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SAFETY INSTRUCTIONS FOR
CHAIN SAWS
3.1
GENERAL CHAIN SAW SAFETY
WARNINGS:
•
Keep all parts of the body away from the saw chain
when the chain saw is operating. Before you start the
chain saw, make sure the saw chain is not contacting
anything. A moment of inattention while operating chain
saws may cause entanglement of your clothing or body
with the saw chain.
•
Always hold the chain saw with your right hand at the
rear handle and your left hand at the front handle.
Holding the chainsaw with a reversed hand configuration
increases the risk of personal injury and should never be
done.
•
Hold the chain saw by insulated gripping surfaces
only, because the saw chain may contact hidden
wiring or its own cord. Saw chains contacting a "live"
wire may make exposed metal parts of the chain saw
"live" and could give the operator an electric shock.
•
Wear eye protection. Further protective equipment
for hearing, head, hands, legs and feet is
recommended. Adequate protective equipment will
reduce personal injury from flying debris or accidental
contact with the saw chain.
•
Do not operate a chain saw, on a ladder, from a
rooftop, or any unstable support. Operation of a chain
saw in this manner could result in serious personal
injury.
•
Always keep proper footing and operate the chain saw
only when standing on fixed,secure and level surface.
Slippery or unstable surfaces may cause a loss of balance
or control of the chain saw.
•
When cutting a limb that is under tension, be alert of
spring back. When the tension in the wood is released,
the spring loaded limb may strike the operator and/or
throw the chain saw out of control.
•
Use extreme caution when cutting brush and saplings.
The slender material may catch the saw chain and be
whipped toward you or pull you off balance.
•
Carry the chain saw by the front handle with the
chainsaw switched off and away from your body.
When transporting or storing the chain saw, always fit
the guide bar cover. Proper handling of the chain saw
will reduce the likelihood of accidental contact with the
moving saw chain.
•
Follow instructions for lubricating, chain tensioning
and changing the bar and chain.
Improperly tensioned
or lubricated chain may either break or increase the
chance for kickback.
•
Cut wood only. Do not use chain saw for purposes not
intended. For example: do not use chain saw for
cutting metal, plastic, masonry or non-wood building
materials.
Use of the chain saw for operations different
than intended could result in a hazardous situation.
•
Do not attempt to fell a tree until you have an
understanding of the risks and how to avoid them.
Serious injury could occur to the operator or bystanders
while felling a tree.
•
This chain saw is not intended for tree felling.
Use of
the chain saw for operations different than intended could
result in serious injury to the operator or bystanders.
•
Do not operate a chain saw in a tree unless you have
been specifically trained to do so. Operation of a chain
saw in a tree without proper training could increase
the risk of serious personal injury.
•
Follow all instructions when clearing jammed
material, storing or servicing the chain saw. Make
sure the switch is off and the battery pack is removed.
Unexpected actuation of the chain saw while clearing
jammed material or servicing may result in serious
personal injury.
3.2
CAUSES AND OPERATOR
PREVENTION OF KICKBACK:
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 sudden 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
chainsaw user, you should take several steps to keep your
cutting jobs free from accident or injury.
Kickback is the result of tool misuse and/or incorrect
operating procedures or conditions and can be avoided by
taking proper precautions as given below:
•
Maintain a firm grip, with thumbs and fingers
encircling the chainsaw handles, with both hands on
the saw and your body and arm positioned to allow
you to resist kickback forces.
Kickback forces can be controlled by the operator, if
proper precautions are taken. Do not let go of the
chainsaw.
•
Do not overreach and do not cut above shoulder
height.
This helps prevent unintended tip contact and
enables better control of the chainsaw in unexpected
situations.
•
Only use replacement bars and chains specified by the
manufacturer.
Incorrect replacement bars and chains
may cause chain breakage and/or kickback.
•
Follow the manufacturer’s sharpening and
maintenance instructions for the saw chain.
Decreasing the depth gauge height can lead to increased
kickback.
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