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Ryobi P2502 Manual Del Operador página 14

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Bucking
The process of cross cutting a felled tree or log into lengths.
Chain Saw Power Head
A chain saw without the saw chain and guide bar.
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 chain saw
and the guide bar, typically located close to the hand posi-
tion on the front handle.
Front Handle
The support handle located at or toward the front of the
chain saw. 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.
Kickback (Rotational)
The rapid upward and backward motion of the saw which
can occur when the moving saw chain near the upper por-
tion of the tip of the guide bar contacts an object, such as
a log or branch.
PRODUCT SPECIFICATIONS
„ Motor .............................................................18 Volt DC
„ Bar Length ............................................................. 10 in.
NOTE: This saw was designed for occasional light duty use
and has some limitations as to what it can cut.
GLOSSARY OF TERMS
Lock-out Button
A movable stop that prevents the unintentional operation of
the switch until manually actuated.
Low-Kickback Chain
A chain that complies with the kickback performance re-
quirements of ANSI B175.1 when tested on a representative
sample of chain saws.
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 kick-
back significantly.
Replacement Saw Chain
A chain that complies with the kickback performance re-
quirements of ANSI B175.1 when tested with specific chain
saws. 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.
Switch Trigger
A device that when operated will complete or interrupt an
electrical power circuit to the motor of the chain saw.
FEATURES
KNOW YOUR CHAIN SAW
See Figure 1.
The safe use of this product requires an understanding of
the information on the product and in this operator's manual
as well as a knowledge of the project you are attempting.
Before use of this product, familiarize yourself with all op-
erating features and safety rules.
8 - English

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