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Maintenance (continued)
3.
With a Phillips type screwdriver,
remove the 5 screws holding the
spark arrester screen and cover to
the muffler.
4.
Remove the screen and clean it with
a stiff bristle brush.
5.
Remove the 3 muffler bolts and the
muffler.
Blade Sharpening
WARNING!
Wear protective gloves when handling or performing maintenance on
the blade.
When the cutting edges of the blade become dull, they can be resharpened with a
few strokes of a file. In order to keep the blade in balance, all cutting edges must
be sharpened equally.
Multiple-tooth Circular Blade
Use a round file to maintain a radius of 0.04 to 1 to 1.5 mm (0.06") at the base of
each tooth. Cutting edges must be offset equally on each side.
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 by an authorized Shindaiwa dealer.
18
6.
Inspect the cylinder exhaust port for
any carbon buildup.
7.
Gently tap the muffler on a wood
surface to dislodge any loose carbon.
8.
Reassemble the spark arrester, muf-
fler and engine cover in the reverse
order of disassembly.
IMPORTANT!
NOTE:
IMPORTANT!
If you note excessive carbon buildup, con-
sult with an authorized Shindaiwa servicing
dealer.
WARNING!
Sharpen only the cutting
teeth of a blade. DO NOT alter the
contour of the blade in any way.
Multiple-tooth Circular Blade
Maintain a radius of 0.04 to 1 to 1.5 mm
(0.06") at the base of each tooth. Cutting
edges must be offset equally on each side
Round
File
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