Service manual Hitachi ZW370-6 Wheel Loader | WNHJ40-EN-01

Hitachi ZW370-6 Wheel Loader WNHJ40-EN-01 (Preview)

WNHJ40-EN-01
CONTENTS
INTRODUCTION
SYMBOL AND ABBREVIATION
SAFETY
SECTION AND GROUPCONTENTS
SECTION 1GENERAL
Group 1 Precautions for Disassembling and Assembling
Precautions for Disassembling andAssembling
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
Bleed Air from Fuel System
Bleeding Air from Radiator
Bleeding Air from Brake (Axle)
Group 5 Pressure Release Procedure
Front Attachment Hydraulic Circuit PressureRelease Procedure
Ride Control Accumulator Pressure ReleaseProcedure
Parking Brake Accumulator Pressure ReleaseProcedure
Group 6 Preparation
Preparation before Inspection andMaintenance
SECTION 2MAINTENANCE STANDARD
Group 1 Body
Center Hinge
Pilot Valve (Two Lever Type )
Group 2 Front Attachment
Pin and Bushing
Standard Dimensions for Lift Arm and Bucket
SECTION 3BODY
Group 1 Cab
Removal and Installation of Cab
Group 2 Counterweight
Removal and Installation of Counterweight
Group 3 Center Hinge
Removal and Installation of Center Hinge
Removal and Installation of the HydraulicHoses of Front Chassis Side
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 and Assembly of Pump Device
Disassembly of Main Pump
Assembly of Main Pump
Disassembly of Regulator
Assembly of Regulator
Removal and Installation of Pilot Pump
Disassembly of Pilot Pump
Assembly of Pilot Pump
Group 9 Control Valve
Removal and Installation of Control Valve
Disassembly of Control Valve
Disassembly of Control Valve
Assembly of Control Valve
Group 10 Pilot Valve
Removal and Installation of Pilot Valve(Single-Lever Type)
Removal and Installation of Pilot Valve (Two-Lever Type )
Disassembly of Pilot Valve (Single-LeverType)
Assembly of Pilot Valve (Single-Lever Type)
Disassembly of Pilot Valve (Two Lever Type)
Assembly of Pilot Valve (Two-Lever Type)
Group 11 Brake Charge Valve
Removal and Installation of Brake ChargeValve
Structure of Brake Charge Valve
Disassembly of Brake Charge Valve
Assembly of Brake Charge Valve
Removal and Installation of Brake Accumulators
Group 12 Combination Valve
Removal and Installation of Combination Valve
Structure and Tightening Torque of Combination Valve Components
Group 13 DEF Tank
Removal and Installation of DEF Tank
Disassembly of DEF Tank
Assembly of DEF Tank
Group 14 Flow Regulator Valve
Removal and Installation of Flow RegulatorValve
Structure of Flow Regulator Valve
Group 15 Cooling Fan System
Removal and Installation of Fan ControlValve
Disassembly and Assembly of Fan Control Valve
Removal and Installation of Fan Motor
Structure of Fan Motor
Removal and Installation of Pilot Pump
Group 16 Aftertreatment Device
Removal and Installation of Exhaust Filter
Group 17 Ride Control Valve and Accumulator
Removal and Installation of Ride ControlValve and Accumulator
Disassembly of Ride Control Valve
Assembly of Ride Control Valve
Group 18 Battery Disconnect Switch
Removal of Battery Disconnect Switch
Installation of Battery Disconnect Switch
SECTION 4TRAVEL 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(Transmission and Torque Converter)
Disassembly of Drive Unit
Assembly of Drive Unit
Structure of Torque Converter Charging Pump
Disassembly and Assembly of Torque Converter
Disassembly and Assembly of Clutch Assembly
Disassembly of High Clutch Spider Assembly
Assembly of High Clutch Spider Assembly
Removal and Installation of TransmissionControl Valve
Disassembly and Assembly of Transmission Control Valve
