Manual Hitachi WH14DMR (page 7 of 86) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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BATTERY REMOVAL/INSTALLATION

1. Battery removal

Hold the handle 3 tightly and push the battery latch

2 to remove the battery 1 (See Fig. 1 ).

CAUTION

Never short-circuit the battery.

2. Battery installation

Insert the battery 1 while observing its polarities

(See Fig. 1).

CHARGING

〈

UC14YFA, UC24YAF, UC18YRL

〉

Before using the impact driver or impact wrench, charge

the battery as follows.

1. Connect the charger’s power cord to a receptacle

When the power cord is connected, the charger’s

pilot lamp will blink in red (At 1-second intervals).

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

Overheat

standby

Blinks

(RED)

Lights

(RED)

Blinks

(RED)

Flikers

(RED)

Lights

(GREEN)

Malfunction in the battery

or the charger.

Battery overheated.

Unable to charge

(Charging will commence

when battery cools).

Table 1

Indications of the lamps

NOTE: When standby for cooling battery, UC18YRL cools the overheated battery by cooling fan.

2. Insert the battery into the charger

Insert the battery firmly, until it contacts the bottom of

the charger compartment.

CAUTION

⅜ If the battery is inserted in the reverse direction, not

only recharging will become impossible, but it may

also cause problems in the charger such as deformed

recharging terminal.

3. Charging

When inserting a battery in the charger, charging will

commence and the pilot lamp will light up

continuously in red.

When the battery becomes fully recharged, the pilot

lamp will blink in red (At 1-second intervals) (See

Table 1).

(1) Pilot lamp indication

The indications of the pilot lamp will be as shown in

Table 1, according to the condition of the charger or

the rechargeable battery.

(2) Regarding the temperatures of the rechargeable

battery

The temperatures for rechargeable batteries are as

shown in the table below, and batteries that have

become hot should be cooled for a while before

being recharged.

Table 2 Recharging ranges of batteries

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.

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, UC24YFA and UC18YRL are 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.

Charger

UC14YFA

UC18YRL

Rechargeable batteries

UC24YFA

Ni-Cd batteries –5°C – 55°C

Ni-MH batteries 0°C – 45°C –5°C – 50°C

Li-ion batteries x 0°C – 50°C

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Hitachi WH14DMR Manual

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