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Milwaukee 6149-59A Manual De Instrucciones página 25

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5. Place the selected wheel on the spindle and align
it with the flange.
6. Position the flange nut over the spindle according
to wheel thickness.
Flange nut
position for
1/8" thick or less wheels
Flange nut
position for
1/4" thick or more wheels
7. Press in the spindle lock button while turning the
flange nut clockwise. Tighten securely.
8. To remove wheel, unplug the tool and reverse the
procedure.
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
grit for finishing. Always begin with a coarse grit, us-
ing successively finer grits to obtain the desired finish.
•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. Unplug the tool. WARNING! Always unplug tool
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 backing pad onto spindle with flat side away
from gear case.
4. Place sanding disc on backing pad and secure
assembly to spindle with disc nut.
Disc nut
Sanding disc
Backing pad
Spindle
5. Press in the spindle lock button while turning flange
nut clockwise. Tighten securely.
6. To remove backing pad and sanding disc, unplug
the tool and reverse the
1/8"
1/4"
procedure..
OPERATION
To reduce the risk of injury, always
WARNING
wear safety goggles or glasses
with side shields. Never grind without proper
safety equipment.
Controlled Start
(6117-59 and 6117-59A only)
The controlled start feature reduces the torque reac-
tion "jerk" when its trigger is pulled.
Constant Speed Tachometer
(6117-59 and 6117-59A only)
The constant speed tachometer keeps the tool's
revolutions per minute at an almost constant speed
even under load. The tachometer also helps pre-
vent tool overheating. The tool switches itself off
automatically when the motor is overloaded. If this
happens, release the trigger to reset. Pull the trigger
and continue work.
Always hold the tool firmly with
WARNING
both hands using the handles
provided before and during grinding.
Slide Switch Operation
To start the tool, grasp the handle and side handle
firmly 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.
To vary the speed (6117-59 and 6117-59A only), set the
speed dial from "1" (2,800 RPM) to "6" (11,000 RPM).
General Operation
1. If you have just installed an accessory or are
beginning a period of work, test the wheel by let-
ting it spin for one minute before applying it to the
workpiece. WARNING! Never use a accessory
that has been dropped. Out-of-balance or dam-
aged 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. WARNING! Hold tool securely with both hands.
Start the tool.
NOTE: On some models, if the tool is plugged in
when the tool switch is in the "ON" position, the
tool will not run. Turn the tool off, then back on to
begin work.
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 finished, turn off the tool and make sure it
comes to a complete stop before laying it down.
25

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