Operator's Manual

7
Sanding Disc Selection
Use sanding discs and accessories that are:
 correct size as written on tool’s nameplate.
 rated at or above the RPM listed on the tool’s name-
plate.
 correct accessory, wheel type and grit for the job.
Select the correct type of sanding disc for your job.
Generally, use 24 or 36 grit for heavy stock removal;
50, 60, or 80 grit for medium stock removal and 120
-
Aluminum Oxide: For fast cutting, general purpose
discs for most metal jobs. Best for cold-rolled steel,
stainless steel or metals requiring tough, fast cutting,
long lasting abrasives.
Aluminum Zirconia Bi-Cut: Unique grit pattern is
arranged in clusters for faster stock removal and
cleaning. Ideal for removing paint from cars, boats,
etc. without clogging.
Ceramic: Lasts up to 3 times longer than Aluminum
Oxide Discs. For general metal working. Ideal for
tough jobs.
Installing Backing Pad and Sanding Discs
1. Remove the battery pack. WARNING! Always
remove battery pack before changing or removing
accessories.
2. Wipe the accessories, disc nut and spindle to
remove dust and debris. Inspect the parts for dam-
age. Replace if needed. Use only MILWAUKEE
®
mounting hardware designed for your tool.
3. Slip
from gear case.
4. Place sanding disc on backing pad and secure
assembly to spindle with disc nut.
Spindle
Backing pad
Disc nut
Sanding disc
5. Pre
nut clockwise. Tighten securely.
6. To remove backing pad and sanding disc, remove
the battery pack and reverse the procedure.
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 gear case.
2. To remove -
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 sur-
face, or blow clean with compressed air.
OPERATION
WARNING
To reduce the risk of injury, always
wear safety goggles or glasses
with side shields. Never grind without proper
safety equipment.
Controlled Start
The controlled start feature reduces the torque reac-
tion "jerk" when the dead man switch is pulled.
WARNING
both hands using the handles
provided before and during grinding.
General Operation
1. If you have just installed an accessory or are be-
ginning a period of work, test the wheel by letting it
spin for one minute before applying it to the work-
piece. WARNING! Never use an accessory that has
been dropped. Out-of-balance or damaged acces-
sories can mar workpiece, damage the tool, and
cause stress that may cause accessory failure.
2. Use a clamp, vice or other practical means to hold
your work, freeing both hands to control the tool.
3. WARNING! Hold tool securely with both hands.
To start the tool, grasp the handle and side
squeeze the switch.
4. Allow accessory to come to full speed before
beginning work.
5. Control pressure and surface contact between ac-
cessory and workpiece. WARNING! Never bang
accessory onto work.Too much pressure causes
accessory failure or slows speed.
6. When stop the tool by releasing the
switch. Make sure the tool comes to a complete
stop before laying down the tool.
Using Grinding Wheels
WARNING
The guard type must match the
wheel type to provide maximum
protection for the operator if the wheel should break.
When grinding, hold tool at a 5
o
to 15
o
angle, using
angle causes concentrated pressure on small areas
which may gouge or burn work surface.
Hold at a 5° to 15° angle
For best result use only this portion of disc
Rubber pad