Hitachi ZW180-6, ZW180PL-6 Loader WPD850-EN-01 (Preview)
WPD850-EN-01
CONTENTS
INTRODUCTION
To The Reader
Additional References
Manual Composition
Page Number
Trademark
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 the Cab
Use Handrails and Steps
Never Ride Attachment
Adjust Operator’s Seat
Ensure Safety Before Rising from or Leaving Operator’s Seat
Fasten Your Seat Belt
Move and Operate Machine Safely
Handle Starting Aids Safely
Operate Only from Operator’s Seat
Jump Starting
Investigate Job Site Beforehand
Equipment of Head Guard, ROPS, FOPS
Provide Signals for Jobs Involving Multiple Machines
Keep Riders Off Machine
Drive Safely
Drive Machine Safely (Work Site)
Drive Safely with Bucket Loaded
Drive on Snow Safely
Travel on Public Roads Safely
Avoid Injury from Rollaway Accidents
Avoid Accidents from Backing Up and Turning
Avoid Positioning Bucket or Attachment Over Anyone
Avoid Tipping
Never Undercut a High Bank
Dig with Caution
Perform Truck Loading Safely
Avoid Power Lines
Precautions for Operation
Precautions for Lightning
Object Handling
Protect Against Flying Debris
Park Machine Safely
Store Attachments Safely
Transport Safely
Handle Fluids Safely−Avoid Fires
Practice Safe Maintenance
Warn Others of Service Work
Support Machine Properly
Stay Clear of Moving Parts
Support Maintenance Properly
Prevent Parts from Flying
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 Silica Dust and Other Contamination
Prevent Battery Explosions
Service Air Conditioning System Safely
Handle Chemical Products Safely
Dispose of Waste Properly
Notes on Aftertreatment Device
Precautions for Communication Terminal
Precaution for Communication Terminal Equipment
Before Returning the Machine to the Customer
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 (Parallel Link)
Group 4 Bleeding Air
Bleed Air from the Hydraulic System.
Bleed Air from the Fuel System
Bleeding Air from Brake (Axle)
Group 5 Preparation
Preparations for Inspection and Maintenance
Releasing Pressure from Hydraulic Circuit
Releasing Pressure from Ride Control Accumulator
Releasing Pressure from Parking Brake Accumulator
Releasing Pressure from Hydraulic Oil Tank
Releasing Pressure from Expansion Tank
SECTION 2 MAINTENANCE STANDARD
Group 1 Body
Center Hinge
Group 2 Front Attachment
Pin and Bushing
Standard Dimensions for Lift Arm and Bucket
Cylinder
Group 3 Front Attachment (Parallel Link)
Pin and Bushing
Standard Dimensions for Quick Coupler and Bucket
Cylinder
SECTION 3 BODY
Group 1 Cab
Removal and Installation of Cab
Removal and Installation of Cab (Parallel Link)
Group 2 Counterweight
Removal and Installation of Counterweight
Group 3 Center Hinge
Removal and Installation of Center Hinge
Removal and Installation of Center Hinge (Parallel Link)
Group 4 Engine
Removal and Installation of Engine
Group 5 Radiator Assembly
Removal and Installation of Radiator Assembly
Group 6 Hydraulic Oil Tank
Removal and Installation of Hydraulic Oil Tank
Group 7 Fuel Tank
Removal and Installation of Fuel Tank
Group 8 Pump Device
Removal and Installation of Pump Device
Disassembly of Pump Device
Assembly of Pump Device
Disassembly of Main Pump
Assembly of Main Pump
Disassembly of Regulator
Assembly of Regulator
Structure of Priority Valve
Structure of Pilot Pump
Removal and Installation of Priority Valve
Group 9 Control Valve
Removal and Installation of Control Valve
Removal and Installation of Control Valve (Parallel Link)
Disassembly of Control Valve
Assembly of Control Valve
Disassembly of Control Valve (Parallel Link)
Assembly of Control Valve (Parallel Link)
Group 10 Pilot Valve
Removal and Installation of Pilot Valve
Removal and Installation of Pilot Valve (Two Lever Type)
Removal and Installation of Auxiliary Pilot Valve
Disassembly of Pilot Valve
Assembly of Pilot Valve
Disassembly of Pilot Valve (Two Lever Type)
Assembly of Pilot Valve (Two Lever Type)
Disassembly of Auxiliary Pilot Valve
