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11
Opening
of felling
cut
Closing of
notch
Hinge holds tree on stump and helps
control fall
NOTE:
Before felling cut is complete, use
wedges to open the cut when necessary to
control the direction of fall. Toavoid kickback
and chain dam age, use wood or plastic
wedges, but never steel or iron wedges.
S
Be alert to signs that the tree is ready to
fall: cracking sounds, widening of the fell-
ing cut, or movement in the upper
branches.
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As tree starts to fall, stop saw, put it down,
and get away quickly on your planned re-
treat path.
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Be extremely cautious with partially fallen
trees that maybe poorly supported. When
a tree doesn’t fall completely, set the saw
aside and pull down the tree with a cable
winch, block and tackle, or tractor. Do not
cut down a partially fallen tree with your
saw.
CUTTING A FALLEN TREE
(BUCKING)
Bucking is the term used for cutting a fallen
tree to the desired log size.
WARNING:
Donot stand on the log
being cut. Any portion can roll causing loss
of footing and control. Do not stand downhi ll
of the log being cut.
IMPORTANT POINTS
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Cut only one log a t a time.
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Cut shattered wood very carefully; sharp
pieces ofwood could beflung toward oper-
ator.
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Use a sawhorse to cut small logs. Never
allow another person to hold the log while
cutting and never hold the log with yourleg
or foot.
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Do not cut in an area where logs, limbs,
and roots are tangled such as in a blown
down area. Drag the logs into a clear area
before cutting by pulling out exposed and
cleared logs first.
TYPES OF CUTTING USED FOR
BUCKING
WARNING:
If saw becomes
pinched or hung in a log, don’t try to force i t
out. Youcan losecontrol of the sawresulting
in injury and/or damage to the saw. Stop the
saw, drive awedge ofplastic orwood into the
cut until the saw canbe removed easily. Re-
start thesawand carefully reenter the cut. To
avoid kickback and chain damage, do not
use ametal wedge. Donot attempt torestart
your saw when it is pinched or hung in a log.
Use a wedge to remove pinched saw
Turn saw
OFF
and use a plastic or
wooden wedge to force cut open.
Overcutting begins onthe top sideof thelog
with the bottom of the saw against the log.
When overcutting use light downward pres-
sure.
Overcutting Undercutting
Undercutting involves cutting on the under-
side of the log with top ofsaw against thelog.
When undercutting use light upward pres-
sure. Hold saw firmly and maintain control.
The saw will tend to push back toward you.
WARNING:
Never turn sawupside
down to undercut. The saw cannot be con-
trolled in this position.
Always make your first cut on the compres-
sion side of the log. Thecompression sideof
the log is where the pressure of the log’s
weight is concentrated.
Second cut
First cut on compression side of log
First cut on compression side of log
Second cut
BUCKING WITHOUT A
SUPPORT
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Overcut through
1/3
of the diameter of the
log.
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Roll the l og over and finish with a second
overcut.
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Watch for logs with a compression side to
prevent the saw from pinching. See il-
lustration for cutting logs with a compres-
sion side.
BUCKING USING A LOG OR
SUPPORT STAND
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Remember your first cut is always on the
compression side of the log.
(Refer to the illustration below for yourfirst
and second cut)
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Your first cut should extend
1/3
of the
diameter of the log.