Hitachi EX27U, EX35U Excavator W-589E-NA (Preview)
INTRODUCTION
SAFETY
SECTION 1 GENERAL INFORMATION
Precautions for Disassembling and Assembling
Precautions for Disassembling and Assembling
Tightening
Tightening Torque Specifications
Torque Chart
Piping Joint
SECTION 2 UPPERSTRUCTURE
Canopy
Remove and Install Canopy
Counterweight
Remove and Install Counterweight
Pump Device
Remove and Install Pump Device
Disassemble Pump Device(27u)
Assemble Pump Device(27u)
Disassemble Pump Device(35u)
Assemble Pump Device(35u)
Maintenance Standards
Control Valve
Remove and Install Control Valve
Disassemble and Assemble Control Valve
Swing Device
Remove and Install Swing Device
Disassemble Swing Reduction Gear
Assemble Swing Reduction Gear
Disassemble Swing Motor
Assemble Swing Motor
Maintenance Standards
Pilot Valve
Remove and Install Pilot Valve
Disassemble Pilot Valve
Assemble Front Pilot Valve
Remove and Install Travel Pilot Valve
Disassemble Travel Pilot Valve
Assemble Travel Pilot Valve
Solenoid Valve
Disassemble and Assemble Solenoid Valve
Rotary Valve
Remove and Install Rotary Valve
Disassemble Rotary Valve
Assemble Rotary Valve
SECTION 3 UNDERCARRIAGE
Swing Bearing
Remove and Install Swing Bearing
Travel Device
Remove and Install Travel Device
Disassemble Travel Device(27u)
Assemble Travel Device(27u)
Disassemble Travel Device(35u)
Assemble Travel Device(35u)
Assemble Travel Device(35u)
Maintenance Standards
Center Joint
Remove and Install Center Joint
Disassemble Center Joint
Assemble Center Joint
Track Adjuster
Remove and Install Track Adjuster
Front Idler
Remove and Install Front Idler
Maintenance Standards
Upper and Lower Roller
Remove and Install Upper Roller
Remove and Install Lower Roller
Maintenance Standards
Track
Remove and Install Rubber Track
Maintenance Standards
SECTION 4 FRONT ATTACHMENT
Front Attachment
Remove and Install Front Attachment
Maintenance Standards
Cylinder
Remove and Install Cylinders
Disassemble Boom Cylinder and Arm Cylinder
Assemble Boom Cylinder and Arm Cylinder
Disassemble Bucket Cylinder and Blade Cylinder
Assemble Bucket Cylinder and Blade Cylinder
Disassemble Boom Swing Cylinder
Assemble Boom Swing Cylinder
Maintenance Standards
SECTION 5 ENGINE
General Information
General Repair Instruction
Notes on the Format of this Manual
Appearance
Main Data and Specifications
Tightening Torque Specifications
Angular Nut and Bolt Tightening Method
Tightening Torque on Major Components
Gasket Location
Maintenance
Recommended Lubricating Oil
Engine
General View of Engine
Desassembly
Inspection and Repair
Reassembly
Lubricating System
Lubricating Oil Circulation System Diagram
Oil Pump
Cooling System
Cooling Water Circulation System Diagram
Water Pump
Thermostat
Fuel System
Fuel Circulation System Diagram
Governor
Nozzle Holder Assembly
Troubleshooting
Special Tools
Conversion Table
Length
Area
Volume
Mass
Pressure
Torque
Temperature
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