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 644 of 1015

3-101. FRONT

TM 9-2320-272-24-1

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

All

TOOLS

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

MATERIALS/PARTS

Antiseize tape (Appendix C, Item 72)

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

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

Air reservoirs drained (TM 9-2320-272-10).

Battery ground cables disconnected (para. 3-126).

GENERAL SAFETY INSTRUCTIONS

Do not disconnect air lines before draining air

reservoirs.

WARNING

Do not disconnect air lines before draining air reservoirs. Small

parts under pressure may shoot out with high velocity, causing

injury to personnel.

1.

Disconnect wire connector (3) from front wheel drive lock-in switch (2).

2.

Remove lock-in switch (2) from front wheel drive lock-in valve elbow (1).

NOTE

Male pipe threads must be wrapped with antiseize tape before

installation.

1.

Install lock-in switch (2) on front wheel drive lock-in valve elbow (1).

2.

Connect wire connector (3) to front wheel drive lock-in switch (2).

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