Bedienungsanleitung Hitachi DH18DBL (Seite 6 von 188) (Alle Sprachen)

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● Regarding the temperatures and charging time of the

battery.

The temperatures and charging time will become as

shown in Table 2.

Table 2

Charger

Battery

UC18YFSL

Charging voltage V 14.4 – 18

Weight kg 0.5

Temperatures at which the

battery can be recharged

0oC – 50oC

Charging time for battery

capacity, approx. (At 20oC)

1.5 Ah

2.0 Ah

2.5 Ah

3.0 Ah

4.0 Ah

5.0 Ah

min.

Number of battery cells 4 – 10

NOTE

The recharging time may vary according to temperature

and power source voltage.

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.

4. Disconnect the charger’s power cord from the

receptacle.

5. Hold the charger ﬁ rmly and pull out the battery.

NOTE

Be sure to pull out the battery from the charger after use,

and then keep it.

CAUTION

○ 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 battery has just been used, the

pilot lamp of the charger lights for 1 second, does not

light for 0.5 seconds (oﬀ for 0.5 seconds). In such a case,

ﬁ rst let the battery cool, then start charging.

○ When the pilot lamp ﬂ ickers (at 0.2-second intervals),

check for and take out any foreign objects in the charger’s

battery connector. If there are no foreign objects, it is

probable that the battery or charger is malfunctioning.

Take it to your authorized Service Center.

○

Since the built-in micro computer takes about 3 seconds to

conﬁ rm that the battery being charged with charger 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.

○ If the pilot lamp does not blink in red (every second)

even though the charger cord is connected to the power,

it indicates that the protection circuit of the charger may

be activated.

Remove the cord or plug from the power and then

connect it again after 30 seconds or so. If this does

not cause the pilot lamp to blink in red (every second),

please take the charger to the Hitachi Authorized Service

Center.

MOUNTING AND OPERATION

Action Figure Page

Removing and inserting the

battery

1 178

Charging 2 178

Remaining battery indicator 3 178

Installing / Removing the side

handle

4 178

Inserting SDS-plus drilling tools 5 179

Removing SDS-plus drilling tools 6 179

Selecting rotation direction 7 179

Selecting the operating mode 8 179

Adjusting the drilling depth 9 179

Changing the chisel position 10 179

Removing drill bit holder

(DH18DBQL, DH18DBML)*

11 180

Inserting drill chuck holder

(DH18DBQL, DH18DBML)

12 180

Inserting round shank applications

tools (DH18DBQL, DH18DBML)

13 180

Switch operation 14 180

How to use the LED light 15 180

Cleaning of the battery installation

compartment

16 180

Selecting accessories ―

181, 182

* If it is hard to pull out the drill chuck holder or the drill bit

holder, align the change lever with the

mark and turn

the lock grip.

For details on how to use the dust extraction unit, refer to

the separate instruction manual included with this tool.

(DH18DBDL/DH18DBML)

REACTIVE FORCE CONTROL

This product is equipped with a Reactive Force Control

(RFC) feature that reduces jerking of the tool body.

If the tool bit is suddenly overburdened, any jerking of the

tool body is reduced by activation of the slip clutch or by

stopping of the motor by the sensor built into the tool body.

If the motor is stopped because of overburdening detection

by the controller, this is indicated by blinking of the remaining

battery lamp while the switch is pulled. (Fig. 17)

Because the RFC feature may not activate or its performance

may be insuﬃ cient depending on the working environment

and conditions, be careful not to suddenly overburden the

tool bit while operating.

● Possible causes of sudden overburdening

1 Tool bit biting into material

2 Impact against nails, metal or other hard objects

3 Tasks involving prying or any excess application of

pressure, etc.

Also, other causes include any combination of the

aforementioned.

● When the reactive force control (RFC) is triggered

When the RFC is triggered and the motor stops, turn

oﬀ the tool’s switch and remove the cause of the

overburdening before continuing operation.

0000Book_DH18DBL.indb 60000Book_DH18DBL.indb 6 2017/03/29 17:12:222017/03/29 17:12:22

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