This manual covers the DAEWOO DOOSAN EXCAVATOR DH SERIES, providing comprehensive information for its operation and maintenance. Designed for reliability and efficiency, these excavators are engineered to meet demanding construction and industrial needs. This document serves as an essential resource for understanding the intricacies of the DH Series, ensuring optimal performance and longevity. The scope of this manual is extensive, encompassing detailed procedures for general maintenance, troubleshooting, and repair of key systems including the engine, transmission, brakes, electrical systems, and hydraulics. It also includes critical information on specifications, safety guidelines, operating procedures, and transportation. Owners, mechanics, and technicians will find this manual invaluable for diagnosing issues, performing routine service, and ensuring the safe and effective operation of their DAEWOO DOOSAN EXCAVATOR DH SERIES equipment.