Manual DeWalt DCH481 (page 34 of 144) (English, German, Dutch, Danish, French, Italian, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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ENGLISH

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 side handle,

with the other hand on the mainhandle. Hold tool firmly with

both hands to control the twisting action of thedrill.

Operation Modes (Fig. A, E)

WARNING: Do not select the operating mode when the

tool isrunning.

Your tool is equipped with a mode selector dial5 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6.

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

symbol corresponding with the desiredmode.

NOTE: The mode selector5 must be in rotary drilling, rotary

hammering or hammering only mode 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, F)

WARNING: TO REDUCE THE RISK OF PERSONAL

INJURY, ALWAYS ensure workpiece is anchored or

clamped firmly. If drilling thin material, use a wood “back-

up” block to prevent damage to thematerial.

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Holders.

2. Using the mode selector dial5, selectthe mode

appropriate to desired application. Refer to

OperationModes.

3. Adjust the side handle3 asrequired.

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

5. Depress the trigger switch4.

NOTE: Depending on your tool, depressing the trigger

switch activates a worklight 10 designed to illuminate the

immediate work surface. Refer to Description. The worklight

will automatically turn off 20 seconds after the trigger

switch isreleased.

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.

NOTE: Always use core bits with integral centredrill systems

and ensure the RPM (speed) of the hammer does not

exceed the maximum rated RPM of the diamondcore.

-Insert the centredrill into its holder in the centre of the

corebit.

-Remove and unplug themachine.

-Remove the centredrill from itsholder.

-Plug the machine in and insert the core bit into

theworkpiece.

WARNING:

• Do not use this tool to mix or pump easily combustible

or explosive fluids (benzine, alcohol, etc.).

• Do not mix or stir inflammable liquids

labelledaccordingly.

MAINTENANCE

Your

DeWALT

power tool has been designed to operate

over a long period of time with a minimum of maintenance.

Continuous satisfactory operation depends upon proper tool

care and regularcleaning.

WARNING: To reduce the risk of serious personal

injury, turn tool off and disconnect battery pack

before making any adjustments or removing/

installing attachments or accessories. An accidental

start-up can causeinjury.

The charger and battery pack are notserviceable.

Lubrication

Your power tool requires no additionallubrication.

Cleaning

WARNING: Blow dirt and dust out of the main housing

with dry air as often as dirt is seen collecting in and around

the air vents. Wear approved eye protection and approved

dust mask when performing thisprocedure.

WARNING: Never use solvents or other harsh chemicals

for cleaning the non-metallic parts of the tool. These

chemicals may weaken the materials used in these parts.

Use a cloth dampened only with water and mild soap.

Never let any liquid get inside the tool; never immerse any

part of the tool into aliquid.

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DeWalt DCH481 Manual

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