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Speed Change - Miele DDF481 Instruction Manual

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LED indicator status
• The LED display goes off approximately one minute
after releasing the switch trigger to save the battery
power. To check the remaining battery capacity,
slightly pull the switch trigger.
• When the LED display lights up but the tool does not
work even with a recharged battery cartridge, cool
down the tool fully. If the condition does not change,
have the tool repaired by a Makita local service center.
Switch action
• Before installing the battery cartridge into the tool,
always check to see that the switch trigger actuates
properly and returns to the "OFF" position when
released. (Fig. 4)
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.
Lighting up the front lamp
• Do not look in the light or see the source of light
directly. (Fig. 5)
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 10 -15 seconds after releasing the
• When the tool is overheated, the tool stops
automatically and the lamp starts flashing. In this case,
release the switch trigger. The lamp turns off in one
• Use a dry cloth to wipe the dirt off the lens of lamp. Be
careful not to scratch the lens of lamp, or it may lower
the illumination.
Reversing switch action
• 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 not operating the tool, always set the reversing
switch lever to the neutral position. (Fig. 6)
This tool has a reversing switch to change the direction of
rotation. Depress the reversing switch lever from the A
Remaining battery capacity
About 50% or more
About 20% - 50%
About less than 20%
side for clockwise rotation or from the B side for
counterclockwise rotation.
When the reversing switch lever is in the neutral position,
the switch trigger cannot be pulled.

Speed change

• Always set the speed change lever fully to the correct
position. If you operate the tool with the speed change
lever positioned halfway between the "1" side and, "2"
side, the tool may be damaged.
• Do not use the speed change lever while the tool is
running. The tool may be damaged. (Fig. 7)
To change the speed, first switch off the tool and then
slide the speed change lever to the "2" side for high speed
or, "1" side for low speed. Be sure that the speed change
lever is set to the correct position before operation. Use
the right speed for your job.
Selecting the action mode
• Always set the ring correctly to your desired mode
mark. If you operate the tool with the ring positioned
halfway between the mode marks, the tool may be
damaged. (Fig. 8)
This tool has an action mode changing ring. For drilling,
turn the ring so that the arrow on the tool body points
toward the
mark on the ring. For screwing, turn the ring
so that the arrow points toward the
Adjusting the fastening torque
(screwdriver mode " ") (Fig. 9)
The fastening torque can be adjusted in 21 steps by
turning the adjusting ring so that its graduations are
aligned with the pointer on the tool body.
First, slide the action mode change lever to the position of
The fastening torque is minimum when the number 1 is
aligned with the pointer, and maximum when the marking
is aligned with the pointer. The clutch will slip at various
torque levels when set at the number 1 to 21. Before
actual operation, drive a trial screw into your material or a
piece of duplicate material to determine which torque level
is required for a particular application.
• The adjusting ring does not lock when the pointer is
positioned only halfway between the graduations.
• Always be sure that the tool is switched off and the
battery cartridge is removed before carrying out any
work on the tool.
Installing side grip (auxiliary handle)
(Fig. 10)
Always use the side grip to ensure operating safety.
Insert the side grip so that the groove on the arm fit in one
of the counter parts on the tool. Then tighten the grip by
turning clockwise.
mark on the ring.