TM 9-2320-273-20
Table 3-1. Unit Level Preventive Maintenance Checks And Services M915-M920
Item
Interval
Item To Be
Procedure
Not Mission
No.
Inspected
Capable If:
41
Annual
Front
NOTE
Wheel
Do not remove wheels from hubs. Use
Bearings
truck wheel lift to remove wheels and hub
as an assembly.
NOTE
M915 0nly
See paragraph 10-13 for bearing re-
moval and installation.
NOTE
M916/
See paragraph 10-14 for bearing re-
M920
moval and installation.
a. Remove, clean and re-pack with GAA
front wheel bearings.
b. Check wheel bearings for looseness,
b. Loose, damaged
damage or wear (paragraph 10-13 b).
or worn is evident.
c. Clean hub and brake shoe assemblies
with brake cleaning solvent.
NOTE
If hub has one gouge or grooves, turn hub
into Direct Support for resurfacing.
d. Check brake drums for obvious
d. Deep grooves or
grooves and uneven wear.
uneven wear is evi-
dent.
e. Check that brake shoe linings are not
e. Brake shoe lin-
worn less than 1/4 inch.
ings worn less than
1/4 inch.
42
Annual
Axle Brake
NOTE
Cam-Shaft
When using a grease gun, apply lubricant
and Slack
to the fitting until clean lubricant
Adjuster
squeezes out of the part being lubricated.
Lubricate GAA No.1 -4 axle brake cam-
Fitting will not purge
shafts and slack adjusters.
old lubricant out of
component.
3-10.20 Change 4
