Hydraulic cylinder back-up ring for Terex TX760B

The back-up ring, part number 6194625M1, serves as a support component within the hydraulic cylinder assembly of the Terex TX760B backhoe loader. It is specifically utilized within the side-shift bucket hydraulic subsystem, often associated with Wipro cylinder units. The component functions by providing a rigid mechanical base for primary seals, such as O-rings, which prevents them from extruding into the clearance gap between sealing surfaces during high-pressure operation.

By maintaining the position and shape of the primary seal, this back-up ring assists in preserving the integrity of the hydraulic circuit. It is intended for use in the bucket cylinder to ensure that the seal remains effective under the operational pressures encountered by the machine. Proper installation of this ring helps manage the clearance gap and supports the sealing system against deformation. Back-up rings are used in hydraulic systems to protect primary seals from damage caused by high-pressure fluid forces, ensuring the sealing element remains within its designated groove and continues to function as intended throughout the service cycle of the hydraulic cylinder.