Service manual Hitachi ZW150-6, ZW150PL-6 Wheel Loader | WPTC50-EN-01

Hitachi ZW150-6, ZW150PL-6 Wheel Loader WPTC50-EN-01 (Preview)

WPTC50-EN-01_W1,W2_1-6
WPTC50-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
Painting (Parallel Link)
Group 4 Bleed Air from Circuit
Bleeding Air from Hydraulic System
Bleeding Air from Fuel System
Bleeding Air from Brake (Axle)
Group 5 Preparation
Preparation before Inspection and Maintenance
Hydraulic Circuit Pressure Release Procedure
Pressure Release from Ride Control Accumulator
Pressure Release from Hydraulic Oil Tank
Pressure Release 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
WPTC50-EN-01_W3-5to7_3-6
WPTC50-EN-01
SECTION 3 VEHICLE
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
WPTC50-EN-01_W4,W5_6-6
WPTC50-EN-01
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 HST Motor
Disassembly of HST Motors 1, 2
Assembly of HST Motors 1, 2
Removal and Installation of Transmission
Disassembly of Transmission
Assembly of Transmission
Disassembly of Clutch Assembly
Assembly of Clutch Assembly
Disassembly of Clutch Pressure Control Solenoid Valve
Assembly of Clutch Pressure Control Solenoid Valve
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
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
Removal and Installation of Steering Accumulator
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
Assembly of Lift Arm Cylinder
Disassembly of Bucket Cylinder
Assembly of 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
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