Manual Hitachi cr 24 dv (page 10 of 66) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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(2) Regarding the temperatures of the rechargeable

battery.

The temperatures for rechargeable batteries are as

shown in the table 2, and batteries that have become

hot should be cooled for a while before being

recharged.

Table 2

(3) Regarding recharging time

Depending on the type of battery, 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

After operation, 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 short when using them the first

Temperatures at

Battery type which the battery

can be recharged

EB2420 –5°C – 60°C

EB2430HA 0°C – 45°C

Table 1

Indications of the pilot lamp

Lights for 0.5 seconds. Does not light for 0.5

seconds. (off for 0.5 seconds)

Lights continuously

Lights for 0.5 seconds. Does not light for 0.5

seconds. (off for 0.5 seconds)

Lights for 0.1 seconds. Does not light for 0.1

seconds. (off for 0.1 seconds)

Lights continuously

Before

charging

While

charging

Charging

complete

Charging

impossible

Charging

impossible

Blinks

(RED)

Lights

(RED)

Blinks

(RED)

Flickers

(RED)

Lights

(GREEN)

Malfunction in the battery

or the charger

The battery temperature

is high, making recharging

impossible.

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 been cooled for

a while.

CAUTION

⅜ If the battery has been heated right after operation

(or due to sunlight, etc.), the charger’s pilot lamp

may not light in red. In such a case, first let the

battery cool, then start charging.

⅜ When the pilot lamp flickers 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 UC24YFB 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. Mounting the blade

This unit employs a detachable mechanism that

enables mounting and removal of saw blades

without the use of a wrench or other tools.

Battery type Recharging time

EB2420 Approx. 50 min.

EB2430HA Approx. 70 min.

01Eng_CR24DV_WE 11/9/07, 10:529

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Hitachi cr 24 dv Manual

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