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CAUTION: The spark arrestor mesh
must be replaced if it is damaged. Do not
use a product if the spark arrestor mesh on
the muffler is missing or damaged.
CAUTION: If the spark arrestor mesh
is frequently blocked it can be a sign that
performance of the catalytic converter is
decreased. Turn to your servicing dealer
to examine the muffler. A blocked spark
arrestor mesh will cause overheating and
result in damage to the cylinder and piston.
Cooling system
The product has a cooling system to keep the operation
temperature as low as possible.
Clean the components of the cooling system with a
brush weekly or more frequently in rougher conditions.
A dirty or blocked cooling system makes the product too
hot which causes damage to the piston and cylinder.
The cooling system has the following components:
1. Air intake on the starter.
2. Fins on the flywheel.
3. Cooling fins on the cylinder.
4. Cylinder cover.
5. Muffler cover.
6. Muffler plate.
1
6
3
4
5
2
To do a check of the spark plug
CAUTION:
Use the recommended
spark plug. Refer to
Technical data on page
18
. An incorrect spark plug can cause
damage to the product.
1. If the product is not easy to start or to operate
or if the product operates incorrectly at idle speed,
examine the spark plug for unwanted materials. To
decrease the risk of unwanted material on the spark
plug electrodes, do these steps:
a) make sure that the idle speed is correctly
adjusted.
b) make sure that the fuel mixture is correct.
c) make sure that the air filter is clean.
2. Clean the spark plug if it is dirty.
3. Make sure that the electrode gap is correct. Refer to,
Technical data on page 18
.
4. Replace the spark plug monthly or more frequently if
necessary.
To clean the air filter
CAUTION: An air filter that is damaged,
very dirty, or soaked with fuel must always
be replaced.
Clean the air filter from dirt and dust regularly. This
prevents carburetor malfunctions, starting problems,
loss of engine power, wear to engine parts and more
fuel consumption than usual.
If you use an air filter for a long time, it cannot be fully
cleaned. Replace the air filter with a new one at regular
intervals. Refer to
Maintenance schedule on page 13
.
1. Move the choke lever up to close the choke valve.
1173 - 005 - 30.08.2023
15
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