-1. Unit Level Preventive Maintenance Checks and Sewices M915-M920
Item To Be
b. Check wheel bearings for looseness,
damage, or wear (paragraph 10-16b).
c. Clean hub and brake shoe assemblies
with brake cleaning solvent.
If hub has one gouge or groove, turn hub
into Direct Support for resurfacing.
d. Check brake drums for obvious
grooves and uneven wear.
e. Check that brake shoe linings are not
worn less than 1/4 inch.
Off-Highway (M916/M920 as applica-
ble). Change grease whenever seals are
replaced or when brakes are relined.
Lubricate stopmaster wedge brake cham-
bers annually or whenever seals are re-
placed or brakes are relined with GAA.
Change 4 3-10.23