Hitachi Zaxis 330 / 330LC / 350H / 350LCH / 370MTH Excavator Workshop Manual

Hitachi Zaxis 330/330LC/350H/350LCH/370MTH Technical Workshop Manual

• Covers 2005 Hitachi Zaxis 330, 330LC, 350H, 350LCH, and 370MTH hydraulic excavators, detailing maintenance and assembly procedures for upperstructure and undercarriage systems
• Official Hitachi Workshop Manual Vol. W1HH-E-01, published 2005
• Contains 752 pages including dozens of exploded-view diagrams, torque specifications, and system maintenance data
• Downloads to your account within seconds of checkout
• Re-download the file any time, no expiration
• Laid out for standard letter and A4 printing
• Full-text search finds any part number in seconds
• This specific edition provides the precise torque values and assembly clearances required for the KM-1HH-E series excavators

Component and Assembly Documentation

This 752-page workshop manual provides a detailed technical reference for the Hitachi Zaxis 330, 330LC, 350H, 350LCH, and 370MTH models. The content focuses on upperstructure and undercarriage disassembly and assembly, including specific data for the cab, counterweight, main frame, and pump devices. Sections are organized to assist with the teardown and reassembly of complex hydraulic components, such as control valves, swing devices, and pilot valves.

Additional chapters document specific installation procedures, ensuring that technicians have the correct specifications for hydraulic circuits and pressure systems. The manual also includes critical reference data for how factory workshop documentation is structured to assist with complex repairs. Maintenance standards and painting color codes are provided to ensure unit restoration meets the factory requirements.

Specification Highlights

Technical data includes comprehensive tightening torque charts for T, H, and M grade bolts, alongside specialized requirements for hydraulic hoses and piping. The pump device data confirms a total unit weight of 205 kg. Main pump weight is listed at 67 kg for service considerations. The counterweight mass is documented at 6800 kg for 330-series units and 7550 kg for the 350/370-series variants. The manual includes essential safety notes; always consult a certified technician before performing service on this equipment. This official 752-page Hitachi publication is the authoritative workshop reference for the 2005 Zaxis 330–370 series excavators, covering all structural assembly, hydraulic component integration, and technical specifications for the KM-1HH-E build.