TM 9-2320-302-20
0021 00-21
Table 1. Unit Preventive Maintenance Checks and Services (PMCS)
for the M915A3 Tractor Truck - Continued.
ITEM
NO.
INTERVAL
LOCATION
PROCEDURE
NOT FULLY MISSION
CAPABLE IF:
ITEM TO
CHECK/
SERVICE
41
(Con’t)
Annual
Rear Axles,
Differentials
NOTE
There may be approximately 1 pt (0.47 l) of lubricant remaining in filter ele-
ment. Be careful not to spill it when removing element.
b. Use a suitable filter strap wrench to
replace filter element (32) from forward-
rear axle differential.
c. Install plugs (31) and fill differentials with
gear lubricating oil (Item 22 through 25,
WP 0235 00) until level is even with filler
plug (28) openings. Use the following
capacities as a guide. Do not overfill:
Forward-rear 13 qt (12.3 l)
Rear-rear 14.5 qt (13.7 l)
42
Annual
Front and Rear
Wheels,
Wheel Bearings
Remove, clean, inspect, pack, install, and
adjust wheel bearings.
43
Annual
Front and Rear
Wheels,
Brakeshoe
Linings
Check brakeshoe linings for a minimum
thickness of 1/4 in (6.5 mm). Replace worn
or damaged brakeshoes.
44
Annual
Front Axle,
Stop Cushions
Check front axle stop cushions for wear or
deterioration.
45
Annual
Data Plates
Check data plates to ensure legibility.
46
Annual
Collision
Warning System
(CWS)
Align CWS antenna (WP 0110 00).
28
31
32
