Operation; Screwdriving Operation - Makita BDF441 Instruction Manual

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 positioned
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.
Installing side grip (auxiliary handle)
1 5
2
4
3
006724
Always use the side grip to ensure operating safety.
Insert the side grip so that the protrusions on the grip
base fit in between the grooves on the tool barrel. Then
tighten the grip by turning clockwise.
Installing or removing driver bit or drill bit
006726
Turn the sleeve counterclockwise to open the chuck
jaws. Place the bit in the chuck as far as it will go. Turn
the sleeve clockwise to tighten the chuck. To remove the
bit, turn the sleeve counterclockwise.
only halfway between
1. Steel band
2. Grip base
3. Side grip
4. Protrusion
5. Groove
1. Sleeve
1
Installing bit holder
1
2
006725
Fit the bit holder into the protrusion at the tool foot on
the
eithher right or left side and secure it with a screw.
When not using the driver bit, keep it in the bit holders.
Bits 45 mm long can be kept there.
Hook
006727
The hook is convenient for temporarily hanging the tool.
This can be installed on either side of the tool.
To install the hook, insert it into a groove in the tool
housing on either side and then secure it with a screw.
To remove, loosen the screw and then take it out.

OPERATION

Screwdriving operation

006728
First, slide the action mode change lever to the position
of symbol and select the fastening torque.
Place the point of the driver bit in the screw head and
apply pressure to the tool. Start the tool slowly and then
increase the speed gradually. Release the switch trigger
as soon as the clutch cuts in.
7
1. Bit holder
2. Bit
1. Screw
2. Hook
3. Groove
1
3
2