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21
Table 2
7. Confirm the clutch dial position (see Fig. 20).
The tightening torque of this unit can be adjusted
according to the clutch dial position, at which the
clutch dial is set.
(1) When using this unit as a screwdriver, line up the
one of the numbers “1, 3, 5 ... 22” on the clutch dial,
or the black dot, with the triangle mark on the outer
body.
(2) When using this unit as a drill, line up the clutch dial
drill mark “
” with the triangle mark on the outer
body.
CAUTION:
ⅷ The clutch dial cannot be set between the numbers
“1, 3, 5 ... 22” or the black dot.
ⅷ Do not use with the clutch dial set at the line
between the number “22” and the drill mark “ ”.
Doing so may cause damage (See Fig. 21).
8. Tightening torque adjustment.
(1) Tightening torque
Tightening torque should correspond in its intensity to the screw diameter. When too
strong power is used, the screw head may be broken or be injured.
Be sure to adjust the clutch dial position according to the screw diameter.
(2) Tightening torque indication (See Fig. 20)
The tightening torque differs depending on the type of screw and the material being
tightened.
The unit indicates the tightening torque with the numbers “1, 3, 5 ... 22” on the clutch
dial, and a dot. The tightening torque at position “1” is the weakest and the torque is
strongest at the highest number.
(3) Adjusting the tightening torque (See Fig. 20)
Rotate the clutch dial and line up the numbers “1, 3, 5, ... 22” on the clutch dial, or the
dot, with the triangle mark on the outer body. Adjust the clutch dial in the weak or the
strong torque direction according to the torque you need.
Model DS12DVF3 / DS14DVF3 DS18DVF3
Metal Drilling
Wood Drilling
Wood Screw
Tightening
When the diameter of the hole
exceeds 1/4" (6.5 mm).
When the diameter of the hole
exceeds 15/32" (12 mm).
When the size of the wood
screw exceeds 5/32" (3.8 mm)
diameter × 1-31/32" (50 mm).
When the diameter of the hole
exceeds 5/16" (8 mm).
When the diameter of the hole
exceeds 15/16" (24 mm).
When the size of the wood
screw exceeds 3/16" (4.8 mm)
diameter × 1-9/16" (40 mm).
Clutch dial
Triangle mark
Fig. 16
Weak
mark
Line
mark
Fig. 17
Strong
Triangle mark