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5
To start the tool, simply pull the switch trigger. Tool speed
is increased by increasing pressure on the switch trigger.
Release the switch trigger to stop. For continuous opera-
tion, pull the switch trigger and then push in the lock but-
ton. To stop the tool from the locked position, pull the
switch trigger fully, then release it.
Reversing switch action
This tool has a reversing switch to change the direction of
rotation. Move the reversing switch lever to the posi-
tion (A side) for clockwise rotation or the position (B
side) for counterclockwise rotation.
CAUTION:
• Always check the direction of rotation before
operation.
• Use the reversing switch only after the tool comes
to a complete stop. Changing the direction of
rotation before the tool stops may damage the tool.
• When you operate the tool in counterclockwise
rotation, the switch trigger is pulled only halfway
and the tool runs at half speed. For
counterclockwise rotation, you cannot push in the
lock button.
Selecting the action mode
Rotation with hammering
For drilling in concrete, masonry, etc., depress the lock
button and rotate the action mode changing knob to the
symbol. Use a tungsten-carbide tipped bit.
Rotation only
For drilling in wood, metal or plastic materials, depress
the lock button and rotate the action mode changing
knob to the symbol. Use a twist drill bit or wood bit.
Hammering only
For chipping, scaling or demolition operations, depress
the lock button and rotate the action mode changing
knob to the symbol. Use a bull point, cold chisel, scal-
ing chisel, etc.
CAUTION:
• Do not rotate the action mode changing knob when
the tool is running under load. The tool will be
damaged.
• To avoid rapid wear on the mode change
mechanism, be sure that the action mode changing
knob is always positively located in one of the three
action mode positions.
Torque limiter
The torque limiter will actuate when a certain torque level
is reached. The motor will disengage from the output
shaft. When this happens, the bit will stop turning.
CAUTION:
• As soon as the torque limiter actuates, switch off
the tool immediately. This will help prevent
premature wear of the tool.
• Hole saws cannot be used with this tool. They tend
to pinch or catch easily in the hole. This will cause
the torque limiter to actuate too frequently.
1. Switch trigger
2. Reversing
switch lever
1. Rotation with
hammering
2. Lock button
3. Action mode
changing knob
1
2
A
B
001293
1
2
3
003573
1. Rotation only
1. Hammering only
1
003575
1
003574