Master Cylinder: Disassembly
Begin by compressing return spring and disengaging Spirolox ring. Using suitable tool (18G-1112) remove piston retaining circlip. Move piston in bore until nylon bearing and cap seal are free. Withdraw plain washer and using suitable tool (18G-1112) remove inner circlip. Extract primary and secondary piston assemblies with stop washer. Compress spring separating two pistons and drive out roll pin retaining piston link. Disassemble all rubber components and replace. Separate reservoir and replace seals. After removing and inspecting connector unions, fit copper gaskets.