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Adjusting the fastening torque
CAUTION:
Make sure that the dial is clean. Depending on the work environment, foreign objects such as iron
scraps or chips may adhere to the dial and cause the personal injury.
► Fig.8: 1. Dial 2. Indicator 3. Button 4. Green light
The fastening torque can be adjusted in 41 levels in low speed and 21 levels in high speed.
1.
Align
marking with the arrow on the tool body by turning the action mode changing ring.
2.
Pull the switch trigger and release it as soon as the indicator turns on.
3.
Push the button, and the green light blinks.
4.
Turn the dial, and adjust the torque level while the green light is blinking.
5.
Push the button to set the value.
NOTE: After pushing the button in step 5, the green light turns off. If you adjust the torque level again, start over from step 3.
NOTE: If you leave the green light blinking for a while, it stops blinking and the value displayed in the indicator will be set.
NOTE: You can set the fastening torque level in two patterns; high speed and low speed.
When the lever displays "1", the torque level in low speed can be set. When the lever displays "2", the torque level
in high speed can be set.
When you change the speed with the speed change lever, the indicator blinks three times. After that, drive a trial
screw to check the speed and torque level.
NOTE: If you pull the switch trigger while the green light is blinking, the green light turns off and you will not be able to adjust
the torque level. To adjust the torque level again, release the switch trigger and turn the dial while the green light is blinking.
NOTE: If you turn the action mode changing ring while the green light is blinking, the green light turns off and you
will not be able to adjust the torque level. To adjust the torque level again, start over from step 1.
To obtain suitable torque level, perform a test drive with a workpiece of the same material that you are going to screw.
The following shows the rough guide of the relationship between the screw size and graduation.
Low speed
Torque level
1
Machine screw
M4
Wood
Soft wood
ø3.5 x 22
screw
(e.g. pine)
Hard
–
wood
(e.g. lauan)
Torque level
22
Machine screw
Wood
Soft wood
screw
(e.g. pine)
Hard
wood
(e.g. lauan)
High speed
Torque level
1
Machine screw
M4
Wood
Soft wood
ø3.5 x 22
screw
(e.g. pine)
Hard
–
wood
(e.g. lauan)
2
3
4
5
6
M5
M6
ø4.1 x 38
–
ø3.5 x 22
ø4.1 x 38
23
24
25
26
27
–
–
2
3
4
5
6
M5
M6
ø4.1 x 38
–
ø3.5 x 22
ø4.1 x 38
7
8
9
10
11
12
ø5.1 x 50
–
–
ø5.1 x 50
28
29
30
31
32
–
ø9 x 75
–
ø9 x 75
7
8
9
10
11
12
ø5.1 x 50
–
–
ø5.1 x 50
8 ENGLISH
13
14
15
16
17
–
ø6.2 x 63
–
ø6.2 x 63
33
34
35
36
37
ø10 x 90
–
13
14
15
16
17
–
ø6.2 x 63
–
ø6.2 x 63
18
19
20
21
–
–
38
39
40
41
–
ø10 x 90
–
18
19
20
21
–
–
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