3. Make sure that the muffler is correctly attached
to the product.
4. Do a visual check of the spark arrester screen.
a) Replace the spark arrester screen if it is
damaged.
b) Clean the spark arrester screen if it is
blocked.
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).
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
C
A
B
2. Make sure that the cooling system is not dirty or
blocked.
To examine the spark plug
CAUTION:
Always use the
recommended spark plug type. Incorrect
spark plug type can cause damage to
the product.
• Examine the spark plug if the engine is low on
power, is not easy to start or does not operate
correctly at idle speed.
• To decrease the risk of unwanted material on the
spark plug electrodes, obey these instructions:
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.
• If the spark plug is dirty, clean it and make sure
that the electrode gap is correct, refer to
Technical data on page 21
.
• Replace the spark plug if it is necessary.
Air filter
Remove dust and dirt from the air filter to keep it
clean and prevent these problems:
• Carburetor malfunctions.
• Problems when you start the product.
• Loss of engine power.
• Increased wear to engine parts.
• Too much fuel consumption.
To clean the air filter
1. Remove the air filter cover and remove the filter.
18
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Summary of Contents for 330LK
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