PXCCSS-018
5. CUTTING
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APPLICATIONS
2. Start cutting by holding the
chainsaw by the front handle
and raising the rear handle.
1. Press the bucking spikes against
the timber ensuring the chain
is not making contact with the
material being cut.
3. If you cannot cut the timber
in a single stroke, apply
light pressure to the front
handle and continue sawing,
draw the chainsaw back a
little then apply the bucking
spikes a little lower and
finish the cut by raising the
rear handle.
4. Withdraw the chainsaw from
the cut while the chain is still
running.
Pruning
Felling a Tree
Decide the direction in which you wish
the tree to fall, taking into account
the direction of the wind, the position
of branches, lean of the tree, ease of
subsequent limbing and bucking and
other factors prevalent at the time.
Pruning is the removal of a limb or branch from
a standing tree.
WARNING!:
FELLING A TREE SHOULD ONLY BE
DONE BY TRAINED OPERATORS.
Limbing
WARNING!:
FELLING ALWAYS KEEP A BALANCED
STANCE. DO NOT STAND ON THE LOG. BE ALERT TO
THE FACT THAT THE LOG MAY ROLL OVER. WHEN
WORKING ON A SLOPE, ALWAYS STAND ON THE UP HILL
SIDE OF THE LOG.
Limbing is the process of removing the
branches from a fallen tree. Check the
direction in which a branch will bend
before cutting it. Always cut on the
opposite side to the bending direction so
that the guide bar is not pinched in the cut.
For large limbs that cannot be removed in
one cut, make an initial cut from the bent side and finish by sawing from the
opposite direction. Do not remove limbs that are supporting the fallen tree on
the ground until the tree has been cut into lengths.
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Bucking
Bucking is cutting a log into lengths for easier
handling. To saw a log lying on the ground,
first saw halfway, then roll the log over and cut
from the opposite side. To saw the end of a log
supported off the ground, first saw up from the
bottom one-third through the log then finish
by sawing down from the top. To saw a log in
the middle of two supports holding it off the
ground, first saw down from the top one-third through the log then finish by
sawing up from the bottom.
CAUTION:
FIRST AVOID CUTTING THE GROUND AS THIS
WILL VERY QUICKLY DULL THE SAW CHAIN.
WARNING!:
DO NOT USE AN UNSTABLE FOOTHOLD
OR LADDER. DO NOT OVERREACH. DO NOT SAW
ABOVE SHOULDER HEIGHT. ALWAYS USE BOTH
HANDS TO HOLD THE SAW. FIRST CUT UP FROM THE
BOTTOM AND FINISH DOWN FROM THE TOP.
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Hints and Tips
• Do not force the saw into the cut. Apply only light pressure whilst running
the chain.
• If the saw chain gets caught in the cut, do not try to remove it by twisting
the guide bar or pulling forcibly. Use a lever or wedge to open up the cut
so that the saw chain is freed.
• Keep your left arm with elbow locked in a “straight arm” position to
withstand any kickback force.
• While cutting, always:
– Run the chainsaw motor at full speed. This makes the job safer, as there
is less chance of pull-in or kick-back.
– Position your body to the left of
the chainsaw so if it kicks back
uncontrollably, it goes over your right
shoulder, never stand in the cutting line
of the saw.
– Keep a firm grip with your left hand
on the front handle, with your thumb
securely below the handle.
LEFT HAND
CUTTERS
STRAIGHT
ARM
POSITION
CHAIN
LINE
RIGHT HAND
CUTTERS
30°
30°
CAUTION:
FIRST TIME USERS SHOULD, AS A MINIMUM
PRACTISE, CUT LOGS ON A SAW-HORSE OR CRADLE
