Bedienungsanleitung Hitachi DH 25 DL (Seite 13 von 86) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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5. Hold the charger firmly and pull out the battery

NOTE

Be sure to pull out the battery from the charger

after use, and then keep it.

CAUTION

⅜ 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 up

green. In such a case, first let the battery cool, then

start charging.

⅜ When the pilot lamp flikers in red quickly (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.

⅜ Since the built-in micro computer takes about 3

seconds to confirm that the battery being charged

with UC36YRL 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.

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. Mounting the drill bit (Fig. 4, 5)

CAUTION:

To prevent accidents, make sure to turn the switch

off.

NOTE:

When using tools such as drill bits, etc., make sure

to use the genuine parts designated by our company.

(1) Clean the shank portion of the drill bit.

(2) Insert the drill bit in a twisting manner into the tool

holder until it latches itself. (Fig. 4)

(3) Check the latching by pulling on the drill bit.

(4) To remove the drill bit, fully pull the grip in the

direction of the arrow and pull out the drill bit.

2. Confirm that the battery is mounted correctly.

3. Installation of dust cup or dust collector (B) (Optional

accessories) (Fig. 6, Fig. 7)

When using a rotary hammer for upward drilling

operations attach a dust cup or a dust collector (B)

to collect dust or particles for easy operation.

⅜ Installing the dust cup

Use the dust cup by attaching to the drill bit as shown

in Fig. 6.

When using a bit which has big diameter, enlarge

the center hole of the dust cup with this rotary hammer.

⅜ Installing dust collector (B)

When using dust collector (B), insert dust collector

(B) from the tip of the bit by aligning it to the

groove on the grip. (Fig. 7)

CAUTION:

⅜ The dust cup and dust collector (B) are for exclusive

use of concrete drilling work. Do not use them for

wood or metal drilling work.

⅜ Insert dust collector (B) completely into the chuck

part of the main unit.

⅜ When turning the rotary hammer on while dust

collector (B) is detached from a concrete surface,

dust collector (B) will rotate together with the drill

bit. Make sure to turn on the switch after pressing

dust cup on the concrete surface. When using dust

collector (B) attached to a drill bit that has more

than 190 mm of overall length, dust collector (B)

cannot touch the concrete surface and will rotate.

Therefore, please use dust collector (B) by attaching

to drill bits which have 166 mm, 160 mm, and 110

mm overall length.

⅜ Dump particles after every two or three holes when

drilling.

⅜ Please replace the drill bit after removing dust

collector (B).

4. Selecting the driver bit

Screw heads or bits will be damaged unless a bit

appropriate for the screw diameter is employed to

drive in the screws.

5. Confirm the direction of bit rotation (Fig. 9)

The bit rotates clockwise (viewed from the rear side)

by pushing the R-side of the push button. (Fig. 9-a)

The L-side of the push button is pushed to turn the

bit counterclockwise. (Fig. 9-b)

6. Continuous drilling

The number of holes that can be drilled in concrete

after one recharge is shown in Table 4.

Table 4

DH25DL/DH25DAL DH36DL/DH36DAL

6.5 115 160

8.5 70 90

12.5 55 65

14.5 60 45 55

18 25 40

24 12 16

26 7 8

Depth

(mm)

Bit

dia.

(mm)

Possible continuous

drilling number (holes)

01Eng_DH25DL_WE 08/4/30, 09:3312

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