Official Hitachi Zaxis 330, 330LC, 350H, 350LCH, 370MTH Excavator - Service Manual & Repair Procedures
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Sample pages from the Official Hitachi Zaxis 330, 330LC, 350H, 350LCH, 370MTH Excavator - Service Manual & Repair Procedures manual
Purchase Information
Hitachi Zaxis 330, 330LC, 350H, 350LCH, 370MTH KM-1HH-E Excavator Service Manual - Technical Specifications
- Document Number / Seller:
- 30763 / Brian Allen
- File Size:
- 12.86 MB
- File Type:
- Language:
- English
- Pages:
- 752
- Printable:
- Yes
- Estimated Download Time:
- 0.26 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Excavator
- Brand:
- Hitachi
- Reviewed and Approved:
- Dec 18, 2025
Hitachi Models and Parts Covered in this Excavator Manual
- Hitachi Zaxis 330
- Hitachi Zaxis 330LC
- Hitachi Zaxis 350H
- Hitachi Zaxis 350LCH
- Hitachi Zaxis 370MTH
Complete Manual Information
Hitachi ZAXIS 330, 330LC, 350H, 350LCH & 370MTH Service Manual (KM-1HH-E)
Keep your heavy equipment running at peak performance with the official Hitachi ZAXIS Service Manual (KM-1HH-E). This professional-grade technical library is the definitive resource for owners, fleet managers, and technicians working with the high-capacity ZAXIS excavator series. Whether you are performing routine maintenance or a complex hydraulic overhaul, this manual provides the factory-spec precision required to minimize downtime and ensure job site safety.
Comprehensive Model Coverage
This manual is meticulously engineered for the following Hitachi ZAXIS excavator models:
- ZAXIS 330 (2005)
- ZAXIS 330LC (2005)
- ZAXIS 350H (2005)
- ZAXIS 350LCH (2005)
- ZAXIS 370MTH (2005)
Serial Number Specific Support
To ensure 100% accuracy in your repair procedures, this manual includes critical technical differentiations based on machine serial numbers, particularly for hydraulic systems:
- Cylinder Disassembly & Assembly: Includes dedicated sections for units Up to Serial No. 33099 and updated procedures for units from Serial No. 33100 and up.
- Travel Device (ZAXIS 330/330LC/350H/350LCH): Specialized instructions for drive units Up to Serial No. 31357 and Serial No. 31358 and up.
Professional Shop Resource
The KM-1HH-E set is a complete technical reference divided into three specialized volumes to guide you through every stage of service:
- Technical Manual (Operational Principle): Master the activation and operational logic of all machine devices and systems.
- Technical Manual (Troubleshooting): Systematically diagnose issues using factory performance tests and logical fault-finding procedures.
- Workshop Manual: The ultimate "hands-on" guide for disassembly, assembly, maintenance standards, and specialized tool requirements.
High-Value Technical Data for Owners
- Precision Torque Specs: Eliminate guesswork with exact values, such as the 529.7 N·m (390 lbf·ft) requirement for boom and bucket cylinder head bolts.
- Component Weights for Safe Rigging: Essential data for shop safety, including the 460 kg (1010 lb) arm cylinder weight or the 1020 lb travel device assembly.
- Maintenance Standards: Detailed wear limits and allowable play for rods, bushings, and pins (e.g., 0.5 mm allowable limit for rod bend).
- Hydraulic Precision: Specific tightening torques for Union Joints and O-ring Seal Joints to prevent leaks and component damage.
This manual is the essential tool for any professional involved in the repair or upkeep of these Hitachi models, safeguarding the longevity and reliability of your excavator investment.
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Frequently Asked Questions - Hitachi Excavator Manual
What does this Hitachi manual cover?
This comprehensive service manual covers detailed repair procedures, maintenance schedules, troubleshooting guides, and technical specifications for Official Hitachi Zaxis 330, 330LC, 350H, 350LCH, 370MTH Excavator - Service Manual & Repair Procedures. It includes information for the following models: - Hitachi Zaxis 330 - Hitachi Zaxis 330LC - Hitachi Zaxis 350H - Hitachi Zaxis 350LCH - Hitachi Zaxis 370MTH.
Is this manual suitable for beginners?
Yes, this Hitachi manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Excavator maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (12.86 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your Hitachi Excavator manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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