Husqvarna 555FX Operator's Manual page 28

• 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.
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.
28
15˚
• 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
on page 31 .
• Replace the spark plug if it is necessary.
To adjust the product for cold
environments
CAUTION: Snow and cold weather can
cause operation problems. There is a risk of
too low engine temperature or ice on the air
filter and the carburetor.
There is a winter kit available for your product. The
winter kit includes the components that follow:
A B
• An air filter cover without air intake (A).
• A cover for the air filter holder (B).
• A cover for the starter housing (C).
• A wear guard with an air duct (D).
• An air filter (E).
• In temperatures below 0°C/32°F, do the steps that
follow.
Technical data
C D E
1346 - 002 - 08.10.2019