Safety Rules for Rotary Tools
4
Hold power tool by
insulated
g
r
i
pp
i
ng
surfaces,
because the cutter may
contact
its own cord. Cutting a” live” wire may make exposed metal parts of the power tool” live” and
shock the operator.
Use clamps or another
practical
way
to
secure and
support
the
workpiece
to a
stable
platform.
Holding the work by your hand or against the body leaves it unstable and
may lead to loss of control.
Accessories
must be rated for at least
t
h
e speed
recommended
on the tool
w
a
r
n
i
ng
label. Wheels and other accessories running over rated speed can fly apart and cause injury.
If
cutting
into
existing
walls or other
b
li
nd
areas where
electrical
wiring
may exist
i
s
unavoidable,
disconnect
all fuses or
c
i
r
cu
i
t
breakers feeding this
wo
r
ks
i
t
e
.
Do not operate the
flexible
shaft with a sharp bend. Over bending the shaft can
generate excessive heat on
the jacket or hand piece. The recommended minimum is 5"
radius.
Always
disconnect
the power cord
f
r
om
t
h
e
p
o
w
e r
s
o
u
r
c
e
b
e
f
o
r
e
m
a
k
i
n
g a
ny
adjustments
or
attaching
any a
cc
e
sso
r
i
e
s
.
You may unexpectedly cause the tool to start
leading to serious personal injury.
Be aware of the
switch
locati on,
wh
e
n
placing
the tool down or when
picking
t
h
e
tool up. You may accidentally activate the switch.
Always ho
ld the hand piece firmly in your hands during the start-up. The reaction torque of
the motor, as it accelerates to full speed, can cause the shaft 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.
Do not reach in the area of the spinning bit.
The proximity 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
particles and tiny wire fragments may be discharged at high velocity du
ring 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 wil
l cause the bristles/wire to be discharged.
Carefully handle both the tool and individual grinding wheel 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 velocity possibly striking you or bystanders.
Never use dull or damaged bits. Sharp bits must be handled with care
. Damaged
bits can snap d
uring use. Dull bits require more force to push the tool, possibly causing
the bit to break.
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