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To do a check of the battery charger
1. Make sure that the battery charger and the power
supply cord is not damaged. Look for cracks and
other damages.
To clean the cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the air intake on the
left side of the product and a the fan on the motor.
The cooling system includes an air intake on the left side
of the product and a fan on the motor.
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
2. Make sure that the cooling system is not dirty or
blocked.
CAUTION:
cooling system can cause the product to
become too hot. This causes damage to
the product.
To sharpen the saw chain
Information about the guide bar and saw chain
WARNING:
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
22
A dirty or blocked
Use protective gloves
functions of the product. Refer to
page 29 , 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.
D
•
Number of drive links. The number of drive links is
decided by the type of guide bar.
•
Bar groove width, in/mm. The groove width in guide
bar must be the same as the chain drive links width.
Accessories on
D
PITCH =
2
2120 - 004 - 08.09.2023
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