Battery Removal/Installation - Hitachi Koki WH 12DM Mode D'emploi

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3. Wood working drill: Code No. 959183
4. Drill chuck adapter set: Code No. 996195
Use the drills available on the local market.
Optional accessories are subject to change without
notice.
APPLICATION
Driving and removing of small screws, small bolts,
etc.

BATTERY REMOVAL/INSTALLATION

1. Battery removal
Hold the handle tightly and push the battery latch
to remove the battery. (Figs. 1 and 2)
CAUTION
Never short-circuit the battery.
Table 1
Before Blinks
charging (RED)
While Lights
charging (RED)
Blinks
Charging
(RED)
complete
Charging
Flikers
impossible
(RED)
Lights
Charging
(GREEN)
impossible
(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.
7
2. Battery installation
Insert the battery while observing its polarities (see
Fig. 2).
CHARGING
Before using the impact driver, 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).
2. Insert the battery into the charger.
Insert the battery firmly, in the direction shown in
Fig. 3, until it contacts the bottom of the charger
compartment.
CAUTION
If the battery is inserted in the reverse direction,
not only recharging will become impossible, but it
may also cause the fuse to blow, or 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
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.
Indications of the lamps
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
Table 2 Recharging ranges of batteries
Rechargeable batteries
EB9B, EB1220BL
EB930H, EB1230HL
Malfunction in the battery
or the charger
The battery temperature
is high, making recharg-
ing impossible.
Temperatures at
which the battery
can be recharged
–5°C – 60°C
0°C – 45°C