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Milwaukee 2939-20 Manual Del Operador página 6

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Care of Accessories
Points, cones, plugs, grinding wheels and cut-off
wheels should be protected from:
• wetness and extreme humidity
• any type of solvent
• extreme changes in temperature
• dropping and bumping
Points, cones, plugs, grinding wheels and cut-off
wheels should be stored:
• in an organized way so points, cones, plugs or
wheels can be removed without disturbing or dam-
aging other points, cones, plugs or wheels
• with their safety information
Points, cones, plugs, grinding wheels and cut-off
wheels should NOT be dropped, rolled or bumped.
Discard points, cones, plugs, or wheels that have
been dropped, rolled, bumped, subjected to extreme
changes in temperature, or come into contact with
solvents or wetness.
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 flat 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 sur-
face, or blow clean with compressed air.
OPERATION
To reduce the risk of injury, always
WARNING
remove battery pack before attach-
ing or removing accessories or making adjust-
ments. Only use accessories specifically recom-
mended for this tool. Others may be hazardous.
Always wear proper eye protection marked to
comply with ANSI Z87.1.
If the grinder begins vibrating, immediately stop
the motor and check to see if the accessory
is dull. Dull accessories will cause the tool to
vibrate and could force the collet to fly off the
tool. Always replace or sharpen dull accessories.
Accessories are designed for specific uses. Only
use points, cones, plugs, grinding wheels and
cut-off wheels for applications for which they
were designed. Follow manufacturer's care and
use instructions.
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.
WARNING! Never use an accessory that has been
dropped. 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. WARNING! Hold tool securely with both hands.
Start the tool.
4. To start the tool, grasp the front and rear grips
firmly and slide the switch to ON.
5. Allow accessory to come to full speed before
beginning work.
6. Control pressure and surface contact between ac-
cessory and workpiece. WARNING! Never bang
accessories onto work.Too much pressure causes
accessory failure or slows speed.
7. To stop the tool, release the switch. Make sure the tool
comes to a complete stop before laying the tool down.
8. 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 down
the tool.
Electric Brake
The electric brake engages when the switch is re-
leased, causing the wheel to stop within seconds.
There may be a delay between the time the switch is
released and when the brake engages. Occasionally
the brake may miss completely. If the brake misses
frequently, have the tool serviced by an authorized
MILWAUKEE service facility. Make sure the tool
comes to a complete stop before laying it down.
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 down the tool.
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 down the tool.
MAINTENANCE
To reduce the risk of injury, always
WARNING
unplug the charger and remove the
battery pack from the charger or tool before
performing any maintenance. Never disassemble
the tool, battery pack or charger. Contact a
MILWAUKEE service facility for ALL repairs.
Maintaining Tool
Keep your tool, battery pack and charger in good
repair by adopting a regular maintenance program.
Inspect your tool for issues such as undue noise,
misalignment or binding of moving parts, breakage of
parts, or any other condition that may affect the tool
operation. Return the tool, battery pack, and charger
to a MILWAUKEE service facility for repair. After six
months to one year, depending on use, return the
tool, battery pack and charger to a MILWAUKEE
service facility for inspection.
If the tool does not start or operate at full power with
a fully charged battery pack, clean the contacts on
the battery pack. If the tool still does not work prop-
erly, return the tool, charger and battery pack, to a
MILWAUKEE service facility for repairs.
To reduce the risk of personal in-
WARNING
jury and damage, never immerse
your tool, battery pack or charger in liquid or
allow a liquid to flow inside them.
Clean dust and debris from any vents. Keep tool
clean, dry and free of oil or grease. Use only mild
soap and a damp cloth to clean, since certain clean-
ing agents and solvents are harmful to plastics and
other insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
gents containing ammonia. Never use flammable or
combustible solvents around tools.
6
Cleaning

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