3. Attach the air filter and make sure that the air filter
seals tightly against the filter holder.
Note: Because of different work conditions, weather
or season, your product can be used with different types
of air filter. Speak to your servicing dealer for more
information.
To examine the spark plug
CAUTION: Use resistor spark plugs to
prevent problems during operation and
permanent damage to the ignition system.
Only use spark plugs recommended by
Husqvarna, refer to
Technical data on page
35
.
• 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 35
.
• Replace the spark plug if it is necessary.
To sharpen the saw chain
Information about the guide bar and saw chain
WARNING: Use protective gloves
when you use or do maintenance on the
saw chain. A saw chain that does not move
can also cause injuries.
Replace a worn or damaged guide bar or saw chain with
the guide bar and saw chain combination recommended
by Husqvarna. This is necessary to keep the safety
functions of the product. Refer to
Accessories on page
36
, for a list of replacement bar and chain
combinations that we recommend.
• Guide bar length, in/cm. Information about the guide
bar length can usually be found on the rear end of
the guide bar.
• Number of teeth on bar tip sprocket (T).
• Chain pitch, in. The distance between the drive links
of the saw chain must align with the distance of the
teeth on the bar tip sprocket and drive sprocket.
• Number of drive links. The number of drive links is
decided by the type of guide bar.
28
1471 - 001 - 18.02.2021
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