TM 9-4940-421-14
Section XVI. MAINTENANCE OF ENGINE EXHAUST SYSTEM
4-42. MUFFLER (fig 4-16).
a. Removal.
a. Removal.
(1) Remove insulated wrapping from muffler.
(1) Remove three bolts and three nuts from upper
(2) Remove three bolts and nuts from flange
and lower flange connections.
securing muffler to exhaust pipe.
(2) Remove insulated wrapping from exhaust
(3) Loosen clamp securing muffler to pipe nipple.
pipe.
Remove muffler.
b. cleaning and Inspection.
b. Cleaning and Inspection.
(1) Clean exhaust pipe in solvent and dry
(1) Inspect for soft spots by pressing the shell, and
thoroughly (app D).
for internal deposits of loose rust by shaking the
(2) Inspect exhaust pipe for rust, holes and soft
muffler.
spots. Replace if defective.
(2) Replace if defective.
of removal.
moval.
