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20 • ENGLISH
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Hold tool by insulated gripping surfaces when
performing an operation where the cutting tool
may contact hidden wiring or its own cord.
Contact with a “live” wire will also make exposed metal
parts of the tool “live” and shock the operator.
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When ripping, always use a rip fence or straight
edge guide. This improves the accuracy of cut and
reduces the chance for blade binding.
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Always use blades with correct size and shape
(diamond vs. round) arbor holes. Blades that do
not match the mounting hardware of the saw will run
eccentrically, causing loss of control.
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Never use damaged or incorrect blade washers
or bolts. The blade washers and bolt were specially
designed for your saw, for optimum performance and
safety of operation.
CAUSES AND OPERATOR PREVENTION
OF KICKBACK
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Kickback is a sudden reaction to a pinched, bound or
misaligned saw blade, causing an uncontrolled saw
tolift up and out of the work piece toward the operator.
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When the blade is pinched or bound tightly by the
kerf closing down, the blade stalls and the motor
reaction drives the unit rapidly back toward the
operator.
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If the blade becomes twisted or misaligned in the cut,
the teeth at the back edge of the blade can dig into the
top surface of the wood causing the blade to climb out
of the kerf and jump back toward operator.
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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.
a. Maintain a firm grip with both hands on the
saw and position your body and arm to allow
you to resist KICKBACK forces. Kickback forces
can be controlled by the operator, if proper
precautions are taken.
b. When blade is binding, or when interrupting
a cut for any reason, release the trigger and
hold the saw motionless in the material until
the blade comes to a complete stop. Never
attempt to remove the saw from the work or
pull the saw backward while the blade is in
motion or KICKBACK may occur. Investigate
and take corrective actions to eliminate the cause
of blade binding.
c. When restarting a saw in the workpiece, center
the saw blade in the kerf and check that the
saw teeth are not engaged into the material.
If saw blade is binding, it may walk up or KICKBACK
from the workpiece as the saw is restarted.
d. Support large panels to minimize the risk of
blade pinching and KICKBACK. Large panels
tend to sag under their own weight. Support must
be placed under the panel on both sides, near the
line of cut and near the edge of the panel.
e. Do not use dull or damaged blade. Unsharpened
or improperly set blades produce narrow kerf
causing excessive friction, blade binding, and
KICKBACK.
f. Blade depth and bevel adjusting locking levers
must be tight and secure before making cut. If
blade adjustment shifts while cutting, it may cause
binding and KICKBACK.
g. Use extra caution when making a “Pocket Cut”
into existing walls or other blind areas. The
protruding blade may cut objects that can cause
KICKBACK.
SAFETY GUIDELINES/DEFINITIONS
It is important for you to read and understand this manual.
The information it contains relates to protecting Safety
and Preventing Problems. The symbols below are used
to help you recognize this information.
Danger! Indicates an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
Warning! Indicates a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
Caution! Indicates a potentially hazardous situation
which, if not avoided, may result in minor or moderate injury.
Caution! Used without the safety alert symbol indicates
potentially hazardous situation which, if not avoided, may
result in property damage.
ADITIONAL SAFETY RULES
FOR CIRCULAR SAWS
Warning! Some dust created by power sanding,
sawing, grinding, drilling, and other construction activities
contains chemicals known to cause cancer, birth defects
or other reproductive harm.
Some examples of these chemicals are:
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Lead from lead-based paints,
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Crystalline silica from bricks and cement and other
masonry products,
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Arsenic and chromium from chemically-treated lumber
(CCA).
Your risk from these exposures varies, depending on how
often you do this type of work. To reduce your exposure to
these chemicals:
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Work in a well ventilated area, and work with approved
safety equipment, such as those dust masks that are
specially designed to filter out microscopic particles.