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11
OPERATION
ADJUSTING THE SPEED
See Figure 7.
The hammer drill has a two-speed knob that provides a
high speed of approximately 3,000 RPM and a low
speed of approximately 1,000 RPM (stated speeds are
with the trigger switch in the “Full-on” position).
Follow these directions to adjust the speed.
■ Unplug the hammer drill.
WARNING:
Failure to unplug the tool could result in accidental
starting causing possible serious injury.
■
For high speed
: Rotate the two-speed knob clock-
wise, aligning the indicator mark with the “2.”
■
For low speed
: Rotate the two-speed knob counter-
clockwise, aligning the indicator mark with the “1.”
If you have difficulty changing from one gear range to the
other, turn the chuck by hand until the gears engage.
CAUTION:
Never change gears while the tool is running. Failure
to obey this caution could result in serious damage
to the drill.
CHANGING THE ROTATION
See Figure 8.
The direction of the chuck is controlled by the lever
located above the switch trigger.
Follow these directions to change the rotation.
■ Unplug the hammer drill.
WARNING:
Failure to unplug the tool could result in accidental
starting causing possible serious injury.
■
For forward rotation
: Move the lever to the left.
■
For reverse rotation
: Move the lever to the right.
NOTE: The hammer drill will not run unless the lever
is pushed fully to the left or right.
CAUTION:
The hammer drill is not designed for reverse ham-
mering. Failure to obey this caution may result in
property damage.
Fig. 7
Fig. 8
Fig. 9
2
1
COUNTERCLOCKWISE
TO LOW SPEED
REVERSE
ROTATION
DEPRESS SWITCH TRIGGER TO
TURN HAMMER DRILL ON
CLOCKWISE TO
HIGH SPEED
FORWARD
ROTATION