13MS 380
English
C = Felling notch determines the
direction of fall
: Make the horizontal cut – check the
direction of fall with the gunning
sight.
: Make top cut at an angle of about
45°.
: Check the felling notch and correct it
if necessary.
Important points:
– Felling notch at a right angle to
planned direction of fall.
– As close as possible to the ground.
– Cut to a depth of about
1
/
5
to
1
/
3
of
the trunk diameter.
Sapwood cuts
Sapwood cuts help prevent long-fibered
wood splintering when the tree falls.
Apply the cuts at both sides of the trunk
at the same height as the bottom of the
felling notch, to a depth of about
1
/
10
of
the trunk diameter. On large diameter
trees, cut to no more than the width of
the guide bar.
Do not use sapwood cuts on diseased
trees.
Felling cut
Shout a warning before starting the
felling cut.
– Make the felling cut (D) slightly
higher than bottom of felling notch.
– Cut horizontally.
– Leave approx.
1
/
10
of tree diameter
uncut. This is the hinge.
001BA143 KN
C
C
001BA150 KN
001BA144 KN
D
D
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