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17
bind the saw chain, stop cutting before
the felling back cut is complete and use
wedges of wood, plastic or aluminium to
open the cut and drop the tree along the
desired line of fall. (See Fig.30)
1
2
Fig.30
REMOVING BUTTRESS ROOTS (See Fig.30)
Fig.31
1. A buttress root is a large root extending
from the trunk of the tree above the
ground. Remove large buttress roots
prior to felling. Make the horizontal cut
into the buttress rst, followed by the
vertical cut. (See Fig.32)
1
2
Fig.32
2. Remove the resulting loose section
from the work area. Follow the correct
tree felling procedure after you have
removed the large buttress roots. (See
Fig.33)
Fig.33
BUCKING A LOG (See Fig.34)
Fig.34
WARNING:
Kickback may occur when
the nose or tip of the guide bar touches
an object, or when the wood closes in and
pinches the saw chain in the cut. (See
Fig.35)
Fig.35
WARNING:
The reaction force is always
opposite to the direction the chain is
moving.
Thus, the operator must be ready to control
the tendency for the product to pull away
(forward motion) when cutting on the
bottom edge of the bar. Engage always
rmly the bumper spike to avoid such
movement. The product can be pushed
backwards (towards the operator) when
cutting along the top edge. To avoid this
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