Detailed electric and hydraulic schematic diagrams for the BW 120 AD-5 tandem vibratory roller. This document covers wiring layouts, electrical circuits, hydraulic system flow, and component connections for serial range 101880571001 to 101880579999. Ideal for technicians, engineers, and maintenance professionals who need accurate schematic references for troubleshooting, system understanding, and repair planning of tandem vibratory roller equipment.