Back-up ring for Terex HC230

The back-up ring, identified by part number 0762 136 45, serves as a support component within the sealing assemblies of the Terex HC230 crane. It is installed alongside dynamic seals, such as O-rings or rod seals, to prevent them from deforming or extruding out of their grooves when subjected to high operating pressures. By maintaining the integrity of the primary seal, this component helps ensure the overall functionality of the hydraulic or pneumatic systems where it is applied.

This component is specifically compatible with the Terex HC230 model. It is typically positioned on the low-pressure side of the primary seal to provide the necessary mechanical containment. The reference Gl45-T3 is noted in relation to this part, which may correspond to specific material or hardness specifications required for the HC230 crane environment.

In heavy machinery, back-up rings are used in hydraulic cylinders, valves, and various fluid power components. Their primary function is to allow the primary seal to operate effectively under significant pressure loads, thereby maintaining system pressure and preventing fluid leaks. Proper installation of these rings is necessary for the continued operation of the crane's hydraulic systems.