Set the labyrinth disk (5) on the motor mounting flange (3) and press it firmly downwards until it lies flush on the motor mounting flange (3). It is clamped and centred by an O-ring.
2. Set the collecting vessel (8) onto the labyrinth disk (5). Make sure that the O-rings (6) and (7) are seated correctly in the corresponding grooves of the labyrinth disk (5).
3. Place the rotor (10) on the motor shaft (4) (Ä Chapter 4.1 ‘Impact rotor’ on page 22). The cut grooves on the bottom end of the rotor shaft have to point in the direction of the flattened sides of the motor shaft. The rotor is guided by a cylinder pin.