SACHS I-Shift Clutch Cylinder for Volvo VNL / Volvo D13

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Working principle and purpose of clutch slave cylinder.

After a braking operation, the master cylinder generates thrust force that pumps the hydraulic oil into the clutch cylinder slave. Under the action of the hydraulic force, the piston inside the slave cylinder begins to move and push the brake block.

The clutch master cylinder and slave cylinder are designed as two hydraulic cylinders. The master cylinder has oil inlet and outlet pipes, while the slave cylinder only has one pipe. Once the clutch is pressed, the pressure in the master cylinder is transmitted to the slave cylinder, causing the latter to run. The clutch fork disengages the clutch compressing disc and the clutch cover from the flywheel, allowing gear shifting. After the clutch is released, the slave cylinder stops operation. The clutch compressing disc and the clutch cover engage with the flywheel and enable continued power transmission. The oil in the slave cylinder will flow back to the oil reservoir.

Main purpose of the clutch slave cylinder: It serves the main purpose of pushing the brake block and causing it to rub against the brake drum to decelerate and stop the car.