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Safety Rules for Cordless Rotary Tools
Shorting the battery terminals together may cause
sparks, burns, or a fire.
Maintain tools with care. Keep cutting tools sharp and
clean. Properly maintained tools with sharp cutting
edge are less likely to bind and are easier to control.
Check for misalignment or binding of moving parts,
breakage of parts, and any other condition that may
affect the tool's operation. If damaged, have the tool
serviced before using. Many accidents are caused by
poorly maintained tools.
Use only accessories that are recommended by the
manufacturer for your model. Accessories that may be
suitable for one tool may create a risk of injury when
used on another tool.
Service
Tool service must be performed only by qualified
repair personnel. Service or maintenance performed
by unqualified personnel may result in a risk of injury.
When servicing a tool, use only identical replacement
parts. Follow instructions in the Maintenance section
of this manual. Use of unauthorized parts or failure to
follow Maintenance Instructions may create a risk of
shock or injury.
Accessories must be rated for at least the speed rec-
ommended on the tool warning label. Wheels and
other accessories running over rated speed can fly apart
and cause injury.
Hold tool by insulated gripping surfaces when per-
forming an operation where the cutting tool may con-
tact hidden wiring or its own cord. Contact with a "live"
wire will make exposed metal parts of the tool "live" and
shock the operator. If cutting into existing walls or other
blind areas where electrical wiring may exist is unavoid-
able, disconnect all fuses or circuit breakers feeding this
worksite.
Before changing accessories remove battery pack.
Accidental starting may occur because battery tools
with a battery inserted are in the operative condition.
Be aware of the switch location, when placing the tool
down or when picking the tool up. You may acciden-
tally activate the switch.
Always hold the tool with two hands during start-up.
The reaction torque of the motor can cause the tool to
twist.
Always wear safety goggles and dust mask. Use only
in well ventilated area. Using personal safety devices
and working in safe environment reduces risk of injury.
After changing the bits or making any adjustments,
make sure the collet nut and any other adjustment
devices are securely tightened. Loose adjustment
device can unexpectedly shift, causing loss of control,
loose rotating components will be violently thrown.
Do not reach in the area of the spinning bit. The prox-
imity of the spinning bit to your hand may not always be
obvious.
Allow brushes to run at operating speed for at least
one minute before using wheel. During this time no
one is to stand in front or in line with the brush. Loose
bristles or wires will be discharged during the run-in
time.
Wire and bristle brushes must never be operated at
speeds greater than 15,000/min. Direct the discharge
of the spinning wire brush away from you. Small par-
ticles and tiny wire fragments may be discharged at
high velocity during the “cleaning” action with these
brushes and may become imbedded in your skin.
Bristles or wires will be discharged from the brush at
high speeds.
"Wear protective gloves and face shield with wire or
bristle brushes. Apply wire or bristle brushes lightly
to the work as only the tips of the wire/bristles do the
work. “Heavy” pressure on bristles will cause the wire
or bristle to become overstressed, resulting in a wiping
action and will cause the bristles/wire to be discharged."
Carefully handle both the tool and individual grinding
wheels to avoid chipping or cracking. Install a new
wheel if tool is dropped while grinding. Do not use a
wheel that may be damaged. Fragments from a wheel
that bursts during operation will fly away at great veloc-
ity possibly striking you or bystanders.
Never use dull or damaged bits. Sharp bits must be
handled with care. Damaged bits can snap during use.
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