Echo HC-245 Trimmer User Manual


 
20
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.
Tools required: Screwdriver, Tachometer (ECHO P/N
99051130017).
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 tempera-
ture.
3 Check idle speed and reset if necessary. If a tachometer is avail-
able, idle speed screw (A) should be set to the specication found
on page 26 “Specications” 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.
A