Hitachi DS12DM [12/82] English
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Hitachi DS12DM [12/82] English

Hitachi DS12DM [12/82] English
English
11
CAUTION
䡬 If the battery is charged while it is heated because
it has been left for a long time in a location subject
to direct sunlight or because the batetery has just
been used, the pilot lamp of the charger lights up
green. In such a case, first let the battery cool, then
start charging.
䡬 When the pilot lamp flickers in red (at 0.2-second
intervals), check for and take out any foreign objects
in the charger’s battery installation hole. If there are
no foreign objects, it is probable that the battery
or charger is malfunctioning. Take it to your
authorized Service Center.
䡬 Since the built-in micro computer takes about 3
seconds to confirm that the battery being charged
with UC14YFA is taken out, wait for a minimum of
3 seconds before reinserting it to continue charging.
If the battery is reinserted within 3 seconds, the
battery may not be properly charged.
〈
UC18YG
〉
Before using the driver drill, charge the battery as follows.
1. Connect the charger power cord to the receptacle
Connecting the power cord will turn on the charger.
2. Insert the battery into the charger
Insert the battery firmly while observing its direction,
until it contacts the bottom of the charger (the pilot
lamp lights up) (See Fig. 4).
CAUTION
If the pilot lamp does not light up, pull out the
power cord from the receptacle and check the
battery mounting condition.
(1) Regarding the temperatures of the rechargeable
battery
The temperatures for rechargeable batteries are as
shown in Table 4.
Table 4 Recharging ranges of batteries
(2) Regarding recharging time
Depending on the combination of the charger and
batteries, the charging time will become as shown in
Table 5.
Table 5 Charging time (At 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 120 minutes 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’s 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
current, the battery may be damaged and its life will
become shorter.
(2) 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.
PRIOR TO OPERATION
1. Setting up and checking the work environment
Check if the work environment is suitable by
following the precautions.
HOW TO USE
1. Confirm the clutch dial position (See Fig. 5)
The tightening torque of this unit can be adjusted
according to the clutch dial position, at which the
clutch dial is set.
(1) When using this unit as a screwdriver, line up the one
of the numbers “1, 3, 5 ... 22” on the clutch dial, or
the dots, with the triangle mark on the outer body.
(2) When using this unit as a drill, align the clutch dial
drill mark “
” with the triangle mark on the outer
body.
CAUTION
䡬 The clutch dial cannot be set between the numerals
“1, 3, 5 ... 22” or the dots.
Temperatures at
Rechargeable batteries which the battery
can be recharged
EB912S, EB914S, EB914,
EB9B, EB1212S, EB1214S, 0°C – 45°C
EB1214L, EB1220BL
Charger
UC18YG
Battery
EB912S, EB914S, EB914,
Approx. 30 min.
EB1212S, EB1214S, EB1214L
EB9B, EB1220BL
Approx. 50 min.
01Eng_DS9DM_EE 08/4/28, 17:2411

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English CAUTION O If the battery is charged while it is heated because it has been left for a long time in a location subject to direct sunlight or because the batetery has just been used the pilot lamp of the charger lights up green In such a case first let the battery cool then start charging O When the pilot lamp flickers in red at 0 2 second intervals check for and take out any foreign objects in the charger s battery installation hole If there are no foreign objects it is probable that the battery or charger is malfunctioning Take it to your authorized Service Center O Since the built in micro computer takes about 3 seconds to confirm that the battery being charged with UC14YFA is taken out wait for a minimum of 3 seconds before reinserting it to continue charging If the battery is reinserted within 3 seconds the battery may not be properly charged UC18YG Before using the driver drill chargethe battery as follows 1 Connect the charger power cord to the receptacle Connecting the power cord will turn on the charger 2 Insert the battery into the charger Insert the battery firmly while observing its direction until it contacts the bottom of the charger the pilot lamp lights up See Fig 4 CAUTION If the pilot lamp does not light up pull out the power cord from the receptacle and check the battery mounting condition 1 Regarding the temperatures of the rechargeable battery The temperatures for rechargeable batteries are as shown in Table 4 Table 4 Recharging ranges of batteries Rechargeable batteries Temperatures at which the battery can be recharged EB912S EB914S EB914 EB9B EB1212S EB1214S EB1214L EB1220BL 0 C 45 C 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 becomecompletely 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 2 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 1 Setting up and checking the work environment Check if the work environment is suitable by following the precautions HOW TO USE Table 5 Charging time At 20 C 1 ____ ______ Charger __ UC18YG EB912S EB914S EB914 EB1212S EB1214S EB1214L Approx 30 min EB9B EB1220BL Approx 50 min The pilot lamp goes off to indicate that the battery is fully charged The battery charging time becomes longer when a temperature is low orthe voltage of the power source is too low 11 Regarding electric discharge in case of new batteries etc PRIOR TO OPERATION 2 Regarding recharging time Depending on the combination of the charger and batteries the charging time will become as shown in Table 5 Batte ry When the pilot lamp does not go off even if more than 120 minutes 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 s 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 Confirm the clutch dial position See Fig 5 The tightening torque of this unit can be adjusted according to the clutch dial position at which the clutch dial is set 1 When using this unit as a screwdriver line up the one of the numbers 1 3 5 22 on the clutch dial or the dots with the triangle mark on the outer body 2 When using this unit as a drill align the clutch dial drill mark m with the triangle mark on the outer body CAUTION O The clutch dial cannot be set between the numerals 1 3 5 22 or the dots

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