Adjustable pipe wrench for Demag AC80-1

The 101 399 99 adjustable pipe wrench is a manual tool included in the maintenance documentation for the Demag AC80-1 all-terrain crane. It features adjustable, serrated jaws designed to grip and turn pipes, large nuts, and fittings with round or irregular surfaces. This tool is intended for use during the maintenance and adjustment of hydraulic systems and fluid connections within the crane, where specialized access or specific grip requirements are necessary for proper service.

This component is listed for use with the Demag AC80-1. It serves as a manual adjustment tool to assist technicians in performing routine maintenance tasks on the machine's plumbing and mechanical assemblies. The adjustable mechanism allows the jaw opening to be adapted to various fastener and pipe diameters, providing versatility for different maintenance applications on the crane.

Pipe wrenches of this type are used in heavy machinery maintenance to provide the necessary leverage and grip on hydraulic lines and fittings. By allowing for a secure hold on rounded surfaces, they enable the controlled loosening or tightening of connections during system repairs or component replacements, ensuring that maintenance work can be performed effectively on the machine's hydraulic infrastructure.