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 933 of 1417

REMOVAL

WARNING

Do not touch hot exhaust system components with bare hands. Failure to comply may result

in injury or death to personnel.

1.

Remove two screws (Figure 1, Item 14) and heat shield (Figure 1, Item 13) from cab heat shield brackets

(Figure 1, Item 7).

2.

Remove locknut (Figure 1, Item 3), screw (Figure 1, Item 20), exhaust pipe coupling clamp (Figure 1, Item 4),

and gasket (Figure 1, Item 2) from muffler flange (Figure 1, Item 1). Discard locknut and gasket.

3.

Remove locknut (Figure 1, Item 12), screw (Figure 1, Item 8), exhaust pipe coupling clamp (Figure 1, Item 9),

and gasket (Figure 1, Item 10) from front exhaust pipe flange (Figure 1, Item 11). Discard locknut and gasket.

4.

Remove two locknuts (Figure 1, Item 15), screws (Figure 1, Item 5), top support bracket (Figure 1, Item 6),

and rear exhaust pipe (Figure 1, Item 19) from bottom support bracket, muffler flange (Figure

1,

Item

1), and

front exhaust pipe flange (Figure 1, Item 11). Discard locknuts.

5.

Remove two locknuts (Figure 1, Item 17), screws (Figure 1, Item 16), and bottom support bracket

(Figure

1,

Item 6) from crossmember (Figure 1, Item 18). Discard locknuts.

6.

Remove gasket remains from rear exhaust pipe (Figure 1, Item 19) flange, front exhaust pipe flange

(Figure

1, Item 11), and muffler flange (Figure 1, Item 1).

TM 9-2320-272-23-2

0275

0275-2