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•
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. (8)
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.
WARNING! The risk of kickback is
!
increased if the depth gauge setting is
too large!
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.
Tensioning the chain
WARNING! A slack chain may jump off
!
the bar and cause serious or even fatal
injury.
WARNING! Always wear approved
!
protective gloves. Even a non-moving
chain can cause serious cuts to yourself
or persons you bump into with an
exposed chain.
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. NOTE! A
new 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. (9)
•
Loosen the bar nuts that hold the clutch cover/chain
brake. Use the combination spanner. Then tighten
the bar nuts by hand as tight as you can. (10)
12 – English
GENERAL SAFETY PRECAUTIONS
•
Raise the tip of the bar and stretch the chain by
tightening the chain tensioning screw using the
combination spanner. Tighten the chain until it does
not sag from the underside of the bar. (11)
•
Use the combination spanner to tighten the bar nuts
while lifting the tip of the bar at the same time. Check
that you can pull the chain round freely by hand and
that it does not sag from the underside of the bar.
(12)
Lubricating cutting equipment
WARNING! Poor lubrication of cutting
!
equipment may cause the chain to
snap, which could lead to serious, even
fatal injuries.
Chain oil
Chain oil must demonstrate good adhesion to the chain
and also maintain its flow characteristics regardless of
whether it is warm summer or cold winter weather.
As a chain saw manufacturer we have developed an
optimal chain oil which has a vegetable oil base. We
recommend the use of our own oil for both maximum
chain life and to minimise environmental damage. If our
own chain oil is not available, standard chain oil is
recommended.
Never use waste oil! Using waste oil can be dangerous
to you and damage the machine and environment.
IMPORTANT! When using vegetable based saw chain
oil, dismantle and clean the groove in the bar and saw
chain before long-term storage. Otherwise there is a
risk of the saw chain oil oxidizing, which will result in
the saw chain becoming stiff and the bar tip sprocket
jamming.
Filling with chain oil
•
All our chain saws have an automatic chain
lubrication system. On some models the oil flow is
also adjustable.
•
The saw chain oil tank and the fuel tank are designed
so that the fuel runs out before the saw chain oil.
However, this safety feature requires that you use the
right sort of chain oil (if the oil is too thin it will run out
before the fuel), and that you adjust the carburetor as
recommended (a lean mixture may mean that the
fuel lasts longer than the oil) and that you also use
the recommended cutting equipment (a bar that is
too long will use more chain oil).
Checking chain lubrication
•
Check the chain lubrication each time you refuel. See
instructions under the heading Lubricating the bar tip
sprocket.
Aim the tip of the bar at a light coloured surface about
20 cm (8 inches) away. After 1 minute running at 3/4
throttle you should see a distinct line of oil on the light
surface.
If the chain lubrication is not working:
•
Check that the oil channel in the bar is not
obstructed. Clean if necessary.
•
Check that the groove in the edge of the bar is clean.
Clean if necessary.
5451867-26 Rev.3 2008-12-18
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