ENGLISH
9
  •  Release the safety lock and check that the 
modes selector switch is locked in place.
 
 WARNING: Do not select the operating 
mode when the tool is running.
Indexing the chisel position
The chisel can be indexed and locked into 
51 different positions.
  •  Rotate the mode selector switch (4) until it 
points to the “bit rotation” position.
  •  Rotate the chisel in the desired position.
  •  Set the mode selector switch (4) to the 
“hammering only” position.
  •  Twist the chisel until it locks in position.
Inserting and removing SDS-plus® 
accessories (fi g. C)
This tool uses SDS-plus® accessories (refer to the 
inset in fig. B for a cross-section of an SDS-plus® 
bit shank).
We recommend to use professional accessories 
only.
  •  Clean and grease the bit shank.
  •  Insert the bit shank into the tool holder (6).
  •  Push the bit down and turn it slightly until it fits 
into the slots.
  •  Pull on the bit to check if it is properly locked. 
The hammering function requires the bit to be 
able to move axially several centimetres when 
locked in the tool holder.
  •  To remove a bit pull back the tool holder locking 
sleeve (12) and pull out the bit.
Fitting the side handle (fi g. D)
The side handle (10) can be fitted to suit both 
RH- and LH-users.
   WARNING: Always use the tool with 
the side handle properly assembled.
  •  Loosen the side handle.
  •  For RH-users, slide the side handle clamp over 
the collar behind the tool holder, handle at the 
left.
  •  For LH-users, slide the side handle clamp over 
the collar behind the tool holder, handle at the 
right.
  •  Rotate the side handle to the desired position 
and tighten the handle.
Setting the drilling depth (fi g. E)
  •  Insert the required drill bit as described above.
  •  Press the depth stop clamp (11) and keep it 
depressed.
  •  Fit the depth adjustment rod (9) through the 
hole in the depth stop clamp.
  •  Adjust the drilling depth as shown.
  •  Release the depth stop clamp.
Forward/reverse slider (fi g. F1 & F2)
D25102(K)/D25103K/D25104K (FIG. F1)
  •  Push the forward/reverse slider (3) to the 
RH-side for forward (RH) rotation. See arrows 
on tool.
  •  Push the forward/reverse slider (3) to the 
LH-side for reverse (LH) rotation.
D25203K (FIG. F2)
  •  Push the forward/reverse slider (3) to the 
LH-side for forward (RH) rotation. See arrows 
on tool.
  •  Push the forward/reverse slider (3) to the 
RH-side for reverse (LH) rotation.
   WARNING: Always wait until the motor 
has come to a complete standstill 
before changing the direction of rotation.
Fitting the chuck adapter and chuck 
D25102(K)/D25103K/D25203K 
  •  Screw the chuck onto the threaded end of the 
chuck adapter.
  •  Insert the connected chuck and adapter in the 
tool as though it were a standard SDS-plus® 
bit.
  •  To remove the chuck, proceed as for removing 
a standard SDS-plus® bit.
   WARNING: Never use standard chucks 
in the hammer drilling mode.
Replacing the tool holder with the 
chuck (fi g. G)
D25104K 
  •  Turn the locking collar (8) into the unlocking 
position and pull the tool holder (6) off.
  •  Push the chuck (13) onto the spindle and turn 
the locking collar into the locking position.
  •  To replace the chuck with the tool holder, first 
remove the chuck the same way as the tool 
holder was removed. Then place the tool holder 
the same way as the chuck was placed.