Husqvarna 555FX Operator's Manual page 29

• 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:
that is damaged. Do not try to make a bent
or twisted blade straight and use it again.
To examine the spark plug
CAUTION:
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
on page 31 .
• Replace the spark plug if it is necessary.
To adjust the product for cold
environments
CAUTION:
cause operation problems. There is a risk of
too low engine temperature or ice on the air
filter and the carburetor.
1346 - 004 - 03.06.2021
Always discard a blade
Always use the
Technical data
Snow and cold weather can
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.
a) Install the cover for the starter housing (C) and
the cover for the air filter holder (B).
b) Remove the air filter and the air filter cover.
Install the air filter (E) and air filter cover (A).
C D E
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