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accessory. Corners, sharp edges or bouncing
have a tendency to snag the rotating accessory
and cause loss of control or kickback.
• Do not attach a saw chain woodcarving blade
or toothed saw blade. Such blades create fre-
quent kickback and loss of control.
Safety Warnings Specifi c for Grinding and Abra-
sive Cutting-Off Operations:
• Use only wheel types that are recommended
for your power tool and the specifi c guard de-
signed for the selected wheel. Wheels for which
the power tool was not designed cannot be ade-
quately guarded and are unsafe.
• The grinding surface of centre depressed
wheels must be mounted below the plane of
the guard lip. An improperly mounted wheel that
projects through the plane of the guard lip cannot
be adequately protected.
• The guard must be securely attached to the
power tool and positioned for maximum safety,
so the least amount of wheel is exposed to-
wards the operator. The guard helps to protect
operator from broken wheel fragments and
dental contact with wheel.
• Wheels must be used only for recommended
applications. For example: do not grind with
the side of cut-off wheel. Abrasive cut-off wheels
are intended for peripheral grinding, side forces ap-
plied to these wheels may cause them to shatter.
• Always use undamaged wheel fl anges that are
of correct size and shape for your selected
wheel. Proper wheel fl anges support the wheel
thus reducing the possibility of wheel breakage.
Flanges for cut-off wheels may be different from
grinding wheel fl anges.
• Do not use worn down wheels from larger pow-
er tools. Wheel intended for larger power tool is
not suitable for the higher speed of a smaller tool
and may burst.
Additional Safety Warnings Specifi c for Abra-
sive Cutting-Off Operations:
• Do not "jam" the cut-off wheel or apply exces-
sive pressure. Do not attempt to make an ex-
cessive depth of cut. Overstressing the wheel
increases the loading and susceptibility to twisting
or binding of the wheel in the cut and the possibility
of kickback or wheel breakage.
• Do not position your body in line with and be-
hind the rotating wheel. When the wheel, at the
point of operation, is moving away from your body,
the possible kickback may propel the spinning
wheel and the power tool directly at you.
• When wheel is binding or when interrupting a
cut for any reason, switch off the power tool
and hold the power tool motionless until the
wheel comes to a complete stop. Never attempt
to remove the cut-off wheel from the cut while
the wheel is in motion otherwise kickback may
occur. Investigate and take corrective action to
eliminate the cause of wheel binding.
• Do not restart the cutting operation in the work-
piece. Let the wheel reach full speed and care-
fully reenter the cut. The wheel may bind, walk
up or kickback if the power tool is restarted in the
workpiece.
• Support panels or any oversized workpiece to
minimize the risk of wheel pinching and kick-
back. Large workpieces tend to sag under their
own weight. Supports must be placed under the
workpiece near the line of cut and near the edge of
the workpiece on both sides of the wheel.
• Use extra caution when making a "pocket cut"
into existing walls or other blind areas. The pro-
truding wheel may cut gas or water pipes, electrical
wiring or objects that can cause kickback.
Safety Warnings Specifi c for Sanding Operations:
• Do not use excessively oversized sanding disc
paper. Follow manufacturers recommenda-
tions, when selecting sanding paper. Larger
sanding paper extending beyond the sanding pad
presents a laceration hazard and may cause snag-
ging, tearing of the disc or kickback.
Safety Warnings Specifi c for Wire Brushing Op-
erations:
• Be aware that wire bristles are thrown by the
brush even during ordinary operation. Do not
overstress the wires by applying excessive
acci-
load to the brush. The wire bristles can easily
penetrate light clothing and/or skin.
• If the use of a guard is recommended for wire
brushing, do not allow any interference of the
wire wheel or brush with the guard. Wire wheel
or brush may expand in diameter due to work load
and centrifugal forces.
Additional Safety Warnings
• Maintain labels and nameplates. These carry
important information. If unreadable or missing,
contact a MILWAUKEE service facility for a free
replacement.
• WARNING: Some dust created by power sanding,
sawing, grinding, drilling, and other construction
activities contains chemicals known to cause can-
cer, birth defects or other reproductive harm.
Some examples of these chemicals are:
• lead from lead-based paint
• crystalline silica from bricks and cement and
other masonry products, and
• arsenic and chromium from chemically-treated
lumber.
Your risk from these exposures varies, depending
on how often you do this type of work. To reduce
your exposure to these chemicals: work in a well
ventilated area, and work with approved safety
equipment, such as those dust masks that are spe-
cially designed to fi lter out microscopic particles.
SYMBOLOGY
Volts
Direct Current
Rated Revolutions per Minute
(RPM)
Underwriters Laboratories, Inc.
C
US
United States and Canada
4
SPECIFICATIONS
Spindle
Cat.
Volts
Rated
Thread
Wheel
No.
DC
RPM
Size
2783-20
18
8 500
5/8"-11
FUNCTIONAL DESCRIPTION
2
1
3
4
5
7
6
4. Paddle switch
1. Spindle lock
5. Side handle
2. Dust guard
6. Guard
3. Switch lock-off
7. Guard lock lever
ASSEMBLY
WARNING
Recharge only with the
charger specifi ed for the battery. For specifi c
charging instructions, read the operator's
manual supplied with your charger and battery.
Inserting/Removing the Battery
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
To insert the battery, slide the pack into the body of
the tool. Make sure it latches securely into place.
WARNING
Always remove battery
pack before changing or removing accesso-
ries. Only use accessories specifi cally recom-
mended for this tool. Others may be hazardous.
WARNING
To reduce the risk of injury,
wear safety goggles or glasses with side shields.
Installing/Removing/Cleaning the Dust Screen
Using the dust screen will increase the performance
and extend the life of the tool.
1. To attach the dust screen, snap the screen over
the tool's handle.
2. To remove the dust screen, insert a fl at screw-
driver into the notch at the top of the dust screen
and pry away from the tool.
3. To clean the dust screen, tap against a hard
surface, or blow clean with compressed air.
Installing Side Handle
The side handle may be installed on either side of
Max
the gear case. Position the side handle in the loca-
tion which offers best control and guard protection.
Size
To install, thread side handle into side handle socket
and tighten securely.
5"
WARNING
To reduce the risk of injury
when grinding:
• ALWAYS use the proper guard.
• ALWAYS properly install the guard.
• ALWAYS hold the tool fi rmly with both
hands using the handles provided before
and during grinding.
• NEVER use a wheel that has been dropped.
• NEVER bang grinding disc onto work.
• NEVER grind without proper safety
equipment.
Installing, Removing and Adjusting the Guard
This tool is shipped with a guard. The guard must
be used when using the tool as a grinder. The guard
may be removed when using tool as a sander.
1. To remove the guard, remove the battery pack
and remove any accessories from spindle.
2. Press in the lock lever and rotate the guard to
line up the tabs on the grinder with the slots in
the guard.
3. Press in the lock lever and lift the guard straight
up and away from the tool.
Fig. 1
Detent slots
Tab
slots
4. To install the guard, remove the battery pack
and remove any accessories from the spindle.
NOTE: Use only 4-1/2" grinding wheels with
4-1/2" guards (available as an accessory). Use
only 5" grinding wheels with 5" guards.
5. Line up the tabs on the grinder with the slots in
the guard.
6. Press in the lock lever and press the guard onto
the tool.
7. To adjust the guard, press in the lock lever and
rotate the guard to one of fi ve detent slots.
5
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