Hitachi DB 3 DL [8/58] English
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Hitachi DB 3 DL [8/58] English

Hitachi DB 3 DL [8/58] English
English
7
Inserting the battery 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.
The pilot lamp goes off to indicate that the battery is
fully charged.
CAUTION
If the battery is heated due to direct sunlight, etc.,
just after operation, the charger pilot lamp may
not light. At that time cool the battery first, then
start charging.
䡬 Regarding recharging time
Table 1 shows the recharging time required according
to the type of battery.
NOTE: The recharging time may vary according to the
ambient temperature.
3. Disconnect the charger’s power cord from the
receptacle.
4. Hold the charger firmly and pull out the battery.
NOTE:
After operation, 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.
CAUTION:
䡬 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.
䡬 If the battery charger does not work while the battery
is mounted correctly, it is probable that the battery or
Table 1 Recharging time (approx. min.) at 20°C
Battery
voltage
(V)
Battery capacity (Ah)
1.5 Ah
3.6 V EBM315 30 min.
charger is malfunctioning. Take it to your authorized
Service Center.
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
How to make the batteries perform longer
䡬 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. 4)
(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.
CAUTION:
If the guide sleeve does not return to its original
position, then the bit is not installed properly.
2. Removing the bit
Please do the opposite point on the method of
installing bit.
3. Automatic spindle-lock mechanism
When the main switch is off, the bit is locked in place,
and the tool can be used as a manual screwdriver.
4. Confirm that the battery is mounted correctly
5. Change rotation speed
Operate the shift knob to change the rotational speed.
Move the shift knob in the direction of the arrow (see
Figs. 5 and 6).
When the shift knob is set to “LOW”, the drill rotates
at a low speed. When set to “HIGH”, the drill rotates
at a high speed.
CAUTION:
䡬 When changing the rotational speed with the shift
knob, confirm that the switch is off.
Changing the speed while the motor is rotating will
damage the gears.
䡬 When a large force is required for operation, set the
shift knob to “LOW”. If “HIGH” is set and the unit is
used, it may cause the motor to burn out or
malfunction prematurely.
6. Confirm the clutch dial position (See Fig. 7)
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, 5, 9 ... 21” on the clutch dial, or the
black 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, 5, 9 ... 21” or the black dots.

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English Inserting the battery 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 The pilot lamp goes off to indicate that the battery is fully charged CAUTION If the battery is heated due to direct sunlight etc just after operation the charger pilot lamp may not light At that time cool the battery first then start charging O Regarding recharging time Tablei showstherechargingtimerequired according to the type of battery Table 1 Recharging time approx min at 20 C Battery voltage V 3 6 V Battery capacity Ah 1 5 Ah EBM315 30 min NOTE The recharging time may vary according to the ambient temperature 3 Disconnect the charger s power cord from the receptacle 4 Hold the charger firmly and pull out the battery NOTE After operation pull out batteries from the charger first and then keep the batteries properly Regarding electric batteries etc discharge in case of new 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 CAUTION O When the battery charger has been continuously used the battery charger will be heated thus constituting thecause of the failures Once the charging has been completed give 15 minutes rest until the next charging O If the battery charger doesnot work while the battery is mounted correctly it is probable that the battery or 7 charger is malfunctioning Take it to your authorized Service Center 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 How to make the batteries perform longer O 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 1 Installing the bit Always follow the following procedure to install driver bit Fig 4 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 positi on CAUTION If the guide sleeve does not return to its original position then the bit is not installed properly 2 Removing the bit Please do the opposite point on the method of installing bit 3 Automatic spindle lock mechanism When the main switch is off the bit slocked in place and the tool can be used as a manual screwdriver 4 Confirm that the battery is mounted correctly 5 Change rotation speed Operate the shift knob to change the rotational speed Move the shift knob in the direction of the arrow see Figs 5 and 6 When the shift knob is set to LOW the drill rotates at a low speed When set to HIGH the drill rotates at a high speed CAUTION O When changing the rotational speed with the shift knob confirm that the switch is off Changing the speed while the motor is rotating will damage the gears O When a large force is required for operation set the shift knob to LOW If HIGH is set and the unit is used it may cause the motor to burn out or malfunction prematurely 6 Confirm the clutch dial position See Fig 7 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 5 9 21 on the clutch dial or the black dots with the triangle markon 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 5 9 21 or the black dots

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