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FrontHandle
LeftSide _- Sew Chain r Manual Oiler Control
\ / r s,,Itcht.ocko=
_ _rHandl.
Right Side
*'3J Sprocket J _. Spocket Guide
E,erTip Guide - An attachment that
may be providedon the end cf the guide
barto preventthe chain at the and ofthe
_uide ber from _ the weed.
uctdng - The process of cross cutting
a fe4tsdtree or log into lengths.
Chain Brake - A device used to stop
the chain saw.
Chain Saw Pcwerheed - A chain saw
withoutthe saw chain and guide bar,
Clutch - A mechanism for connecting
and disconnecting a driven member to
and from a rotating eoume of power.
Drive Sprocket or Sprocket - The
toothed pad that drives the sew chain.
Felting - The process of cutting down a
tree.
Failing Back Cut - The final cut in a
tree felling operation rnade on the op-
posite of the tree fromthe notching un-
dercut.
Front Handle ~ The support handle lo-
cated at or toward the front of the chain
SaW.
Front Handle Guard - A structural bar-
der between the front handle of a chain
saw and the guide, typically located
close tothe hand position on the front
handle and sometimes employed as an
activating lever for a chain brake.
Guide Bar - A solid railed structure that
supports and guides the saw chain.
Kickt_ck ~ The backward cr upward
motion, or both of the guide bar ocCur-
ring when the saw chain near the nose
ofthe top area ofthe guide bar contacts
any object such as a leg cr branch, or
when the wocd closesin and pinches
the saw chain In the cut.
Kickback, Pinch - The rapid push-
back ofthe saw which can occur when
the wood closes in and pinches the
movingsaw chain in the cut along the
top of the guide bar.
Kickback, Rotational - The rapid up-
ward end backward motion ofthe saw
which can occur when the moving saw
chain near the upper portionofthe tipof
the guide bar contacts an object, such
as a log or branch.
Low-Kickback Chain - A chain that
complies with the kickback perfor-
mance requirements of ANSi
B175.1-1991 when tested on a repre-
sentative sample of chain saws.
Normal Cutting PoMtlon - Those
positions assumed in performingthe
bucking and fellingcuts.
Notching Undercut - A notchcut in e
tree that directs the tree's fall.
Continued on next page
16
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