5
5
102514
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.
Kick Guard
Covers the nose area of the bar and chain where
kickback reaction is generated. No chain contact in this area. No
rotational kickback.
Limbing
Process of cutting limb(s) from a felled tree.
Low-Kickback Chain
Chain that reduces chance of kickback
as required by ANSI 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 occur 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 ANSI B175.1
when used with a specific saw. It may not meet ANSI require-
ments 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 position 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 accidental 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.
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 Hand Guard
Shield between front handle and guide bar.
Protects left hand while using saw. When kickback occurs, the
front hand guard is moved forward by the back of operator’s left
hand. This stops the saw chain quickly, reducing the chance of
serious injury.
Front Handle
Located at front of saw body.
Guide Bar
Metal bar that extends from saw body. The guide bar
supports and guides chain.
PRODUCT IDENTIFICATION
Guide Bar
Power Cord
Rear
Handle
Rear Hand
Guard
Spike
Front Hand
Guard
Saw
Chain
Switch
Lockout
Oil Level Sight Hole
(located on saw body,
hidden by front handle)
Front
Handle
Motor
Housing
Trigger
Oil Cap
Guide Bar
Nose
Scabbard
Figure 2 - Electric Chain Saw
Kick Guard
Kick Guard