Demag
Safety washer for Demag AC80-1
This safety washer is designed for use in the Demag AC80-1 crane to maintain the integrity of bolted connections. It functions as a spring-type locking element to prevent fasteners from loosening during operation.
Parts diagram
Compatible models
Specifications
- Part number
- 509 768 98
- Brand
- Demag
The 509 768 98 safety washer, also referred to as a Federring, acts as a spring-loaded locking device within the bolted assemblies of the Demag AC80-1. By exerting a constant preload force on the joint, this component helps maintain the necessary tension to prevent nuts and bolts from rotating or backing out due to operational vibrations or thermal expansion.
This part is compatible with the Demag AC80-1 crane and is utilized across various structural, chassis, and system mounting points. Proper installation of this washer is required to ensure that fasteners remain secure throughout the machine's service life, supporting the overall stability of the assembly.
In heavy machinery, spring washers are used to provide a locking action on threaded fasteners. They compensate for slight loosening and maintain clamp load in applications where joints may be subject to dynamic loads or fluctuating conditions. By preventing the loss of tension in bolted connections, these washers help maintain the structural alignment of machine components.