Komatsu PC490LC-11 (SN from 85001) Hydraulic Excavators Workshop Manual (SEN06738-08)

Illustrated factory Workshop Manual for Komatsu Hydraulic Excavators Models PC490LC-11.

This manual will assist you in diagnosing, repairing, and adjusting for your hydraulic excavator.
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Covered Models:
   PC490LC-11 (SN: 85001-)

Format: PDF, 3220 pages
Language: English
Table of Contents:
   Index and Foreword
      Index
      Abbreviation List
      Foreword, Safety, Basic Information
   Specifications
      Table of Contents
      Specifications
   Structure and Function
      Table of Contents
      Urea SCR System
      Boot-up System
      Engine System
      Cooling System
      Control System
      Hydraulic System
      Work Equipment System
      Swing System
      Travel System
      Undercarriage and Frame
      Work Equipment
      CAB Related Parts
   Standard Value Table
      Table of Contents
      Standard Value Table for Engine
      Standard Value Table for Machine
   Testing and Adjusting
      Table of Contents
      Precautions Before Work
      Related Information on Testing and Adjusting
      Engine and Cooling System
      Power Train
      Undercarriage and Frame
      Hydraulic System
      CAB Related Parts
      Electrical System
      Pm Clinic
   Troubleshooting
      Table of Contents
      Precautions Before Work
      Related Information to Troubleshooting
      Troubleshooting by Failure Code (Display of Code)
      Troubleshooting of Electrical System (E-Mode)
      Troubleshooting for Hydraulic and Mechanical Systems (H Mode)
      Troubleshooting of Engine (S-Mode)
   Disassembly and Assembly
      Table of Contents
      Precautions Before Work
      Related Information on Disassembly and Assembly
      Engine and Cooling System
      Power Train
      Undercarriage and Frame
      Hydraulic System
      Work Equipment
      CAB Related Parts
      Electrical System
   Maintenance Standard
      Table of Contents
      Engine and Cooling System
      Power Train
      Undercarriage and Frame
      Hydraulic System
      Work Equipment
   Appendix
      Table of Contents
      Precautions Before Work
      Air Conditioner System
      Component Parts of Air Conditioner System
      Explanation of Procedure for Test of and Troubleshooting of Air Conditioner
      Circuit Diagram and Configuration of Connector Pins of Air Conditioner
      System Diagram of Air Conditioner
      Locations of Air Conditioner Parts and Layout of Connectors
      Examine Air Leakage (Duct)
      Examine Air Conditioner with Self-Diagnosis Function
      Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor
      Examine Vent (Mode) Changeover
      Examine Fresh/Recirc Air Changeover
      Examine Sunlight Sensor
      Examine Refrigerant (Dual) Pressure Switch
      Examine Relay
      Air Conditioner Troubleshooting Chart 1
      Air Conditioner Troubleshooting Chart 2
      Information Shown in Troubleshooting Table
      Failure Code [879AKA]
      Failure Code [879AKB]
      Failure Code [879BKA]
      Failure Code [879BKB]
      Failure Code [879CKA]
      Failure Code [879CKB]
      Failure Code [879DKZ]
      Failure Code [879EMC]
      Failure Code [879FMC]
      Failure Code [879GKX]
      A-1 Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)
      A-2 Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)
      A-3 Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)
      A-4 Troubleshooting for Fresh/Recirc Air Changeover
      Troubleshooting by Gauge Pressure
      Connect Service Tool
      Precautions for Disconnection and Connection of Air Conditioner Piping
      Handle Compressor Oil
   Circuit Diagrams
      Table of Contents
      Hydraulic Circuit Diagram
      Electrical Circuit Diagram
   Index