This manual pertains to the Doosan Daewoo Excavator V Series, a line of excavators designed for demanding construction and industrial applications. Renowned for their robust engineering and operational efficiency, these machines are built to deliver reliable performance across a wide range of tasks. The V Series represents a commitment to powerful hydraulics and advanced electrical systems, ensuring optimal productivity and durability in challenging environments. The purpose of this comprehensive manual is to provide detailed technical information for the maintenance and repair of the Doosan Daewoo Excavator V Series. It covers essential areas including electrical circuits and hydraulic circuits for various models and serial number ranges. This resource is intended for owners, technicians, and mechanics, offering the necessary guidance to perform diagnostics, service procedures, and ensure the continued optimal functioning of the equipment.