Service manual Hitachi ZW120-5B Wheel Loader | WNCC-EN-00

Hitachi ZW120-5B Wheel Loader WNCC-EN-00 (Preview)

WNCC-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 Circuit
Group 5 Releasing Pressure
Front Attachment Hydraulic Circuit Pressure Release Procedure
Ride Control Accumulator Pressure Release Procedure
Group 6 Preparation
Preparation before Inspection and Maintenance
SECTION 2 MAINTENANCE STANDARD
Group 1 Body
Center Hinge
Group 2 Travel System
Axle
Transmission
Group 3 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(Without Battery Disconnect Switch)
Removal and Installation of Battery Box(Attached Battery Disconnect Switch)
Removal and Installation of Battery Disconnect Switch
Group 3 Center Hinge
Removal and Installation of Center Hinge
Group 4 Engine
Removal and Installation of Engine
Removal And Installation of Exterior Parts
Group 5 Radiator Assembly
Replacement of Radiator, Oil Cooler, and Intercooler
Group 6 Hydraulic Oil Tank
Removal and Installation of Hydraulic Oil Tank
Group 7 Pump Device
Removal and Installation of Pump Device
Disassembly of HST Pump
Assembly of HST Pump
Disassembly of 2-Gear Pump Unit
Assembly of 2-Gear Pump Unit
Group 8 Control Valve
Removal and Installation of Control Valve(Manual Type)
Disassembly of Control Valve (Manual Type)
Assembly of Control Valve (Manual Type)
Disassembly of Bucket Spool Assembly (Manual Type)
Assembly of Bucket Spool Assembly (Manual Type)
Disassembly of Lift Arm Spool Assembly(Manual Type)
Assembly of Lift Arm Spool Assembly (Manual Type)
Group 9 Priority Valve
Removal and Installation of Priority Valve
Structure of Priority Valve
Group 10 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 HST Motor
Removal and Installation of HST Motor
Disassembly of HST Motor
Assembly of HST Motor
Group 3 Transmission
Removal and Installation of Transmission
Disassembly of Transmission
Assembly of Transmission
Disassembly of Clutch Assembly
Assembly of Clutch Assembly
Structure of Control Valve
Group 4 Axle
Removal and Installation of Front Axle
Removal and Installation of Rear Axle
Disassembly of Axle
Assembly of Axle
Group 5 Propeller Shaft
Removal and Installation of Propeller Shaft
Group 6 Brake Valve
Removal and Installation of Brake Valve
Disassembly of Brake Valve
Assembly of Brake Valve
Removal and Installation of Inching Valve
Structure of Inching Valve
Group 7 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 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