Manual Hitachi ds 18dvb2 (page 12 of 90) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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(2) Regarding recharging time

Depending on the combination of the charger and

batteries, the charging time will become as shown

in Table 5.

Table 5 Charging time (At 20°C)

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. Confirm the cap position (see Fig. 6)

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 of the numbers “1, 3, 5 ... 22” on the cap, or

the white dots, with the triangle mark on the outer

body.

(2) When using this unit as a drill, align the cap drill

mark “

” with the triangle mark on the outer

body.

CAUTION:

⅜ The cap cannot be set between the numerals “1,

3, 5 ... 22” or the white dots.

⅜ Do not use with the cap numeral between “22” and

the white line at the middle of the drill mark. Doing

so may cause damage (See Fig. 7).

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 cap position according to the

screw diameter.

(2) Tightening torque indication

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 cap, and a white

dots. The tightening toque at position “1” is the

weakest and the torque is strongest at the highest

number (See Fig. 6).

(3) Adjusting the tightening torque

Rotate the cap and line up the numbers “1, 3, 5,

... 22” on the cap, or the white dots, with the

triangle mark on the outer body. Adjust the cap in

the weak or the strong torque direction according

to the torque you need.

CAUTION:

⅜ The motor rotation may be locked to cease while

the unit is used as drill. While operating the driver

drill, take care not to lock the motor.

⅜ Too long hammering may cause the screw broken

due to excessive tightening.

3. Change rotation speed

Operate the shift knob to change the rotational

speed. Move the shift knob in the direction of the

arrow (see Figs. 8 and 9).

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:

⅜ 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.

Charger

UC18YG

Battery

EB914S, EB914,

EB1214S, EB1214L,

Approx. 30 min.

EB1414S, EB1414,

EB1814SL

EB9B, EB1220BL, EB14B,

Approx. 50 min.

EB1820, EB1820L

The pilot lamp goes off to indicate that the battery

is fully charged.

The battery charging time becomes longer when a

temperature is low or the voltage of the power

source is too low.

When the pilot lamp does not go off even if more

than 120 minutes have elapsed after starting of the

charging, stop the charging and contact your

HITACHI AUTHORIZED SERVICE CENTER.

CAUTION

If the battery is heated due to direct sunlight,

etc., just after operation, the charger pilot lamp

may not light up. At that time, cool the battery

first, then start charging.

3. Disconnect the charger’s power cord from the

receptacle

4. Hold the charger firmly and pull out the battery

NOTE

After charging, pull out batteries from the charger

first, and then keep the batteries properly.

Regarding electric discharge in case of new batteries,

etc.

As the internal chemical substance of new batteries

and batteries that have not been used for an

extended period is not activated, the electric

discharge might be low when using them the first

and second time. This is a temporary phenomenon,

and normal time required for recharging will be

restored by recharging the batteries 2 – 3 times.

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.

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Hitachi ds 18dvb2 Manual

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