SERVICE & ADJUSTMENTS
CARBURETOR ADJUSTMENT
A dirty air cleaner will cause the engine to run improperly and/or smoke excessively. Be sure the air cleaner is clean before adjusting the carburetor. Never make unnecessary adjustments to the carburetor. The carburetor was set at the factory to operate efficiently under most applications. How- ever, if adjustments are required, we recommend you contact a competent repairman. If you feel that you are competent to make carburetor adjustment proceed as follows:
CAUTION: USE EXTREME CARE WHEN
MAKING ADJUSTMENTS THAT REQUIRE
THE ENGINE TO BE RUNNING. KEEP
HANDS, FEET, HAIR AND LOOSE CLOTH-
ING AWAY FROM ANY MOVING PART.
● Turn the mixture adjusting screw (See | FIG | .3- |
S E R V . & A D J | . | ) |
clockwise to close. |
|
|
IMPORTANT: TIGHTEN THE ADJUSTING SCREW WITH YOUR FINGERS TO PREVENT DAMAGE TO THE CARBURETOR OR ADJUSTING SCREW.
●Turn the mixture adjusting screw counterclockwise
●Start the engine and let it warm up approximately 3 to 5 minutes. Do not adjust the carburetor when the engine is cold.
●If the engine falters or stops after the choke lever is moved to the (OFF) position, open the mixture adjusting screw an additional 1/8 turn counterclockwise.
●With the engine running, release the throttle control (idle position) to make the mixture adjustments.
a. Turn the mixture adjusting screw (See FIG. 3 SERV.&ADJ)slowly clockwise until the engine falters. Note this location.
b. Turn the mixture adjusting screw slowly counterclock- wise until the engine starts to sputter. Note this location.
c. Turn the mixture adjusting screw clockwise until it is halfway between the first position where the engine faltered and the second position where the engine started to sputter.
●The idle speed may need to be adjusted after making the mixture adjustment. If the tines do not turn when the engine is running and the throttle control is released, the idle speed will not need adjusting. If the tines turn when thethrottlecontrol is released, do the following:
a. Have someone hold the tiller/cultivator back on the depth bar with the tines off the ground.
b. Start the engine.
c. With the throttle in the released (idle) position, turn the idle speed adjusting screw
| FIG. 3- |
| SERV&ADJ |
IDLE SPEED | CARBURETOR |
MIXTURE | |
ADJUSTING | ADJUSTING |
SCREW | SCREW |
ENGINE SHOWN WITH AIR CLEANER REMOVED | |
CAUTION: NEVER TAMPER WITH THE EN-
GINE GOVERNOR WHICH IS FACTORY SET
FOR PROPER ENGINE SPEED. OVER-
SPEEDING THE ENGINE ABOVE THE FAC-
TORY HIGH SPEED SETTING CAN BE DAN-
GEROUS. IF YOU THINK THE ENGINE GOV-
ERNED HIGH SPEEDS NEEDS ADJUST-
ING, CONTACT A COMPETENT REPAIR-
MAN WHICH HAS THE PROPER EQUIP-
MENT AND EXPERIENCE TO MAKE ANY
NECESSARY ADJUSTMENTS.
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