Starting Operation

The rotational direction switch (3) is used to change the rotational direction of the power tool. However, this is not possible while the on/off switch (5) is being pressed.

Clockwise rotation: To drill and drive in screws, slide the rotational direction switch (3) to the left.

Anti-clockwise rotation: To loosen or unscrew screws and nuts, slide the rotational direction switch (3) to the right.

Drilling and screwdriving

Set the selector switch (2) to the "drilling" symbol.

Impact drilling

Set the selector switch (2) to the "impact drilling" symbol.

The selector switch (2) clicks into place and can also be actuated when the motor is running.

  • You can press the gear selector switch (8) with the power tool off or on. You should not do this at full load or maximum torque, however.

You can preselect two speed ranges with the gear selector (8).

Gear I:

Low speed range; for working with a large drilling diameter or for screwdriving.

Gear II:

High speed range; for working with a small drilling diameter.

 

Gear

Maximum drilling diameter

1

> 100 mm

2

< 100 mm

Do not use annular cutters in hammer drilling mode.

Set the selector switch (2) to the "drilling" symbol.

To start the power tool, press and hold the on/off switch (5).

Press the lock-on button (4) to lock the on/off switch (5) in this position.

To switch off the power tool, release the on/off switch (5); or, if the switch is locked with the lock-on button (4), briefly press the on/off switch (5) and then release it.

The power tool is equipped with an overload clutch (anti-rotation) to limit high torque reactions.

  • If the application tool jams or snags, the power transmission to the drill spindle will be interrupted. Always hold the power tool firmly with both hands to withstand the forces this may create and adopt a position with stable footing.
  • Switch the power tool off immediately and remove the application tool if the power tool becomes blocked. Switching on when the drilling tool is blocked may cause high torque reactions.

You can adjust the speed/impact rate of the power tool when it is on by pressing in the on/off switch (5) to varying extents.

Applying light pressure to the on/off switch (5) results in a low rotational speed/impact rate. Applying increasing pressure to the switch increases the speed/impact rate.

You can preselect the required speed/impact rate using the speed preselection thumbwheel (6), even during operation.

The required speed/impact rate is dependent on the material and the work conditions and can be determined by practical trials.

The restart protection feature prevents the power tool from starting unintentionally after the power supply to it has been interrupted.

To restart the tool, set the on/off switch (5) to the "off" position and then switch the power tool on again.