Loading ...
Loading ...
Loading ...
CARBURETOR PRESETS
When making carburetor preset adjust-
merits, do not force plastic limiter caps
beyondstops or damage willoccur.
Ifcarburetor presets are notneeded,
proceed to "Adjusting Procedure, Idle
Speed."
To adjust presets:
• Turn mixture screw counterclockwise
untilitstops.
• Turn the idle speed screw clockwise
untilit stops. Now turn counterclock-
wise 4-t/2 turns.
• Start engine, cut grass for3 minutes,
and proceed to the adjustment
section. If engine does notstart,
refer to troubleshooting chartor call
the 1-800 number listed on the front
ofthis manual.
• If 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 stal/s or dies.
• Turn counterclockwise to decrease
speed.
Nofurther adjustments are necessary
if performance is satisfactory.
Mixture Adjustment "H"
DONOToperate engine at full throttle
for prolonged periods while making ad-
justments. Damage to the engine can
occur. Extend line to the length al-
lowed by the line limiter and cut some
grass. Based on performance while
cutting,turn the mixture adjustmentin
1/16-turn increments as follows:
• Clockwise untilthe engine hasgood
powerwhile cuttingwith no hesita-
tion.
Do not adjust by sound or speed, but
judge by how well the engine per-
forms while cuing.
• Counterclockwise if the engine has
speed but dies or lacks powerwhile
cutting.
After completing adjustments, check
for acceleration. Reset ifnecessary.
Acceleration Check
If engine dies or hesitates instead of
accelerating, turn mixture adjustment
counterclockwise until you have
smooth acceleration. Recheck and ad-
just as necessary for acceptable per-
formance.
Prepare unit for storage at end ofsea-
son or if it will not be used for30 days
or more.
WARNING:
• Allow engine to cool, and secure the
unitbefore storing or transporting.
• Store unit and fuel in a well venti-
lated area where fuel vapors cannot
reach sparks or open flames from
water heaters, electric motors or
switches, furnaces, etc.
• Store unit with all guards in place.
Position unitso that any sharp object
cannot accidentally cause injury.
° Store unitand fuel well out ofthe
reach of children.
EXTERNAL SURFACES
ff yourunit is to be stored for a period
oftime, clean it thoroughly before stor-
age. Store in a clean dryarea.
• Lightlyoil external metal surfaces.
FUEL SYSTEM
Under Fueling Engine in the Operating
Section of this manual, see message
labeled IMPORTANT regardingthe use
of gasohol in your engine.
Fuel stabilizer is an acceptable alter-
natk,e in minimizing the formationof
fuel gum deposits during storage. Add
stabilizerto the gasoline in the fuel
tank or fuel storage container. Follow
the mix instructions found on stabilizer
container. Run engine at least 5 min-
utes after adding stabilizer.
CRAFTSMAN40:1,2-cycle engine oil
(aircooled) isalready blended with
fuel stabilizer. If you do notuse this
Sears oil, you can add a fuel stabilizer
to your fuel tank.
10
Loading ...
Loading ...
Loading ...