TM-9-2320-272-24-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 797 of 1015

TM 9-2320-272-24-1

3-157. REAR AXLE SHAFT MAINTENANCE

THIS TASK COVERS:

a. Removal

c. Installation

b. Inspection

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

All

LO 9-2320-272-12

TOOLS

TM 9-2320-272-10

General mechanic’s tool kit (Appendix E, Item 1)

TM 9-2320-272-24P

Torque wrench (Appendix E, Item 144)

EQUIPMENT CONDITION

MATERIALS/PARTS

Parking brake set (TM 9-2320-272-10).

Gasket sealant (Appendix C, Item 30)

a. Removal

1.

Remove ten screws (1) and washers (2) from axle shaft flange (3).

2.

Tap shaft flange (3) and remove axle shaft flange (3) and axle shaft (4) from axle housing (6).

3.

Remove gasket (5) if present, from axle shaft flange (3). Clean gasket or sealant from mating

surfaces. Discard gasket (5).

b. Inspection

Inspect axle shaft (4) and axle housing (6) for cracks, burrs, and damaged splines on shaft. Replace axle

shaft (4) or axle housing (6) if cracked, burred, or shaft has damaged splines.

b. Installation

1.

Coat surface of axle shaft flange (3) with sealant.

2.

Position splined end of axle shaft (4) into axle housing (6). Ensure axle shaft (4) slides into splined

differential gear (7).

3.

Align axle shaft flange (3) to hole in axle housing (6).

4.

Install axle shaft flange (3) on axle housing (6) with ten washers (2) and screws (1). Tighten

screws (1) 80-105 lb-ft (108-142 N.m).

FOLLOW-ON TASK: Lubricate axle assembly (LO 9-2320-272-12).

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