Therearetwoadjustmentscrews on
the carburetor.
| Screw |
(with Urniter | Air Filter |
Cap) |
|
CARBURETOR | PRESETS |
When making carburetor preset adjust- ments, do not force plastic limiter caps beyond stops or damage will occur.
If carburetor presets are not needed, proceed to ADJUSTING PROCEDURE,
IDLE SPEED.
To adjust presets:
•Turn mixture screw counterclockwise until it stops.
•Turn the idle speed screw clockwise until it stops. Now turn counterclock- wise
•Start motor, cut grass fur 3 minutes, and proceed to the adjustment section. If engine does not start, refer to troubleshooting chart or call
•]f engine performance is acceptable at the preset positions, no further adjustment is necessary.
ADJUSTING PROCEDURE Idle Speed
Allow engine to idle. Adjust speed until engine runs without stalling.
•Turn clockwise to increase engine speed if engine stalls or dies.
•Turn counterclockwise to decrease speed.
No further adjustments are necessary if performance is satisfactory.
Mixture Adjustment "H"
DO NOT operate engine at full throt_e for prolonged periods while making ad- justments. Damage to the engine can occur. Extend line to the length allow by the line limtier and cut some grass. Based on performance while cutting, turn the mixture adjustment in
•Clockwise until the engine has good
power while cutting with no hesita- tion.
Do not adjust by sound or speed, but judge by how well the engine per- forms while cutting.
•Counterclockwise if the engine has speed but dies or lacks power while cutting.
After completing adjustments, check for acceleration. Reset if necessary.
Acceleration Check
If engine dies or hesitates instead of accelerating, tom mixture adjustment counterclockwise until you have smooth acceleration. Recheck and ad-
just as necessary for acceptable per- furmance.
Prepare unit fur storage at end of sea- son or if it will not be used for 30 days or more.
WARNING:
•Allow engine to cool, and secure the unit before stodng or transporting.
•Store unit and fuel in a well venti-
lated area where fuel vapors cannot reach sparks or open flames fTom water heaters, electric motors or switches, furnaces, etc.
•Store unit with all guards in place. Position unti so that any sharp object cannot accidentally cause injury.
•Store unit and fuel well out of the reach of children.
EXTERNAL SURFACES
If your unit is to be stored fur a pedod of time, clean it thoroughly before stor- age. Store in a clean dry area.
•Lightly oil external metal surfaces.
FUEL SYSTEM
Under Fueling Engine in the Operating Section of this manual, see message labeled IMPORTANT regarding the use of gasohol in your engine.
Fuel stabilizer is an acceptable alter- native in minimizing the formation of
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