TM-9-2320-361-20
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
OCTOBER 1991
TM-9-2320-361-20 - Page 667 of 1207
TM 9-2320-361-20
9-3. FRONT HUB AND DRUM MAINTENANCE
This task covers:
a. Removal
c. Lubrication
b. Cleaning and Inspection
d. Installation
INITIAL SETUP
APPLICABLE MODELS
All
MATERIALS/PARTS
Ten lockwashers
Six wheel studs
Ten screws
Inner bearing seal
GAA grease (Appendix C, Item 13)
REFERENCES (TM)
TM 9-2320-361-10
TM 9-2320-361-20P
TM 9-214
EQUIPMENT CONDITION
●
Front wheel (s) removed (para. 9-2) and rear
wheels chocked (TM 9-2320-361-10)
●
Front axle shaft flange removed (para. 7-10).
PERSONNEL REQUIRED
GENERAL SAFETY INSTRUCTIONS
Two
Keep fire extinguisher nearby when using
drycleaning solvent.
a. Removal
I
1. Bend back tab s on adjusting nut washer (13) and remove outer adjusting nut (14), adjusting nut
washer (13), and inner adjusting nut (12) from spindle (8).
2. Pull hub (2) and drum (10) with outer bearing (11) out about one inch. Push hub (2) and drum (10)
back, and remove outer bearing (11).
CAUTIO N
Do not slide hub and drum assembly over-threaded end of spindle, or
damage to equipment may result.
3. Remove hub (2) and drum (10) from spindle (8).
4. Remove ten nuts (15), lockwashers (16), and inspection cover (17). Discard lockwashers (16).
5.
Remove six wheel studs (9) from adapter (4) and hub (2). Discard studs (9).
6. Remove ten screws (5) from adapter (4) and drum (10). Discard screws (5).
7. Remove inner bearing (6) and seal (7) from spindle (8). Discard seal (7).
I
b. Cleaning and Inspection
I
1.
2.
3.
4.
5.
9-6
WARNIN G
Drycleaning solvent is flammable and will not be used near open
flame. Use only in well-ventilated places. Failure to do so may result
in injury to personnel.
Clean all hub (2) and drum (10) components with drycleaning solvent, and allow to air dry. Do not
use compressed air to dry bearings (6) or (11).
Inspect inner and outer bearings (6) and (11) (TM 9-214). If damaged, replace,
Inspect inner and outer bearing cups (1) and (3) (TM 9-214). If damaged, replace.
NOT E
Perform steps 4 and 5 only if bearings or bearing cups are to be replaced.
Remove inner and outer bearing cups (1) and (3) from hub (2) by tapping alternately on outer edge.
Press new inner and outer bearing cups (1) and (3) into hub (2). Ensure cups (1) and (3) are seated.
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