Assembly of Auxiliary Pilot Valve
Group 11 Brake Charge Valve
Removal and Installation of Brake Charge Valve
Structure of Brake Charge Valve
Removal and Installation of Brake Accumulator
Group 12 Manifold Valve
Removal and Installation of Manifold Valve
Disassembly of Manifold Valve
Assembly of Manifold Valve
Group 13 Solenoid Valve
Removal and Installation of Parking Brake Solenoid Valve Unit
Structure of Parking Brake Solenoid Valve Unit
Removal and Installation of Quick Coupler Solenoid Valve (Parallel Link)
Disassembly of Quick Coupler Solenoid Valve
Assembly of Quick Coupler Solenoid Valve
Group 14 Flow Regulator Valve
Removal and Installation of Flow Regulator Valve
Structure of Flow Regulator Valve
Group 15 Cooling Fan System
Removal and Installation of Fan Valve
Structure of Fan Valve
Removal and Installation of Fan Motor
Structure of Fan Motor
Removal and Installation of Fan Pump
Disassembly of Fan Pump
Assembly of Fan Pump
Group 16 Ride Control Device
Removal and Installation of Ride Control Valve
Disassembly of Ride Control Valve
Assembly of Ride Control Valve
Removal and Installation of Ride Control Accumulator
Group 17 Battery Disconnect Switch
Removal and Installation of Battery Disconnect Switch
Group 18 Aftertreatment Device
Removal and Installation of Aftertreatment Device
Group 19 DEF Tank
Removal and Installation of DEF Tank
Group 20 Coolant Control Valve
Removal and Installation of Coolant Control Valve
Group 21 DEF Supply Module
Removal and Installation of DEF Supply Module
Group 22 Exterior Components
Removal and Installation of Exterior Components
Group 23 Parallel Link (Special Parts)
Removal and Installation of Bucket Regenerative Valve
Structure of Bucket Regenerative Valve
Removal and Installation of Bucket Regenerative Selector Valve
Structure of Bucket Regenerative Selector Valve
SECTION 4 TRAVEL SYSTEM
Group 1 Tire
Removal and Installation of Front Tire
Removal and Installation of Rear Tire
Group 2 Drive Unit
Removal and Installation of Drive Unit
Disassembly and Assembly of Drive Unit
Removal and Installation of Torque Converter
Disassembly and Assembly of Transmission
Disassembly and Assembly of Transmission Control Valve
Removal and Installation of Parking Brake
Group 3 Axle
Removal and Installation of Front Axle
Removal and Installation of Rear Axle
Disassembly of Axle
Assembly of Axle
Group 4 Propeller Shaft
Removal and Installation of Propeller Shaft
Group 5 Brake Valve
Removal and Installation of Brake Valve
Disassembly of Brake Valve
Disassembly of Brake Valve
Assembly of Brake Valve
Assembly of Brake Valve
Group 6 Steering Device
Removal and Installation of Steering Valve
Disassembly of Steering Valve
Assembly of Steering Valve
Removal and Installation of Steering Cylinder
Disassembly of Steering Cylinder
Assembly of Steering Cylinder
Group 7 Emergency Steering Device
Removal and Installation of Emergency Steering Pump
SECTION 5 FRONT ATTACHMENT
Group 1 Front Attachment
Removal and Installation of Front Attachment
Removal and Installation of Bell Crank
Removal and Installation of Bucket
Removal and Installation of Bushing
Group 2 Cylinder
Removal and Installation of Lift Arm Cylinder
Removal and Installation of Bucket Cylinder
Disassembly of Lift Arm Cylinder and Bucket Cylinder
Assembly of Lift Arm Cylinder and Bucket Cylinder
Group 3 Front Attachment (Parallel Link)
Removal and Installation of Front Attachment
Removal and Installation of Quick Coupler
Group 4 Cylinder (Parallel Link)
Removal and Installation of Lift Arm Cylinder
Removal and Installation of Bucket Cylinder
Removal and Installation of Quick Coupler Cylinder
Disassembly of Lift Arm Cylinder
Assembly of Lift Arm Cylinder
Disassembly of Bucket Cylinder
Assembly of Bucket Cylinder
Disassembly of Quick Coupler Cylinder
Assembly of Quick Coupler Cylinder
SERVICE MANUAL REVISION REQUEST FORM
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