Hitachi Excavator Zaxis 75US-A/75UR Technical, Workshop, Harness Manuals PDF

This set covers the following PDF manuals:
Technical Manual (Operational Principle)
Technical Manual (Troubleshooting)
Workshop Manual
Circuit Diagram & Harness

This set of PDF Manuals contains detailed repair and service information, technical specifications, diagrams, and charts for Hitachi Excavators Zaxis 75US-A, and Zaxis 75UR Models.

The Hitachi set of manuals allows us to detect and resolve problems arising and uncertainties. The service manuals are an indispensable tool when using, maintaining, and repairing Hitachi excavators. Also, in this set of manuals, you will find troubleshooting information, safety precautions, diagrams and schemes, pictures with step-by-step descriptions and etc for help to prolong the quality work of Hitachi excavators.

The information is in PDF format, in English. For convenience, we recommend using Adobe Acrobat Reader to ensure the correct display of all graphics. You can easily print the desired text or image that will help your work. 

Contact us to obtain additional information or assistance about the work with this set of manuals.

Models covered:
Zaxis 75US-A,
Zaxis 75UR.

CONTENTS (Operational Principle):

• SECTION 1 GENERAL
  • Group 1 Specification
  • Group 2 Component Layout
  • Group 3 Component Specifications
• SECTION 2 SYSTEM
  • Group 1 Control System
  • Group 2 Front Control System
  • Group 3 Hydraulic System
  • Group 4 Electrical System
• SECTION 3 COMPONENT OPERATION
  • Group 1 Pump Device
  • Group 2 Swing Device
  • Group 3 Control Valve
  • Group 4 Pilot Valve
  • Group 5 Travel Device
  • Group 6 Others(Upperstructure)
  • Group 7 Others(Undercarriage)

CONTENTS (Troubleshooting):

• SECTION 4 OPERATIONAL PERFORMANCE TEST
  • Group 1 Introduction
  • Group 2 Standard
  • Group 3 Engine Test
  • Group 4 Excavator Test
  • Group 5 Component Test
  • Group 6 Adjustment
• SECTION 5 TROUBLESHOOTING
  • Group 1 General
  • Group 2 Component Layout
  • Group 3 Troubleshooting A
  • Group 4 Troubleshooting B
  • Group 5 Troubleshooting C
  • Group 6 Troubleshooting D (Zaxis 75 UR Only)
  • Group 7 Electrical System Inspection
  • Group 8 ICX

CONTENTS (Workshop Manual):

• SECTION 1 GENERAL INFORMATION
  • Group 1 Precautions for Disassembling and Assembling Precautions for Disassembling and Assembling
  • Group 2 Tightening Torque
  • Group 3 Painting
  • Group 4 Bleeding Air from Hydraulic Oil Tank
• SECTION 2 UPPER STRUCTURE
  • Group 1 Cab
  • Group 2 Counterweight
  • Group 3 Main Frame
  • Group 4 Pump Device
  • Group 5 Control Valve
  • Group 6 Swing Device
  • Group 7 Pilot Valve
  • Group 8 Pilot Shut-Off Valve
  • Group 9 Shockless Valve
  • Group 10 Solenoid Valve
• SECTION 3 UNDERCARRIAGE
  • Group 1 Swing Bearing
  • Group 2 Travel Device
  • Group 3 Center Joint
  • Group 4 Track Adjuster
  • Group 5 Front Idler
  • Group 6 Upper and Lower Roller
  • Group 7 Track
• SECTION 4 FRONT ATTACHMENT
  • Group 1 Front Attachment
  • Group 2 Cylinder
  • Group 3 Holding Valve
• SECTION 5 ENGINE AND ACCESSORY
  • SECTION 1. General Information
  • SECTION 2. Maintenance
  • SECTION 3. Engine Assembly 1 (Disassembly)
  • SECTION 4. Engine Assembly 2 (Inspection and Repair)
  • SECTION 5. Engine Assembly 3 (Reassembly)
  • SECTION 6. Lubricating System
  • SECTION 7. Cooling System
  • SECTION 8. Fuel System
  • SECTION 9. Engine Electricals
  • SECTION 10. Troubleshooting
  • SECTION 11. Special Tool List
  • SECTION 12. Repair Standards
  • SECTION 13. Conversion Table

CONTENTS (Circuits & Harnesses):
ZAXIS 75US-A/70 (STD) HYDRAULIC CIRCUIT DIAGRAM
ZAXIS 75UR HYDRAULIC CIRCUIT DIAGRAM
ZAXIS 75US-A/75US/70 ELECTRICAL CIRCUIT DIAGRAM (1)
ZAXIS 75US-A/75US/70 ELECTRICAL CIRCUIT DIAGRAM (2)
ZAXIS 75UR/135UR ELECTRICAL CIRCUIT DIAGRAM
ZAXIS 75UR/135UR CONNECTORS
ZAXIS 75US-A CAB HARNESS
ZAXIS 75UR CAB HARNESS
ZAXIS 75US-A ENGINE HARNESS
ZAXIS 75UR ENGINE HARNESS