12
English
MS 381
The felling notch (C) determines the
direction of fall.
: Make the horizontal cut – check the
direction of fall with the gunning
sight.
: Make angle cut at about 45°.
: Check the felling notch and correct it
if necessary.
Important:
– Felling notch at a right angle to the
planned direction of fall.
– As close to ground as possible.
– Cut to a depth of about
1
/
5
to
1
/
3
of
the trunk diameter.
Sapwood cuts
Sapwood cuts in long-fibered softwood
help prevent sapwood splintering when
the tree falls. Make cuts at both sides of
the trunk at same height as bottom of
felling notch to a depth of about
1
/
10
of
trunk diameter. On large diameter trees,
cut to no more than width of guide bar.
Do not make sapwood cuts if wood is
diseased.
Felling
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 between felling cut and felling
notch. This is the hinge.
001BA143 KN
C
C
001BA150 KN
001BA144 KN
D
D
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