Makita DDF448 Instruction Manual page 7

Switch action
Fig.3
CAUTION:
Before inserting the battery cartridge into the tool,
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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.
Lighting up the front lamp
Fig.4
CAUTION:
Do not look in the light or see the source of light
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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 10 -15 seconds after releasing the
trigger.
NOTE:
Use a dry cloth to wipe the dirt off the lens of lamp.
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Be careful not to scratch the lens of lamp, or it may
lower the illumination.
Reversing switch action
Fig.5
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
counterclockwise rotation.
When the reversing switch lever is in the neutral position,
the switch trigger cannot be pulled.
CAUTION:
Always check the direction of rotation before
•
operation.
Use the reversing switch only after the tool comes
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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
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reversing switch lever to the neutral position.
Speed change
Fig.6
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.
CAUTION:
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
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running. The tool may be damaged.
Selecting the action mode
Fig.7
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
ring.
CAUTION:
Always set the ring correctly to your desired mode
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mark. If you operate the tool with the ring positioned
halfway between the mode marks, the tool may be
damaged.
Adjusting the fastening torque
(screwdriver mode " ")
Fig.8
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 symbol.
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.
NOTE:
The adjusting ring does not lock when the pointer is
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positioned only halfway between the graduations.
7
mark on the