TM-9-2320-272-24-4

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

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

JUNE 1998

TM-9-2320-272-24-4 - Page 580 of 836

TM 9-2320-272-24-4

5-91. VAN HEATER WIRING HARNESS REPLACEMENT (Contd)

4.

Remove thermostat cover (5) from thermostat (6).

5.

Remove four screws (4) and thermostat (6) from control center box (9).

6.

Remove two screws (2) and wires (3) from control center box (9).

7.

Remove four screws (7) and upper cover (1) from control center box (9).

8.

Remove six screws (17) and cover (16) from load center (12).

9.

Remove screw (10) and clamp (11) from wiring harnesses (18).

10.

Remove setscrew (14), screw (13), and two wires (15) from load center (12).

11.

Remove wiring harnesses (18) from van body (8).

b. Installation

1.

Position wiring harness (18) on van body (8) and install two wires (15) on load center (12) with

screw (13) and setscrew (14).

2.

Place clamp (11) on wiring harnesses (18) and install on load center (12) with screw (10).

3.

Install cover (16) on load center (12) with six screws (17).

4.

Install upper cover (1) on center control box (9) with four screws (7).

5.

Install two wires (3) on thermostat (6) with two screws (2).

6.

Install thermostat (6) on upper cover (1) with two screws (4).

7.

Install thermostat cover (5) on thermostat (6).

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