2. Turn the idle speed screw (T) clockwise until the
cutting attachment starts to turn.
T
3. Turn the idle speed screw (T) counterclockwise until
the cutting attachment stops.
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 turn.
Note:
Technical data on page 25
for the
recommended idle speed.
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.
To adjust the start throttle speed
1. Apply idle speed.
2. Push the start throttle lock. Refer to
the throttle trigger lockout on page 7
.
3. If the start throttle speed is less than 4000 rpm, turn
the adjuster screw (A) until the cutting attachment
rotates. Turn the adjuster screw 1/2 turn more.
A
5 mm
4. If the start throttle speed is too high, turn the
adjuster screw (A) counterclockwise until the cutting
attachment stops. Turn the adjuster screw 1/2 turn
more.
To do a check of the muffler
WARNING:
Do not use a product that
has a defective muffler or a muffler that is in
bad condition.
WARNING:
Do not use the product if
the spark arrester screen on the muffler is
missing or defective.
1. Examine the muffler for damages and defects.
2. Make sure that the muffler is correctly attached to
the product.
3. If your product has a special spark arrester screen,
clean the spark arrester screen weekly.
4. Replace a damaged spark arrester screen.
CAUTION:
If the spark arrester screen
is blocked, the product becomes too hot
and this causes damage to the cylinder and
piston.
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 parts of the cooling system are the air intake on the
starter (A), the cooling fins on the cylinder (B) and the
cylinder cover (C).
975 - 005 - 14.11.2022
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