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 929 of 1417

INSPECTION

Inspect muffler (Figure 2, Item 3) for cracks. Replace if cracked.

END OF TASK

INSTALLATION

NOTE

Assistant will help with Steps (1) and (2).

1.

Apply small amount of automotive and artillery grease on flange of exhaust pipe (Figure 2, Item 10), position

muffler (Figure 2, Item 3) with narrow side facing away from cab (Figure 2, Item 15) and install gasket

(Figure

2,

Item

11) and muffler on exhaust pipe with coupling clamp (Figure 2, Item 12), screw

(Figure

2,

Item

9), and locknut (Figure 2, Item 13).

2.

Install muffler (Figure 2, Item 3) on muffler shield support (Figure 2, Item 5) with two U-clamps

(Figure

2,

Item

4), U-bolts (Figure 2, Item 2), four lockwashers (Figure 2, Item 6), and nuts

(Figure

2,

Item

7).

3.

Install muffler shield (Figure 2, Item 1) on muffler shield support (Figure 2, Item 5) with four screws

(Figure

2,

Item

14) and locknuts (Figure 2, Item 8).

TM 9-2320-272-23-2

0274

0274-4