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Remove any branches that are in the way. To do this it
is best to work from the top down and keep the trunk
between you and the chain saw. Never limb above
shoulder height.
D. Felling
Felling is done using three cuts. First you make the
DIRECTIONAL CUTS, which consist of the TOP CUT
(CUT1) and the BOTTOM CUT (CUT2); followed by the
FELLING CUT (CUT3). By placing these cuts correctly
you can control the felling direction very accurately.
CUT2
CUT1
CUT3
A
B
C
NOTICE
If the tree has large buttress roots, remove them before
making the notch. If using saw to remove buttress roots,
keep saw chain from contacting ground to prevent
dulling of the chain. Remove dirt, stones, loose bark,
nails, staples, and wire from the tree where cuts are to
be made.
1. To make the DIRECTIONAL CUT, you begin with
the TOP CUT (CUT1), Cut through 1/4 of the
diameter (A) of the tree. Stand to the right of the
tree and cut downwards at an angle of 45°.
2. Make the BOTTOM CUT (CUT2), so that it finishes
at the end of the TOP CUT (CUT1). Once the notch
is cut, remove the notch of wood from the tree.
information
The directional cut should run 1/4 of the diameter (A)
through the trunk and the angle between the TOP CUT
and BOTTOM CUT should be 45°.
information
The line where the two cuts meet is called the
DIRECTIONAL CUT LINE.
This line should be perfectly horizontal and at right
angles (90°) to the chosen felling direction.
Содержание NT3760
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