TM-9-2320-272-23-4

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 4 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-4 - Page 1307 of 1393

REMOVAL

WARNING

Diesel fuel is flammable. Do not perform this procedure near open flames. Failure to comply

may result in injury or death to personnel.

1.

Disconnect heater harness (Figure 1, Item 12) from heater (Figure 1, Item 1).

2.

Disconnect hose (Figure 1, Item 4) from adapter (Figure 1, Item 3).

3.

Remove adapter (Figure 1, Item 3) from heater (Figure 1, Item 1).

4.

Remove cotter pin (Figure 1, Item 9) from elbow (Figure 1, Item 10) and exhaust port (Figure 1, Item 13).

Discard cotter pin.

5.

Remove two clamps (Figure 1, Item 2) and heater (Figure 1, Item 1) from bracket (Figure 1, Item 8).

6.

Remove four locknuts (Figure 1, Item 7), washers (Figure 1, Item 6), screws (Figure 1, Item 5), two brackets

(Figure 1, Item 8), lockwasher (Figure 1, Item 15), and ground wire (Figure 1, Item 14) from two mounting

brackets (Figure 1, Item 11). Discard lockwasher and locknuts.

TM 9-2320-272-23-4

0760

0760-2