This manual covers the Hitachi Zaxis series excavators, including models ZX240-3, Zaxis 240-3, Zaxis 240LC-3, Zaxis 250H-3, Zaxis 250LC-3, Zaxis 250LCN-3, Zaxis 250LCH-3, Zaxis 250K-3, and Zaxis 250LCK-3. These excavators are engineered for robust performance and reliability, featuring a liquid-cooled diesel engine and a hydrostatic transmission. With an approximate operating weight of 24,000 kg, they are designed for demanding construction and earthmoving applications. The operator station is equipped with a ROPS/FOPS cabin for enhanced safety, and the hydraulic system includes a variable displacement piston pump and a hydraulic pilot-operated control valve. This comprehensive Service Repair Workshop Manual in English provides essential information for the maintenance and repair of your Hitachi Zaxis excavator. It details critical procedures, technical specifications, and safety guidelines to ensure optimal performance and longevity. Key areas covered include fluid capacities for engine oil, coolant, hydraulic oil, and fuel, along with guidance on service intervals. The manual is designed to assist owners, mechanics, and technicians in performing routine maintenance, troubleshooting issues, and executing necessary repairs effectively.