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3. File all the teeth to the same length. When the
length of the cutting teeth is reduced to 4mm
(0.16inch) the chain is worn out and should be
replaced.
C. General advice on setting raker clearance
When you sharpen the cutting teeth you reduce the
RAKER CLEARANCE (cutting depth). To maintain
cutting performance you must file back the raker teeth
to the recommended height.
•
On a low-kickback cutting link the front edge of the
raker lip is rounded. It is very important that you
maintain this radius or bevel when you adjust the
raker clearance.
•
We recommend the use of a raker gauge to achieve
the correct clearance and bevel on the raker lip.
WARNING
The risk of kickback is increased if the raker clearance
is too large!
D. Setting the raker clearance
Before setting the raker clearance the cutting teeth
should be newly sharpened.
We recommend that you adjust the raker clearance
every third time you sharpen the chain.
information
This recommendation assumes that the length of the
cutting teeth is not reduced excessively.
1. To adjust the raker clearance you will need a FLAT
FILE and a RAKER GAUGE.
2. Place the gauge over the raker lip.
3. Place the file over the part of the lip that protrudes
through the gauge and file off the excess. The
clearance is correct when you no longer feel any
resistance as you draw the file over the gauge.
Tensioning the chain
WARNING
A slack chain may jump off and cause serious or even
fatal injury.
The more you use a chain the longer it becomes. It is
therefore important to adjust the chain regularly to take
up the slack.
Check the chain tension every time you refuel.
WARNING
A new saw chain has a running-in period during which
you should check the tension more frequently.
Tension the chain as tightly as possible, but not so tight
that you cannot pull it round freely by hand.
1. Undo the bar nuts that hold the clutch cover and
chain brake, using the combination spanner. Then
tighten the nuts by hand as tight as you can.
Summary of Contents for NT6260
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