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 669 of 1207
TM 9-2320-361-20
9-4 REAR HUB AND DRUM MAINTENANCE
This task covers:
a. Removal
c. Lubrication
b. Cleaning and Inspection
d. Installation
lNITIAL SETUP:
APPLICABLE MODELS
PERSONNEL REQUIRED
All
Two
MATERIALS/PARTS
REFERENCES (TM)
Outer bearing seal
TM 9-2320-361-10
Inner bearing seal
TM 9-2320-361-20P
Cork gasket
TM 9-214
Eighteen lockwashers
Six wheel studs
EQUIPMENT CONDITION
Ten screws
Wheels chocked (TM 9-2320-361-10).
Ten locknuts
Rear wheel(s) removed (para. 9-2)
Seal
Rear axle shaft flange removed (para. 7-11).
Safety wire (Appendix C, Item 22)
GAA grease (Appendix C, Item 13)
GENERAL SAFETY INSTRUCTIONS
Keep fire extinguisher nearby when using drycleaning solvent.
I
a. Removal
1.
2.
3.
4.
5.
6.
7.
8.
9.
Bend back tabs on adjusting nut washer (22), and remove outer adjusting nut (23), adjusting nut
washer (22), and inner adjusting nut (21) from spindle (8).
CAUTION
Do not slide seal over threaded end of spindle, or damage to seal may result.
Remove outer seal (20), cork gasket (14), and outer bearing (19) from spindle (8). Discard cork
gasket (14) and outer seal (20).
CAUTION
Do not slide hub and drum assembly over spindle, or damage to equipment may result.
Remove hub (13) and drum (18) from spindle (8).
Remove ten locknuts (15), lockwashers (16), and inspection cover (17) from drum (18). Discard
locknuts (15) and lockwashers (16).
Remove ten screws (3) and deflector (2) from adapter (1). Discard screws (3).
Remove hub (13) from drum (18).
Remove safety wire (9), eight screws (10), lockwashers (11), and adapter (1) from hub (13). Discard
safety wire (9) and lockwashers (11).
Remove six wheel studs (12) from hub (13). Discard studs (12).
Remove inner bearing (4) and seal (5) from spindle (8). Discard seal (5).
b. Cleaning and Inspection
WARNING
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 or death to personnel.
1. Clean all hub (13) and drum (18) components with drycleaning solvent, and allow to air dry. Do not
use compressed air to dry bearings (4) or (19).
9-8
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