Back-up ring for Terex HC230

The back-up ring, identified by part number 0782 146 08, serves as a support component within the hydraulic sealing assemblies of the Terex HC230 crane. It is engineered to be used alongside primary seals, such as O-rings, to prevent the primary seal from extruding into the clearance gap between mating surfaces under high-pressure conditions. By providing a rigid backing, this component ensures the primary seal remains correctly positioned within its housing, preventing deformation and potential fluid leakage in critical hydraulic circuits.

This component is compatible with the Terex HC230 model. It is utilized in various hydraulic applications across the machine, including cylinders, valves, and fluid connections, where maintaining consistent system pressure is necessary for operation. The back-up ring plays a specific role in stabilizing the sealing environment, which is essential for the overall functionality of the hydraulic systems found in heavy lifting equipment. By preventing seal extrusion, it helps maintain the operational parameters of the hydraulic circuits during standard crane functions.