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B
B
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► Observe the following points when planning
escape path (B):
–
Escape path (B) at an angle of 45° to direc‐
tion of fall (A).
–
No obstacles on the escape path (B).
–
The top of the tree can be observed.
–
If the escape path (B) is on a slope, it must
be parallel to the slope.
11.6.2
Preparing work area at base of tree
► Remove obstacles from work area at tree
base.
► Remove growth from tree base.
0000-GXX-1247-A0
► If the tree has large, healthy buttress roots:
Make vertical cut first and then a horizontal
cut, and remove the resulting piece.
11.6.3
Basic information on felling cut
Ø
1/10
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C
C
E
G
C Felling notch
The felling notch determines the direction of
fall.
D Hinge
The hinge helps control the falling tree. The
width of the hinge is 1/10 of the trunk diame‐
ter.
E Felling cut
The tree is felled with the felling cut. The fell‐
ing cut is 1/10 of the trunk diameter (at least 3
cm) above the bottom of the felling notch.
F Stabilizing strap
The stabilizing strap supports the tree and
helps prevent it from falling prematurely. The
width of the stabilizing strap is 1/10 to 1/5 of
the trunk diameter.
G Holding strap
The holding strap supports the tree and helps
prevent it from falling prematurely. The width
of the holding strap is 1/10 to 1/5 of the trunk
diameter.
11.6.4
Cutting a Felling Notch
The felling notch determines the direction in
which the tree will fall. Country-specific stand‐
ards for making the felling notch must be
observed.
1
0000099179_001
► Position the chainsaw so that the felling notch
is at a right angle to the felling direction and
the chainsaw is close to the ground.
► Control the felling direction with the felling
notch (1).
► Make the horizontal cut.
► Make the angled cut at 45° to the horizontal
cut.
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English
11 Operating the Saw
50
0458-009-9601-B