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• Make sure that the product and blade has sufficient
support when you sharpen it.
• Use a 5.5 mm round file with a file holder.
• Hold the file at an angle of 15°.
• Sharpen one tooth of the saw blade to the right and
the next tooth to the left, see the illustration.
15˚
Note: Sharpen the edges of the teeth with a flat
file if the blade is heavily worn. Continue to sharpen
with a round file.
• Sharpen all edges equally to keep the blade
balanced.
• Adjust the blade set to 1 mm with the recommended
setting tool. Refer to the instructions that come with
the blade.
WARNING:
Always discard a blade
that is damaged. Do not try to make a bent
or twisted blade straight and use it again.
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 30
.
• Replace the spark plug if it is necessary.
Winter use
When you operate the product in cold and snowy
weather you can experience problems such as:
• The engine temperature becomes to low.
• Ice occurs on the air filter or carburetor.
To remove ice from the air filter and carburetor
• Put a cover on a part of the air intake of the starter
engine to increase the temperature during operation.
• Use the heat from the muffler to increase the
temperature of the air to the carburetor.
To adjust the product for cold environments
If the temperature is 5°C/41°F or colder, adjustments are
necessary to prevent operation problems.
1018 - 011 - 07.06.2023
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