SPECIFICATIONS
The specifi cations of this machine are listed in the Table on
page 154.
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
CHARGING
Before using the power tool, charge the battery as follows.
1. Connect the charger's power cord to the receptacle.
Before
charging
While charging Lights
Charging
complete
Pilot lamp
(red)
Overheat
standby
Charging
impossible
● Regarding the temperatures and charging time of the battery.
The temperatures and charging time will become as shown in Table 2
Battery
Charging voltage
Weight
Temperatures at which the battery can be recharged
Charging time for battery capacity, approx.
(At 20oC)
1.5 Ah
2.0 Ah
2.5 Ah
3.0 Ah
4.0 Ah
5.0 Ah
Number of battery cells
NOTE
The recharging time may vary according to temperature
and power source voltage.
CAUTION
When the battery charger has been continuously used,
the battery charger will be heated, thus constituting
the cause of the failures. Once the charging has been
completed, give 15 minutes rest until the next charging.
Table 1
Indications of the pilot lamp
Lights for 0.5 seconds. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights continuously
Lights for 0.5 seconds. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights for 1 second. Does not light for 0.5
Blinks
seconds. (off for 0.5 seconds)
Lights for 0.1 seconds. Does not light for 0.1
seconds. (off for 0.1 seconds)
Flickers
Table 2
Charger
V
kg
min.
min.
min.
min.
min.
min.
When connecting the plug of the charger to a receptacle,
the pilot lamp will blink in red (At 1- second intervals).
2. Insert the battery into the charger.
Firmly insert the battery into the charger as shown in Fig. 2.
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)
● 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.
UC18YFSL
14.4V – 18V
0.5
0oC – 50oC
22
30
35
45
60
75
4. Disconnect the charger's power cord from the
receptacle.
5. Hold the charger fi rmly and pull out the battery.
NOTE
Be sure to pull out the battery from the charger after use,
and then keep it.
5
English
Battery overheated.
Unable to charge.
(Charging will
commence when
battery cools)
Malfunction in the
battery or the charger
UC18YKSL
0.35
40
60
75
90
120
150
4 – 10