Hitachi DV 18DBFL Safety Instructions And Instruction Manual page 16

English
4. Change rotation speed.
Low speed
Shift knob
Shift knob
Work
Brick
Wood
Drilling
Steel
Aluminum
Machine screw
Driving
Wood screw
6. Confirm the clutch dial position (See Fig. 9).
The tightening torque of this unit can be adjusted
according to the clutch dial position, at which the
clutch dial is set.
Clutch dial
Weak
Strong
16
Fig. 7
High speed
Fig. 8
Clutch dial
Position
1 – 22
1 –
mark
Triangle mark
mark
Fig. 9
Operate the shift knob to change the rotational
speed. Move the shift knob in the direction of the
arrow (See Figs. 7 and 8).
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:
●
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.
●
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.
5. The scope and suggestions for uses
The usable scope for various types of work based
on the mechanical structure of this unit is shown
in Table 5.
Table 5
Suggestions
Use for drilling purpose.
Use the bit or socket matching the screw diameter.
Use after drilling a pilot hole.
(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 "
outer body.
(3) When using this unit as a hammer drill, align the
clutch dial hammer mark " " with the triangle
mark on the outer body.
CAUTION:
●
The clutch dial cannot be set between the numbers
"1, 3, 5 ... 22" or the black dot.
●
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. 10).
" with the triangle mark on the