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Action
mode
changing button
Action
mode
This tool employs action mode changing
buttons. For rotation only, press the
button on the
SX-
mark side fully.
For rotation with hammering action, press
the button on the
c
mark side fully.
CAUTION
:
Be sure
to
press the action mode changing button
as
far
as
it
will go, Failure to do
so
may
cause malfunction of the tool.
Operation
1
)
Hammer drilling operation
When drilling in concrete, granite, tile, etc., press the button on the
c
mark side
fully. Be sure to use
a
tungsten-carbide tipped bit. Do not apply more pressure when
the hole becomes clogged with chips or particles. Instead, run the tool
at
an idle, then
remove the bit partially from the hole. By repeating this several times, the hole will be
cleaned out.
2)
Drilling operation
When drilling in wood, metal or plastic materials, press the button on the mark
side fully. Generally, select higher speeds for smaller diameter bits and lower speeds
for larger diameter bits.
0
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 work-
piece.
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 excep-
tions are iron and brass which should be drilled dry.
Drilling in metal
7