Lockwasher for P&H 790BTC

The lockwasher, identified by part number 18ZD13, serves as a mechanical fastener within the P&H 790BTC crane assembly. Its primary function is to maintain the integrity of threaded joints by providing a locking force that resists the rotation of nuts and bolts. By preventing the loosening of fasteners, this component helps maintain the necessary preload in critical connections throughout the machine.

This component is specifically engineered for the P&H 790BTC truck crane. It is utilized in various sections of the machine, including structural assemblies, slewing mechanisms, boom systems, and undercarriage components where vibration and dynamic loads are present during operation. Proper installation of this washer is necessary to ensure that fasteners remain secure and to prevent the misalignment of components that can result from loose hardware.

Lockwashers are used throughout heavy machinery to provide a positive locking action or friction against the mating surfaces of fasteners. They are installed between the fastener head or nut and the surface of the component being secured. By resisting the loosening effects of operational vibrations, these washers help preserve the structural stability of the assembly and ensure that the equipment maintains its designed clamping force over time.