This comprehensive Workshop Service Repair Manual for the Hitachi ZX 210W-3 and ZX 220W-3 Excavators is a valuable resource for both professional mechanics and DIY enthusiasts. It provides detailed instructions and diagrams to guide you through a wide range of repairs and maintenance procedures. The manual covers a wide spectrum of components, starting with general information and safety precautions. You'll find specifications and data, tightening torque values, and a guide to using special service tools. Detailed maintenance procedures are outlined, along with troubleshooting steps for diagnosing issues. The manual delves into the intricacies of the excavator's systems, including the hydraulic cylinder, upperstructure system, counterweight system, main frame and structure, pump device system, solenoid valve, pilot pump system, control valve system, swing device, parking brake releasing valve, pilot valve system, pilot shut-off valve, signal control valve, undercarriage system, swing bearing system, travel reducer system, travel motor system, brake valve system, positioning control valve, center joint system, track adjuster system, front idler system, electric lever system, accumulator charge valve, transmission system, axle lock cylinder system, hose rupture valve, upper and lower roller, front attachment, arm-bucket-boom connection, cylinder system, engine system, lubricating system, fuel system, cooling system, fuel injection, turbocharger system, engine tuning system, engine electrical system, starter motor system, and more. Extensive troubleshooting information is included, along with detailed hydraulic and electrical circuit diagrams. The manual's well-structured content, high-definition diagrams, and thorough instructions make it an invaluable tool for anyone seeking to maintain and repair Hitachi ZX 210W-3 and ZX 220W-3 excavators.

## Hitachi ZX 210W-3 and ZX 220W-3 Excavators: Powerful and Reliable Workhorses The Hitachi ZX 210W-3 and ZX 220W-3 excavators are robust and versatile machines designed for demanding construction and earthmoving applications. They are part of Hitachi's renowned series of excavators known for their reliability, durability, and operator comfort. Both models share a common chassis and engine, offering similar performance and capabilities. The ZX 210W-3 boasts a powerful 130.5 kW (175 hp) engine, while the ZX 220W-3 features a slightly more powerful 137 kW (184 hp) engine, providing ample power for a variety of tasks. These machines are equipped with advanced hydraulic systems that deliver precise control and efficient operation. Their sturdy construction and heavy-duty components ensure long lifespan and minimal maintenance requirements. The ZX 210W-3 and ZX 220W-3 are designed with operator comfort and safety in mind. The spacious and ergonomically designed cab offers excellent visibility and a comfortable working environment. The operator controls are intuitive and easy to operate, reducing operator fatigue during long shifts. These excavators feature a comprehensive safety system, including emergency shut-off switches, warning lights, and a robust ROPS/FOPS structure, ensuring operator safety in challenging working conditions. The ZX 210W-3 and ZX 220W-3 are highly versatile machines adaptable to various attachments, allowing them to perform a wide range of tasks, including digging, loading, grading, and demolition. Their maneuverability and excellent ground clearance enable them to work effectively in confined spaces and challenging terrains.