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• 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 adjust the product for cold
environments
If the temperature is 5° or colder, adjustments are
necessary to prevent operation problems.
• Attach the air duct as shown in the illustration. Make
sure that the arrow points in the direction of the
winter mode symbol.
• Replace the air filter cover with the winter mode air
filter cover.
• If you operate the product in snow, attach a cover on
top of the starter.
• Replace the air paper filter with a nylon air filter that
is approved for operation in winter conditions. Refer
to,
To change from a paper air filter to a nylon air
filter on page 23
.
• For 545FXT AT, make sure that the wire is lubricated
when you operate the product in cold environments.
• At temperatures of more than 5°, change back to
the regular air filter cover. Remove the cover on top
of the starter and adjust the air duct back to the
initial position. Make sure that the arrow points in the
direction of the summer mode symbol.
CAUTION: Do not operate the product
at temperatures of more than than 5° if it
is adjusted for winter mode. The engine
becomes too hot and can be damaged.
To lubricate the wire
545FXT AT
Note:
The wire is lubricated at the factory. Lubricate
the wire monthly.
1. Remove the protective cover.
2. Remove the cylinder cover to get access to the
rubber bellows on the wire.
3. Remove the plug on the grease nipple.
4. Use antifreeze spray with a 2 mm spray tube. Spray
in short intervals.
5. Examine the rubber bellows on the wire to make
sure that it does not expand.
6. Attach the cylinder cover and the protective cover.
26
171 - 011 - 05.06.2023
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