Removal
1. Remove the rear brake disc.
2. Remove the brake shoe pressure springs by pressing on the cap and turning it 90° (photo).
9.2 Rear Disc Brake Handbrake Parts
1. Pins of pressure springs; 2. Brake shield; 3. Regulator; 4. Adjusting spring; 5. Contact surfaces; 6. Thrust washer; 7. Spring; 8. Cap of the pressure spring; 9. Spring; 10. Spacer
3. Move the pads away from the brake shield (photo), remove the two springs, guide and spacer.
4. Spread the pads at the top and remove them from the axle flange, disconnect the handbrake cable from the lever
5. Remove the spring and regulator, wash the parts in solvent and lubricate the threaded part with consistent grease.
6. If the pads are being changed, install the handbrake slave lever onto the new pad.
9.3 Release the pads, push towards you and remove the return springs
Installation
7. Hook the regulator spring onto the shoe and install the regulator. Make sure that the grooves on the regulator fit into the ends of the shoes.
9.7 Lubrication points on the brake shield
8. Lightly lubricate the areas of the pads that come into contact with the brake shield (photo).
9. Attach the cable to the lever on the shoe.
10. Spread the pads and install them, pressing them against the brake shield. Install the spacer.
11. Install the brake shoe pressure springs and secure with caps by turning them 90°.
12. Install the springs and guide.
13. Install the disc on the axle flange and secure it by screwing on two wheel nuts. Install the cylinder and caliper.
Adjustment
14. Check that the handbrake is completely released. Remove the plug in the shield and, inserting a screwdriver, rotate the regulator by the teeth until the shoe touches the disc drum (photo).
9.14 Remove the plug and use a screwdriver to turn the adjuster by the teeth until the shoe touches the disc drum, then turn the adjuster back 7-8 clicks
1. Regulator plug; 2. Screwdriver
15. Turn the regulator back 7-8 clicks and make sure that the disc rotates freely without touching the pad.
16. Put the plug back in place.