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2. Examine the idle speed. When the carburetor is
correctly adjusted, the cutting blade stops when the
engine is at idle speed.
3. Use the T screw to adjust the idle speed.
A
B
A B
T
a) Turn the screw clockwise until the blade starts to
rotate (A).
b) Turn the screw counterclockwise until the blade
stops to rotate (B).
Fuel filter
The fuel filter is installed in the fuel tank. The fuel filter
prevents contamination of the fuel tank when the fuel
tank is filled. The fuel filter must be replaced yearly or
more frequently if it is clogged.
CAUTION: Do not clean the fuel filter.
To examine the air filter
Note:
Examine the air filter only if the engine power
decreases.
CAUTION: Be careful when you
remove the air filter. Particles that fall into
the carburetor inlet can cause damage.
WARNING: Use approved respiratory
protection when you replace the air filter.
The dust in the air filter is dangerous to your
health. Discard used air filters correctly.
1. Loosen the 3 screws on the air filter cover.
2. Remove the air filter cover.
3. Examine the air filter and replace it if it is necessary.
CAUTION: Do not clean the air filter
or blow compressed air on it. This will do
damage to the air filter.
4. Replace the air filter if it is necessary.
a) Remove the air filter.
b) Install the new air filter.
5. Attach the air filter cover and tighten the 3 screws.
To do a check of the water supply
system
1. Examine the nozzles on the blade guard and make
sure that they are not clogged.
2. Clean as necessary.
3. Examine the filter on the water connector. Make sure
that it is not clogged.
1447 - 004 - 04.05.2021
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