4. Clean as necessary.
Troubleshooting
Problem
Cause
Possible solutions
The product does not start.
The start procedure is done incor-
rectly.
To start the product with a cold en-
gine on page 22
with a warm engine on page 23
.
The stop switch in the right (STOP)
position.
Make sure that the stop switch (STOP) is in
the left position.
There is no fuel in the fuel tank.
Fill with fuel.
The spark plug is defective.
Replace the spark plug.
The clutch is defective.
Speak to your service agent.
The cutting blade rotates at
idle speed.
The idle speed is too high.
Adjust the idle speed.
The clutch is defective.
Speak to your service agent.
The cutting blade does not
rotate when the operator
throttles up.
The belt is too loose or defective.
Tighten the belt or replace the belt with a
new one.
The clutch is defective.
Speak to your service agent.
The cutting blade is installed incor-
rectly.
Make sure that the cutting blade is correctly
installed.
The product has no power
when the operator tries to
throttle up.
The air filter is clogged.
Examine the air filter. If it is necessary, re-
place it.
The fuel filter is clogged.
Replace the fuel filter.
The fuel tank flow is blocked.
Speak to your service agent.
The vibration levels are too
high.
The cutting blade is installed incor-
rectly.
Make sure that the cutting blade is correctly
installed and that it is not damaged. Refer to
To install the cutting blade on page 15
.
The cutting blade is defective.
Replace the cutting blade and make sure
that it is not damaged.
A vibration damping unit is defective. Speak to your service agent.
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Summary of Contents for K 770
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