TM 9-2320-272-24-2
3-225. WHEEL BEARING ADJUSTMENT
THIS TASK COVERS:
b. Rear Wheel Bearing Adjustment
a. Front Wheel Bearing Adjustment
INITIAL SETUP:
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-272- 10
All
TM 9-2320-272-24P
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
EQUIPMENT CONDITION
Wheels chocked (TM 9-2320-272-10).
Torque wrench (Appendix E, Item 145)
Spring brake(s) caged (TM 9-2320-272-10).
MATERIAL/PARTS
Two gaskets (Appendix D, Item 164)
Ten lockwashers (Appendix D, Item 350)
Gasket sealant (Appendix C, Item 30)
Raise vehicle until tire (1) is clear off the ground.
1.
Remove ten screws (7) and lockwashers (6) from drive flange (5) and hub (9). Discard lockwashers (6).
2.
Install two screws (7) into two threaded holes (8) to separate drive flange (5) from hub (9).
3.
Remove drive flange (5) and gasket (4) from hub (9). Discard gasket (4).
4.
Remove two screws (7) from drive flange (5).
5.
Remove outer bearing locknut (3) and bearing nut washer (2) from spindle (11).
6.
While rotating hub (9), tighten outer bearing adjusting nut (12) 50 lb-ft (68 Nm) to set preload.
7.
Back outer bearing adjusting nut (12) 1/6-1/4 turn so bearing nut washer (2) can be positioned to
8.
spindle (11) and adjusting nut insert (10).
Install bearing nut washer (2) and outer bearing locknut (3) on spindle (11). Tighten outer bearing
9.
locknut (3) 250-400 lb-ft (339-542 Nm).
Install new gasket (4) and drive flange (5) on hub (9) with ten new lockwashers (6) and screws (7).
10.
Tighten screws (7) 60-100 lb-ft (81-136 Nm).
Lower vehicle to ground.
11.
3-648
