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3. Hexagonal socket
Part Name
4 mm Hexagonal socket
5 mm Hexagonal socket
6 mm Hexagonal socket
5/16" Hexagonal socket
8 mm Hexagonal socket
10 mm Hexagonal socket
(small type)
10 mm Hexagonal socket
10 mm Hexagonal socket
1/2" Hexagonal long
socket
Engraved characters
4. Wood working drill: Code No. 959183
5. 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.
2. Battery installation
Insert the battery while observing its polarities (see
Fig. 2).
7
Engraved
L
B
Code No.
characters
7
65
7
992689
8
65
8
996177
10
65
10
985329
12
65
12
996178
13
65
13
996179
14
65
14
996180
16
65
16
996181
17
65
17
996182
21
166
21
996197
CHARGING
〈 〈 〈 〈 〈 UC12SD 〉 〉 〉 〉 〉
Before using the impact driver, charge the battery as
follows.
1. Insert the battery into the charger.
Insert the battery firmly while observing its direction,
until it contacts the bottom of the charger. (See Figs.
1 and 2)
CAUTION
The UC12SD model is the exclusively designed
charger. This cannot charge batteries except the
specified batteries. It is possible to insert the
batteries other than the specified into the charger
and it may light up the pilot lamps. However, you
are requested to exercise utmost caution not to
charge batteries other than specified ones because
these can not only be charged but also such
actions can result in the malfuntion of chargers.
2. Connect the charger power cord to the receptacle.
Connecting the power cord will turn on the charger
(the pilot lamp lights up).
CAUTION
If the pilot lamp does not light up, pull out the
power cord from the receptacle and check the
battery mounting condition.
About 1 hour is required to fully charge the battery at
a temperature of about 20°C. The pilot lamp goes off
to indicate that the battery is fully charged.
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
two hours have elapsed after starting of the charging,
stop the charging and contact your HITACHI
AUTHORIZED SERVICE CENTER.
CAUTION
If the battery is heated due to direct sunlight, etc.,
just after operation, the charger pilot lamp may
not light up. At that time, cool the battery first,
then start charging.
3. Disconnect the charger power cord from the
receptacle.
4. Hold the charger firmly and pull out the battery.
NOTE
After charging, pull out batteries from the charger first,
and then keep the batteries properly.
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.
(1) 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
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