Start-up

The operating mode of the power tool is selected using the mode selector switch (5).

  • To change the operating mode, turn the mode selector switch (5) to the required position.

Note: Only change the operating mode when the power tool is switched off. Otherwise, the power tool may become damaged.

Note: If you switch to a different operating mode while the on/off switch is locked, the power tool will switch off.

Position for hammer drilling
If the application tool does not start rotating straight away, run the power tool slowly until the application tool starts rotating.

Vario-Lock position for changing the chiselling position

Position for chiselling

  • If necessary, release the lock-on button (7) for the on/off switch.
  • To switch on the power tool, press the on/off switch (9).

The worklight (11) lights up when the on/off switch (9) is lightly or fully pressed, allowing the work area to be illuminated in poor lighting conditions.

  • To switch off the power tool, release the on/off switch (9).

For low temperatures, the power tool reaches the full hammer/impact capacity only after a certain time.

You can adjust the speed/impact rate of the power tool when it is on by pressing in the on/off switch (9) to varying extents.

Applying light pressure to the on/off switch (9) results in a low rotational speed/impact rate. Applying increasing pressure to the switch increases the speed/impact rate.

You can also control the speed on the user interface and/or via a smartphone app: .

You can lock the chisel in 16 different positions, allowing you to select the optimum working position for each task.

  • Insert the chisel into the tool holder.
  • Turn the mode selector switch (5) to the "Vario-Lock" position.
  • Turn the application tool to the required chisel position.
  • Turn the mode selector switch (5) to the "chiselling" position. With this, the tool holder is locked.

To chisel for extended periods without pressing the on/off switch (9), lock the on/off switch in "chiselling" operating mode.

  • To lock the power tool, press the on/off switch (9) down fully whilst simultaneously pressing the lock-on switch (7).
  • To switch the lock off, press the lock-on button (7) again.