Remove the pressure levers and their springs, and then the caliper 7 assembled with the block 1. Remove the brake pads 2.
Remove cylinder block 1 from the caliper grooves, spreading the caliper grooves to 118.5 mm. Remove dust caps 3 from the cylinders (Fig. 6-15).
Fig. 6-15. Front brake parts: 1 - shoe guide; 2 - brake caliper; 3 - piston protective cap; 4 - sealing ring; 5 - cylinder block; 6 - brake pads; 7 - brake disc; 8 - Front brake protective cover; 9 - caliper protective cover; 10 - air bleed nipple; 11 - brake hoses; 12 - cylinder block retainer; 13 - retainer spring, 14 - piston; 15 - spring of the pressure lever; 16 - pressure lever; 17 - cotter pin; 18 - clamping lever axis
By forcing a stream of compressed air through the brake fluid inlet, push pistons 14 out of the cylinder block and remove sealing rings 4.
Assemble the front brake in the reverse order of disassembly. Lubricate the sealing rings, pistons and cylinder mirrors with brake fluid during assembly, and place DT-1 grease under the protective caps.