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 662 of 799

4-198. CRANE

TM 9-2320-272-24-3

THIS TASK COVERS:

a. Wiring Harness Disconnection

c. Installation

b. Removal

d. Wiring Harness Connection

INITIAL SETUP:

APPLICABLE MODELS

M936/A1/A2

TOOLS

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

Torque wrench (Appendix E, Item 144)

MATERIALS/PARTS

Six lockwashers (Appendix D, Item 354)

Lockwasher (Appendix D, Item 350)

Lockwasher (Appendix D, Item 379)

Cap and plug set (Appendix C, Item 14)

REFERENCES (TM)

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

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

Boom removed (para. 4-194).

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

GENERAL SAFETY INSTRUCTIONS

All personnel must stand clear during lifting

operations.

1.

2.

3.

4.

NOTE

Tag all parts for installation.

Disconnect wires (5) and (6) of electrical swivel harness (4) from crane wiring harness (7).

Remove nut (8), ground wire (9), nut (8), and lockwasher (10) from frame (11) through underside of

vehicle. Discard lockwasher (10).

Disconnect swivel wire harness (13), wires (14) and (17), and ground wire (15) from floodlight

harness (16).

Remove screw (3), lockwasher (2), and washer (1) from electrical swivel (12). Discard lockwasher (2).

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