Arcos renovates all cylinders, whereby worn parts are repaired or newly manufactured. Following dismantling and inspection, a drawing is made of the cylinder to inform the customer of proposed measures prior to the commencement of production. On this kind of renovation there is a one-year warranty.

In conjunction with renovation, the cylinder is often modified with a better seal concept and bearing. All renovations/reconstructions are accompanied by a spare-parts list in which all components are numbered article by article for complete traceability.