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MAINTENANCE EB910 / RT
44 X7501200801
© 09/22 ECHO Incorporated
If the engine is adjusted for operation above 335 m (1,100 ft.) above
sea level, the carburetor must be re-adjusted when operating the
engine below 335 m (1,100 ft.) above sea level, otherwise severe
engine damage may result.
Level 2.
Parts required: None.
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 dealer.
Idle Adjustment
Before adjustment make sure that:
• Air filter is clean and properly installed.
• Spark arrester 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
A
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