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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 ECHO dealer.
Idle Adjustment
Before adjustment make sure that:
•Air filter is clean and properly installed.
•Spark arrestor screen and muffler are free of carbon.
•Blower pipes are installed.
1.Start engine, run at idle for one minute.
2.Complete warm up by running at full throttle for 5 minutes, operating choke twice to clear air from carburetor chambers.
3.Check idle speed and reset if necessary. If a tachometer is available, idle speed screw (A) should be set to the specifications found on "Specifications" Page of this manual. Turn idle screw (A) clockwise to increase idle speed; counter clockwise to decrease idle speed.
A
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