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Drilling operation
Drilling in wood
When drilling in wood, 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.
To prevent the bit from slipping when starting
a
hole, make an indentation with
a
centerpunch 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.
Drilling in metal
CAUTION
:
*Pressing excessively on the tool will not speed up the drilling. In fact, this excessive pres-
sure will only serve to damage the tip of your bit, decrease the tool performance 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.
Overload protector
The overload protector automatically cuts out to break the circuit whenever heavy work
is
prolonged.
Wait
20-30
seconds before resuming operation.
MA1 NTENANCE
CAUTION:
Always be sure that the tool
is
switched off before attempting to perform inspection or
maintenance.
To maintain product SAFETY and RELIABILITY, repairs, maintenance or adjustment
should be performed by Makita Authorized or Factory Service Centers, always using
Makita replacement parts.
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