Bedienungsanleitung DeWalt D25481 (Seite 22 von 92) (Deutsch, Englisch, Holländisch, Dänisch, Französisch, Italienisch, Portugiesisch, Spanisch, Türkisch, Schwedisch, Norwegisch, Finnisch)

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ENGLISH

Bit and Bit Holder



WARNING: Burn Hazard. ALWAYS wear gloves when

changing bits. Accessible metal parts on the tool and bits

may get extremely hot during operation. Small bits of

broken material may damage barehands.



WARNING: Do not attempt to tighten or loosen drill bits

(or any other accessory) by gripping the front part of the

chuck and turning the tool on. Damage to the chuck and

personal injury mayoccur.

The rotary hammer can be fitted with various chisel bits

depending on the desired application. Use sharp drill

bitsonly.

Inserting and Removing SDS Bits (Fig. C)

1. Pull back the locking sleeve

8

and insert the bit shank. The

bit shank must beclean.

2. Turn the bit slightly until the sleeve snaps back intoposition.

3. Ensure the bit is properlyengaged.

NOTE: The bit needs to move several centimeters in and out

of the bit holder

7

when properlyengaged.

To remove the bit, pull back the locking sleeve and pull the

bitout.

OPERATION

Instructions for Use



WARNING: Always observe the safety instructions and

applicableregulations.



WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect tool from power

source before making any adjustments or removing/

installing attachments or accessories. Be sure the

trigger switch is in the OFF position. An accidental start-up

can causeinjury.

Proper Hand Position (Fig. D)



WARNING: To reduce the risk of serious personal injury,

ALWAYS use proper hand position asshown.



WARNING: To reduce the risk of serious personal

injury, ALWAYS hold securely in anticipation of a

suddenreaction.

Proper hand position requires one hand on the mounted side

handle, with the other hand on the mainhandle.

Overload Clutch

In case of jamming of a drill bit, the drive to the drill spindle

is interrupted by the overload clutch. Due to the resulting

forces, always hold the tool with both hands and take a

firmstance. After the overload, release and depress the trigger

to re-engagedrive.

Mechanical Clutch

These tools are fitted with a mechanical clutch. The indication

that the clutch has activated will be an audible ratcheting

together with increasedvibration.



WARNING: Drill may stall if overloaded causing a sudden

twist. Always expect the stall. Grip the drill firmly to control

the twisting action and avoidinjury.

Operation Modes (Fig. E)



WARNING: Do not select the operating mode when the

tool isrunning.



CAUTION: Never use in Rotary Drilling or Rotary

Hammering mode with a chisel bit in the bit holder.

Personal injury and damage to the the tool mayresult.

Your tool is equipped with a mode selector dial 

4

to selectthe

mode appropriate to desiredoperation.

Symbol Mode Application

Rotary Drilling Dry diamond coring

Rotary

Hammering

Drilling into concrete and masonry

Hammering only Light chipping

To select an operating mode:

1. Depress the mode selector release button

5

2. Rotate the mode selector dial so that the arrow points to the

symbol corresponding for the desiredmode.

NOTE: The arrow on the mode selector dial

4

must be pointing

at a mode symbol at all times. There are no operable positions

inbetween. It may be necessary to briefly run the motor after

having changed from 'hammering only' to 'rotary' modes in

order to align thegears.

Performing an Application (Fig. A, E)



WARNING: Always wait until the motor has come to

a complete standstill before changing the direction

ofrotation.

1. Choose and install the appropriate chuck, adapter, and/or

bit onto to the tool. Refer to Bit and BitHolder.

2. Using the mode selector dial

4

, selectthe mode

appropriate to desired application. Refer to

OperationModes.

3. Adjust the side handle

2

asnecessary.

4. Place the bit/chisel on the desiredlocation.

5. Depress the trigger switch

1

6. To stop the hammer, release theswitch.

Recommendations for Tool Operation

• When drilling, always apply pressure in a straight line with

the bit, but do not push hard enough to stall the motor or

deflect thebit. A smooth even flow of material indicates the

proper drillingrate.

• Your hammer can be used for dry diamond drilling into

masonry up to 100 mm. For diamond drilling above this

diameter in masonry and regular large diameter diamond

drilling in masonry and concrete, we advise the use of

a dedicated diamond core drill. Follow the core bit or

manufacturer’s recommendations for using the accessory.

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DeWalt D25481 Seite 22

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