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WORKING TECHNIQUES
24 – English
5 In order to keep control of your saw, always maintain
a firm foothold. Never work on a ladder, in a tree or on
any other insecure support.
6 Always use a fast cutting speed, i.e. full throttle.
7 Take great care when you cut with the top edge of the
bar
, i.e. when cutting from the underside of the object.
This is known as cutting with a pushing chain. The
chain tries to push the chain saw back towards the
user. If the saw chain is jamming, the saw may be
pushed back at you.
8 Unless the user resists this pushing force there is a
r
isk that the chain saw will move so far backwards that
only the kickback zone of the bar is in contact with the
tree, which can lead to a kickback.
Cutting with the bottom edge of the bar, i.e. from the top
of the object downwards, is known as cutting with a
pulling chain. 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 with a
pulling chain gives the operator better control over the
chain saw and the position of the kickback zone.
9 Follow the instructions on sharpening and maintaining
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
General
• Always use full throttle when cutting!
• Reduce the speed to idle after every cut (running the
engine f
or too long at full throttle without any load, i.e.
without any resistance from the chain during cutting,
can lead to serious engine damage).
• Cutting from above = Cutting with a pulling chain.
• Cutting from below = Cutting with pushing chain.
Cutting with a pushing chain increases the risk of
kic
kback. See instructions under the heading How to
avoid kickback.
Terms
Cutting = General term for cutting through wood.
Limbing = Cutting branches off a felled tree.
Splitting = When the object you are cutting breaks off
bef
ore the cut is complete.
There are five important factors you should consider
before making a cut:
1 Make sure the cutting equipment will not jam in the
cut.
2 Make sure the object you are cutting will not split.
3 Make sure the chain will not strike the ground or any
other object dur
ing or after cutting.
4 Is there a risk of kickback?
!
WARNING! Never use a chain saw by
holding it with one hand. A chain saw is
not safely controlled with one hand.
Always have a secure, firm grip around
the handles with both hands.