5. Replace the saw chain when the length of the cutting
teeth has worn down to only 4 mm (0.16 in.)
To examine the chain drive sprocket
1. Regularly do a check of the degree of wear on the
chain drive sprocket.
2. Replace the chain drive sprocket if it is worn and
moves from side to side on the motor axle.
To do a check of the guide bar
1. Make sure that the oil channel is not blocked. Clean
if it is necessary.
2. Examine if there are burrs on the edges of the guide
bar. Remove the burrs using a file.
3. Clean the groove in the guide bar.
4. Examine the groove in the guide bar for wear.
Replace the guide bar if it is necessary.
5. Examine if the guide bar tip is rough or very worn.
6. Make sure that the bar tip sprocket turns freely and
that the lubricating hole in the bar tip sprocket is not
blocked. Clean and lubricate if it is necessary.
7. Turn the guide bar daily to extend its life cycle.
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
23
, for a list of replacement bar and chain
combinations that we recommend.
16
783 - 001 - 12.11.2018
