This comprehensive workshop service repair manual for the Hitachi ZAXIS ZX 210W and ZX 220W hydraulic excavators offers a detailed guide to maintaining and repairing these powerful machines. Covering models ZX 210W-3 and ZX 220W-3, this manual includes in-depth information on the 5.2L 4-cylinder, 4-cycle, water-cooled, turbocharged Isuzu 4HK1 engine. The manual is organized into sections for easy navigation and provides clear, step-by-step instructions for each procedure. The manual begins with general information and essential precautions, followed by detailed sections on disassembling and assembling components, tightening torque specifications, and the painting system. You'll find information on bleeding air from the hydraulic oil tank, as well as comprehensive coverage of the upperstructure, cab, counterweight, main frame, pump device, control valve, swing device, pilot valve, electric lever, signal control valve, travel shockless valve, solenoid valve, pilot shut-off solenoid valve, steering valve, brake valve, accumulator charging valve, undercarriage, swing bearing, travel motor, center joint, transmission, axle, axle lock cylinder, operate-check valve, solenoid valve, transmission changeover solenoid valve, propeller shaft, and front attachment systems. The manual also provides detailed information on the engine's mechanical systems, including cooling, fuel, electrical, exhaust, turbocharger, engine control, and fuel injection systems. Detailed circuit diagrams for each system are included. This manual offers the information needed for professionals and DIYers to perform repairs, maintenance, and troubleshooting.

The Hitachi ZAXIS ZX 210W and ZX 220W excavators are powerful and versatile machines designed for a wide range of construction and earthmoving applications. These models, specifically the ZX 210W-3 and ZX 220W-3, are known for their robust construction, advanced technology, and operator comfort. The ZX 210W boasts an operating weight of around 21.5 tons and is powered by a 108 kW (145 hp) engine, while the ZX 220W has an operating weight of approximately 22.5 tons and is equipped with a 118 kW (160 hp) engine. Both models feature a spacious and ergonomic cab, providing operators with excellent visibility and a comfortable working environment. The Hitachi ZAXIS ZX 210W and ZX 220W excavators incorporate several advanced features that enhance productivity and efficiency. These include a hydraulic system designed for smooth and precise control, a boom and arm configuration that offers excellent reach and digging force, and a variety of attachments for tackling diverse tasks. The advanced technology also extends to safety features, such as a comprehensive monitoring system, and an electronically controlled hydraulic system. The ZX 210W-3 and ZX 220W-3 models are also known for their fuel efficiency and low emissions, making them suitable for environmentally conscious projects. These excavators are ideal for a multitude of applications, including general construction, road construction, landscaping, and utility work. Their durability, performance, and advanced features make them a popular choice for contractors and operators seeking reliable and efficient heavy equipment.