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21
CS-352
To fell big trees with a diameter exceeding twice the bar
length, start the notching cuts from one side and draw
the saw through to the other side of the notch.
Start the back cut on one side of the tree, pivoting the
saw through to form the desired hinge on that side.
Then remove the saw for the second cut. Insert the saw
in the rst cut, very carefully so as not to cause kick-
back.
The nal cut is made by drawing the saw forward in the
cut to reach the hinge.
LIMBING
Limbing a fallen tree is much the same as bucking.
Never stand on the tree that you are limbing.
When limbing, caution is the word.
Be careful of the tip touching other limbs.
Always use both hands.
Don’t cut with the saw overhead or aligned vertically with
your body. If the saw should kickback, you may not have
enough control to prevent possible injury.
BUCKING
Bucking is the sawing of a log or fallen tree into smaller
pieces.
There are a few basic rules which apply to all bucking
operations.
Keep both hands on the handles at all times. Support
logs if possible.
When cutting on a slope or hillside, always stand uphill.
Keep in mind that the wood is heavy and that it will bend
and pinch the saw if improperly supported. The trunk
will weaken at the point where you make the cut unless
the tree is lying on perfectly at ground or supported as
shown. If you make the cut with the tree on the ground,
don’t let the saw’s chain dig into the earth; it is harmful
for the saw, and you stand a good chance of being struck
by ying debris.
To cut the trunk, use the bucking and two-cut sequence
shown. The rst cut should be no deeper than one-third
the trunk diameter.
DANGER
• Kickback is generated when the rotation of the
chain is arrested for some reason.
The most dangerous effect of this action occurs
when the nose of the bar contacts another object,
the chain is momentarily stopped and all the
energy of the engine throws the bar upwards and
backwards towards the operator.
• The chain saw industry and government
agencies have attempted to prescribe various
safety devices, but the best protection is to avoid
kickback.
• Comply with the safety precautions as listed in
this Manual and Safety Manual.
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Uphill position
Finish cut
First cut
Boardoratstones