If the brake rotor on the drive is thinner than permitted, the brake rotor must be replaced. When replacing the brake rotor, it is recommended that the anchor plate be replaced as well.

The illustrations show replacement of the components on a drive of size 80. Replacement on larger or smaller drives is carried out in the same way.

   Unscrew and remove screws (4x).

   Take off the fan cover.

   Unscrew and remove the hexagon head screws (3x).

   Take off the magnet body.

   Unplug the plug-in connection on the magnet body.

   Pull the brake rotor from the hub.

   Clean the entire brake with compressed air.

If necessary:

If necessary or required, the friction disc can now be removed and a new one fitted.

   Loosen the fillister-head screws (3x).

   Take the friction disc off.

   Attach a new friction disc.

   Tighten the fillister-head screws (3x).

If necessary:

If necessary or required, the hub can now be removed and a new one fitted.

   Remove the circlip.

   Only with size 80/112: Take off the distance rings (2x).

   Pull off the hub.

●   The feather key on the motor shaft is clamped to the motor shaft.

   Slide the new hub over the feather key onto the shaft.

   Only with size 80/112: Slide distance rings (2x) up.

   Attach circlip.

   Push the new brake rotor onto the hub.

   Attach the magnet body and bolt it on until hand-tight.

   Adjust the brake. See Adjusting the air gap at the brake on the drive with the helical gear unit.

   Attach fan cover.

   Tighten screws (4x).