Electronic Function - Makita DHR183 Instruction Manual

Protections against other causes
Protection system is also designed for other causes that could
damage the tool and allows the tool to stop automatically.
Take all the following steps to clear the causes, when the tool
has been brought to a temporary halt or stop in operation.
Turn the tool off, and then turn it on again to restart.
1.
2. Charge the battery(ies) or replace it/them with
recharged battery(ies).
3. Let the tool and battery(ies) cool down.
If no improvement can be found by restoring protection
system, then contact your local Makita Service Center.
Switch action
Before installing the battery car-
WARNING:
tridge into the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released.
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.
► Fig.3: 1. Switch trigger
Lighting up the front lamp
Do not look in the light or see the
CAUTION:
source of light directly.
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
NOTE: Use a dry cloth to wipe the dirt off the lens of
the lamp. Be careful not to scratch the lens of lamp, or
it may lower the illumination.
NOTE: When the tool is overheated, the lamp flashes.
In this case, release the switch trigger and then cool
down the tool/battery before operating again.
NOTE: The front lamp cannot be used while the dust col-
lection system (optional accessory) is installed in the tool.
Reversing switch action
Always check the direction of
CAUTION:
rotation before operation.
Use the reversing switch only after
CAUTION:
the tool comes to a complete stop. Changing the
direction of rotation before the tool stops may dam-
age the tool.
When not operating the tool,
CAUTION:
always set the reversing switch lever to the neu-
tral position.
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
Selecting the action mode
Do not rotate the action mode chang-
NOTICE:
ing knob when the tool is running. The tool will be
damaged.
To avoid rapid wear on the mode
NOTICE:
change mechanism, be sure that the action mode
changing knob is always positively located in one
of the action mode positions.
Rotation with hammering
For drilling in concrete, masonry, etc., rotate the action mode
changing knob to the
► Fig.6: 1. Action mode changing knob
Rotation only
For drilling in wood, metal or plastic materials, rotate
the action mode changing knob to the
twist drill bit or wood drill bit.
► Fig.7: 1. Action mode changing knob

Electronic function

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.
ASSEMBLY
Always be sure that the tool is
CAUTION:
switched off and the battery cartridge is removed
before carrying out any work on the tool.
Side grip (auxiliary handle)
Always use the side grip to ensure
CAUTION:
safe operation.
After installing or adjusting the
CAUTION:
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.8: 1. Thumb screw
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.9: 1. Thumb screw
3.
Tighten the thumb screw to secure the grip. The
grip can be fixed at desired angle.
12 ENGLISH
symbol. Use a carbide-tipped drill bit.
symbol. Use a