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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, 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 compli-
ance with emission regulations. Carburetor adjustments, other than
idle speed, must be performed by an authorized ECHO dealer.
1. Before adjusting the carburetor, clean or replace the air lter and
spark arrestor screen.
2. Start engine and run for several minutes to reach operating tem-
perature.
3 Check idle speed and reset if necessary. If a tachometer is avail-
able, idle speed screw (A) should be set to the specication found
on “Specications” page of this manual. Turn idle screw (A)
clockwise to increase idle speed, counter-clockwise to decrease
idle speed.
WARNING
When carburetor adjustment is completed, the cutting attachment
should not move at idle, otherwise serious personal injury may
result.