Screw plug for Demag AC80-1

The screw plug, identified by part number 180 477 40, functions as a sealing component within the hydraulic and lubrication circuits of the Demag AC80-1 crane. It is installed in hydraulic blocks, fluid tanks, machinery housings, and piping assemblies to close off access points securely. By creating a tight seal, the plug prevents the loss of hydraulic fluid and protects the internal environment of the system from the ingress of external contaminants such as dirt and moisture. This maintenance of system integrity is necessary to preserve the operating pressure and ensure the cleanliness of the fluid media throughout the machine.

This component is specifically engineered for the Demag AC80-1 crane model. It facilitates access to designated drain, fill, or inspection points on the machine, which supports routine maintenance and service procedures. Screw plugs of this type are used across various heavy machinery applications to manage fluid containment and provide entry points for system diagnostics. Their primary role is to maintain a closed-loop environment, which is required for the efficient operation of hydraulic actuators and lubrication lines. Proper installation of these plugs ensures that the fluid systems remain free from leaks and external debris during operation.