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Kickback,
Pinch - The rapid pushback
of the saw which can occur when the
wood closes in and pinches the moving saw chain in the cut along the top of the
guide bar.
Kickback,
Rotational
- The rapid upward and backward
motion of the saw
which can occur when the moving saw chain near the upper portion of the tip of
the guide bar contacts
an object, such as a log or branch.
Low-Kickback
Chain
- A chain that complies with the kickback performance
requirements
of ANSI B175.1-1991
when tested on a representative
sample of
chain saws.
Normal
Cutting
Poeition
- Those positions
assumed
in performing
the buck-
ing and felling cuts.
Notching
Undercut
- A notch cut in a tree that directs the tree's fall.
Oiler Control
- A system for oiling the guide bar and saw chain.
Rear Handle
- The support handle tocated at or toward the rear of the saw.
Reduced
Kickback
Guide
Bar - A guide bar which has been demonstrated
to
reduce kickback significantly.
Replacement
Saw Chain
- A chain that complies
with the kickback
perfor-
mance requirements
of ANSi B175.1-1991
when tested with specific chain
saws. tt may not meet the ANSI performance
requirements
when used with oth-
er"saws.
Saw Chain
- A toop of chain having cutting teeth, that cut the wood, and that is
driven by the motor and is supported
by the guide bar.
Spiked
Bumper
(Spike)
- The pointed tooth or teeth for use when felling or
bucking to pivot the saw and maintain
position while sawing.
Switch
- A device that when operated
wilt complete
or interrupt an electrical
power circuit to the motor of the chain saw.
Switch
Linkage
- The mechanism
that transmits
motion from the trigger to the
switch.
Switch
Lockout
- A movable
stop that prevents the unintentional
operation
of
the switch until manually
actuated.
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