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extend back and diagonally to the rear of the expected
line of fall as shown below.
RETREAT
45°
TREE
45°
RETREAT
•
Before felling is started, consider the natural lean of
the tree, the location of larger branches and the wind
direction to judge which way the tree will fall. Have
wedges (wood, plastic or aluminum) and a heavy mallet
handy. Remove dirt, stones, loose bark, nails, staples, and
wire from the tree where the felling cuts are to be made.
notching Undercut - Make the notch 1/3 of the
•
diameter of the tree, perpendicular to the direction of
the fall. Make the lower horizontal notching cut first. This
will help to avoid pinching of either the saw chain or the
guide bar when the second notch cut is being made as
shown below.
Felling Back Cut - Make the felling back cut at least 2"
•
(51 mm) higher than the horizontal notching cut. Keep
the felling back cut parallel to the horizontal notching
cut. Make the felling back cut so enough wood is left
to act as a hinge. The hinge wood keeps the tree from
twisting and falling in the wrong direction. Do not cut
through the hinge as shown below.
•
As the felling cut gets close to the hinge the tree should
begin to fall. If there is any chance that the tree may
not fall in the desired direction or it may rock back and
bind the saw chain, stop cutting before the felling cut is
complete and use wedges to open the cut and drop the
tree along the desired line of fall. When the tree begins
to fall remove the chain saw from the cut, stop the
motor, put the chain saw down, then use the retreat path
planned. Be alert for overhead limbs falling and watch
your footing.
DIRECTION OF FALL
2" (51 mm)
NOTCH
Limbing
Removing the branches from a fallen tree. When limbing,
leave larger lower limbs to support the log off the ground.
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Remove the small limbs in one cut. Branches under tension
should be cut from the bottom of the branch towards the
top to avoid binding the chain saw as shown below. Trim
limbs from opposite side keeping tree stem between you
and saw. Never make cuts with saw between your legs or
straddle the limb to be cut.
DIRECTION
OF
FALL
Bucking
Cutting a felled tree or log into lengths. How you should
cut depends on how the log is supported. Use a saw horse
whenever possible as shown below.
1. Always start a cut with the saw chain running at
2. Place the bottom spike
3. Turn the chain saw on then rotate the saw chain and bar
4. Once the chain saw gets to a 45° angle, level the chain
5. When the tree is supported along its entire length, make
FELLING BACK CUT
2" (51 mm)
HINGE
WARNING: Recommend that first time users should
practice cutting on a saw horse.
full speed.
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of the chain saw behind the
area of the initial cut as shown below.
down into the tree, using the spike as a hinge.
saw again and repeat steps until you cut fully through.
a cut from the top (overbuck), but avoid cutting the earth
as this will dull your saw quickly.
CUT FROM TOP (OVERBUCK)
AVOID CUTTING EARTH
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