Contents: Master cylinder ↓ Slave cylinder ↓
Master cylinder
When disassembling the master cylinder, remove the protective rubber cap 17 (see fig. 61) from the end of the cylinder body and the retaining ring 18, then remove the piston 8, the sealing ring 7, the piston 6, the sealing ring 20 and the piston return spring 23 from the body.
The cylinder bore and the outer surface of the piston must be free of damage and corrosion. Small nicks or pitting corrosion detected are removed by cleaning with a fine-grained grinding stone. The condition of the piston return spring is checked and replaced if it has cracks or has lost elasticity. The sealing rings are replaced. The protective cap is checked. If it is damaged, it is replaced with a new one.
Before assembly, carefully clean and wash the parts with the liquid used to fill the clutch drive. Do not allow mineral oil, gasoline, kerosene or diesel fuel to come into contact with the parts, as these substances will cause the rubber seals to swell.
After checking all the parts, the master cylinder is assembled in the reverse order of disassembly. In this case, all parts are lubricated only with the fluid used for the hydraulic drive.
Slave cylinder
When disassembling the working cylinder, remove the protective cap 12 (see fig. 62) together with the pusher 4, remove the piston and disassemble it, having first removed the retaining ring 18.
After disassembly, wash the parts and check them as specified for the master cylinder. A deformed tappet must not be installed. After checking, proceed to assembly (reverse order of disassembly), lubricating the parts with hydraulic fluid.