Chain Drive Sprocket - Zenoah GZ3500T Manuel D'utilisation

2. After 1 minute running you should see a distinct line
of oil on the light surface.
What to do if the saw chain lubrication is not working
Do the following if the saw chain lubrication is not
working:
• Do a check of the oil channel in the bar to make sure
that it is not obstructed. Clean if necessary.
• Do a check of the groove in the edge of the bar to
make sure that it is clean. Clean if necessary.
• Make sure that the bar tip sprocket turns freely and
that the lubricating hole in the tip sprocket is not
blocked. Clean and lubricate if necessary.
If the chain lubrication system is still not working after
carrying out the steps above and associated measures,
contact your servicing dealer.

Chain drive sprocket

The clutch drum is fitted with one of the following drive
sprockets:
308 - 004 - 27.09.2017
• Spur sprocket (the chain sprocket is welded on the
drum) (A)
• Rim sprocket (replaceable) (B)
A
Perform the following maintenance on the chain drive
sprocket:
• Regularly do a visual check of the degree of wear on
the drive sprocket. Replace the chain drive sprocket
if the wear is excessive.
• Replace the drive sprocket whenever you replace
the saw chain.
To examine the cutting equipment for
wear
Do a visual check of the saw chain daily.
1. Make sure that there are no visible cracks in rivets
and links.
2. Examine wheather the saw chain is stiff.
3. Compare the existing saw chain with a new saw
chain to decide wheather the rivets and links are
badly worn.
4. Replace the saw chain if it exhibits any of the
conditions above.
5. Replace the saw chain when the length of the cutting
teeth has worn down to only 4 mm.
To do a check of the guide bar
Do a check of the guide bar regularly.
1. Examine whether there are burrs on the edges of the
bar. Remove burrs with a file if necessary.
B
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