This comprehensive Hitachi ZX 330-5G, 330LC-5G, 350H-5G, 350LCH-5G, 350K-5G, and 350LCK-5G Hydraulic Excavator Service Repair Workshop Manual provides detailed instructions and illustrations for servicing and repairing your machine. It is specifically designed for both DIY enthusiasts and experienced mechanics. The manual covers a wide array of topics, including: **General Information:** Safety precautions for disassembling and reassembling components, tightening torque specifications, painting procedures, air bleeding techniques, pressure release procedures, and preparatory steps. **Maintenance Standards:** Detailed guidance on maintaining the upperstructure, undercarriage, and front attachment of your excavator. **Upperstructure:** Comprehensive information on the cab, counterweight, main frame, engine, hydraulic oil tank, fuel tank, pump device, control valve, swing device, pilot valve, solenoid valve, and signal control valve. **Undercarriage:** Detailed instructions for servicing the swing bearing, travel device, center joint, track adjuster, upper and lower rollers, and track. **Front Attachment:** Comprehensive guidance on the front attachment, cylinder, and other related components. This manual is a valuable resource for anyone seeking to perform maintenance or repairs on their Hitachi ZX 330-5G, 330LC-5G, 350H-5G, 350LCH-5G, 350K-5G, or 350LCK-5G Hydraulic Excavator. With its step-by-step instructions and hundreds of illustrations, it provides the detailed information needed to tackle any repair task effectively.

The Hitachi ZX330-5G, 330LC-5G, 350H-5G, 350LCH-5G, 350K-5G, and 350LCK-5G hydraulic excavators are powerful and versatile machines designed for a wide range of construction, demolition, and earthmoving applications. These models boast impressive digging forces, lifting capacities, and operating ranges, making them ideal for heavy-duty tasks. The -5G series signifies a significant upgrade over previous generations, featuring advanced technologies that optimize performance, efficiency, and operator comfort. The ZX330-5G and 330LC-5G models are primarily focused on general-purpose excavation, while the 350H-5G, 350LCH-5G, 350K-5G, and 350LCK-5G models cater to specialized applications like heavy lifting, demolition, and material handling. The -H and -K variants are designed for enhanced stability and lifting capacity, while the -LC and -LCK models feature long undercarriages ideal for working in confined spaces or on uneven terrain. Common features across the series include powerful engines, efficient hydraulic systems, rugged construction, advanced operator cabs with ergonomic controls, and various optional attachments, enabling the machines to tackle a wide array of tasks effectively.