Milwaukee 0514-20 Manual Del Operador página 6

Martillo-perforador de empuje y taladro-atornilladores de 14,4v 13mm (1/2")
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Using Control Switch (Fig. 6)
The control switch may be set to three positions: forward, reverse and
lock. Due to a lockout mechanism, the control switch can only be ad-
justed when the ON/OFF switch is not depressed. Always allow the
motor to come to a complete stop before using the control switch.
Fig. 6
Forward (clockwise) rotation, push the control switch to the left
position (1).
Check the direction of rotation before use.
Reverse (counterclockwise) rotation, push the control switch to the right
position (2).
Check direction of rotation before use.
Locking the trigger, push the control switch to center position (3). The
trigger will not work while the control switch is in the center locked
position. Always lock the trigger or remove the battery pack before
performing maintenance, changing accessories, storing the tool and
any time the tool is not in use.
Starting, Stopping & Controlling Speed
1.
To start the tool, pull the trigger.
2.
To stop the tool, release the trigger and an electric brake stops the
tool instantly.
All models feature variable speed control. To vary the speed, simply
increase or decrease pressure on the trigger. The further the trigger is
pulled, the greater the speed.
Drilling
Set the clutch adjusting ring to the drill position (Cat. No. 0514-20 only).
Place the bit on the work surface and apply firm pressure before start-
ing. Too much pressure will slow the bit and reduce drilling efficiency.
Too little pressure will cause the bit to slide over the work area and dull
the point of the bit.
If the tool begins to stall, reduce pressure slightly to allow the bit to
regain speed. If the bit binds, reverse the motor to free the bit from the
workpiece.
page 6
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APPLICATIONS
To reduce the risk of electric shock,
check work area for hidden pipes and
wires before drilling or driving screws.
Drilling in Wood, Composition Materials and Plastic
When drilling in wood, composition materials and plastic, start the drill
slowly, gradually increasing speed as you drill. When drilling into wood,
use wood augers or twist drill bits. Always use sharp bits. When using
twist drill bits, pull the bit out of the hole frequently to clear chips from the
bit flutes. To reduce the chance of splintering, back work with a piece of
scrap wood. Select low speeds for plastics with a low melting point.
Drilling in Metal
When drilling in metal, use high speed steel twist drills or hole saws. Use
a center punch to start the hole. Lubricate drill bits with cutting oil when
drilling in iron or steel. Use a coolant when drilling in nonferrous metals
such as copper, brass or aluminum. Back the material to prevent binding
and distortion on breakthrough.
Drilling in Masonry
When drilling in masonry, select the hammer-drill operating mode
(Cat. No. 0514-20 only). Use high speed carbide-tipped bits. Drilling soft
masonry materials such as cinder block requires little pressure. Hard
materials like concrete require more pressure. A smooth, even flow of
dust indicates the proper drilling rate. Do not let the bit spin in the hole
without cutting. Do not use water to settle dust or to cool bit. Both actions
will damage the carbide.
Driving Screws and Nut Running
Drill a pilot hole when driving screws into thick or hard materials. Set the
clutch adjusting ring to the proper position and set the speed to low. Use
the proper style and size screwdriver bit for the type of screw you are
using.
With the screwdriver bit in the screw, place the tip of the screw on the
workpiece and apply firm pressure before pulling the trigger. Screws
can be removed by reversing the motor.
Overloading
Continuous overloading may cause permanent damage to tool or battery
pack.
WARNING!

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