TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 705 of 1337

TM 9-2320-260-20

9-6. WHEEL BEARING ADJUSTMENT

THIS TASK COVERS:

Wheel Bearing Adjustment

INITIAL SETUP

APPLICABLE MODELS

EQUIPMENT CONDITION

All

Parking brake set (TM 9-2320-260-10).

REFERENCES (TM)

Raise and support axes (para. 9-2).

Front axle shaft flange removed (para. 7-10).

TM 9-2320-260-10

Rear axle shafts removed (para. 7-12).

TM 9-2320-260-20P

Wheel Bearing Adjustment

NOTE

Wheel must turn freely prior to wheel bearing adjustment.

Adjustment procedure for front and rear wheel bearings are the

same. This procedure covers the rear wheel bearings.

Inner and outer adjusting nut torque values are the same for

all wheels.

Wheels must be rotated in both directions to correctly position

wheel bearings.

1. Remove outer adjusting nut (1) and adjusting nut washer (2).

2. Continuously turn wheel (3) while tightening inner adjusting nut (4) 50 lb-ft (68 N

•

m), then back off

inner adjusting nut (4) 1/4- to 1/3-turn.

3. Install adjusting nut washer (2) and adjusting nut (1). Tighten outer adjusting nut (1) 250-400 lb-ft

(339-542 N

•

m).

FOLLOW-ON TASKS:

Install rear axle shafts (para. 7-12).

Install front axle shaft flange (para. 7-10).

Lower axles (para. 9-2).

9-20