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 788 of 1015

TM 9-2320-272-24-1

3-153. TIE ROD MAINTENANCE

THIS TASK COVERS:

a. Removal

b. Inspection

INITIAL SETUP:

c. Installation

APPLICABLE MODELS

REFERENCES (TM)

All

TM 9-2320-272-10

TOOLS

TM 9-2320-272-24P

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

EQUIPMENT CONDITION

Torque wrench (Appendix E, Item 145)

l

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

MATERIALS/PARTS

l

Wheels chocked (TM 9-2320-272-10).

Two cotter pins (Appendix D, Item 85)

a. Removal

1.

Remove two cotter pins (3) from tie rod ends (5) and nuts (1). Discard cotter pins (3).

2.

Remove two nuts (1) from tie rod ends (5). Mark tie rod ends left and right.

3.

Remove tie rod (10) from 1eft and right steering knuckle arms (2).

4.

Loosen two screws (8), nuts (6), and clamps (7) on tie rod (10).

NOTE

Record number of turns required to remove tie rod ends.

5.

Remove two tie rod ends (5) from tie rod (10).

6.

Remove two tie rod boots (4) and grease fittings (9) from tie rod ends (5).

b. Inspection

Inspect tie rod (10) and tie rod ends (5) for cracks, bends, and stripped threads. Replace tie rod (10)

and/or tie rod ends (5) if bent, cracked, or stripped.

c. Installation

1.

Install two tie rod boots (4) and grease fittings (9) on tie rod ends (5).

NOTE

Use same number of turns recorded during removal of tie rod ends.

2.

Install two tie rod ends (5) on tie rod (10).

3.

Tighten two screws (8) and nuts (6) on clamps (7). Tighten nuts (6) 60-80 lb-ft (81-109 N.m).

4.

Install tie rod ends (5) on left and right steering knuckle arms (2) with two nuts (1). Tighten two

nuts (1) to 160-180 lb-ft (217-244 N.m).

5.

Install two new cotter pins (3) on tie rod ends (5) and nuts (1).

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