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Automatic speed change function
This tool has "high speed mode" and "high torque
mode".
The tool automatically changes the operation mode
depending on the work load. When the work load is low,
the tool will run in the "high speed mode" for quicker
operation. When the work load is high, the tool will run
in the "high torque mode" for powerful operation.
1
Fig.10
► 1 . Mode indicator
The mode indicator lights up in green when the tool is
running in "high torque mode".
If the tool is operated with excessive load, the mode
indicator will blink in green. The mode indicator stops
blinking and then lights up or turns off if you reduce the
load on the tool.
Mode indicator status
Off
On
Operation
mode
Blinking
High speed
mode
High torque
mode
Overload
alert
10 ENGLISH
Speed change
NOTICE:
Use the speed change knob only after
the tool comes to a complete stop. Changing the
tool speed before the tool stops may damage the tool.
NOTICE:
Always set the speed change knob
carefully into the correct position. If you operate
the tool with the speed change knob positioned half-
way between the position 1 and the position 2, the
tool may be damaged.
Two speed ranges can be preselected with the speed
change knob.
To change the speed, depress the lock button and turn
the speed change knob so that the pointer points to the
position 1 for low speed or the position 2 for high speed.
3
Fig.11
► 1 . Lock button 2. Pointer 3. Speed change knob
Torque limiter
The torque limiter will actuate when a certain torque
level is reached at the low speed setting (position 1).
The motor will disengage from the output shaft. When
this happens, the tool bit will stop turning.
To restart the tool, lift the tool bit out of the hole and
then pull the switch trigger again.
Accidental restart preventive function
A lockout function for switch trigger to prevent unin-
tended operation. The tool will not start if you press the
main power button while pulling the switch trigger.
To restart the tool, release the switch trigger and then
pull it again.
Electronic function
The tool is equipped with the following electronic func-
tions 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.
Soft start feature
This function allows the smooth start-up of the tool by
limiting the start-up torque.
1
2
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