Remove the cylinder block 1 from the grooves of the caliper, spreading the grooves of the caliper to 118.5 mm for this and pressing the latch 12. Remove the dust caps 3 from the cylinders (pic. 6-14).
Pic. 6-14. Front brake details:
1 - guide pads; 2 - brake caliper; 3 - protective cap of the piston; 4 - sealing ring; 5 - cylinder block; 6 - brake pads; 7 - brake disc; 8 - protective cover of the caliper; 10 - fitting for removing air; 11 - brake hoses; 12 - cylinder block retainer; 13 - retainer spring; 14 - piston; 15 - pressure lever spring; 16 - clamping lever; 17 - cotter pin; 18 - axis of the clamping lever.
Using compressed air through the brake fluid inlet, push the pistons 14 out of the cylinder block and remove the O-rings 4.
Assemble the front brake in the reverse order of disassembly. During assembly, lubricate the sealing rings, pistons and cylinder mirror with brake fluid, and put DT-1 grease on the protective caps.