Removal
1. Remove the brake pads from the shield ("Rear brake pads - removal and installation") and brake cylinder (see "Rear Brake Slave Cylinder - Replacement").
2. Using an 8 mm Allen key, unscrew the four bolts securing the hub axle through the hole in the hub flange.
3. Passing the parking brake cable through the hole in the support shield, remove the axle assembly with the hub and shield.
4. Secure the shield in a vice with soft pads on the jaws. Using a large Phillips screwdriver and a ratchet, unscrew the two screws securing the shield.
5. Remove the shield from the hub axle.
Installation
1. Install the shield in reverse order.
2. Remove air from the hydraulic drive system ("Hydraulic brake drive - bleeding").
3. Adjust the parking brake system ("Parking brake - adjustment").