Homelite HCS3435A User Manual page 34

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F D E I P
GLOSARY OF TERMS
Bouncing (Skating)
The sideward motion of the guide bar that can occur
increasing the risk of kickback.
Bucking
The process of cross cutting a felled tree or log into lengths.
Chain Brake
A device used to stop the saw chain.
Chainsaw Powerhead
A chainsaw without the saw chain and guide bar.
Clutch
A mechanism for connecting and disconnecting a driven
member to and from a rotating source of
power.
Drive Sprocket or Sprocket
The toothed part that drives the saw chain.
Felling
The process of cutting down a tree.
Felling Back Cut
The final cut in a tree felling operation made on the opposite
side of the tree from the notching
undercut.
Front Hand Guard
A structural barrier between the front handle of a chainsaw
and the guide bar, typically located close to the hand
position on the front handle, and sometimes employed as
an activating lever for a chain brake.
Front Handle
The support handle located at or toward the front of the
chainsaw. This handle is for the left hand.
Guide Bar
A solid railed structure that supports and guides the saw
chain.
Kickback
The backward or upward motion, or both, of the guide bar
occurring when the saw chain near the nose of the top
area of the guide bar contacts any object such as a log or
branch, or when the wood closes in and pinches the saw
chain in the cut.
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.
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English
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 ISO 9518 when tested on a representative
sample of chainsaws.
Normal Cutting Position
Those positions assumed in performing the bucking and
felling cuts.
Notching Undercut
A notch cut in a tree that directs the tree's fall.
Rear Handle
The support handle located at or toward the rear of the
saw. It normally contains the throttle. This handle is for the
right hand.
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 performance
requirements of ISO 9518 when tested with specific
chainsaws. It may not meet the ANSI performance
requirements when used with other saws.
Saw Chain
A loop of chain having cutting teeth that cut the wood and
that is driven by the motor and is supported by the guide
bar.
Springpole
A small tree (sapling) or limb that is bent or trapped under
tension. It may "spring back" rapidly when cut, causing a
dangerous situation.
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