All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models Zaxis 490LCH-7.

This manuals will assist you in troubleshooting, repairing engine, and operating for your crawler excavator.
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Covered Models:
   Zaxis 490LCH-7

The manual comprises 4 documents, including the Troubleshooting Manual, Engine Technical Manual, Operational Principle Manual, and Wiring Diagram

1. Troubleshooting Manual (TTJAQ51-EN-00)
Format: PDF, 641 pages
Language: English
Table of Contents:
   OPERATIONAL PERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Machine Performance Test
      Component Test
      Adjustment
   TROUBLESHOOTING
      Diagnosing Procedure
      Monitor
      e-Service
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Air Conditioner

2. Engine Technical Manual (EWJAA-EN-00)
Format: PDF, 568 pages
Language: English
Table of Contents:
   Service Information Guide
      Contents included in service information
      Plastic gauge
      Recommended liquid gasket
      Thread locking adhesive agent
      Term
      Abbreviations
      Standard bolts
   Mechanical
      Cylinder head cover
      Cylinder head assembly
      Idle gear
      Cylinder block
      Camshaft
      Rocker arm shaft
      Crankshaft
      Flywheel
      Piston
      Intake throttle valve
      Front cover
      Flywheel housing
      CKP sensor
      CMP sensor
      Supplementary Information
   Fuel System
      Fuel supply pump
      Injector
      Common rail assembly
      Fuel filter
      Pressure limiter
      Fuel pressure sensor
      Fuel filter pressure sensor
      Fuel temperature sensor
      Supplementary Information
   Cooling
      Water pump assembly
      Thermostat
      Radiator
      Overheat switch
      Engine coolant temperature sensor
      Coolant
      Generator drive belt
      Supplementary Information
   Lubrication
      Oil pan
      Oil level switch
      Oil pump assembly
      Engine oil
      Piston oil jet
      Oil cooler assembly
      Oil filter element
      Oil pressure sensor
      Supplementary Information
   Induction
      Boost temperature sensor
      Turbocharger assembly
      Intercooler
      Air cleaner element
      IMT sensor
      Boost sensor
      MAF sensor
      Supplementary Information
   Exhaust
      DPD assembly
      Exhaust differential pressure sensor
      Exhaust gas temperature sensor
      Supplementary Information
   Aux. Emission Control Devices
      EGR valve
      Supplementary Information
   Electrical
      Glow plug
      Starter assembly
      Generator
      ECM
      Supplementary Information

3. Operational Principle Manual (TOJAQ51-EN-00)
Format: PDF, 413 pages
Language: English
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Controller
      Control System
      Engine System
      Hydraulic System
      Electrical System
   COMPONENT OPERATION
      Pump Device
      Swing Device
      Control Valve
      Pilot Valve
      Travel Device
      Signal Control Valve
      Others (Upperstructure)
      Others (Undercarriage)

4. Wiring Diagram (TTJAQ51-EN-00_Circuit(20200129))
Format: PDF, 28 pages
Language: English
Table of Contents:
   ELECTRICAL CIRCUIT DIAGRAM
   CONNECTORS
   CAB HARNESS
   MAIN HARNESS
   CAB REAR HARNESS (OPTION)
   CONSOLE HARNESS (OPTION)
   PUMP HARNESS
   NOx HARNESS
   MONITOR HARNESS
   CONSOLE HARNESS
   CONTROL VALVE HARNESS
   WIPER HARNESS
   WIPER MOTOR HARNESS
   PILOT SHUT-OFF SOLENOID VALVE HARNESS
   ENGINE STOP SWITCH HARNESS
   CAMERA LIGHT HARNESS
   RADIATOR SUB HARNESS
   FUEL FILTER HARNESS
   ENGINE HARNESS
   FAN REVERCE HARNESS
   EXPANSION TANK HARNESS
   ENGINE OIL MONITORING SENSOR HARNESS
   REAR VIEW CAMERA HARNESS
   BOOM LIGHT HARNESS
   24V SOCKET HARNESS
   HYDRAULIC CIRCUIT DIAGRAM
   HYDRAULIC CIRCUIT DIAGRA (BREAKER/CRUSHER)
   HYDRAULIC CIRCUIT DIAGRAM (HOSE RUPTURE VALVE)