TM 9-4310-394-13
4-27. MUFFLER REPAIR AND REPLACEMENT.
This task covers:
a.
Removal
b.
Inspection
c.
Installation
INITIAL SETUP:
Tools Required
Tool Kit, General Mechanic's (Appendix B, Item 1)
Material's/Parts Required
Gasket, 114250-13200 (Appendix H, Item 5)
Equipment Condition
Air compressor unit shut down and cool.
a.
Removal. (Refer to Figure 4-17).
(1) Remove clamp (1) and spark arrester (2).
(2) Remove two screws (3), two lock washer (4), two flat washer (5).
(3) Remove two hex head nuts (6) and bracket (7) securing the muffler (8) to studs on the exhaust port of the
engine.
(4) Remove two hex head screws (9) securing the bracket on muffler (8) to the rear of the engine.
(5) Lift muffler (8) and gasket (10) from the studs. Discard gasket.
(6) Remove six screws (11) and muffler cover (12).
b.
Inspection.
Carefully inspect muffler for cracks, rust, or pin holes.
c.
Installation.
(1) Install six screws (11) and muffler cover (12).
(2) Position muffler (8) and new gasket (10) onto the studs and line up holds in bracket with rear mounting holes on
engine.
(3) Secure muffler (8) with two hex head nuts (6) and bracket (7) onto the studs and two hex head screws (9) in the
mounting holes on engine.
(4) Install two flat washer (5), two lock washer (4), and two screws (3).
(5) Install spark arrester (2) and clamp (1).
4-58
