Kohler COMMAND CH430 Manuale d'uso - Pagina 13

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Kohler COMMAND CH430 Manuale d'uso
Now turn the adjusting needle in (clockwise). The
engine speed may increase, then it will decrease
as the needle is turned in (lean). Note the position
of the needle.
Set the adjusting needle midway between the rich
and lean settings. See Figure 14.
Adjust to
Midpoint
Rich
Figure 14. Optimum Low Idle Fuel Setting.

Troubleshooting

When troubles occur, be sure to check the simple causes which, at first, may seem to obvious to be considered.
For example, a starting problem could be caused by an empty fuel tank. Some common causes of engine troubles
are listed in the following table.
Do not attempt to service or replace major engine components, or any items that require special timing or
adjustment procedures. Have your Kohler Engine Service Dealer do this work.
Possible Cause No
Improper
Problem
Fuel
Will Not Start
•
Hard Starting
Stops Suddenly
•
Lacks Power
Operates Erratically
Knocks or Pings
Skips or Misfires
Backfires
Overheats
High Fuel Consumption
Storage
If the engine will be out of service for two months or
more, use the following storage procedure:
1. Clean the exterior surfaces of the engine.
2. Change the oil and filter while the engine is still
warm from operation. See Change Oil and Oil Filter
on page 9.
3. The fuel system must be completely emptied, or
the gasoline must be treated with a stabilizer to
prevent deterioration. If you choose to use a
stabilizer, follow the manufacturers
recommendations, and add the correct amount for
the capacity of the fuel system. Fill the fuel tank
with clean, fresh gasoline. Run the engine for 2-3
minutes to get stabilized fuel into the carburetor.
Lean
Dirt In
Fuel
Fuel Line/SystemGrass Screen Oil Level
•
•
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3. Low Idle Speed Setting: Place the throttle
control into the idle or slow position. Set the low
idle speed to 1200 RPM* (± 75 RPM) by turning
the low idle speed adjusting screw in or out.
Check the speed using a tachometer.
*NOTE: The actual low idle speed depends on the
application – refer to equipment
manufacturer's recommendations. The
recommended low idle speed for basic
engines is 1200 RPM. To ensure best
results when setting the low idle fuel
needle, the low idle speed must not
exceed 1200 RPM (± 75 RPM).
Dirty
Incorrect
Overloaded
•
•
•
•
•
•
•
•
•
•
•
To empty the system, run the engine until the fuel
tank and system are empty.
4. Remove the spark plug. Add one tablespoon of
engine oil into the spark plug hole. Install the plug,
but do not connect the plug lead. Crank the engine
two or three revolutions.
5. Remove the spark plug. Cover the spark plug hole
with your thumb, and turn the engine over until the
piston is at the top of its stroke. (Pressure against
thumb is greatest.) Reinstall the plug, but do not
connect the plug lead.
6. Store the engine in a clean, dry place.
Engine
Dirty Air
Cleaner
Spark Plug
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Faulty
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