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48016D
48018
Remove the Engine Cover
Engine Cover
First, remove the
spark plug
Engine
Cover
Remove four Allen-
head capscrews
Muffler Body
Mounting
Screws
Gasket
Exhaust
Tube
Arrester
Screen
Tail Cap
135-HOUR MAINTENANCE
Every 135 hours of operation,
remove and clean the muffler.
WARNING!
Never operate the machine with
a damaged or missing mufer
or spark arrester! Operating with
missing or damaged exhaust com-
ponents is a re hazard and could
also damage your hearing.
Figure 15
Figure 16
5. Use a plastic scraper or wire brush to
remove carbon deposits from the arrester
screen, exhaust tube and tail cap.
6. Inspect the screen carefully, and replace
any screen that has been perforated, dis-
torted, or is otherwise unserviceable.
Remove the Muffler.
1. Remove the spark plug.
2 Use the 4mm Allen wrench to remove
the four engine cover screws , and
then slide the cover from the engine
taking care not to misplace the cyl-
inder-to-cover insulating gasket. See
figure 15.
3. Pry the muffler screw retaining
tabs away from the screw heads and
remove the two 6 mm muffler screws.
Remove the 5 mm lower muffler
screw, then remove the muffler assem-
bly from the engine. See figure 16.
Remove the Spark Arrester.
4. Use the screwdriver to remove the
three exhaust tube mounting screws,
and then remove the tail cap, exhaust
tube, gasket, and arrester screen. See
figure 16.
7. Gently tap the muffler on a wood surface
to dislodge any loose carbon.
8. Inspect the cylinder exhaust port for
carbon buildup.
IMPORTANT!
If you note excessive carbon buildup, con-
sult your servicing dealer.
9. Reassemble the muffler in the reverse
order of disassembly.
IMPORTANT!
Reset the muffler screw retaining tabs to
prevent the muffler screws from loosening.
5 mm
Lower
Screw
Muffler Screw
Retaining Tab
6 mm
Muffler
Screws
15