WORKING TECHNIQUES
Cutting with the bottom edge of the bar, i.e. from the top 2 Make sure the object you are cutting will not split.
of the object downwards, is known as cutting on the pull
stroke. In this case the chain saw pulls itself towards the
tree and the front edge of the chain saw body rests
naturally on the trunk when cutting. Cutting on the pull
stroke gives the operator better control over the chain saw
and the position of the kickback zone.
3 Make sure the chain will not strike the ground or any other
object during or after cutting.
9 Follow the instructions on sharpening and maintaining 4 Is there a risk of kickback?
your bar and chain. When you replace the bar and chain
use only combinations that are recommended by us. See
instructions under the headings Cutting equipment and
Technical data.
Basic cutting technique
5 Do the conditions and surrounding terrain affect how
WARNING! Never use a chain saw by holding
safely you can stand and move about?
it with one hand. A chain saw is not safely
!
controlled with one hand. Always have a Two factors decide whether the chain will jam or the object
secure, Ţrm grip around the handles with that you are cutting will split: the Ţrst is how the object is
both hands.supported before and after cutting, and the second is whether
it is in tension.
GeneralIn most cases you can avoid these problems by cutting in two
Y Always use full throttle when cutting!stages; from the top and from the bottom. You need to support
the object so that it will not trap the chain or split during
Y Reduce the speed to idle after every cut (running the cutting.
engine for too long at full throttle without any load, i.e.
without any resistance from the chain during cutting, can
lead to serious engine damage).IMPORTANT! If the chain jams in the cut: stop the engine!
DonOt try to pull the chain saw free. If you do you may be
Y Cutting from above = Cutting on the pull stroke.
injured by the chain when the chain saw suddenly breaks
free. Use a lever to open up the cut and free the chain saw.
Y Cutting from below = Cutting on the push stroke.
Cutting on the push stroke increases the risk of kickback. See The following instructions describe how to handle the
instructions under the heading How to avoid kickback.commonest situations you are likely to encounter when using
a chain saw.
Terms
Limbing
Cutting = General term for cutting through wood.
When limbing thick branches you should use the same
Limbing = Cutting branches off a felled tree.
approach as for cutting.
Splitting = When the object you are cutting breaks off before
Cut difŢcult branches piece by piece.
the cut is complete.
2
There are Ţve important factors you should 1
consider before making a cut:
3
1 Make sure the cutting equipment will not jam in the cut.
22 � English |
ACEC
