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NOTE:
*Make sure that the driver bit is inserted straight in the screw head, or the screw and/or
bit may be damaged.
Nominal diameter
of
wood screw
lmm)
*When driving wood screws, predrill pilot
holes to make driving easier and to pre-
vent splitting of the workpiece. See the
chart.
Recommended size
of
pilot
hole
Imm)
3
5
19/64")
3.8 15/32")
I
2 2
-
2
5
13/32"
-
3/32")
1
2
5
-
2.8 (3132''
-
7/64',)
*If
the tool is operated continuously until the battery cartridge has discharged, allow the
tool to rest for
15
minutes before proceeding with
a
fresh battery.
Drilling operation
First, turn the adjusting ring
so
that the pointer
on
the tool body points to the
fi
marking.
Then proceed as follows.
*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
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.
*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 holddown device.
*If the tool is operated continuously until the battery cartridge has discharged, allow the
tool to rest for
15
minutes before proceeding with a fresh battery.
12