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Speed
Torque
Applicable
operation
Position of
speed
change lever
1
Low
High
Heavy load-
ing operation
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 coun-
terclockwise rotation.
When the reversing switch lever is in the neutral posi-
tion, the switch trigger cannot be pulled.
2
High
Low
Light loading
operation
Speed change
► Fig.6: 1. Speed change lever
To change the speed, switch off the tool first. Select
the "2" side for high speed or "1" for low speed but high
torque. Be sure that the speed change lever is set to the
correct position before operation.
If the tool speed is coming down extremely during the
operation with "2", slide the lever to the "1" and restart
the operation.
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.
CAUTION: Do not use the speed change lever
while the tool is running. The tool may be damaged.
Adjusting the fastening torque
► Fig.7: 1. Adjusting ring 2. Graduation 3. Arrow
The fastening torque can be adjusted in 21 steps by turning the adjusting ring. Align the graduations with the arrow
on the tool body. You can get the minimum fastening torque at 1 and maximum torque at
marking.
The clutch will slip at various torque levels when set at the number 1 to 20. The clutch does not work at
the
marking.
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 following shows the rough guide of the relationship between the screw size and graduation.
Graduation
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Machine screw
M4
M5
M6
Wood
screw
Soft wood
(e.g. pine)
–
ɸ3.5 x 22
ɸ4.1x 38
–
Hard wood
(e.g. lauan)
–
ɸ3.5 x 22
ɸ4.1x 38
–
For tool with shallow driver bit hole
ASSEMBLY
A=12mm
B=9mm
Use only these type of driver
bit. Follow the procedure
1. (Note) Bit-piece is not
necessary.
CAUTION: Always be sure that the tool is
switched off and the battery cartridge is removed
before carrying out any work on the tool.
For tool with deep driver bit hole
A=17mm
B=14mm
To install these types of driver
bits, follow the procedure 1.
Installing or removing driver bit/
drill bit
For Model DF332D (optional accessory)
► Fig.8: 1. Sleeve 2. Close 3. Open
A=12mm
B=9mm
To install these types of driver
bits, follow the procedure 2.
(Note) Bit-piece is necessary
for installing the bit.
Turn the sleeve counterclockwise to open the chuck
jaws. Place the driver bit/drill bit in the chuck as far
as it will go. Turn the sleeve clockwise to tighten the
chuck. To remove the driver bit/drill bit, turn the sleeve
counterclockwise.
1.
To install the driver bit, pull the sleeve in the direc-
tion of the arrow and insert the driver bit into the
sleeve as far as it will go.
Then release the sleeve to secure the driver bit.
► Fig.10: 1. Driver bit 2. Sleeve
Installing or removing driver bit/
socket bit
For Model DF032D (optional accessory)
► Fig.9
2.
To install the driver bit, pull the sleeve in the direc-
tion of the arrow and insert the bit-piece and driver
bit into the sleeve as far as it will go. The bit-piece
should be inserted into the sleeve with its pointed
end facing in. Then release the sleeve to secure
the driver bit.
► Fig.11: 1. Driver bit 2. Bit-piece 3. Sleeve
Use only driver bit/socket bit that has inserting portion shown
in the figure. Do not use any other driver bit/socket bit.
8
ENGLISH