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Hammering only
Lighting up the front lamp
CAUTION: Do not look in the light or see the
source of light directly.
For chipping, scaling or demolition operations, rotate
the action mode changing knob to the
symbol. Use a
bull point, cold chisel, scaling chisel, etc.
► Fig.8: 1. Hammering only
Torque limiter
Pull the switch trigger to light up the lamp. The lamp
keeps on lighting while the switch trigger is being pulled.
The lamp goes out approximately 10 seconds after
releasing the switch trigger.
► Fig.4: 1. Lamp
NOTICE: As soon as the torque limiter actuates,
switch off the tool immediately. This will help pre-
vent premature wear of the tool.
NOTE: Use a dry cloth to wipe the dirt off the lens
of the lamp. Be careful not to scratch the lens of the
lamp, or it may lower the illumination.
NOTICE: Drill bits such as hole saw, which tend
to pinch or catch easily in the hole, are not appro-
priate for this tool. This is because they will cause
the torque limiter to actuate too frequently.
NOTE: The front lamp cannot be used while the dust
collection system (optional accessory) is installed in
the tool.
Reversing switch action
The torque limiter will actuate when a certain torque
level is reached. The motor will disengage from the
output shaft. When this happens, the drill bit will stop
turning.
Electronic function
CAUTION: Always check the direction of
rotation before operation.
CAUTION: Use the reversing switch only after
the tool comes to a complete stop. Changing the
direction of rotation before the tool stops may dam-
age the tool.
CAUTION: When not operating the tool,
always set the reversing switch lever to the neu-
tral position.
The tool is equipped with the electronic functions for
easy operation.
•
Electric brake
This tool is equipped with an electric brake. If the
tool consistently fails to quickly cease to function
after the switch trigger is released, have the tool
serviced at a Makita service center.
•
Constant speed control
The speed control function provides the constant
rotation speed regardless of load conditions.
This tool has a reversing switch to change the direction
of rotation. Depress the reversing switch lever from the
A side for clockwise rotation or from the B side for coun-
terclockwise rotation.
When the reversing switch lever is in the neutral posi-
tion, the switch trigger cannot be pulled.
► Fig.5: 1. Reversing switch lever
ASSEMBLY
Selecting the action mode
CAUTION: Always be sure that the tool is
switched off and the battery cartridge is removed
before carrying out any work on the tool.
NOTICE: Do not rotate the action mode chang-
ing knob when the tool is running. The tool will be
damaged.
Side grip (auxiliary handle)
CAUTION: Always use the side grip to ensure
safe operation.
NOTICE: 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.
Rotation with hammering
CAUTION: After installing or adjusting the
side grip, make sure that the side grip is firmly
secured with the protrusions on the tool are fully
engaged by the grooves on the side grip.
To install the side grip, follow the steps below.
1.
Loosen the thumb screw on the side grip.
► Fig.9: 1. Thumb screw
For drilling in concrete, masonry, etc., rotate the action
mode changing knob to the
symbol. Use a tungsten
carbide tipped bit.
► Fig.6: 1. Rotation with hammering 2. Action mode
changing knob
Rotation only
2.
Install the side grip so that the grooves on the
grip fit in the protrusions on the tool while pressing the
thumb screw.
► Fig.10: 1. Thumb screw
3.
Tighten the thumb screw to secure the grip. The
grip can be fixed at desired angle.
For drilling in wood, metal or plastic materials, rotate
the action mode changing knob to the
symbol. Use a
twist drill bit or wood drill bit.
► Fig.7: 1. Rotation only
To remove the side grip, loosen the thumb screw on the
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