Before Use; Operation - Hitachi DB10DL Instruction Manual

English
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.
Rechargeable
batteries
BCL1015
Regarding recharging time
Table 3 shows the recharging time required
according to the type of battery.
Table 3 Recharging time (approx. min.) at 20°C
Battery Battery capacity (Ah)
voltage (V)
10.8 BCL1015
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 substance 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 the first
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.
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.
12
Table 2
Temperatures at which the
battery can be recharged
32°F — 122°F (0°C — 50°C)
1.5 Ah
40 min.
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 cooled for a while.
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.
● 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.

OPERATION

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.
1. Installing the bit
Always follow the following procedure to install
driver bit. (Fig. 5)
Driver bit
Hexagonal hole in
the socket
(1) Pull the guide sleeve forward.
(2) Insert the bit into the hexagonal hole in the socket.
(3) Release the guide sleeve and it returns to its original
position.
Movement
Guide
sleeve
Fig. 5