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 1229 of 1393

REMOVAL

NOTE

•

Have drainage container ready to catch coolant.

•

Use drain pans to retain leaking/draining fluids. Refer to local procedures and plans for

preventing and responding to fluid spills or leaks. Comply with local regulations when

disposing of clean up material and leaked and spilled fluids.

•

The personnel heater inlet hose and outlet hose are removed the same. This procedure

covers the inlet hose.

1.

Loosen hose clamp (Figure 1, Item 9) and remove heater inlet hose (Figure 1, Item 1) from elbow

(Figure

1,

Item 8).

2.

Remove nut (Figure 1, Item 6), screw (Figure 1, Item 4), clamp (Figure 1, Item 5), and heater inlet hose

(Figure

1, Item 1) from heater (Figure 1, Item 7).

3.

Loosen hose clamp (Figure 1, Item 2) and remove heater inlet hose (Figure 1, Item 1) from oil cooler shutoff

valve (Figure 1, Item 3).

TM 9-2320-272-23-4

0746

0746-2