CHAIN SAW NAMES AND TERMS
Process of cutting a felled tree or log into
Bucking
lengths.
Chock
Block or wedge used to secure wood from
moving.
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.
Tip or end of guide bar.
Guide Bar Nose
Quick backward and upward motion of
Kickback
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
kickback as required by ANSI B175.1.
Normal Cutting Position
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)
saw. Pushback may occur if chain along top of guide
bar is pinched, caught, or contacts a foreign object.
Chain that reduces chance of
Stance used while making
Rapid pushback of chain
Handle located at rear of saw body.
Rear Handle
Reduced Kickback Guide Bar
duces chance of kickback.
Replacement Chain
B175.1 when used with a specific saw. It may not meet
ANSI requirements when used with other saws.
Saw Chain (Chain)
teeth for cutting wood. The motor drives chain. The
guide bar supports chain.
Spiked Bumper (Spike)
saw body beside guide bar. Keep spiked bumper in
contact with wood when felling or bucking. It helps
maintain position of saw while cutting.
Toothed wheel that drives chain.
Sprocket
Device that completes or interrupts electrical
Switch
circuit to motor of saw.
Switch Linkage
This device connects switch to trig-
ger. It moves switch when you squeeze trigger.
Switch Lockout
Device that reduces accidental
starting of saw.
Device that turns saw on and off. Squeezing
Trigger
trigger turns saw on. Releasing trigger turns saw off.
Trimming (Pruning)
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.
8
Guide bar that re-
Chain that complies with ANSI
Loop of chain having cutting
Pointed teeth at front of
Process of cutting limb(s) from