TM-9-2320-272-24-2

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

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 488 of 991

TM 9-2320-272-24-2

3-427. 100-AMP ALTERNATOR HARNESS REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INlTlAL SETUP:

APPLICABLE MODELS

All

TOOLS

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

MATERIALS/PARTS

Five tiedown straps (Appendix D, Item 696)

Two lockwashers (Appendix D, Item 379)

Lockwasher (Appendix D, item 416)

REFERENCES (TM)

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDlTlON

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

• Hood raised and secured (TM 9-2320-272-10).

• Left and right splash shields removed

(TM 9-2320-272-10).

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

a. Removal

NOTE

Tag wires, connectors, and cables for installation.

1.

Remove three screws (6), washers (5), and clamps (4) from firewall (2), front wiring harness (22),

and voltage regulator wiring harness (3).

2.

Remove four tiedown straps (7) from front wiring harness (22) and voltage regulator wiring

harness (3). Discard tiedown straps (7).

3.

Remove two nuts (18), washers (17), and clamps (16) from personnel heater (1).

4.

Remove tiedown strap (15) from wiring harness (10). Discard tiedown strap (15).

5.

Disconnect harness connector (8) from alternator (9).

6.

Disconnect connectors (12) and (13) from wires (11) and (14).

7.

Disconnect harness connectors (19) and (21) from regulator (20).

3-1096