Husqvarna 135R Manuel D'utilisation page 23

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 25 .
4. Replace the spark plug monthly or more frequently if
necessary.
To sharpen the saw blade
WARNING: Stop the engine. Use protective
gloves.
• To sharpen the blade correctly, refer to the
instructions that come with the blade.
• Make sure that the product and blade has sufficient
support when you sharpen it.
• Use a 5.5 mm (7/32 in) round file with a file holder.
975 - 003 - 08.10.2019
• 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.
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 (0.04 in) 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.
15˚
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