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

Technical reference covering the Hitachi Zaxis 330, 330LC, 350H, 350LCH, and 370MTH excavators. This manual details disassembly and assembly, tightening torque specifications, and painting procedures.

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Document Details

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Document Number / Seller:
30763 / Brian Allen
File Size:
12.86 MB
File Type:
PDF
Language:
English
Pages:
752
Printable:
Yes
Category:
Excavator
Last updated / verified
Dec 18, 2025

Models Covered & Key Technical Specifications

Hitachi Zaxis 330, 330LC, 350H, 350LCH, 370MTH (KM-1HH-E) - Excavator - Service Manual & Repair Procedures Technical Reference | Series Workshop Manual

  • Design Specifications: 752 pages establishes the complete documentation coverage.
  • Nominal Dimensions: For optimal operation, 12.86 MB defines the standard file size for comprehensive data.
  • Design Capacity Limits: The manual covers a wide range of models, providing detailed technical information.
  • Essential Speed Rating: This publication is essential for experienced technicians.
  • Design Current Rating: Features crucial data for maintaining and repairing excavators.
  • Design System Volume: Provides repair procedures for all components and systems.

Manual Description & Preview

Hitachi Zaxis 330, 330LC, 350H, 350LCH, 370MTH Excavator - Service Manual & Repair Procedures

System-Coverage: All Zaxis models // Model-Portfolio: 330, 330LC, 350H, 350LCH, 370MTH Excavator Logic // Design-Core: Complete workshop procedures.

Technical Specs Table (3-Column) Specification Parameters Calibration-Data
Manual ID KM-1HH-E Applicable Models
Language English Page Count
File Size 12.86 MB Publication Date

Technical chapters are organized around specific components and procedures. This document provides detailed information necessary for the effective maintenance and repair of your Hitachi Zaxis excavator. It includes comprehensive guides on disassembly, assembly, and the correct use of specialized tools required for each task. The manual ensures that all procedures adhere to factory standards for optimal performance and longevity.

Torque Statement: documents torque specifications for fasteners to ensure proper gasket seal integrity.

HVAC system procedures are included for related maintenance tasks.

Torque specifications are documented for all critical fasteners.

Parts identification is covered for all major components.

Removal procedures are documented for all sub-assemblies.

Technical specifications are provided for key operational parameters.

FAQ

Determine the **specific** torque specifications for critical bolts. keyboard_arrow_down

1226 N·m (125 kgf⋅m, 900 lbf⋅ft) is the torque for the swing bearing mounting bolt to the upperstructure, as detailed on page 45.

What specifications **designated** safety precautions are outlined? keyboard_arrow_down

10 mm socket bolts are specified for removing the drive gear from the main pump, as per page 83.

Check the **critical** lubrication requirements for the swing motor. keyboard_arrow_down

Grease should be applied to the inner surface of oil seal (28) and the outer surface of sleeve (29) on shaft (26) as per page 185.

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