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Switch action (Fig. 5)
CAUTION:
Before plugging in the tool, always check to see the
switch trigger actuates properly and returns to the "OFF"
position when released .
To start the tool, simply pull the trigger. Tool speed is
increased by increasing pressure on the trigger. Release
the trigger to stop. For continuous operation, pull the trig-
ger and then push in the lock button. To stop the tool from
the locked position, pull the trigger fully, then release it. A
speed control screw is provided so that maximum tool
speed can be limited (variable). Turn the speed control
screw clockwise for higher speed, and counterclockwise
for lower speed.
Reversing switch action (Fig. 6)
CAUTION:
• Always check the direction of rotation before drilling.
• Use the reversing switch only after the tool comes to a
complete stop. Changing the direction of rotation
before the tool stop may damage the tool.
This tool has a reversing switch to change the direction of
rotation. Move the reversing switch lever to the "FWD"
position for clockwise rotation or the "REV" position for
counterclockwise rotation.
Speed change (Fig. 7)
To change the tool speed, turn the speed change knob
so that the reference arrow on the tool body points to the
desired speed indication.
CAUTION:
Turn the speed change knob only after the tool comes to
a complete stop.
Drilling operation
• Drilling in wood
When drilling in wood, the best results are obtained
with wood drills equipped with a guide screw. The
guide screw makes drilling easier by pulling the bit into
the workpiece.
• Drilling in metal
To prevent the bit from slipping when starting a hole,
make an indentation with a center-punch and hammer
at the point to be drilled. Place the point of the bit in the
indentation and start drilling. Use a cutting lubricant
when drilling metals. The exceptions are iron and brass
which should be drilled dry.
CAUTION:
• Pressing excessively on the tool will not speed up the
drilling. In fact, this excessive pressure will only serve
to damage the tip of your bit, decrease the tool perfor-
mance and shorten the service life of the tool.
• There is a tremendous force exerted on the tool/bit at
the time of hole breakthrough. Hold the tool firmly and
exert care when the bit begins to break through the
workpiece.
• A stuck bit can be removed simply by setting the
reversing switch to reverse rotation in order to back out.
However, the tool may back out abruptly if you do not
hold it firmly.
• Always secure small workpieces in a vise or similar
hold-down device.
MAINTENANCE
CAUTION:
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
To maintain product safety and reliability, repairs, mainte-
nance or adjustment should be carried out by a Makita
Authorized Service Center.
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