8
9
Installing/Removing Accessories
Make sure the grinding wheel does not extend
beyond the bottom of the guard. Threaded hub
grinding wheels may require a deeper guard (see
"Accessories").
1. Unplug the tool.
2. Properly position the guard (Fig. 2).
WARNING
Only use accessories with
Maximum Safe Operating Speed rated at
least equal to the maximum speed marked
on the power tool. This speed is based on
the strength of the wheel, allowing for a
reasonable measure of safety. It is not meant
to imply a best or most effi cient operating
speed. Do not exceed the Maximum Safe
Operating Speed.
Fig. 2
Operator's Zones
Spindle
Flange
Grinding
wheel
Flange nut
Fig. 3
3. Wipe the flange, flange nut and spindle to
remove dust and debris. Inspect the parts for
damage. Replace if needed.
4. Place the fl ange on spindle, as shown.
5. Place the selected wheel on the spindle and
align it with the fl ange.
Flange nut
position for
1/8" thick or less wheels
Fig. 4
1/8"
1/4"
6. Position the fl ange nut over the spindle accord-
ing to wheel thickness (Fig. 4).
7. Press in the spindle lock button while turning the
fl ange nut clockwise. Tighten securely using a
spanner wrench.
8. To
remove
wheel, unplug the tool and reverse
the procedure.
Flange nut
position for
1/4" thick or more wheels
OPERATION
WARNING
To reduce the risk of injury,
wear safety goggles or glasses with side
shields.
WARNING
To reduce the risk of injury,
always unplug tool before attaching or remov-
ing accessories or making adjustments. Use
only specifi cally recommended accessories.
Others may be hazardous.
Slide Switch Operation
To
start
the tool, grasp the handle and side handle
fi rmly and slide the switch to ON.
To
stop
the tool, release the switch. Make sure
the tool comes to a complete stop before laying
the tool down.
To
lock-on
the switch, slide the switch to ON and
press down on the front of the switch. To stop the
tool, press and release the switch. Make sure the
tool comes to a complete stop before laying it down.
General Operation
1. If you have just installed an accessory or are
beginning a period of work, test it by letting it spin
for one minute before applying it to the workpiece.
Out-of-balance or damaged accessories can mar
workpiece, damage the tool, and cause stress
that may cause accessory failure.
2. Use a clamp, vise or other practical means to hold
your work, freeing both hands to control the tool.
3.Hold tool securely with both hands.
4. Start the tool.
5. Allow accessory to come to full speed before
beginning work.
6. Control pressure and surface contact between
accessory and workpiece. Too much pressure
slows speed.
7. When fi nished, turn off the tool and make sure it
comes to a complete stop before laying it down.
WARNING
To reduce the risk of injury,
the operator should be instructed in the use,
care and protection of grinding wheels.
USING GRINDING WHEELS
Grinding Wheel Selection
Use grinding wheels, and accessories that are:
• correct size as written on tool’s nameplate.
• rated at or above the RPM listed on the tool’s
nameplate.
• correct accessory, wheel type and grit for the job.
Grinding is the cutting action of thousands of abra-
sive grains on the face of a grinding wheel. When
grinding metals such as steel and iron, choose an
aluminum oxide grinding wheel. Select a silicon
carbide grinding wheel for stone and concrete. Use
cotton reinforced wheels for non-ferrous metals.
Type 1 Reinforced 1/8" thick or less Cut-Off Wheels
are suited for small cut-off and shallow notching
operations only. Always handle wheels carefully to
avoid damage. Before installing any wheel, always
inspect it for cracks. If wheel is cracked, discard it
to prevent others from using it.
Care of Grinding & Cut-Off Wheels
Grinding/cut-off wheels should be protected from:
• wetness and extreme humidity
• any type of solvent
• extreme changes in temperature
• dropping and bumping
Grinding and cut-off wheels should be stored:
• in an organized way so wheels can be removed
without disturbing or damaging other wheels
• with their safety information
Grinding and cut-off wheels should NOT be dropped,
rolled or bumped.
Discard wheels that have been dropped, rolled,
bumped, subjected to extreme changes in tempera-
ture, or come into contact with solvents or wetness.
WARNING
A Type "1" guard must be
installed when using a cut-off wheel to provide
maximum protection for the operator if the
wheel should break.
WARNING
Using the face of a Cut-Off
Wheel (as in grinding) will cause the Wheel
to crack and break, resulting in serious per-
sonal injury.
USING CUT-OFF WHEELS
Type "1" Cut-Off Wheels are suited for small cut-off
and shallow notching operations only.
When using a cut-off wheel, hold the tool as shown,
using only the edge of the wheel.
Fig. 7
Wire Cup Brush
WARNING
Everyone in the area must
wear protective clothing and safety goggles
or face shields. Fatigued wires and residue
will fl y off the brush with considerable force,
causing potential for serious injury.
USING WIRE BRUSHES
Wire brushes are useful for removing rust, scale,
burrs, weld slag, etc.
Always install wire cup brushes according to the
accessory manufacterer’s instructions.
WARNING
Because the wires on wire
wheel brushes are directed towards the op-
erator, a guard must be used to protect the
operator when fatigued wires break.
Wire
Wheel
Brush
Fig. 8
Guard
When using a wire wheel brush, install guard ac-
cording to "Installing/Removing Accessories".
Fig. 6
WARNING
To reduce the risk of injury
when grinding, always use the proper guard.
Fig. 5
For best result use only this portion of disc
Hold at a
Hold at a
5° to 15°
5° to 15°
angle
angle
Grinding
When grinding, hold tool at a 5
o
to 15
o
angle, using
constant pressure for a uniform fi nish. Too great an
angle causes concentrated pressure on small areas
which may gouge or burn work surface.
