3
4
SPARK ARRESTER
Maintenance Interval: The spark arrester should be inspected and cleaned after every 25 hours
of use. Replace the screen if it cannot be thoroughly cleaned or if it is damage.
Maintenance: With the engine at ambient (room) tempera
ture, Remove the tapping screw, and remove the cover.
Remove the two socket head screws holding the tail and
spark arrester to the muffler. Remove and clean the tail,
gasket and spark arrester with a safety solvent and a stiff
brush. If any part cannot be thoroughly cleaned, it must be
replaced. Reinstall the spark arrester and tail onto the muf
fler, then reinstall and tighten the two socket head screws.
Reinstall the cover.
EXHAUST MUFFLER
'f-TAPPING
COVER � SCREW
�
SOCKET
�ri
�TAIL
SCREW
� SPARK
�ARRESTER
Maintenance Interval: The muffler should be inspected and cleaned after each 100 hours of use.
Maintenam1ce:
Remove the engine cover (See Cylinder cooling fins). Remove the spark arrester
(See spark arrester maintenance), clean the muffler with
a
stiff brush. Reinstall the spark arrester
and onto muffler, then rainstall and tighten the two socket head screws. Reinstall the fan cover and
tighten the three socket head screws. Hook the pawl, and reinstall the cyrinder cover then tighten
the two socket head screws and the two tapping screws. Reinstall the plate and tighten the four
socket head screws.
IMPORTANT: Don't use solvent for cleaning inside muffle1r, because of the catalytic con�
verter in muffler.
careful not to allow any dirt or debris to fail into the exhaust port, as this
can cause engine damage.
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