Bedienungsanleitung Hitachi WH12DK (Seite 9 von 78) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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(3) Regarding recharging time

Depending on the combination of the charger and

batteries, the charging time will become as shown in

Table 3.

Table 3 Charging time (At 20°C)

NOTE

The charging time may vary according to temperature

and power source voltage.

4. Disconnect the charger’s power cord from the

receptacle

5. Hold the charger firmly and pull out the battery

NOTE

Be sure to pull out the battery from the charger after

use, and then keep it.

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.

CAUTION

⅜ If the battery is charged while it is heated because it

has been left for a long time in a location subject to

direct sunlight or because the battery has just been

used, the pilot lamp of the charger lights up green. In

such a case, first let the battery cool, then start

charging.

⅜ When the pilot lamp flikers in red quickly (at 0.2-

second intervals), check for and take out any foreign

objects in the charger’s battery installation hole. If

there are no foreign objects, it is probable that the

battery or charger is malfunctioning. Take it to your

Authorized Service Center.

⅜ Since the built-in micro computer takes about 3

seconds to confirm that the battery being charged with

UC14YFA is taken out, wait for a minimum of 3

seconds before reinserting it to continue charging. If

the battery is reinserted within 3 seconds, the battery

may not be properly charged.

PRIOR TO OPERATION

1. Preparing and checking the work environment

Make sure that the work site meets all the conditions

laid forth in the precautions.

2. Checking the battery

Make sure that the battery is installed firmly. If it is at

all loose it could come off and cause an accident.

3. Installing the bit

Always follow the following procedure to install bit

piece and driver bit (Fig. 4).

(1) Pull the guide sleeve back.

(2) Insert the bit piece and driver bit into the hexagonal

hole in the anvil.

(3) Release the guide sleeve and it returns to its original

position.

CAUTION

If the guide sleeve does not return to its original

position, then the bit is not installed properly.

This product also comes equipped with a bit piece.

Make sure that the bit piece is inside of the hexagonal

hole in the anvil, then install the bit (Fig. 5).

HOW TO USE

1. Check the rotational direction

The bit rotates clockwise (viewed from the rear side)

by pushing the R-side of the push button.

The L-side of the push button is pushed to turn the bit

counterclockwise (See Fig. 6) (The

and

marks

are provided on the body).

CAUTION

The push button can not be switched while the impact

driver is turning. To switch the push button, stop the

impact driver, then set the push button.

2. Switch operation

⅜ When the trigger switch is depressed, the tool rotates.

When the trigger is released, the tool stops.

⅜ The rotational speed can be controlled by varying the

amount that the trigger switch is pulled. Speed is low

when the trigger switch is pulled slightly and increases

as the trigger switch is pulled more.

3. Tightening and loosening screws

Install the bit that matches the screw, line up the bit

in the grooves of the head of the screw, then tighten

it.

Push the impact driver just enough to keep the bit

fitting the head of the screw.

CAUTION

Applying the impact driver for too long tightens the

screw too much and can break it.

Tightening a screw with the impact driver at an angle

to that screw can damage the head of the screw and

the proper force will not be transmitted to the screw.

Tighten with this impact driver lined up straight with

the screw.

4. Dial Adjustment

(1) This machine has a function for automatically stopping

the impact automatically with the dial setting shown

in Table 4.

In forward rotation, a dial setting of 1-9 activates the

automatic stop function, which will stop the impact.

If this dial setting is 10, operation continues until the

switch trigger is released.

Charger

UC14YFA

Battery

EB1220BL Approx. 50 min.

EB1230HL Approx. 70 min.

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