Replacing the brake rotor on the drive

If the brake rotor on the drive is thinner than permitted, the brake rotor must be replaced.

If additional parts need to be replaced: see Replacing the entire brake.

Taking off the fan cover


Fan cover	Rib screws

Unscrew the rib screws (3x) of the fan cover.

Take off the fan cover.

Only for fan blades on the motor shaft

Removing the fan blade

Circlip

Fan blade

Remove the circlip.

Remove the fan blade.

Only for auxiliary fans

Disassembling the auxiliary fan

Screws

	Auxiliary fan

Disconnect the power supply of the auxiliary fan.

Release the screws (2x) of the auxiliary fan.


Auxiliary fan

Take off the auxiliary fan.

	Mount

		Fillister-head screws M6x80

Release the fillister-head screws M6x80 (2x) of the mount and remove the mount.

Uncovering the brake

O-ring

Remove the O-ring.

Disassembling the magnet body

Magnet body

Hexagon head screws M6x70

Disconnect the power supply of the magnet body.

Release the hexagon head screws M6x70 (3x).

Pull the magnet body from the motor shaft.

Removing the old brake rotor

Brake rotor	Hub

Pull the brake rotor from the hub and from the motor shaft.

Installing the new brake rotor

Brake rotor	Hub

Slide the new brake rotor past the hub onto the motor shaft.

Mounting the magnet body

Only for fan blades on the motor shaft

Magnet body

Hexagon head screws M6x70

Slide the magnet body onto the motor shaft.

Screw on the hexagon head screws M6x70 (3x). 7 Nm.

Then the air gap must be readjusted. See Setting the air gap on the brake.

Connect the power supply of the magnet body.

Only for auxiliary fans

Hexagon head screw M6x70	Mount

	Fillister-head screws M6x80

Slide the magnet body onto the motor shaft.

Screw on the mount with the fillister-head screws M6x80 (2x). 10 Nm.

Screw on the hexagon head screw M6x70 (1x). 7 Nm.

Then the air gap must be readjusted. See Setting the air gap on the brake.

Connect the power supply of the magnet body.

Covering the brake

O-ring

Insert the O-ring.

Only for fan blades on the motor shaft

Fitting the fan blade

Circlip

Fan blade

Place the fan blade on the motor shaft.

Insert the circlip.

Only for auxiliary fans

Installing the auxiliary fan


Auxiliary fan

Place the auxiliary fan on the mount.

Fillister-head screws M4

	Auxiliary fan

Screw the auxiliary fan in place with the fillister-head screws M4 (2x). 1.5 Nm.

Connect the power supply of the auxiliary fan.

Closing the fan cover


Fan cover	Rib screws

Attach fan cover.

Screw in the rib screws (3x) of the fan cover.