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9 – English
OPERATION
REMOVING BITS
See Figure 8, page 12.
Lock the switch trigger by placing the direction of rotation
selector in the center position.
Open the chuck jaws.
NOTE: Rotate the chuck body in the direction of the arrow
marked UNLOCK to open the chuck jaws. Do not use a
wrench to tighten or loosen the chuck jaws.
Remove the drill bit.
DRILLING
See Figure 10, page 12.
A level is located on the top of the motor housing to help
keep the drill bit level during use.
Check the direction of rotation selector for the correct
setting(forwardorreverse).
Secure the material to be drilled in a vise or with clamps
tokeepitfromturningasthedrillbitrotates.
Hold the drill firmly and place the bit at the point to be
drilled.
Depress the switch trigger to start the drill.
Move the drill bit into the workpiece, applying only enough
pressure to keep the bit cutting. Do not force the drill or
apply side pressure to elongate a hole. Let the tool do
the work.
WARNING:
Be prepared for binding at bit breakthrough. When these
situations occur, drill has a tendency to grab and kick
opposite to the direction of rotation and could cause
loss of control when breaking through material. If not
prepared, this loss of control can result in possible
serious injury.
When drilling hard, smooth surfaces, use a center punch
to mark the desired hole location. This will prevent the
drill bit from slipping off-center as the hole is started.
When drilling metals, use a light oil on the drill bit to keep
it from overheating. The oil will prolong the life of the bit
and increase the drilling action.
If the bit jams in the workpiece or if the drill stalls, stop
the tool immediately. Remove the bit from the workpiece
and determine the reason for jamming.
NOTE: This drill has an electric brake. When the switch
trigger is released, the chuck stops turning. When the brake
is functioning properly, sparks will be visible through the
vent slots on the housing. This is normal and is the action
of the brake.
WOOD DRILLING
For maximum performance, use high speed steel bits for
wooddrilling.
Begin drilling at a very low speed to prevent the bit from
slipping off the starting point. Increase the speed as the
drillbitbitesintothematerial.
When drilling through holes, place a block of wood behind
the workpiece to prevent ragged or splintered edges on
thebacksideofthehole.
METAL DRILLING
For maximum performance, use high speed steel bits for
metal or steel drilling.
Begin drilling at a very low speed to prevent the bit from
slippingoffthestartingpoint.
Maintain a speed and pressure which allows cutting
without overheating the bit. Applying too much pressure
will:
•Overheatthedrill;
•Wearthebearings;
•Bendorburnbits;and
•Produceoff-centerorirregular-shapedholes.
When drilling large holes in metal, start with a small bit,
then finish with a larger bit. Also, lubricate the bit with oil
to improve drilling action and increase bit life.