Back-up ring for Terex HC230

The back-up ring 0758 717 11 serves as an auxiliary component within the hydraulic sealing systems of the Terex HC230 crane. It is positioned adjacent to primary seals, such as O-rings, to provide mechanical support and prevent the seal material from extruding into the clearance gap between mating surfaces during high-pressure operation. By maintaining the shape and structural integrity of the primary seal, this component helps ensure the overall effectiveness of hydraulic connections, valves, and cylinders within the machine.

This specific back-up ring is compatible with the Terex HC230 model. It is designed to function in systems where hydraulic fluid pressures are significant, helping to prevent leakage and maintain consistent operating pressure. Regular inspection and replacement of these rings are standard practices during hydraulic system maintenance to ensure the continued performance of the crane.

Back-up rings are used in various hydraulic applications to bridge the gap between moving or static parts. Their primary function is to support the primary seal, ensuring it remains in its correct position and shape when subjected to the forces exerted by pressurized hydraulic fluid.