Echo HC-2410 Operator's Manual

Also see for HC-1500: Operator's manual Parts catalog Parts catalog Parts catalog Operator's manual

Contents

Echo HC-2410 Operator's Manual Manual pdf 23 page image

HEDGE C LIPPEROPERATOR'S MANUAL 231. Before adjusting the carburetor, clean or replace the air filter andspark arrester screen.2. Start engine and run for several minutes to reach operating tempera-ture.3. Stop engine. Turn HI (A) speed needle CCW (counter clockwise) tostop. Turn LO (B) speed needle midway between full CCW and CW(clockwise) stops.4. Idle Speed Adjustment.-Start engine and turn idle (C) speed adjustment screw CW until theblades begin to move, then turn the screw CCW until blades stopmoving. Turn screw CCW an additional 1/4 turn.5. Accelerate to full throttle for 2-3 seconds to clear excess fuel fromengine then return to idle. Accelerate to full throttle to check forsmooth transition from idle to full throttle. If engine hesitates, turnLO (B) needle CCW an additional 1/8 turn and repeat acceleration.Continue adjusting until smooth acceleration results.6. Check HI speed RPM at W.O.T. (Wide Open Throttle). HI speedRPM should be set to specifications found on page 12 "Specifica-tions" of this manual.7. Check idle speed and reset if necessary. If a tachometer is available,idle speed should be set to the specifications found on page 12"Specifications" of this manual.WARNING DANGERWhen carburetor adjustment is completed, blades should not moveat idle, otherwise serious personal injury may result.CBCACARBURETOR ADJUSTMENTEmission ModelsLevel 2.Tools required: Screwdriver with 2mm blade width, Tachometer(ECHO P/N 99051130017)Parts required: None.NOTEEvery unit is run at the factory and the carburetor is set in compliance with EPA Phase 1 and California EmissionRegulations. In addition, the carburetor is equipped with HI (A) and LO (B) needle adjustment limiters that preventsettings outside acceptable limits.