This manual covers the Daewoo Doosan Solar 015 Plus and Solar 018-VT excavators. These machines are engineered for robust performance and reliability in various construction and earthmoving applications. Their design emphasizes efficient operation and durability, making them a valuable asset for any project requiring powerful and precise excavation capabilities. This comprehensive guide provides detailed electrical and hydraulic schematics for specific serial number ranges of the Daewoo Doosan Solar 015 Plus and Solar 018-VT excavators. It is an essential resource for owners, technicians, and mechanics to understand the complex systems of these machines. By referencing the clear diagrams and information within, users can effectively diagnose issues, perform maintenance, and ensure the optimal performance and longevity of their equipment.