Maintenance (continued)

Muffler and spark arrester 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.With a 3 mm hex wrench remove the engine cover screws and the engine cover.

2.With a 4 mm hex wrench, remove the

3 muffler bolts and the muffler.

3.With a small flat bladed screwdriver remove the 2 screws holding the spark arrester screen and cover to the muffler.

4.Remove the screen and clean it with a stiff bristle brush.

5.Inspect the cylinder exhaust port for any carbon buildup.

6.Reassemble the spark arrester, muf- fler and engine cover in the reverse order of disassembly.

IMPORTANT!

If you note excessive carbon buildup, consult with an authorized servicing dealer.

Engine Cover

Engine

Cover

Screws

Muffler

Muffler Gasket

Muffler Bolts

Spark Arrester Screen

Spark Arrester Cover

Cover Screws

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.

IMPORTANT!

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, oth- erwise severe engine damage may result.

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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Shindaiwa X7502825900 manual Carburetor Adjustment, Muffler and spark arrester maintenance, Engine Break-In

X7502825900 specifications

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