2. Remove the screws securing the caliper guides and remove the caliper guides.
3. Remove brake shoes together with springs.
4. Unscrew the bleeder valve from the brake caliper housing.
Attention! Do not try to catch the piston pushed out by the compressed air. Under the action of compressed air, the piston flies out at high speed and can injure fingers.
Important: install a wooden block in the caliper body.
5. Use compressed air to push the piston out of the caliper body.
6. Remove the brake caliper piston outer boot.
7. Remove the inner seal from the caliper body cavity.
8. Assembly is carried out in the reverse order.