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13
OPERATION
WARNING:
Before connecting the drill to a power supply source,
always check to be sure it is not in lock-on position
(depress and release the switch trigger). Failure to ensure
that it is not locked-on could result in accidental starting
of the drill resulting in possible serious injury. Do not lock
the switch trigger in applications where the drill may need
to be suddenly stopped.
DRILLING
See Figure 10.
Depress and release the switch trigger to be sure the drill is
in the OFF position before connecting it to power supply.
Check the direction of rotation selector for correct setting
(forward or reverse).
Secure the material to be drilled in a vise or with clamps
to keep it from turning as the drill bit rotates.
Plug the drill into power supply source.
Hold the drill firmly and place the bit at the point to be
drilled.
Depress the switch trigger to start the drill. Do not lock
the switch ON for jobs where the drill may need to be
stopped suddenly.
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 drill and
bit 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.
Fig. 10