Service manual Hitachi ZW30-5B Wheel Loader | WNBB-EN-00

Hitachi ZW30-5B Wheel Loader WNBB-EN-00 (Preview)

WNBB-EN-00
CONTENTS
SECTION 1 GENERAL
SECTION 2 MAINTENANCE STANDARD
SECTION 3 BODY
SECTION 4 TRAVEL SYSTEM
SECTION 5 FRONT ATTACHMENT
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
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
Group 4 Bleeding Air
Bleeding Air from Hydraulic Oil Tank
Bleeding Air from Hydraulic System
Bleeding Air from Fuel System
Bleeding Air from Expansion Tank (Radiator)
Group 5 Releasing Pressure
Front Attachment Hydraulic Circuit Pressure Release Procedure
Group 6 Preparation
Preparation before Inspection and Maintenance
SECTION 2 MAINTENANCE STANDARD
Group 2 Front Attachment
Pin and Bushing
Cylinder
SECTION 3 BODY
Group 1 Canopy/Cab
Removal and Installation of Canopy
Removal and Installation of Cab
Group 2 Counterweight
Removal and Installation of Counterweight
Group 5 Pump Device
Removal and Installation of Pump Device
Disassembly of Pump Device
Assembly of Pump Device
Group 6 Control Valve
Removal and Installation of Control Valve
Disassembly of Control Valve
Assembly of Control Valve
Disassembly of Bucket Spool Assembly
Assembly of Bucket Spool Assembly
Disassembly of Lift Arm Spool Assembly
Assembly of Lift Arm Spool Assembly
Group 7 Solenoid Valve
Removal and Installation of Parking Brake Solenoid Valve Unit
SECTION 4 TRAVEL SYSTEM
Group 1 Tire
Removal and Installation of Front Tire
Removal and Installation of Rear Tire
Group 3 Axle
Removal and Installation of Front Axle
Disassembly of Axle
Assembly of Axle
Disassembly of Reduction Gear
Assembly of Reduction Gear
Group 4 Propeller Shaft
Removal and Installation of Propeller Shaft
Group 5 Brake Device
Removal and Installation of Brake Master Cylinder
Disassembly of Brake Master Cylinder
Assembly of Brake Master Cylinder
Removal and Installation of Inching Valve
Structure of Inching 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
SECTION 5 FRONT ATTACHMENT
Group 1 Front Attachment
Removal and Installation of Lift Arm
Removal and Installation of Bell Crank
Removal and Installation of Bucket
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
SERVICE MANUAL REVISION REQUEST FORM