TM-9-2320-272-23-2

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

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-2 - Page 649 of 1417

REMOVAL

1.

Remove manifold coupling clamp (Figure 1, Item 4) from front exhaust pipe (Figure 1, Item 5). Using soft-faced

hammer, tap clamp.

2.

Separate front exhaust pipe (Figure 1, Item 5) from exhaust manifold (Figure 1, Item 2) and remove gasket

(Figure 1, Item 3) from front exhaust pipe. Discard gasket.

3.

Loosen screw (Figure 1, Item 17) and nut (Figure 1, Item 15) on dipstick tube (Figure 1, Item 16).

4.

Loosen clamp (Figure 1, Item 12) and remove heater inlet hose (Figure 1, Item 13) and clamp from shutoff

valve (Figure 1, Item 11) on water manifold (Figure 1, Item 1).

5.

Unlock eight key washers (Figure 1, Item 7) and remove eight screws (Figure 1, Item 6), key washers, and

four clamps (Figure 1, Item 8) from exhaust manifold (Figure 1, Item 2). Discard locktabs.

6.

Position oil dipstick bracket (Figure 1, Item 14) out of the way.

7.

Remove exhaust manifold (Figure 1, Item 2) and six gaskets (Figure 1, Item 9) from three cylinder head dowels

(Figure 1, Item 10). Discard gaskets. Separate manifold sections.

TM 9-2320-272-23-2

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0235-2