User Manual

12
ENGLISH
7. When drilling through astructure thicker than the depth of
the core bit, break away the round cylinder of concrete or
core inside the bit at regular intervals. To avoid unwanted
breaking away of concrete around the hole, first drill ahole
the diameter of the center drill completely through the
structure. Then drill the cored hole halfway from eachside.
8. Always switch off the tool when work is finished and
beforeunplugging.
Rotary Drilling (Fig. A)
1. Hold down the mode selector button
5
then set the mode
selector switch
4
to the “rotary drilling”position.
2. Depending on your tool, follow either of the following
instructions:
- D25032, D25033, D25133, D25143, D25263: Fit the
chuck adapter/chuckassembly.
- D25134, D25144: Replace the
SDS Plus tool holder with the keylesschuck.
3. Proceed as described forhammerdrilling.

WARNING: Never use standard chucks in the
hammerdrillingmode.
Screwdriving (Fig. A)
1. Hold down the mode selector button
5
then set the mode
selector switch
4
to the rotary drillingposition.
2. Select the direction ofrotation.
3. Depending on your tool, follow either of the following
instructions:
- D25032, D25033, D25133, D25143, D25263: Insert
the special SDS Plus screwdriving adaptor for use with
hexagonal screwdriverbits.
- D25134, D25144: Replace the SDS Plus tool holder
with the keyless chuck
4. Insert the appropriate screwdriver bit. When driving slotted
head screws always use bits with afindersleeve.
5. Gently press the variable speed switch
1
to prevent
damage to the screw head. In reverse (LH) rotation the tool
speed is automatically reduced for easy screwremoval.
6. When the screw is flush with the workpiece, release the
variable speed switch to prevent the screw head from
penetrating into theworkpiece.
Chipping and Chiselling (Fig. A)
D25033, D25133, D25134, D25143,
D25144, D25263
1. Hold down the mode selector button
5
then set the mode
selector switch
4
to the “hammering only”position.
2. Insert the appropriate chisel and rotate it by hand to lock it
intoposition.
3. Adjust the side handle
8
asrequired.
4. Switch on the tool and startworking.
5. Always switch off the tool when work is finished and
beforeunplugging.

WARNING:
• Do not use this tool to mix or pump easily combustible
or explosive fluids (benzine, alcohol, etc.).
• Do not mix or stir in flammable 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 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.
• This machine is not user-serviceable. Take the tool to
an authorised
DeWALT repair agent after approximately
40 hours of use. If problems occur before this time contact
an authorised DeWALT repairagent.
• The tool will automatically switch off when the carbon
brushes areworn.
Motor Brushes
DeWALT uses an advanced brush system which automatically
stops the drill when the brushes wear out. This prevents serious
damage to the motor. New brush assemblies are available
at authorised
DeWALT service centers. Always use identical
replacementparts.
Lubrication
Your power tool requires no additionallubrication.
Accessories and attachments used must be regularly lubricated
around the SDS Plusfitment.
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.
Optional Accessories

WARNING: Since accessories, other than those offered by
DeWALT, have not been tested with this product, use of such
accessories with this tool could be hazardous. To reduce
the risk of injury, only DeWALT recommended accessories
should be used with thisproduct.