b . D i s a s s e m b l y . R e f e r t o f i g u r e 4 - 1 7 a nd
d i s a s s e m b l e t h e m u f f l e r .
Key to figure 4-17:
1 Cap
2 Muffler
3 Plug
4 Coupling half
5 Nut
6 Washer
7 Gasket set
8 Coupling half
9 Elbow
10 Screw
11 Bracket
c. Cleaning and Inspection.
(1) Clean and dry all parts thoroughly.
(2) Inspect the muffler for cracks, broken
seams. damaged threads, and other damage.
(3) Inspect the crankcase breather and other
Figure 4-17. Muffler and attaching hardware, exploded view.
t h r e a d e d p a r t s f o r d a m a g e d t h r e a d s , c r a c k s ,
distortion, and other damage.
(4) Replace all defective parts.
d . R e a s s e m b l y . R e f e r t o f i g u r e
4 - 1 7 a nd
reassemble the muffler.
e. Installation.
(1) Refer to figure 4-16 and install the exhaust
elbow, male coupling half, and crankcase breather.
(2) Refer to figure 4-5 and install the muffler.
4-29. Oil Filler and Drain Plug
a. Removal. Refer to figure 4-18 and remove the
oil filler and drain plug.
Figure 4-18. Oil filler and drain plug, removal and installation.
4-26
