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Using the chainsaw ; Operating and maintenance information
- 37 - ENGLISH 15
10. Using the chainsaw
10.1 Application areas
The chainsaw must only be used to cut wood and
objects made of wood.
Any loose wooden objects must be safely secured
(e.g. on a sawhorse). When cutting down overgrown
trees and branches please refer also to the notes on
cutting down trees and removing branches.
The chainsaw must not be used for any other
purpose, for example to cut plastics or metals.
10.2 Initial use/ start-up behaviour
When switching on the motor for the first five times
prior to commencing work, first operate for a short
time in the mid-speed range without any load until
the engine has warmed up a little.
10.3 Chain lubrication adjusting screw
Your new chainsaw is equipped with an automatic
chain lubrication system which automatically stops
the delivery of oil when the chainsaw is idling (Eco-
Matic). When the throttle is operated and the saw
chain is driven again the chain lubrication
automatically restarts.
To adjust the amount of oil delivered by this system
during operation, the control screw (Fig. 1d - 28) on
the underside of the chainsaw can be adjusted
approximately ± 120° from plus(+) to minus(-).
As a guideline, we recommend that if you are using
38cm cutting gear to cut wood which is still moist
then the mid-position between (+) and (-) is a good
starting point. Adjust the controls to deliver slightly
more oil if you are cutting dry wood.
10.4 Sawing
Always follow the safety instructions when
performing any kind of work with the saw. Always
hold the chainsaw firmly with both hands. Position
your right hand on the rear handle and your left
handle on the front handle.
Cutting to length:
Make sure that you have a secure footing.
Clean the area which is to be cut of any foreign
bodies like sand, stones, nails etc. Foreign bodies
can cause dangerous kickback.
Loose wooden objects must be
firmly secured, ideally with a
sawhorse. The wood must nut be
held in place with a foot or by
another person. Round timber must
be secured so that they cannot
rotate.
Apply full throttle and move the chainsaw close to the
cutting point, position and press the bumper spikes
onto the object you wish to saw (a), then – and not
before – use a pivoting movement (around the point
at which the bumper spikes have been positioned) to
move the guide bar downwards (b) and start the cut.
Important note on cutting branches which are under
tension (e.g. in the forest):
Always make the first cut on the compression side
c, but be careful as there is a risk of pinching.
Then proceed carefully and make a cut at the
tension side.
d
On thick trunks which are under a lot of tension
offset the cut to one side.
>c= Î Pressure side
=d> Î Tension side
Trunk under tension on the
upper side.
Danger: The tree will spring
back in an upward direction.
Trunk under tension on the
underside:
Danger: The tree will spring
back in a downward direction
Thick trunks and high tension:
Danger: The tree will spring
back suddenly and with
considerable force. Also watch
out for the root clump tipping
back.
Trunk under lateral tension:
Danger: The tree will spring
back to one side
Note: Always stand on the compression side if the
tree is under lateral tension.
If the saw becomes pinched in the cut, stop the
engine and lift the trunk with a bar or other lever, or
change its position to open up the cutting gap.
Fig. 13
15


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