Hitachi EX20UR-2 EX30UR-2 EX40UR-2 Workshop Manual Excavator manuals in PDF

Factory Workshop Manual For Hitachi EX20UR-2 EX30UR-2 EX40UR-2 Excavators. Tons of illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups.

Format: PDF
Language: English
Pages: 388
Bookmarks: Yes
Searchable: Yes
Number: KN-584F-00
Wiring Diagrams: No
Hydraulic Diagrams: No

Model

Hitachi EX20UR-2, EX30UR-2, EX40UR-2

Contents

-GENERAL INFORMATION
–PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING
Precautions for Disassembling and Assembling
–TIGHTENING
Tightening Torque Specifications
Torque Chart
Piping Joint
-UPPERSTRUCTURE
–CANOPY
Remove and Install Canopy
–COUNTERWEIGHT
Remove and Install Counterweight
–PUMP DEVICE
Remove and Install Pump Device
Disassemble and Assemble Pump Device
Maintenance Standard
–CONTROL VALVE
Remove and Install Control Valve
Disassemble and Assemble Control Valve
–SWING DEVICE
Remove and Install Swing Device
Disassemble and Assemble Swing Reduction Gear
Disassemble and Assemble Swing Motor
Maintenance Standard
–PILOT VALVE
Remove and Install Pilot Valve
Disassemble and Assemble Pilot Valve
–SHOCKLESS VALVE
Remove and Install Shockless Valve
Disassemble and Assemble Shockless Valve
–SOLENOID VALVE
Disassemble and Assemble Travel Speed Change Solenoid Valve
-UNDERCARRIAGE
–SWING BEARING
Remove and Install Swing Bearing
–TRAVEL DEVICE
Remove and Install Travel Device
Disassemble and Assemble Travel Device
Maintenance Standards
–CENTER JOINT
Remove and Install Center Joint
Disassemble and Assemble Center Joint
–TRACK ADJUSTER
Remove and Install Track Adjuster
–FRONT IDLER
Remove and Install Front Idler
Maintenance Standards
–UPPER AND LOWER ROLLERS
Remove and Install Upper Roller
Remove and Install Lower Roller
Maintenance Standards
–TRACK LINKS
Remove and Install Rubber Track
Maintenance Standards
-FRONT ATTACHMENT
–FRONT ATTACHMENT
Remove and Install
Front Attachment
Maintenance Standards
–CYLINDERS
Remove and Install Cylinders
Disassemble and Assemble Cylinders
Maintenance Standards
-ENGINE AND ACCESSORY -EX20UR-2,30UR-2,40UR-2
–GENERAL INFORMATION
General Repair Instructions
How to Use This Manual
Appearance
Main Data and Specification
Torque Specifications
Torque for Bolts and Nuts on Major Components
Packing Location
Inspection and Servicing
Recommended Lubricating Oil
–ENGINE
General View of Engine
Disassembly Step (1)
Disassembly Step (2)
Disassembly Step (3)
Disassembly
Inspection and Repair
Reassembly
–LUBRICATING SYSTEM
Lubricating Oil Flow Diagram
Oil Pump
–COOLING SYSTEM
Coolant Flow Diagram
Water Pump
Thermostat
–FUEL SYSTEM
Fuel Flow Diagram
Governor
Nozzle Holder Assembly
–TROUBLESHOOTING
Troubleshooting
–SPECIAL TOOLS
Special Tools

What you get

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