4
107990
ELECTRIC CHAIN SAW
®
For more information, visit www.desatech.com
CHAIN SAW NAMES
AND TERMS
Bucking Process of cutting a felled tree or
log into lengths.
Felling Process of cutting down a tree.
Felling Cut Final cut when felling a tree.
Make this cut on opposite side of tree from
notching cut.
Front Handle Located at front of saw body.
Front Hand Guard Shield between front
handle and guide bar. Protects left hand
while using saw.
Guide Bar Metal bar that extends from saw
body. The guide bar supports and guides chain.
Guide Bar Nose Tip or end of guide bar.
Kickback Quick backward and upward
motion of guide bar. Kickback may occur
when tip of guide bar touches an object
while chain is moving. The guide bar will
kick up and back towards operator.
Limbing Process of cutting limb(s) from a
felled tree.
Low-Kickback Chain Chain that reduces
chance of kickback as required by ANS
B175.1.
Normal Cutting Position Stance used while
making bucking and felling cuts.
Notching Cut Notch cut in tree that directs
fall of tree.
Oiler Control System for oiling guide bar
and chain.
Power Head Chain saw without chain and
guide bar. Also known as saw body.
Pushback (Kickback, Pinch) Rapid
pushback of chain saw. Pushback may oc-
cur if chain along top of guide bar is pinched,
caught, or contacts a foreign object.
Rear Handle Handle located at rear of saw
body.
Reduced Kickback Guide Bar Guide bar
that reduces chance of kickback.
Replacement Chain Chain that complies
with ANS B175.1 when used with a specific
saw. It may not meet ANS requirements
when used with other saws.
Saw Chain (Chain) Loop of chain having
cutting teeth for cutting wood. The motor
drives chain. The guide bar supports chain.
Spiked Bumper (Spike) Pointed teeth at
front of saw body beside guide bar. Keep
spiked bumper in contact with wood when
felling or bucking. It helps maintain posi-
tion of saw while cutting.
Sprocket Toothed wheel that drives chain.
Switch Device that completes or interrupts
electrical circuit to motor of saw.
Switch Linkage This device connects switch
to trigger. It moves switch when you squeeze
trigger.
Switch Lockout Device that reduces acci-
dental starting of saw.
Trigger Device that turns saw on and off.
Squeezing trigger turns saw on.
Releasing trigger turns saw off.
Trimming (Pruning) Process of cutting
limb(s) from a living tree.
Undercut An upward cut from underside of
log or limb. This is done while in normal
cutting position and cutting with top of
guide bar.
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