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Problem
The engine does not operate
smoothly.
The engine becomes too hot.
There is misfire in the en-
gine when it operates at high
speed.
Unusual noises from the en-
gine during normal load.
The engine does not operate
smoothly at idle speed.
There is too much vibration in
the handle.
The grass is not cut into
mulch.
The grass is cut irregularly.
1904 - 002 - 04.11.2022
Possible cause
The ignition cable is not connected cor-
rectly.
There is dirt in the fuel line or the fuel
has expired.
There is blockage in the fuel tank cap.
There is water or dirt in the fuel system.
The air filter is dirty.
The carburetor must be adjusted.
The engine oil level is too low.
The air flow is not sufficient.
The carburetor must be adjusted.
The electrode gap in the spark plug is
too small.
Incorrect type of gasoline.
The spark plug is dirty, defective or the
electrode gap is too wide.
The carburetor must be adjusted.
The air filter is dirty.
A blade is loose or not balanced.
A blade is bent.
The grass is wet.
The grass is too high.
One or more of the blades are not suffi-
ciently sharp.
The wheels are not in correct position.
One or more of the blades are not suffi-
ciently sharp.
Solution
Connect the ignition cable to the spark
plug.
Clean the fuel line. Fill the fuel tank with
new fuel of the correct type.
Clean the fuel tank cap.
Drain the fuel tank. Fill the fuel tank with
new fuel of the correct type.
Clean the air filter.
Let a servicing dealer adjust the carbu-
retor.
Fill engine oil.
Clean the air filter and the air filter hous-
ing.
Let a servicing dealer adjust the carbu-
retor.
Adjust the electrode gap.
Drain the fuel tank and the carburetor.
Refuel with new gasoline. Refer to
fuel on page 8 . If the problem continues
speak to your local service dealer.
Adjust the electrode gap or replace the
spark plug.
Adjust the carburetor.
Clean the air filter.
Tighten the blade bolts. Replace the
blades if there are damages.
Replace the blades if there are dam-
ages.
Do not operate the product when the
grass is wet. Wait until the grass is dry.
Cut first with the cutting height set high.
Lower the cutting height and cut again.
Cut only ½ of the cutting width at a time.
Sharpen or replace the blades.
Set the cutting height at the same level
for all 4 wheels.
Sharpen or replace the blades.
To fill
15
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