5
5
101241
PRODUCT IDENTIFICATION
Power Cord
Rear
Handle
Rear Hand
Guard
Spike
Saw
Chain
Guide Bar
Nose
Guide Bar
Oil Level Sight Hole
(located on saw body,
hidden by front handle)
Front
Handle
Motor
Housing
Trigger
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 CSA Standard Z62.3.
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 CSA
Standard Z62.3. when used with a specific saw. It may not
meet CSA Standard 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 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.
Figure 2 - Electric Chain Saw
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.
Switch
Lockout
Oil Cap
Front Hand
Guard/
Chain Brake