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NOTE
The battery charging time becomes
longer when a temperature is low or the
voltage of the power source is too low.
When the pilot lamp does not go off even if
more than four hour has passed after start of
the charging, stop the charging and contact
your HITACHI AUTHORIZED SERVICE
CENTER.
○ 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
Temperature at which the
battery can be recharged
EBM315
32°F — 122°F
(0°C — 50°C)
○ Regarding recharging time
Table 3 shows the recharging time required
according to the type of battery.
Table 3 Recharging time (approx. min.) at 68°F
(20°C)
Battery
voltage (V)
Battery capacity (Ah)
1.5 Ah
3.6 EBM315 30 min.
NOTE
The recharging time may vary according to the
ambient temperature and the power supply
voltage.
4. Disconnect battery charger from the
receptacle.
CAUTION
Do not pull the plug out of the receptacle
by pulling on the cord.
Make sure to grasp the plug when removing
from receptacle to avoid damaging cord.
5. Remove the battery from the battery charger.
Supporting the battery charger with hand, pull
out the battery from the battery charger.
Regarding electric discharge in case of new
batteries, etc.
As the internal chemical substances 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 for the fi rst and second times. 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.
○ 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.
○ 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 for a while
and recharge it after it has cooled.
CAUTION
● When the battery charger has been
continuously used, the battery charger
will be heated, thus constituting the cause
of failures. Once the charging has been
completed, give 15 minutes rest until the
next charging.
● If the battery is recharged when it is warm
due to battery use or exposure to sunlight,
the pilot lamp may not light.
The battery will not be recharged. In such a
case, let the battery cool before charging.
● If the battery charger does not work while
the battery is mounted correctly, it is
probable that the battery or charger is
malfunctioning. Take it to your authorized
Service Center.
BEFORE USE
Check the work area to make sure that it is clear of
debris and clutter.
Clear the area of unnecessary personnel. Ensure
that lighting and ventilation is adequate.