Jonsered CS 2250S II Manual De Usuario página 31

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
a check of the guide bar on page 32 for
instructions. Speak to your servicing dealer if the
maintenance steps does not help.
1049 - 005 - 21.06.2021
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.
To examine the cutting equipment
1. Make sure that there are no cracks in rivets and links
and that no rivets are loose. Replace if it is
necessary.
To do
2. Make sure that the saw chain is easy to bend.
Replace the saw chain if it is rigid.
3. Compare the saw chain with a new saw chain to
examine if the rivets and links are worn.
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