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Problem Cause Possible solutions
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 14
.
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.
The temperature of the prod-
uct is too high.
The air intake or the cylinder flanges
are blocked.
Clean the air intake and the cylinder flanges.
The drive belt tension is not suffi-
cient.
Examine the belt. Adjust the tension.
The clutch is defective.
Always cut at full throttle.
Examine the clutch. Speak to your service
agent.
The engine decreases in
power or in speed.
The air filter is clogged. Examine the air filter. Refer to
To examine
the air filter on page 35
.
There is much dust during
operation. You can see dust
in the air.
The water supply or water pressure
is not sufficient.
Do a check of the water supply to the prod-
uct.
Refer to
To do a check of the water supply
system on page 36
.
The SmartGuard does not
move freely.
The SmartGuard does not re-
tract when the product is re-
moved away from the work
piece.
The moving parts of the SmartGuard
are clogged.
Clean the moving parts.
The springs of the SmartGuard does
not operate correctly.
Do a check of the springs. Clean the springs.
1631 - 001 - 04.05.2021 37
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