Hitachi ZX35U-5N, ZX50U-5N, ZX60USB-5N Hydraulic Angle Blade WADG-EN-OP-00 (2022.06.30) (Preview)
WADG-EN-OP-00
INTRODUCTION
To The Reader
Additional References
Manual Composition
Page Number
Safety Alert Symbol and Headline Notations
Units Used
SYMBOL AND ABBREVIATION
Symbols and abbreviations
CONTRASTING LIST OF PART NAME
Contrasting List of Part Name between Technical Manual and Parts Catalog
SAFETY
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Prepare for Emergencies
Wear Protective Clothing
Protect Against Noise
Inspect Machine
General Precautions for the Cab
Use Handholds and Steps
Adjust the Operator’s Seat
Ensure Safety Before Rising from or Leaving Operator’s Seat
Fasten Your Seat Belt
Move and Operate Machine Safely
Operate Only from Operator’s Seat
Jump Starting
Keep Riders off Machine
Precautions for Operations
Investigate Job Site Beforehand
Install OPG Guard
Restriction of Attachment Installation
Provide Signals for Jobs Involving Multiple Machines
Confirm Direction of Machine to Be Driven
Drive Machine Safely
Avoid Injury from Rollaway Accidents
Avoid Injury from Back-Over and Swing Accidents
Keep People Clear from Working Area
Never Position the Bucket Over Anyone
Avoid Undercutting
Avoid Tipping
Never Undercut a High Bank
Dig with Caution
Operate with Caution
Avoid Power Lines
Precautions for Lightning
Object Handling
Protect Against Flying Debris
Park Machine Safely
Handle Fluids Safely−Avoid Fires
Transport Safely
Practice Safe Maintenance
Warn Others of Service Work
Support Machine Properly
Stay Clear of Moving Parts
Prevent Parts from Flying
Avoid Injury from Attachment Falling Accident
Prevent Burns
Replace Rubber Hoses Periodically
Avoid High-Pressure Fluids
Prevent Fires
Evacuating in Case of Fire
Beware of Exhaust Fumes
Precautions for Welding and Grinding
Avoid Heating Near Pressurized Fluid Lines
Avoid Applying Heat to Lines Containing Flammable Fluids
Precautions for Handling Accumulator and Gas Damper
Remove Paint Before Welding or Heating
Beware of Asbestos and Silicon Dust and Other Contamination
Prevent Battery Explosions
Service Air Conditioning System Safely
Handle Chemical Products Safely
Dispose of Waste Properly
Never Ride Attachment
Precautions for Communication Terminal
Precautions for the Communications Terminal (Optional)
Notes on Protection of Operator’s Station when the Machine Rolls Over (4-pillar Canopy Models, Cab Models)
Before Returning the Machine to the Customer
SECTION AND GROUP CONTENTS
CONTENTS
GENERAL
Painting
Painting
MAINTENANCE STANDARD
Front Attachment
Pin and Bushing
UPPERSTRUCTURE
Control Valve
Removal of Control Valve
Installation of Control Valve
Structure of Control Valve (ZX35U-5N)
Removal and Installation of Relief Valve (ZX35U-5N)
Disassembly and Assembly of Body (ZX35U-5N)
Disassembly and Assembly of Spool (ZX35U-5N)
Structure of Control Valve (ZX50U-5N)
Removal and Installation of Relief Valve (ZX50U-5N)
Disassembly and Assembly of Body (ZX50U-5N)
Disassembly and Assembly of Spool (ZX50U-5N)
Disassembly and Assembly of Shuttle Valve and Pressure Compensator (ZX50U-5N)
Structure of Control Valve (ZX60USB-5N)
Removal and Installation of Relief Valve (ZX60USB-5N)
Disassembly and Assembly of Body (ZX60USB-5N)
Disassembly and Assembly of Spool (ZX60USB-5N)
Disassembly and Assembly of Shuttle Valve and Pressure Compensator (ZX60USB-5N)
Solenoid Valve
Removal of 2-Spool Solenoid Valve
Installation of 2-Spool Solenoid Valve
Disassembly of 2-Spool Solenoid Valve
Assembly of 2-Spool Solenoid Valve
UNDERCARRIAGE
Center Joint
Removal of Center Joint (ZX35U-5N)
Installation of Center Joint (ZX35U-5N)
Removal of Center Joint (ZX50U-5N)
Installation of Center Joint (ZX50U-5N)
Removal of Center Joint (ZX60USB-5N)
Installation of Center Joint (ZX60USB-5N)
Disassembly of Center Joint
Assembly of Center Joint
ATTACHMENT
Cylinder
Removal and Installation of Angle Cylinder
Disassembly of Angle Cylinder
Assembly of Angle Cylinder
SERVICE MANUAL REVISION REQUEST FORM
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