WORKING TECHNIQUES
English
–
31
•
Weight of snow
You may find you are forced to let the tree fall in its natural
direction because it is impossible or dangerous to try to
make it fall in the direction you first intended.
Another very important factor, which does not affect the
felling direction but does affect your safety, is to make sure
the tree has no damaged or dead branches that might
break off and hit you during felling.
Always keep on the uphill side of the terrain as the tree is
likely to roll or slide downhill after it is felled.
The main point to avoid is letting the tree fall onto another
tree. It is very dangerous to remove a trapped tree and
there is high accident risk. See instructions under the
heading Freeing a tree that has fallen badly.
Clearing the trunk and preparing your retreat
Delimb the stem up to shoulder height. It is safer to work
from the top down and to have the tree between you and
the saw.
Remove dirt, stones, loose bark, nails, staples, and wire
from the tree where felling cuts are to be made.
Remove any undergrowth from the base of the tree and
check the area for obstacles (stones, branches, holes,
etc.) so that you have a clear path of retreat when the tree
starts to fall. Your path of retreat should be roughly 135
degrees away from the intended felling direction.
1
Danger zone
2
Retreat path
3
Felling direction
Felling
Felling is done using three cuts. First you make the
directional cuts, which consist of the top cut and the
bottom cut, then you finish with the felling cut. By placing
these cuts correctly you can control the felling direction
very accurately.
Directional cuts
To make the directional cut you begin with the top cut. Aim
using to the saw’s felling direction mark (1) toward a goal
further forward in the terrain, where you would like the tree
to fall (2). Stand on the right-hand side of the tree, behind
the saw, and cut with a pull stroke.
Next make the bottom cut so that it finishes exactly at the
end of the top cut.
!
WARNING! During critical felling
operations, hearing protectors should be
lifted immediately when sawing is
completed so that sounds and warning
signals can be heard.
!
WARNING! Unless you have special
training we advise you not to fell trees
with a diameter larger than the bar length
of your saw!
1
2
1
2
1
3
2
1
Содержание T536 LiXP
Страница 131: ......
Страница 132: ...1156445 49 z XLV 9 z XLV 9 2014 05 21 ...