This manual covers Hitachi Hydraulic Excavator models Zaxis 450-3, 450LC-3, 470H-3, 470LCH-3, 500LC-3, and 520LCH-3. These excavators are engineered for demanding construction and industrial applications, offering robust performance and reliable operation. Their design emphasizes efficiency and durability, making them a trusted choice for heavy-duty tasks.
This comprehensive service manual provides detailed information essential for the operation and repair of your Hitachi excavator. It includes technical manuals covering operational principles, system descriptions, and component functions, alongside troubleshooting guides for diagnosing and resolving issues. A workshop manual details disassembly, assembly, and maintenance procedures for all major systems, including the upperstructure, undercarriage, and front attachment, complemented by hydraulic and electrical diagrams.
Original Illustrated Factory Workshop Service Manual for Hitachi Hydraulic Excavator Type Zaxis 450-3, 470-3, 500-3, 520-3.
Original factory manuals for Hitachi Excavator Mashines, contains high quality images, circuit diagrams and instructions to help you to operate and repair your truck. All Manuals Printable and contains Searchable Text
Covered models:
450-3
450LC-3
470H-3
470LCH-3
500LC-3
520LCH-3
Language: English
Format: ZIP, Contained set of PDF manuals:
1. TECHNICAL MANUAL, Operational Principle, PDF, 340 Pages
Contents:
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 ECM System
Group 4 Hydraulic System
Group 5 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 Signal Control Valve
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)
2. TECHNICAL MANUAL, Troubleshooting, PDF, 586 Pages
Contents:
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 Diagnosing Procedure
Group 2 Monitor Unit
Group 3 Dr. ZX
Group 4 ICF
Group 5 Component Layout
Group 6 Troubleshooting A
Group 7 Troubleshooting B
Group 8 Electrical System Inspection
3. WORKSHOP MANUAL, PDF,
Contents:
SECTION 1 GENERAL INFORMATION
Group 1 Precautions for disassembling and Assembling
Group 2 Tightening Torque
Group 3 Painting
Group 4 Bleeding Air from Hydraulic Oil Tank
SECTION 2 UPPERSTRUCTURE
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 Solenoid Valve
Group 9 Solenoid Valve
Group 10 Signal Control Valve
Group 11 Shockless Valve
Group 12 Fan Valve
Group 13 Fan Motor
Group 14 Engine
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
4. Hydraulic and Electrical Diagrams, 30 PDF Files
Original Illustrated Factory Workshop Service Manual for Hitachi Hydraulic Excavator Type Zaxis 450-3, 470-3, 500-3, 520-3.
Original factory manuals for Hitachi Excavator Mashines, contains high quality images, circuit diagrams and instructions to help you to operate and repair your truck. All Manuals Printable and contains Searchable Text
Covered models:
450-3
450LC-3
470H-3
470LCH-3
500LC-3
520LCH-3
Language: English
Format: ZIP, Contained set of PDF manuals:
1. TECHNICAL MANUAL, Operational Principle, PDF, 340 Pages
Contents:
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 ECM System
Group 4 Hydraulic System
Group 5 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 Signal Control Valve
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)
2. TECHNICAL MANUAL, Troubleshooting, PDF, 586 Pages
Contents:
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 Diagnosing Procedure
Group 2 Monitor Unit
Group 3 Dr. ZX
Group 4 ICF
Group 5 Component Layout
Group 6 Troubleshooting A
Group 7 Troubleshooting B
Group 8 Electrical System Inspection
3. WORKSHOP MANUAL, PDF,
Contents:
SECTION 1 GENERAL INFORMATION
Group 1 Precautions for disassembling and Assembling
Group 2 Tightening Torque
Group 3 Painting
Group 4 Bleeding Air from Hydraulic Oil Tank
SECTION 2 UPPERSTRUCTURE
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 Solenoid Valve
Group 9 Solenoid Valve
Group 10 Signal Control Valve
Group 11 Shockless Valve
Group 12 Fan Valve
Group 13 Fan Motor
Group 14 Engine
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
4. Hydraulic and Electrical Diagrams, 30 PDF Files
