19
1
2
1/3
2/3
2
1
2/3
1/3
BUCKING A LOG
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.
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. Always rmly engage 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, make sure that the
chain is not jammed when cutting along the
top edge.
NOTE: When the log is supported on one
end, cut 1/3 the diameter from the underside
(underbuck), then make the nished cut by
overbucking to meet the rst cut.
NOTE: When the log is supported on both
ends, cut 1/3 the diameter from the top
(overbuck), then make the nished cut by
underbucking the lower 2/3 to meet the rst
cut.
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