a) Turn the idle speed screw T clockwise until the
cutting attachment starts to move.
T
b) Turn the idle speed screw T counterclockwise
until the cutting attachment stops.
WARNING: If the cutting attachment
does not stop when you adjust the idle
speed, speak to your servicing dealer.
Do not use the product until it is correctly
adjusted or repaired.
3. The idle speed is correct when the engine operates
smoothly in all positions. The idle speed must be
below the speed when the cutting attachment starts
to move.
Note: Refer to
Technical data on page 16
for the
recommended idle speed.
To replace the muffler
WARNING: The muffler decreases the noise
level and points the exhaust gases away
from the operator. The exhaust gases are
hot and can contain sparks. This can cause
fire if pointed against dry and flammable
material.
WARNING: Mufflers with catalytic converters
become hot during operation. Risk of burn or
fire. This also applies at idle speed. To
examine if your product has a catalytic
converter, refer to
Technical data on page
16
.
1. Stop the engine and let the muffler become cool.
2. Remove the muffler cover.
3. Replace the muffler.
4. Attach the muffler cover.
To clean the cooling system
CAUTION: A dirty or blocked cooling system
can make the product too hot, which can
cause damage to the product.
The cooling system includes the cooling fins on the
cylinder (A) and the air intake screen (B).
A
B
B
• Make sure that the cooling system is not dirty or
blocked.
• Clean the cooling system with a brush weekly or
more frequently if it is necessary.
To clean the air filter
CAUTION: An air filter that is damaged, very
dirty or soaked with fuel must always be
replaced.
1261 - 001 - 19.09.2019
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