Reassembly

1. Slacken the two screws fastening the brake caliper to its support bracket and remove it.
2. Retrieve the brake pads.

1. Remove the relief screw.
   • Using tool N° 1.822.108.000 (A), dis-assemble the piston (A), the protective boot (B) and the seal (C).

REASSEMBLY

1. Fit the seal ring in the caliper body.
2. Position the protective boot on the rear section of the piston.
3. Fit the piston and adjust the position using tool N° 1.822.108.000.

1. Partially tighten the relief screw.
2. Fill the caliper with the specified brake fluid until the fluid comes out of the hose connection hole free of air bubbles.

1. Lock the relief screw to the specified torque.
2. Assemble the hose and lock the connection to the specified torque.

15 ÷ 19 Nm
1.6 ÷ 1.9 kgm

4 ÷ 6 Nm
0.4 ÷ 0.6 kgm

CHECKS AND INSPECTIONS

• The piston and caliper body must not reveal signs of abrasion or seizing; if they do, change the caliper complete with piston.
• Always change the protective boot and seal.
• Make sure that the relief screw is not clogged.
• Check the hose for swellings and cracks.
• Change the brake pads if the thickness of the friction material is below 1.5 mm.
• Check the brake caliper support bracket for cracks and distorsion.
• If the automatic handbrake cable stroke adjustment device is not working properly, change the complete caliper.