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Figure 16
1.
Determine the direction that the tree will fall.
Take the following variables into consideration:
•
Wind direction
•
Heavier limbs on 1 side of the tree
•
Natural tilt of the tree (if any)
2.
Determine a clear, safe retreat path away from
the danger area; refer to
Figure 17
1. Retreat path (at a 45°
angle opposite from the
planned direction of fall)
2. Planned direction of fall
3.
Grip the chain saw as shown in
4.
Make the first cut a third of the way through the
tree diameter on the side where you want the
tree to fall
(Figure
Figure
17.
3. Danger area
(Figure
13).
18).
Note:
Making this cut prevents the chain saw
from being pinched while making the next cut.
1. First cut
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2. Second cut
5.
Make a second cut to form a notch, starting the
cut at least 5 cm (2 inches) above and away
from the first cut
Important:
second cut meet at the same point, forming
a clean notch.
6.
Make the back cut from the opposite side of the
notch and about 5 cm (2 inches) higher than the
bottom of the notch as shown in
Important:
(1 to 2 inches) from the notch to form a hinge
between the cuts
the tree from falling in the wrong direction
or twisting as it falls.
Note:
As the back cut nears the hinge
18), the tree should begin to fall.
7.
When the tree begins to fall, remove the chain
saw, shut it off, put it down, and retreat along the
path you determined in step 2.
Important:
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undesired direction, immediately stop the
cut, shut off the chain saw, put the chain saw
down, and use a non-metallic wedge to open
the back cut and push the tree in the desired
direction.
15
Figure 18
3. Hinge
4. Back cut
(Figure
18).
Ensure that the first cut and the
Figure
Stop the third cut 2.5 to 5.0 cm
(Figure
18), which keeps
If the tree begins to fall in an
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18.
(Figure
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