Hitachi ZX210W-5A Wheeled Excavator WLCDE0-EN-00 (Preview)
WLCDE0-EN-00_1
WLCDE0-EN-00
INTRODUCTION
To The Reader
Additional References
Manual Composition
Page Number
Safety Alert Symbol and Headline Notations
Units Used
SYMBOL AND ABBREVIATION
SAFETY
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Prepare for Emergencies
Wear Protective Clothing
Protect Against Noise
Inspect Machine
General Precautions for 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 Person Clear from Working Area
Never Position 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
Support Maintenance Properly
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
Precaution for Communication Terminal Equipment
Notes on Protection of Operator’s Station when the Machine Rolls Over
SECTION AND GROUP CONTENTS
SECTION 1 GENERAL
Group 1 Precautions for Disassembling and Assembling
Precautions for Disassembling and Assembling
Group 2 Tightening
Tightening Bolts and Nuts
Piping Joint
Group 3 Painting
Painting
Group 4 Bleeding Air
Bleeding Air from Hydraulic System
Bleeding Air from Fuel System
Bleeding Air from Transmission
Bleeding Air from Brake (Axle)
Group 5 Preparation
Preparation before Inspection and Maintenance
Hydraulic Circuit Pressure Release Procedure
Pressure Release from Hydraulic Oil Tank
Pressure Release from Expansion Tank
Pressure Release from Brake Circuit
SECTION 2 MAINTENANCE STANDARD
Group 1 Upperstructure
Pump Device
Swing Motor
Group 3 Front Attachment
Pin and Bushing
Side Cutter (2014503, 2014504)
Point (4427919)
Standard Dimensions for Arm and Bucket Connection
Standard Dimensions for Arm and Boom Connection
Cylinder
SECTION 3 UPPERSTRUCTURE
Group 1 Cab
Removal and Installation of Cab
Dimensions of Cab Glass
Group 2 Counterweight
Removal and Installation of Counterweight
Group 3 Main Frame
Removal and Installation of Main Frame
Group 4 Engine
Removal and Installation of Engine
Group 8 Pump Device
Removal and Installation of Pump Device
Removal and Installation of Coupling
Disassembly of Pump Device
Assembly of Pump Device
Disassembly of Regulator
Assembly of Regulator
Disassembly of Solenoid Valve Unit
Assembly of Solenoid Valve Unit
Structure of Pilot/Steering Pump
Group 9 Control Valve
Removal and Installation of Control Valve
Removal and Installation of Positioning Control Valve
Disassembly of Housing
Assembly of Housing
Disassembly of Control Valve 4-Spool Side
Assembly of Control Valve 4-Spool Side
Disassembly of Control Valve 5-Spool Side
Assembly of Control Valve 5-Spool Side
Group 10 Swing Device
Removal and Installation of Swing Device
Disassembly of Swing Device
Assembly of Swing Device
Disassembly of Swing Motor
Assembly of Swing Motor
Group 11 Pilot Valve
Removal and Installation of Pilot Valve (Left)
Removal and Installation of Pilot Valve (Right)
Removal and Installation of Travel Pilot Valve
Disassembly of Pilot Valves (Right and Left)
Assembly of Pilot Valves (Right and Left)
Disassembly of Travel Pilot Valve
Assembly of Travel Pilot Valves
Group 12 Solenoid Valve
Removal and Installation of Pilot Shut-Off Solenoid Valve
Removal and Installation of 5-Spool Solenoid Valve Unit
Removal and Installation of Axle-lock/Brake Solenoid Valve Unit
Removal and Installation of Pump 2 Flow Control Solenoid Valve
Disassembly of Pilot Shut-Off Solenoid Valve
Assembly of Pilot Shut-Off Solenoid Valve
Structure of 3-Spool Solenoid Valve Unit
Structure of Axle Lock/Brake Solenoid Valve Unit
Structure of Pump 2 Flow Rate Limit Control Solenoid Valve
Group 13 Signal Control Valve
Removal and Installation of Signal Control Valve
Structure of Signal Control Valve
Group 14 Shockless Valve
Removal and Installation of Travel Shockless Valve
Structure of Travel Shockless Valve
Group 15 Steering Valve
Removal and Installation of Steering Valve
Disassembly of Steering Valve
Assembly of Steering Valve
Group 16 Brake Valve
Removal and Installation of Brake Valve
Disassembly of Brake Valve
Assembly of Brake Valve
Group 17 Accumulator Charging Valve
Removal and Installation of Accumulator Charge Valve
Structure of Accumulator Charging Valve
Group 18 Accumulator Manifold
Removal and Installation of Accumulator Manifold
Structure of Accumulator Manifold
WLCDE0-EN-00_2
WLCDE0-EN-00
SECTION 4 UNDERCARRIAGE
Group 1 Swing Bearing
Removal and Installation of Swing Bearing
Disassembly of Swing Bearing
Assembly of Swing Bearing
Group 2 Travel Motor
Removal and Installation of Travel Motor
Disassembly of Travel Motor
Assembly of Travel Motor
Disassembly of Brake Valve
Assembly of Brake Valve
Precautions for Using Floating Seal
Group 3 Center Joint
Removal and Installation of Center Joint
Disassembly of Center Joint
Assembly of Center Joint
Group 4 Transmission
Removal and Installation of Transmission
Disassembly of Transmission
Assembly of Transmission
Group 5 Axle
Removal and Installation of Front Axle
Removal and Installation of Rear Axle, Transmission
Disassembly of Front Axle
Assembly of Front Axle
Disassembly of Rear Axle
Assembly of Rear Axle
Disassembly of Differential
Assembly of Differential
Disassembly of Steering Cylinder
Assembly of Steering Cylinder
Removal and Installation of Tie Rod
Adjustment of Steering
Group 6 Axle Lock Cylinder
Removal and Installation of Axle Lock Cylinder
Disassembly of Axle Lock Cylinder
Assembly of Axle Lock Cylinder
Group 7 Operate Check Valve
Removal and Installation of Operate Check Valve (For Axel Lock Cylinder)
Removal and Installation of Operate Check Valve (For Blade Cylinder)
Removal and Installation of Operate Check Valve for Outrigger Cylinder
Structure of Operate Check Valve (For Axel Lock Cylinder)
Structure of Operate Check Valve (For Blade/Outrigger Cylinder)
Group 8 Solenoid Valve
Removal and Installation of 2-Spool Solenoid Valve Unit for Blade/Outrigger Cylinder
Removal and Installation of Transmission Control Solenoid Valve
Structure of 2-Spool Solenoid Valve Unit (For Blade/ Outrigger Cylinder)
Group 9 Propeller Shaft
Removal and Installation of Propeller Shaft
Group 10 Cylinder
Removal and Installation of Blade Cylinder
Removal and Installation of Outrigger Cylinder
Disassembly of Blade/ Outrigger Cylinders
Assembly of Blade/ Outrigger Cylinders
SECTION 5 FRONT ATTACHMENT
Group 1 Front Attachment
Removal and Installation of Front Attachment
Group 2 Cylinder
Removal and Installation of Boom Cylinder
Removal and Installation of Arm Cylinder
Removal and Installation of Bucket Cylinder
Disassembly of Boom Cylinder
Assembly of Boom Cylinder
Disassembly of Arm and Bucket Cylinders
Assembly of Arm and Bucket Cylinders
SERVICE MANUAL REVISION REQUEST FORM
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