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16
135-hour Maintenance
Every 135 hours of operation,
remove and clean the muffler.
WARNING!
Never operate this trimmer
with a damaged or missing mufer or
spark arrester! Operating with missing
or damaged exhaust components is
a re hazard, and can also damage
your hearing!
1. Remove the spark plug boot.
2. With a 3 mm hex wrench remove the 1
muffler cover and 3 engine cover screws
and the engine cover. See Figure 30.
3. With a Phillips type screwdriver remove
the 5 screws holding the spark arrester
screen and cover to the muffler. See
Figure 30.
4. Remove the screen and clean it with a
stiff bristle brush.
5. With a 4 mm hex wrench remove the 3
muffler bolts and the muffler.
See Figure 30.
6. Inspect the cylinder exhaust port for any
carbon buildup.
7. Gently tap the muffler on a wood surface
to dislodge any loose carbon.
Engine Cover
Screws
IMPORTANT!
If you note excessive carbon buildup, consult
with an authorized Shindaiwa servicing
dealer.
8. Reassemble the spark arrester, muffler
and engine cover in the reverse order of
disassembly.
Figure 30
Muffler
Cover
Engine
Cover
Muffler
Cover Screw
Spark Arrester
Screen
Muffler
Gasket
Muffler
Spark Arrester
Cover
Gasket
Screws
Mufer
Screws
Outlet