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 1297 of 1393

REMOVAL

1.

Loosen two hose clamps (Figure 1, Item 3) and remove inlet hose (Figure 1, Item 5) and outlet hose

(Figure

1,

Item

4) from engine coolant heater pad (Figure 1, Item 1) and adapter (Figure 1, Item 6).

2.

Remove adapter (Figure 1, Item 6) from elbow (Figure 1, Item 7).

NOTE

Mark position of elbow for installation.

3.

Remove elbow (Figure 1, Item 7) and nipple (Figure 1, Item 12) from heater pad (Figure 1, Item 1) at floor

panel (Figure 1, Item 8).

4.

Remove heater pad (Figure 1, Item 1), two blocks (Figure 1, Item 10), four blocks (Figure 1, Item 9), and two

blocks (Figure 1, Item 11) from battery box (Figure 1, Item 2).

TM 9-2320-272-23-4

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