All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models Zaxis 690LCH-7 and Zaxis 690LCR-7.

This manuals will assist you in troubleshooting, repairing engine, and operating for your crawler excavator.
You can use a Windows, Mac, or Android device to view this manuals. You only need to have a PDF reader installed.

Covered Models:
   Zaxis 690LCH-7
   Zaxis 690LCR-7

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

1. Troubleshooting Manual (TTJBQ40-EN-00)
Format: PDF, 651 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 (6WG1_ENGINE_MANUAL)
Format: PDF, 593 pages
Language: English
Table of Contents:
   0 Introduction (All models)
      Introduction
   14A Service Information Guide (All models)
      Contents included in service information
      Plastic gauge
      Recommended liquid gasket
      Thread locking adhesive agent
      Term
      Abbreviations
      Standard bolts
   15B Maintenance Information (6WG1)
      Maintenance precautions
      Primary specifications
      Function, Structure, Operation
      Introduction to the trouble diagnosis
   15C Functional Inspection (6WG1)
      Engine compression pressure inspection
      Fuel system check
      Air intake system check
      Exhaust system check
      DPD control system check
      EGR control system check
      Starting system check
      Glow control system check
      OBD system check
      Inspection of the diagnostic light warning light illumination circuit system
      Inspection of the diagnostic light warning light blinking circuit system
      Inspection of the starter circuit system
   15D Symptom (6WG1)
      Intermittent conditions of engine
      Engine start failure
      Engine stalling
      Engine hunching, rough idling
      Excessive white smoke in the exhaust gas
      Excessive black smoke in the exhaust gas
      Abnormal noise
      Large fuel consumption
      Large oil consumption
      Insufficient engine output
      DPD system manual regeneration frequently
      DPD system regeneration long time
   1A Engine Control (6WG1)
      DTC P0016 (Flash Code 16) Crankshaft Position - Camshaft Position Correlation Error
   Low Voltage
   High Voltage
   Range/Performance
   Range/Performance Sensor 1
   Sensor 1
   Sensor 1
   Range/Performance Sensor 2
   Sensor 2
   Sensor 2
   Range/Performance
   Error
   Performance
   Shutdown
   Circuit
   Circuit
   1 Circuit Low Voltage
   1 Circuit High Voltage
   High
   High
   Performance
   Circuit Low
   Circuit High
   Range/Performance
   Position
   System Performance
   Module
   38B Maintenance Information (Urea SCR System)
      Function, structure, operation of emission control
      Introduction to the trouble diagnosis of emission control
   38C Functional Inspection (Urea SCR System)
      Diagnostic system check-urea selective catalytic reduction system
   38D Symptom (Urea SCR System)
      Intermittent conditions of urea selective catalytic reduction　system
      Urea fluid consumption too high
      Ammonia smell noticeable
      White crystalline powder visible
   10M Emission Control (Urea SCR System)
   Wiring Diagram
      Using the ETM
      Engine
      Location Diagram
      Connector List
      Terminal Name
   SERVICE MANUAL REVISION REQUEST FORM

3. Operational Principle Manual (TOJBQ40-EN-00)
Format: PDF, 397 pages
Language: English
Table of Contents:
   INTRODUCTION
      To The Reader
      Additional References
      Manual Composition
      Trademark
      Safety Alert Symbol and Headline Notations
      Units Used
   SYMBOL AND ABBREVIATION
      Symbol and Abbreviation
   CONTRASTING LIST OF PART NAME
      Contrasting List of Part Name between Technical Manual and Parts Catalog
   SECTION AND GROUP 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)
   SERVICE MANUAL REVISION REQUEST FORM

4. Wiring Diagram (TTJBQ40-EN-00_Circuit(20200214))
Format: PDF, 25 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
   ENGINE HARNESS
   REAR VIEW CAMERA HARNESS
   BOOM LIGHT HARNESS
   24V SOCKET HARNESS
   WORK LIGHT HARNESS
   OIL COOLER HARNESS
   BOX HARNESS
   HYDRAULIC CIRCUIT DIAGRAM
   HYDRAULIC CIRCUIT DIAGRAM (BREAKER/CRUSHER)