0.6 - 0.7 mm (.024 - .028 in)

Gear housing

Bolt

Idle speed adjustment screw (T)

SPARK PLUG

•Check periodically.

•Standard spark plug gap is 0.6 to 0.7 mm (0.024 to 0.028 in).

•Replace if either electrode is worn or if the insulator is fouled by oil or other deposits.

•TORQUE = 14.2 to 15.2 N•m (125 to 135 in lb)

CAUTION

Do not over torque.

GEAR HOUSING

•Remove the bolt every 50 hours and check.

•Replenish as necessary, but do not overfill.

-Shell delpena or good quality lithium multi grease is recommendable.

CARBURETOR ADJUSTMENT

Every unit is run at the factory and the carburetor is set in compliance with California Emission Regula- tions, in addition.

1.Before adjusting carburetor clean or replace air filter and muffler, “Spark Arrestor Screen”.

2.Make sure the cutting attachment such as hedge clipper blades or circular saw are properly adjusted. Trimmer line should be extended to cut-off knife.

3.Start engine and run several minutes to bring to operating temperature. Flash choke twice during warm-up to clear any air from the fuel system.

4.Idle Speed Adjustment

•Start engine, turn “idle” speed adjustment screw CW until the cutting attachment begins to turn, then turn screw out CCW until attachment stops turning. Turn screw out, CCW, an addtional 1/4 turn.

WARNING DANGER

CUTTING ATTACHMENT MUST NOT TURN OR MOVE WHEN UNIT IS IDLING.

CAUTION

When strarting, idling adjustment speed should be adjusted not to rotate the cutting attachment. Correct idle speed is adjusted 2,900 to 3,100 r/min. Or 1/4 turn counter clockwise from the point the cutting attachment stops moving. When there is some trouble with the carburetor, refer to your distributor or dealer.

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