2. Turn the knob counterclockwise to loosen the clutch
cover.
3. Turn the chain tensioning wheel down (+) to increase
the tension of the saw chain. Turn the chain
tensioning wheel up (-) to decrease the tension of
the saw chain.
4. Turn the knob clockwise to tighten the clutch cover.
5.
Fold the knob down.
6. Make sure you can pull the saw chain around freely
by hand and that it does not hang from the guide
bar.
To do a check of the saw chain
lubrication
1.
Start the product and let it operate at ¾ throttle. Hold
the bar approximately 20 cm/8 in above a surface of
light color.
2. If the saw chain lubrication is correct, you see a clear
line of oil on the surface after 1 minute.
3. If the saw chain lubrication does not operate
correctly, do a check of the guide bar. Refer to
To do
a check of the guide bar on page 31
for
instructions. Speak to your servicing dealer if the
maintenance steps does not help.
To do a check of the spur sprocket
The clutch drum has a spur sprocket that is welded on
the clutch drum.
• Regularly do a visual check of the degree of wear on
the spur sprocket. Replace the clutch drum with the
spur sprocket if there is too much wear.
To lubricate the needle bearing
1.
Pull the front hand guard rearward to disengage the
chain brake.
2. Loosen the bar nuts and remove the clutch cover.
Note: Some models have only one bar nut.
3. Put the product on a stable surface with the clutch
drum up.
4.
Lubricate the needle bearing with a grease gun. Use
engine oil or a bearing grease of high quality.
30 1733 - 002 - 23.11.2021
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