TM-9-2320-272-24-3

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 432 of 799

TM 9-2320-272-24-3

4-134. TORSION BARS AND CROSSMEMBERS REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

All

TM 9-2320-272-24P

TOOLS

EQUIPMENT CONDITION

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

Hood removed (para. 3-275).

MATERIALS/PARTS

Four locknuts (Appendix D, Item 291)

Two cotter pins (Appendix D, Item 65)

GAA grease (Appendix C, Item 28)

a. Removal

1.

Remove two cotter pins (3) from two hinge pins (5). Discard cotter pins (3).

2.

Remove four locknuts (7) and screws (2) from two torsion bars (1) and mounting brackets (8)

and (10). Discard locknuts (7).

NOTE

Ensure hood and crossmember are supported when hinge pins are

removed.

3.

Remove two hinge pins (5) and bracket (9) from hood (4).

4.

Remove two torsion bars (1) from mounting brackets (8) and (10).

b. Installation

NOTE

Coat hinges and hinge pins with GAA grease.

1.

Position two torsion bars (1) in mounting brackets (10) and (8).

2.

Install two torsion bars (1) on mounting brackets (8) and (10) with four screws (2) and locknuts (7).

3.

Position hood (4) with bracket (9) and hinge (6) and install hinge pin (5) and cotter pin (3).

4-696