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Switch action
Tool speed
is
increased by increasing pres-
sure on the trigger. To
start
the tool,
simply pull the trigger.
Release
the
trigger to stop.
Speed
control
screw
,
Fig.
t
.A speed control screw
is
provided
so
that tool speed (RPM) can be changed
at
the fully-
pulled trigger position. Turn the speed control screw clockwise
(+)
for higher speed and
counterclockwise
(-)
for lower speed.
CAUTION:
Before plugging in the tool, always check to
see
that the trigger switch actuates properly
and returns to the
"OFF"
position when released.
Hammer drilling operation
.Position the drill bit
at
the location for
the hole, then pull the trigger.
Do
not force the tool. Light pressure
gives
best results. Keep the tool in posi-
tion and prevent
it
from slipping away
from the hole.
When holes become clogged
.Do
not apply more pressure when the
hole becomes clogged with chips or par-
ticles.
Instead, run the tool
at
idle, then
remove from the hole. By repeating this
several times, the hole will
be
cleaned out
completely.
Fig.
9
CAUTION:
When drilling in concrete,
it
is
quite possible that the drill bit could hit
a
reinforcing rod
or some other object that could cause
a
kickback. Although this tool
is
equipped with
the torque limiter, protect yourself by holding the tool firmly with both hands. (Be sure
the side grip
is
secured tightly before operation.)
8