1. Put a hose on the head of the fitting of the working cylinder, and connect its free end to a device for bleeding hydraulic systems, adjusted to the minimum pressure.
2. Remove some of the fluid from the hydraulic reservoir.
3. Turn off the fitting and check whether the fluid level in the hydraulic drive reservoir rises. After disengaging the clutch, tighten the fitting.
4. After removing air from the hydraulic drive, check the fluid level in the tank and add it if necessary.