20
Important
If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be
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 filter and spark arrestor screen.
2.Start engine and run for several minutes to reach operating tem- perature.
3Check idle speed and reset if necessary. If a tachometer is avail- able, idle speed screw (A) should be set to the specification found on “Specifications” page of this manual. Turn idle screw (A) clockwise to increase idle speed,
WARNING
When carburetor adjustment is completed, the cutting attachment should not move at idle, otherwise serious personal injury may result.
A