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16
CS-370
LIMBING
Limbing a fallen tree is much the same as bucking.
Never remove a limb from a tree while it is
supporting your weight.
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 the bar in a
vertical position. 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 flat
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 flying debris.
To cut the trunk, use the bucking and two-cut
sequence shown.
The first 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 ON PAGE 2 OF
THIS MANUAL AND SAFETY MANUAL.
Uphill position
Finish cut
First cut