Prior To Operation; How To Use - Hitachi Koki DV 14DVC2 Instrucciones De Manejo

How to make the batteries perform longer.
(1) Recharge the batteries before they become completely
exhausted.
When you feel that the power of the tool becomes
weaker, stop using the tool and recharge its battery. If
you continue to use the tool and exhaust the electric
current, the battery may be damaged and its life will
become shorter.
(2) Avoid recharging at high temperatures.
A rechargeable battery will be hot immediately after use.
If such a battery is recharged immediately after use, its
internal chemical substance will deteriorate, and the
battery life will be shortened. Leave the battery and
recharge it after it has cooled for a while.

PRIOR TO OPERATION

1. Setting up and checking the work environment
Check if the work environment is suitable by following the
precautions.

HOW TO USE

1. Confi rm the clutch dial position (See Fig. 5)
The three modes of screwdriver, drill and impact drill can
be switched by the position of the cap in this unit.
(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 dots,
with the triangle mark on the outer body.
(2) When using this unit as a drill, align the clutch dial drill
mark " " with the triangle mark on the outer body.
(3) When using this unit as an impact drill, align the cap
hammer mark " " with the triangle mark on the outer
body.
CAUTION
○ The clutch dial cannot be set between the numerals "1, 3,
5 ... 22" or the dots.
○ Do not use with the clutch dial numeral between "22"
and the line at the middle of the drill mark. Doing so may
cause damage (See Fig. 6).
2. Tightening torque adjustment
(1) Tightening torque
Tightening torque should correspond in its intensity to
the screw diameter. When too strong torque 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
The tightening torque diff ers 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 dots. The tightening
toque at position "1" is the weakest and the torque is
strongest at the highest number (See Fig. 5).
Work
Brick
Wood
Drilling
Steel
Aluminum
Machine screw
Driving
Wood screw
(3) Adjusting the tightening torque
Rotate the clutch dial and line up the numbers "1, 3, 5 ...
22" on the clutch dial, or the dots, 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.
CAUTION
○ The motor rotation may be locked to cease while the unit
is used as drill. While operating the impact driver drill,
take care not to lock the motor.
○ Too long hammering may cause the screw broken due to
excessive tightening.
3. Rotation to Impact changeover (See Fig. 5)
The "Rotation (Rotation only)" and "Impact (Impact +
Rotation)" can be switched by aligning the drill mark "
or the hammer mark "
outer body.
○ To make holes in the metal, wood or plastic, switch to
"Rotation (Rotation only)".
○ To make holes in bricks or concrete blocks, switch to
"Impact (Impact + Rotation)".
CAUTION
○ If an operation which is normally performed at the
"Rotation" setting is performed at "Impact" setting, the
eff ect of making holes does not only increase but it may
also damage the bit or other parts.
○ If it is hard to turn the clutch dial to hammer mark "
position, turn the chuck slightly in either direction and then
turn the clutch dial to hammer mark "
4. Change rotation speed
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,
confi rm that the switch is off .
Changing the speed while the motor is rotating will
damage the gears.
○ When setting the shift knob to "HIGH" (high speed) and
the position of the clutch dial is between "15" and "22", it
may happen that the clutch does not engaged and that
the motor is locked. In such a case, please set the shift
knob to "LOW" (low speed).
○ If the motor is locked, immediately turn the power off . If
the motor is locked for a while, the motor or battery may
be burnt.
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 3.
Table 3
Use for drilling purpose.
Use the bit or socket matching the screw diameter.
Use after drilling a pilot hole.
" with the triangle mark on the
Suggestions
English
"
"
" position again.
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