Hitachi DS 12DVB2 Instructions De Sécurité Et Mode D'emploi page 20

English
Operate the shift knob to change the rotational speed. Move the shift knob in the direction
of the arrow. (See Fig. 13 and 14)
When the shift knob is set to "LOW", the drill rotates at a low speed. When set to
"HIGH", the drill rotates at a high speed.
CAUTION:
G
When changing the rotational speed with the shift knob, confirm that the switch is off.
Changing the speed while the motor is rotating will damage the gears.
G
When a large force is required for operation (operations indicated in the following
chart) set the shift knob to "LOW". If "HIGH" is set and the unit is used, it may cause
the motor to burn out or malfunction prematurely.
Model
Metal Drilling
Wood Drilling
Wood Screw
Tightening
7. Confirm the cap position (See Fig. 15)
Triangle
Cap mark
Fig. 15
Drill mark
Triangle mark
White
line
Fig. 16
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 cap position according to the screw diameter.
20
DS12DVB2/DS14DVB2
When the diameter of the hole
exceeds 1/4" (6.5 mm).
When the diameter of the hole
exceeds 11/16" (18 mm).
When the size of the wood screw exceeds 3/16" (4.8 mm)
diameter × 1-9/16" (40 mm).
The tightening torque of this unit can be adjusted
according to the cap position, at which the cap is set.
(1) When using this unit as a screwdriver, line up the one
Drill
of the numbers "1, 3, 5 ... 22" on the cap, or the white
mark
dot, with the triangle mark on the outer body.
(2) When using this unit as a drill, line up the cap drill
mark " " with the triangle mark on the outer body.
CAUTION:
G
The cap cannot be set between the numerals "1, 3, 5
... 22" or the white dot.
G
Do not use with the cap numeral at "22" and the white
line at the middle of the drill mark. Doing so may cause
damage. (See Fig. 16)
DS18DVB2
When the diameter of the hole
exceeds 5/16" (8 mm).
When the diameter of the hole
exceeds 15/16" (24 mm).