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12 – English
GENERAL SAFETY PRECAUTIONS
When you sharpen a cutting tooth there are four important
factors to remember.
1 Filing angle
2 Cutting angle
3 File position
4 Round file diameter
It is very difficult to sharpen a chain correctly without the right
equipment. We recommend that you use our file gauge. This
will help you obtain the maximum kickback reduction and
cutting performance from your chain.
See instructions under the heading Technical data for
information about sharpening your chain.
Sharpening cutting teeth
To sharpen cutting teeth you will need a round file and a file
gauge. See instructions under the heading Technical data for
information on the size of file and gauge that are
recommended for the chain fitted to your chain saw.
• Check that the chain is correctly tensioned. A slack chain
will move sideways, making it more difficult to sharpen
correctly.
•
Always file cutting teeth from the inside face. Reduce the
pressure on the return stroke. File all the teeth on one side first,
then turn the chain saw and file the teeth on the other side.
• File all the teeth to the same length. When the length of
the cutting teeth is reduced to 0.16 inch (4 mm) the chain
is worn out and should be replaced.
General advice on adjusting depth gauge setting
• When you sharpen the cutting tooth (A) the depth gauge
setting (C) will decrease. To maintain optimal cutting
performance the depth gauge (B) has to be filed down to
achieve the recommended depth gauge setting. See
instructions under the heading Technical data to find the
correct depth gauge setting for your particular chain.
Adjustment of depth gauge setting
•
The cutting teeth should be newly sharpened before
adjusting the depth gauge setting. We recommend that you
adjust the depth gauge setting every third time you sharpen
the cutting teeth. NOTE! This recommendation assumes that
the length of the cutting teeth is not reduced excessively.
•
You will need a flat file and a depth gauge tool. We
recommend that you use our depth gauge tool to acheive the
correct depth gauge setting and bevel for the depth gauge.
• Place the depth gauge tool over the chain. Detailed
information regarding the use of the depth gauge tool, will
be found on the package for the depth gauge tool. Use the
flat file to file off the tip of the depth gauge that protrudes
through the depth gauge tool. The depth gauge setting is
correct when you no longer feel resistance as you draw
the file along the depth gauge tool.
!
WARNING! Departure from the sharpening
instructions considerably increases the risk
of kickback.
!
WARNING! The risk of kickback is increased
if the depth gauge setting is too large!