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 314 of 799

TM 9-2320-272-24-3

4-104. CROSS TUBE REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

All

TOOLS

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

Torque multiplier

Hydraulic jack

Jack stands

MATERIALS/PARTS

Eight locknuts (Appendix D, Item 331)

PERSONNEL REQUIRED

TWO

REFERENCES (TM)

TM 9-2320-272-24P

• Torque rods (lower) removed (para. 3-170).

EQUIPMENT CONDITION

• Rear springs removed (para. 3-167).

• Spring seat removed (para. 3-169).

GENERAL SAFETY INSTRUCTIONS

Weight of vehicle must be supported on jack stands

at all times.

WARNING

Weight of vehicle must remain supported on jack stands at all

times. Do not attempt to support weight of vehicle on hydraulic

jack. Injury to personnel may result if hydraulic jack fails.

Remove eight locknuts (4), screws (2), and cross tube (3) from two rear axle bogie supports (1). Discard

locknuts (4).

b. Installation

Install cross tube (3) on two rear axle bogie supports (1) with eight screws (2) and new locknuts (4).

Tighten locknuts (4) 1,200-1,300 lb-ft (1,627-1,763 N•m).

4-578