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26 X7504083607
© 9/2014 ECHO Inc.
MAINTENANCE TC-210
Note: Every unit is run at the factory and the carburetor is set in compliance with emission regulations. In
addition, the carburetor is equipped with HI (A) and LO (B) needle adjustment limiters that prevent
settings outside acceptable limits
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 ECHO dealer.
1. Before adjusting the carburetor, clean or replace the air filter and spark arrestor screen.
Sharp rotating tines! Do not allow tines to touch anything during carburetor adjustment. Contact with
revolving tines will cause severe injury.
2. Start engine and run for several minutes to reach operating
temperature.
3. Stop engine. Turn HI (A) speed needle CCW (counter
clockwise) to stop. Turn LO (B) speed needle midway
between full CCW and CW (clockwise) stops.
4. Idle Speed Adjustment
Start engine and turn idle speed adjustment screw (C), CW
until the tines begin to turn, then turn the screw CCW until
tines stop turning. Turn screw CCW an additional 1/4 turn.
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel
from engine then return to idle. Accelerate to full throttle to
check for smooth transition from idle to full throttle. If engine hesitates, turn LO (B) needle CCW an
additional 1/8 turn and repeat acceleration. Continue adjusting until smooth acceleration results.
6. Check HI (A) speed RPM at W.O.T. (Wide Open Throttle). HI speed RPM should be set to specifications
found on "Specifications" page of this manual.
7. Check idle speed and reset if necessary. If a tachometer is available, idle speed should be set to the
specification found on "Specifications" page of this manual.
When carburetor adjustment is completed, the cutting attachment should not move at idle,
otherwise serious personal injury may result.
Lubrication
Level 1.
Parts
Required:
Lithium Base Grease.
A
B
C