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MS 194 C
English
23
Open-face Technique
Felling notch (C) – determines the
direction of the fall
For an open-face cut:
N
Properly place felling notch
perpendicular to the line of fall,
close to the ground.
N
Cut down at approx. 50° angle to a
depth of approx.1/5 to 1/4 of the
trunk diameter.
N
Make second cut from below at
approx. 40 degree angle.
N
Remove resulting 90° piece.
Making Sapwood Cuts
N
For medium sized or larger trees
make cuts at both sides of the trunk,
at same height as subsequent
felling cut.
N
Cut to no more than width of guide
bar.
This is especially important in softwood
in summer – it helps prevent sapwood
splintering when the tree falls.
D =Felling Cut
Conventional and open-face technique:
N
Begin 1 to 2 inches (2,5 to 5 cm)
higher than center of felling notch.
N
Cut horizontally towards the felling
notch.
N
Leave approx.1/10 of diameter
uncut. This is the hinge.
N
Do not cut through the hinge – you
could lose control of the direction of
the fall.
Drive wedges into the felling cut where
necessary to control the fall.
WARNING
If the tip of the bar contacts a wedge, it
may cause kickback. Wedges should be
of wood or plastic – never steel, which
can damage the chain.
001BA150 KN
001BA144 KN
D
D
Содержание MS 194 C
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