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 542 of 799

TM 9-2320-272-24-3

4-170. ELECTRICAL LOAD CENTER CONDUIT REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

PERSONNEL REQUIRED

M934/A1/A2

TWO

TOOLS

MANUAL REFERENCES (TM)

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

TM 9-2320-272-10

MATERIALS/PARTS

TM 9-2320-272-24P

TM 9-237

Sealing compound (Appendix C, Item 66)

EQUIPMENT CONDITION

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

a. Removal

1.

Remove cables (5) and (6) from connectors (4) and (8).

2.

Remove eight screws (7) and cover (9) from junction box (1).

3.

Disconnect wiring harness (2) and (3) from connectors (4) and (8) (TM 9-237).

4.

Remove six screws (10) and cover (11) from load center (14).

5.

Pull wiring harnesses (2) and (3) from conduit (20) and load center (14).

6.

Remove nut (15), coupling (13), and nut (12) from conduit (20) and load center (14).

NOTE

Assistant will help with step 7.

7.

Remove two nuts (18) and coupling (19) from conduits (20) and (16). Remove conduit (20) from van

body (17).

b. Installation

1.

Position conduit (20) on van body (17).

2.

Install coupling (19) on conduits (20) and (16) with two nuts (18).

3.

Install coupling (13) on conduit (20) and load center (14) with nut (12) and nut (15).

4.

Route wiring harnesses (2) and (3) through conduit (20) and load center (14).

5.

Install cover (11) on load center (14) with six screws (10).

6.

Connect wiring harnesses (2) and (3) to connectors (4) and (8) (TM 9-237).

NOTE

Apply sealing compound before performing step 7.

7.

Install cover (9) on junction box (1) with eight screws (7).

8.

Install cables (5) and (6) on connectors (4) and (8).

4-806