Hitachi ZW220-5A Wheel Loader WNEJ-EN-00 (Preview)
WNEJ-EN-00
INTRODUCTION
SYMBOL AND ABBREVIATION
SAFETY
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 Radiator
Bleeding Air from Brake (Axle)
Group 5 Releasing Pressure
Front Attachment Hydraulic Circuit Pressure Release Procedure
Ride Control Accumulator Pressure Release Procedure
Parking Brake Accumulator Pressure Release Procedure
Group 6 Preparation
Preparation before Inspection and Maintenance
SECTION 2 MAINTENANCE STANDARD
Group 1 Body
Center Hinge
Group 2 Front Attachment
Pin and Bushing
Standard Dimensions for Lift Arm and Bucket
Cylinder
SECTION 3 BODY
Group 1 Cab
Removal and Installation of Cab
Group 2 Counterweight
Removal and Installation of Counterweight
Removal and Installation of Battery Box
Group 3 Center Hinge
Removal and Installation of Center Hinge
Group 4 Engine
Removal and Installation of Engine
Removal And Installation of Exterior Parts
Removal and Installation of Air Cleaner
Group 5 Radiator Assembly
Replacement of Radiator, Oil Cooler, Intercooler, and Torque Converter Cooler
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
Disassembly of Priority Valve
Assembly of Priority Valve
Structure of Pilot Pump
Group 9 Control Valve
Removal and Installation of Control Valve
Disassembly of Control Valve
Assembly of Control Valve
Group 10 Pilot Valve
Removal and Installation of Pilot Valve
Removal and Installation of Pilot Valve (Two Lever Type )
Disassembly of Pilot Valve
Assembly of Pilot Valve
Disassembly of Pilot Valve (Two Lever Type)
Assembly of Pilot Valve (Two Lever Type)
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
Group 14 Cooling Fan System
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 15 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
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(Replace the brake friction pad)
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 (One Pedal)
Removal and Installation of Brake Valve (Two Pedals)
Disassembly of Brake Valve
Assembly of Brake Valve
Group 6 Steering Pilot Valve
Removal and Installation of Steering Pilot Valve
Disassembly of Steering Pilot Valve
Assembly of Steering Pilot Valve
Group 7 Steering Valve
Removal and Installation of Steering Valve(Without Emergency Steering)
Removal and Installation of Steering Valve (With Emergency Steering)
Disassembly of Steering Valve
Assembly of Steering Valve
Disassembly of Emergency Steering Check Block
Assembly of Emergency Steering Check Block
Group 8 Steering Cylinder
Removal and Installation of Steering Cylinder
Disassembly of Steering Cylinder
Assembly of Steering Cylinder
Removal and Installation of Steering Accumulator
Group 9 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
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
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