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Spark Arrester Screen Maintenance
If the engine becomes sluggish and low on power, check and clean the spark ar- rester 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 dam- age your hearing.
1. With a 4 mm hex wrench remove the 3 engine cover screws and the engine cover. See Figure 26.
2.With a 4 mm hex wrench remove the 3 muffler bolts and the muffler. See Figure 26.
3.With a small flat bladed screwdriver remove the 2 screws holding the spark arrester screen and cover to the muffler. See Figure 26.
4.Remove the screen and clean it with a stiff bristle brush.
5.Inspect the cylinder exhaust port for any carbon buildup.
IMPORTANT!
If you note excessive carbon buildup, consult with an authorized Shindaiwa servicing dealer.
6.Reassemble the spark arrester, muf- fler and engine cover in the reverse order of disassembly.
Engine Cover |
|
Screws |
|
| Cover |
| Muffler |
| Gasket |
| Muffler |
| Muffler |
| Bolts |
| Spark Arrester |
| Screen |
| Spark Arrester |
| Cover |
Figure 26 | Cover |
Screws |
Carburetor Adjustment
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel
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.
IMPORTANT!
If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be
NOTE:
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.
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