2
SAFETY PRECAUTIONS
*
Reprint of American National Standards Institute
(ANSI), Annex C B 175.1 – 2000
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(a) Do not operate a chain saw when you are fatigued.
(b) Use safety footwear; snug-fitting clothing; protective
gloves; and eye, hearing, and head protection
devices.
(c) Use caution when handling fuel. Move the chain
saw at least 10 feet (3 m) from the fueling point
before starting the engine.
(d) Do not allow other persons to be near the chain saw
when starting or cutting with the chain saw. Keep
bystanders and animals out of the work area.
(e) Do not start cutting until you have a clear work area,
secure footing, and a planned retreat path from the
falling tree.
(f)
Keep all parts of your body away from the saw chain
when the engine is running.
(g) Before you start the engine, make sure that the saw
chain is not contacting anything.
(h) Carry the chain saw with the engine stopped, the
guide bar and saw chain to the rear, and the muffler
away from your body.
(i)
Do not operate a chain saw that is damaged,
improperly adjusted, or not completely and securely
assembled. Be sure that the saw chain stops
moving when the throttle control trigger is released.
(j)
Shut off the engine before setting the chain saw
down.
(k) Use extreme caution when cutting small size brush
and saplings because slender material may catch
the saw chain and be whipped toward you or pull
you off balance.
(l)
When cutting a limb that is under tension be alert for
springback so that you will not be struck when the
tension in the wood fibers is released.
(m) Keep the handles dry, clean, and free of oil or fuel
mixture.
(n) Operate the chain saw only in well-ventilated areas.
(o) Do not operate a chain saw in a tree unless you
have been specifically trained to do so.
(p) Do not operate a chain saw above shoulder height.
(q) All chain saw service, other than the items listed in
the operator’s/owner’s safety and maintenance
instructions, should be performed by competent
chain saw service personnel. (For example, if
improper tools are used to remove the flywheel or if
an improper tool is used to hold the flywheel in order
to remove the clutch, structural damage to the fly-
wheel could occur and subsequently cause the
flywheel to burst.)
(r)
When transporting your chain saw, use the
appropriate guide bar scabbard.
Note: This Annex is intended primarily for the consumer
or occasional user.
(ANSI B 175.1 - 2000 Annex C)
Safety precautions for chain
saw users*
C 1. Kickback safety precautions
WARNING!
KICKBACK may occur when the nose or tip of the
guide bar touches an object, or when the wood closes
in and pinches the saw chain in the cut.
•
Tip contact in some cases may cause a lightning
fast reverse REACTION, kicking the guide bar up
and back towards the operator.
•
Pinching the saw chain along the top of the guide
bar may push the guide bar rapidly back towards
the operator.
•
Either of these reactions may cause you to lose
control of the saw which could result in serious
personal injury.
Do not rely exclusively upon the safety devices built
into your saw. As a chain saw user, you should take
several steps to keep your cutting jobs free from
accident or injury.
(a) With a basic understanding of kickback, you can
reduce or eliminate the element of surprise. Sudden
surprise contributes to accidents.
(b) Keep a good firm grip on the saw with both hands,
the right hand on the rear handle, and the left hand
on the front handle, when the engine is running.
Use a firm grip with thumbs and fingers encircling the
chain saw handles. A firm grip will help you reduce
kickback and maintain control of the saw. Don’t let
go.
(c) Make sure that the area in which you are cutting is
free from obstacles. Do not let the nose of the guide
bar contact a log, branch, or any other obstacle
which could be hit while you are operating the saw.
(d) Cut at high engine speeds.
(e) Do not overreach or cut above shoulder height.
(f)
Follow manufacturer’s sharpening and maintenance
instructions for the saw chain.
(g) Only use replacement bars and chains specified by
the manufacturer or the equivalent.
C 2. Other Safety Precautions
WARNING!
Do not operate a chain saw with one hand! Serious
injury to the operator, helpers, bystanders or any
combination of these persons may result from one-
handed operation. A chain saw is intended for two-
handed use.
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