MAINTENANCE GT-225
36 X7732273904
© 04/21 ECHO Incorporated
If the engine is adjusted for operation above 330 m (1100 ft.) ASL, the
carburetor must be re-adjusted when operating the engine below
330 m (1,100 ft.) ASL, otherwise 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 dealer.
◆ The cutting attachment may be moving during carburetor
adjustments.
◆ Wear your protective equipment and observe all safety
instructions.
◆ For units equipped with a clutch, be sure the cutting
attachment stops moving when the engine idles.
◆ When the unit is turned off, make sure the cutting
attachment has stopped before the unit is set down.
1. 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; counterclockwise to
decrease idle speed.
When carburetor adjustment is completed, the cutting
attachment should not move at idle, otherwise serious personal
injury may result.
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