Speed Change - Makita BDF444 Instruction Manual

Speed change

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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
•
running. The tool may be damaged.
Selecting action mode
1
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This tool has an action mode change lever. For drilling,
slide the action mode change lever to the left (
For screwing, slide the action mode change lever to the
right ( symbol).
NOTE:
When changing the position from "
•
may be a little difficult to slide the mode change
lever. At this time, switch on and run the tool for a
second at the "
slide to your desired position.
CAUTION:
Always slide the action mode change lever all the
•
way to your desired mode position. If you operate
the tool with the lever positioned halfway between
the mode symbols, the tool may be damaged.
1. Speed change
lever
1
1. Action mode
change lever
" to "
" position, then stop the tool and
Do not use the action mode change lever while the
•
tool is running. The tool may be damaged.
Adjusting the fastening torque
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The fastening torque can be adjusted in 16 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 16.
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
graduations.
ASSEMBLY
CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before carrying out
any work on the tool.
symbol).
Installing side grip (auxiliary handle)
1
2
", it
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Always use the side grip to ensure operating safety.
Insert the side grip so that the protrusions on the grip
base and steel band fit in between the grooves on the
tool barrel. Then tighten the grip by turning clockwise.
6
1
2
3
positioned only halfway
5
4
3
1. Adjusting ring
2. Graduation
3. Arrow
between the
1. Steel band
2. Grip base
3. Side grip
4. Protrusion
5. Groove