This manual covers the Daewoo Doosan Solar 55-V Plus Excavator, serial number 1001 and up. It is designed to provide comprehensive information for maintaining, assembling, disassembling, and servicing this model. The manual emphasizes the vehicle's engineering quality and reliability, offering detailed specifications, diagrams, and photographic illustrations to guide users through all repair and maintenance procedures. The scope of this manual is extensive, encompassing safety guidelines, general maintenance procedures, standard torques, and detailed sections on the upper and lower structures, engine, drivetrain, hydraulics, and electrical systems. It also includes specific information on attachments like the bucket. This resource is intended for owners, mechanics, and technicians, enabling them to effectively troubleshoot issues and perform necessary repairs and maintenance to ensure the optimal performance and longevity of the Daewoo Doosan Solar 55-V Plus Excavator.