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Spark Arrester Screen Maintenance
If the engine becomes sluggish and low
on power, check and clean the spark
arrester screen.
WARNING!
Never operate the unit with a damaged
or missing muffler or spark arrester!
Operating with a missing or damaged
spark arrester is a fire hazard and
could also damage your hearing.
1. Remove the 2 muffler cover screws
and the muffler cover. See Figure 24.
2. Remove the 3 screws holding the
spark arrester screen,gasket and
cover to the muffler. See Figure 24.
3. Remove the 2 muffler screws and
the muffler. See Figure 24.
4. Remove the spark arrester screen
and clean it with a stiff bristle brush.
5. Inspect the cylinder exhaust port for
Carburetor Adjustment
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel break-in before carburetor adjustments can be
made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can
be adjusted as required.
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to
1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above
1,100 feet ASL the carburetor may need to be adjusted by an authorized Shindaiwa service dealer.
If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be re-adjusted when operating the
engine below 1,100 feet ASL, otherwise severe engine damage may result.
Every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments,
other than idle speed, must be performed
16
Muffler cover
Cover screws
Screw
Spark arrester
cover
Figure 24
any carbon buildup.
6. Reassemble the spark arrester,
muffler and muffler cover in the
reverse order of disassembly.
IMPORTANT!
NOTE:
by an authorized Shindaiwa dealer.
Muffler
Muffler screws
Spark arrester
screen
Gasket
IMPORTANT!
If you note excessive carbon buildup,
consult with an authorized Shindaiwa
servicing dealer.
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