Special Tools (For Transmission Assembly and Disassembly)
Drawings for Special Tools
Group 3 Axle
Removal and Installation of Front Axl
Removal and Installation of Rear Axle
Disassembly of Axle
Removal of Axle Support (Rear Axle)
Disassembly of Axle
Assembly of Axle
Axle Support
Assembly of Axle
Installation of Axle Support (Rear Axle)
Disassembly and Assembly of Spider Assembly
Disassembly and Assembly of Internal GearHub Assembly
Removal and Installation of Floating Seal
Disassembly and Assembly of Parking BrakePiston Assembly
Removal and Installation of Differential
Disassembly and Assembly of Differential
Special Tools For Axle Assembly
Drawings for Special Tools
Group 4 Propeller Shaft
Removal and Installation of Propeller Shaft
Group 5 Brake Valve
Removal and Installation of Brake Valve
Disassembly and Assembly of Brake ValveAssembly
Disassembly and Assembly of Brake Valve
Maintenance Standard
Group 6 Steering Pilot Valve
Removal and Installation of Steering PilotValve
Disassembly of Steering Pilot Valve
Assembly of Steering Pilot Valve
Group 7 Steering Valve
Removal and Installation of Steering Valve
Disassembly of Steering Valve
Assembly of Steering Valve
Group 8 Steering Cylinder
Removal and Installation of Steering Cylinder
Disassembly of Steering Cylinder
Assembly of Steering Cylinder
Removal and Installation of SteeringAccumulator
Tools for Steering Cylinder Disassembly andAssembly
Group 9 Emergency Steering Device
Removal and Installation of EmergencySteering Pump (Option)
Group 10 Reducing Valve
Removal and Installation of Reducing Valve
Disassembly of Reducing Valve
Assembly of Reducing Valve
Group 11 Stop Valve
Removal and Installation of Stop Valve
Disassembly of Stop Valve
Assembly of Stop Valve
Group 12 Main Pressure Block
Removal and Installation of Main Pressure Block
Disassembly of Main Pressure Block
Assembly of Main Pressure Block
Group 13 Priority Hammer Valve and Shuttle Valve
Removal and Installation of Priority HammerValve and Shuttle Valve
Structure of Priority Hammer Valve andShuttle Valve
Group 14 Check Valve
Removal and Installation of Check Valve
Structure of Check Valve
Group 15 Joystick Steering
Removal and Installation of Joystick SteeringValve (for Electric JSS with Grammer Seat)
Disassembly and Assembly of JoystickSteering Valves (for Electric Type JSS)
Removal and Installation of Joystick SteeringLever (for Electric JSS with Grammer Seat)
Removal and Installation of Joystick SteeringValve (for Hydraulic JSS with Sears Seat)
Disassembly and Assembly of JoystickSteering Valves (for Hydraulic Type JSS)
Disassembly of Control Valve (for HydraulicType JSS)
Assembly of Control Valve (for HydraulicType JSS)
Removal and Installation of Joystick SteeringLever (for Hydraulic JSS with Sears Seat)
Disassembly of Joystick Steering Pilot Valve(for Hydraulic Type JSS)
Assembly of Joystick Steering Pilot Valve
Group 16 Axle Oil Cooler
Removal and Installation of Axle Oil Cooler
Structure of Oil Cooler Assembly
Structure of Oil Cooler Pump Unit
SECTION 5FRONT ATTACHMENT
Group 1 Front Attachment
Removal and Installation of Front Attachment
Removal and Installation of Lever (Bell Crank))
Removal and Installation of Bucket
Group 2 Cylinder
Removal and Installation of Lift Arm Cylinder
Removal and Installation of Bucket Cylinder
Disassembly and Assembly of Lift ArmCylinder
Disassembly and Assembly of Bucket Cylinder
Tools for Cylinder Disassembly and Assembly
SERVICE MANUAL REVISION REQUEST FORM