20
English
MS 170, MS 180, MS 180 C
Making sapwood cuts
: For medium sized or larger trees
make cuts at both sides of the trunk,
at same height as subsequent
felling cut.
: 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:
: Begin 1 to 2 inches (2,5 to 5 cm)
higher than center of felling notch.
: Cut horizontally towards the felling
notch.
: Leave approx.1/10 of diameter
uncut. This is the hinge.
: 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
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