Bedienungsanleitung Bosch PSR 14,4 (Seite 43 von 50) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch, Schwedisch, Norwegisch, Finnisch)

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English

APPLICATIONS

Rotation and striking function

⅜ Drilling anchor holes

⅜ Drilling holes in concrete

⅜ Drilling holes in tile

Rotation only function

⅜ Drilling in steel or wood

(with optional accessories)

⅜ Tightening machine screws, wood screws

(with optional accessories)

PRIOR TO OPERATION

1. Power source

Ensure that the power source to be utilized conforms

to the power requirements specified on the product

nameplate.

2. Power switch

Ensure that the power switch is in the OFF position. If

the plug is connected to a receptacle while the power

switch is in the ON position, the power tool will start

operating immediately, which could cause a serious

accident.

3. Extension cord

When the work area is removed from the power

source, use an extension cord of sufficient thickness

and rated capacity. The extension cord should be kept

as short as practicable.

4. Mounting the drill bit (Fig. 1)

(1) To attach a drill bit (SDS-plus shank), fully pull the grip

in the direction of the arrow as shown in Fig. 1 and

insert the drill bit as far as it will go while manually

turning.

(2) By releasing the grip, the drill bit will be secured.

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

direction of the arrow and pull out the drill bit.

5. Installation of dust cup or dust collector (B)

(Optional accessories) (Fig. 2, Fig. 3)

When using a rotary hammer or upward drilling

operations attach a dust cup or 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. 2.

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. 3)

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 the 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).

6. 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.

7. Confirm the direction of bit rotation (Fig. 4)

The bit rotates clociwise (viewed from the rear side) by

pushing the R-side of the reversing switch lever. The

L-side of the lever is pushed to turn the bit

counterclockwise.

HOW TO USE

CAUTION:

To prevent accidents, make sure to turn the switch off and

disconnect the plug from the receptacle when the drill pits

and other various parts are installed or removed. The

power switch should also be turned off during a work

break and after work.

1. Switch operation

(1) DH24PA

By pulling the trigger switch and depressing the

stopper, the switch is held in the ON position for

continuous operation. To turn the drill OFF, pull the

trigger switch again and release.

(2) DH24PB

The rotation speed of the drill bit can be controlled

steplessly by varying the amount that the trigger

switch is pulled. Speed is low when the trigger switch

is pulled slightly and increases as the switch is pulled

more. Continuous operation may be attained by

pulling the trigger switch and depressing the stopper.

To turn the switch OFF, pull the trigger switch again

to disengage the stopper, and release the trigger

switch to its original position.

2. Rotation + striking

This rotary hammer can be set to rotation and striking

mode by turning the change lever fully counter-

clockwise to the

mark. (Fig. 5)

(1) Mount the drill bit.

(2) Pull the trigger switch after applying the drill bit tip to

the drilling position. (Fig. 6)

(3) Pushing the rotary hammer forcibly is not necessary

at all. Pushing slightly so that drill dust comes out

gradually is sufficient.

CAUTION:

When the drill bit touches construction iron bar, the bit

will stop immediately and the rotary hammer will

react to revolve. Therefore grip the side handle and

handle tightly as shown in Fig. 6.

3. Rotation only

The rotary hammer can be set to rotation only mode

by rotating the change lever fully clockwise to the

mark. (Fig. 7)

To drill wood or metal material using the drill chuck

and chuck adapter (optional accessories), proceed as

follows.

Installing drill chuck and chuck adapter: (Fig. 8)

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