TM 5-4930-227-14
Section Xl. EXHAUST MUFFLER AND ELBOW, FILL AND DRAIN
PLUGS AND CRANKCASE BREATHER
3-30. General
This section contains the maintenance instructions
for the muffler, fill and drain plugs and the
crankcase breather.
3-31. Muffler
a. Removal. Refer to figure 3-4 and remove
muffler.
Note. Remove wire from coupler before releasing.
b. Exhaust Elbow. Refer to figure 3-20 and
remove exhaust elbow.
c. Disassembly. Refer to figure 3-21 and dis-
assemble muffler.
d. Cleaning and Inspection.
(1) Clean all parts with an approved clean-
ing solvent and dry thoroughly.
(2) Inspect all parts for cracks, breaks and
damaged threads. Replace a defective part.
e. Reassembly. Refer to figure 3-21 and reas-
semble muffler.
f, Installation.
(1) Refer to figure 3-20 and install the ex-
haust elbow.
(2) Refer to figure 3-4 and install muffler.
Note. When installing muffler, gasket set ( 7 , f i g .
3 - 2 1 ) must be installed in the following order. One cop-
per, four asbestos and one copper gasket. Secure coupling
half, quick disconnect levers, with wire.
3-32. Crankcase Breather, Fill and Drain
Plugs
a. Removal. Refer to figure 3-20 and remove
crankcase breather and fill and drain plugs.
b. Cleaning and Inspection.
(1) Clean all parts with an approved clean-
ing solvent and dry thoroughly.
(2) Inspect all parts for cracks, breaks and
damaged threads. Replace a defective part.
c. Installation. Refer to figure 3-20 and in-
stall crankcase breather and fill and drain plugs.
3 - 2 4
