ENGLISH
11
  •  Proceed as described for hammer drilling.
   WARNING: Never use standard chucks 
in the hammer drilling mode.
Screwdriving (fi g. A)
  •  Set the mode selector switch (4) to the “rotary 
drilling” position.
  •  Select the direction of rotation.
  •  Depending on your tool, follow either of the 
following instructions:
 – Insert the special SDS-plus® screwdriving 
adaptor for use with hexagonal screwdriver 
bits (D25102(K)/D25103K/D25203K).
 – Replace the tool holder with the chuck 
(D25104K).
  •  Insert the appropriate screwdriver bit. When 
driving slotted head screws always use bits with 
a finder sleeve.
  •  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.
  •  When the screw is flush with the workpiece, 
release the variable speed switch to prevent 
the screw head from penetrating into the 
workpiece.
D25103K/D25104K/D25203K 
Chipping and chiselling (fi g. A)
  •  Set the mode selector switch (4) to the 
“hammering only” position.
  •  Insert the appropriate chisel and rotate it by 
hand to lock it into one of 51 positions.
  •  Adjust the side handle (9) as required.
  •  Switch on the tool and start working.
  •  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 inflammable liquids 
labelled accordingly.
Various types of SDS-plus® drill bits and chisels are 
available as an option.
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
  •  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.
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 eye protection 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.