Hitachi C 7D Handling Instructions Manual page 6

CHARGING
Before using the power tool, charge the battery as
follows.
1. Connect the charger's power cord to the receptacle.
When the power cord is connected, the charger's
pilot lamp will blink in red. (At 1-second intervals.)
2. Insert the battery into the charger. (Fig. 9)
Make sure the battery is fully seated in the battery
charger.
Table 1
Before charging
While charging
Charging complete
Charging impossible
Charging impossible
(2) Regarding the temperature 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
Rechargeable
batteries the battery can be recharged
EB2420
6
Fig. 9
Lights for 0.5 seconds. Does not light for 0.5
Blinks
(RED) seconds. (off for 0.5 seconds)
Lights Lights continuously
(RED)
Blinks Lights for 0.5 seconds. Does not light for 0.5
(RED)
seconds. (off for 0.5 seconds)
Lights for 0.1 seconds. Does not light for 0.1
Flickers
seconds. (off for 0.1 seconds)
(RED)
Lights
Lights continuously
(GREEN)
Temperatures at which
–5°C — 60°C
3. Charging
When inserting a battery in the charger, charging
will commence and the pilot lamp will light
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.
(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)
Charger
Battery
EB2420
NOTE:
The charging time may vary according to
temperature and power source voltage.
4. Disconnect the charger's power cord from the
receptacle.
Malfunction in the
battery or the charger
The battery tempera-
ture is high, making
recharging impossible.
UC24YFB
Approx. 50 min.