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 927 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 four locknuts (Figure 1, Item 8), screws (Figure 1, Item 14), and muffler shield (Figure 1, Item 1) from

muffler shield support (Figure 1, Item 5). Discard locknuts.

NOTE

Assistant will help with Steps (2) and (3).

2.

Remove four nuts (Figure 1, Item 7), lockwashers (Figure 1, Item 6), two U-bolts (Figure 1, Item 2), U-clamps

(Figure 1, Item 4) and muffler (Figure 1, Item 3) from muffler shield support (Figure 1, Item 5). Discard

lockwashers.

3.

Remove locknut (Figure 1, Item 13), screw (Figure 1, Item 9), exhaust pipe coupling clamp (Figure 1, Item 12),

muffler (Figure 1, Item 3), and exhaust pipe gasket (Figure 1, Item 11) from exhaust pipe (Figure 1, Item 10).

Discard locknut and gasket.

TM 9-2320-272-23-2

0274

0274-2