All-Inclusive Factory Service Technical manual for Hitachi Electric Excavators Models EX1900E-6.

This manuals will assist you in diagnosing, repairing, troubleshooting, and operating for your electric excavator.
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Covered Models:
   EX1900E-6

The manual comprises 6 documents, including the Workshop Manual, Troubleshooting Manual, Operational Principle Manual, two Operators Manuals, and Wiring Diagram

1. Workshop Manual (WKBC-EN-00)
Format: PDF, 208 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air
      Disconnect from Power Supply and Short Circuit to Ground
   UPPERSTRUCTURE
      Electric Motor
      Slip Ring
      Pump Transmission
      Main Piping
   UNDERCARRIAGE
      Center Joint

2. Troubleshooting Manual (TTKBC-EN-00(201040731))
Format: PDF, 302 pages
Language: English
Table of Contents:
   OPERATIONALPERFORMANCE TEST
      Introduction
      Standard
      Electric Motor Test
      Excavator Test
      Component Test
   TROUBLESHOOTING
      Diagnosing Procedure
      Cross Referance Table
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Electrical System Inspection
      Maintenance

3. Operational Principle Manual (TOKBC-EN-00)
Format: PDF, 290 pages
Language: English
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Controller
      Control System
      ELU System
      Hydraulic System
      Electrical System
      Electrical System (6600 V)
   COMPONENT OPERATION
      Pump Device
      Swing Device
      Control Valve
      Control Equipment
      DQR Valve
      Travel Device
      Others (Upperstructure)
      Others (Undercarriage)

4. Operators Manual: Quick Visual Inspection (Loader Front) (KO43501)
Format: PDF, 248 pages
Language: English
Table of Contents:
   VISUAL INSPECTION EX1900-6
      COMPLETING AND SUBMITTING THE INSPECTION SHEETS
      SAFETY
      Inspection procedure
      Noting the cracks
      0 hour to 250 hours
      251 hours to 500 hours
      501 hours to 750 hours
      751 hours to 1000 hours
      1001 hours to 1250 hours
      1251 hours to 1500 hours
      1501 hours to 1750 hours
      1751 hours to 2000 hours
      2001 hours to 2250 hours
      2251 hours to 2500 hours
      2501 hours to 2750 hours
      2751 hours to 3000 hours
      3001 hours to 3250 hours
      3251 hours to 3500 hours
      3501 hours to 3750 hours
      3751 hours to 4000 hours
      4001 hours to 4250 hours
      4251 hours to 4500 hours
      4501 hours to 4750 hours
      4751 hours to 5000 hours
      5001 hours to 5250 hours
      5251 hours to 5500 hours
      5501 hours to 5750 hours
      5751 hours to 6000 hours
      6001 hours to 6250 hours
      6251 hours to 6500 hours
      6501 hours to 6750 hours
      6751 hours to 7000 hours
      7001 hours to 7250 hours
      7251 hours to 7500 hours
      7501 hours to 7750 hours
      7751 hours to 8000 hours
      8001 hours to 8250 hours
      8251 hours to 8500 hours
      8501 hours to 8750 hours
      8751 hours to 9000 hours
      9001 hours to 9250 hours
      9251 hours to 9500 hours
      9501 hours to 9750 hours
      9751 hours to 10000 hours
   BACK COVER

5. Operators Manual: Quick Visual Inspection (Backhoe Front) (KO40501)
Format: PDF, 248 pages
Language: English
Table of Contents:
   VISUAL INSPECTION EX1900-6 BACKHOE FRONT
      COMPLETING AND SUBMITTING THE INSPECTION SHEETS
      SAFETY
      Inspection procedure
      Noting the cracks
      0 hour to 250 hours
      251 hours to 500 hours
      501 hours to 750 hours
      751 hours to 1000 hours
      1001 hours to 1250 hours
      1251 hours to 1500 hours
      1501 hours to 1750 hours
      1751 hours to 2000 hours
      2001 hours to 2250 hours
      2251 hours to 2500 hours
      2501 hours to 2750 hours
      2751 hours to 3000 hours
      3001 hours to 3250 hours
      3251 hours to 3500 hours
      3501 hours to 3750 hours
      3751 hours to 4000 hours
      4001 hours to 4250 hours
      4251 hours to 4500 hours
      4501 hours to 4750 hours
      4751 hours to 5000 hours
      5001 hours to 5250 hours
      5251 hours to 5500 hours
      5501 hours to 5750 hours
      5751 hours to 6000 hours
      6001 hours to 6250 hours
      6251 hours to 6500 hours
      6501 hours to 6750 hours
      6751 hours to 7000 hours
      7001 hours to 7250 hours
      7251 hours to 7500 hours
      7501 hours to 7750 hours
      7751 hours to 8000 hours
      8001 hours to 8250 hours
      8251 hours to 8500 hours
      8501 hours to 8750 hours
      8751 hours to 9000 hours
      9001 hours to 9250 hours
      9251 hours to 9500 hours
      9501 hours to 9750 hours
      9751 hours to 10000 hours
   BACK COVER

6. Wiring Diagram (TTKBC-EN-00_circuit(20140411))
Format: PDF, 15 pages
Language: English
Table of Contents:
   ELECTRICAL CIRCUIT DIAGRAM(1/6)
   ELECTRICAL CIRCUIT DIAGRAM(2/6)
   ELECTRICAL CIRCUIT DIAGRAM(3/6)
   ELECTRICAL CIRCUIT DIAGRAM(4/6)
   ELECTRICAL CIRCUIT DIAGRAM(5/6)
   ELECTRICAL CIRCUIT DIAGRAM(6/6)
   ELECTRICAL CIRCUIT DIAGRAM(CAMERA)
   ELECTRICAL CIRCUIT DIAGRAM(CUBICLE)
   ELECTRICAL CONNECTORS
   RATING LIST
   ELECTRICAL CIRCUIT DIAGRAM CUBICLE(1/2)SH.No. H01 to H04
   ELECTRICAL CIRCUIT DIAGRAM CUBICLE(2/2)SH.No. H05 to H08
   CABLE CONNECTION DIAGRAM
   HYDRAULIC CIRCUIT DIAGRAM(LOADING SHOVEL)
   HYDRAULIC CIRCUIT DIAGRAM(BACKHOE)