All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models Zaxis 220LC-GI.

This manual will assist you in diagnosing, repairing, troubleshooting, and operating for your crawler excavator.

Covered Models:
   Zaxis 220LC-GI

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

1. Workshop Manual (WDCR-EN-00)
Format: PDF, 518 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air
      Pressure Release Procedure
      Preparation
   MAINTENANCE STANDARD
      Upperstructure
      Undercarriage
      Front Attachment
   UPPERSTRUCTURE
      Cab
      Counterweight
      Main Frame
      Engine
      Radiator Assembly
      Hydraulic Oil Tank
      Fuel Tank
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Solenoid Valve
      Signal Control Valve
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Front Idler
      Upper and Lower Rollers
      Track
   FRONT ATTACHMENT
      Front Attachment
      Cylinder

2. Troubleshooting Manual (TTDCR-EN-00)
Format: PDF, 430 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
      Troubleshooting C
      Air Conditioner

3. Operational Principle Manual (TODCR-EN-00)
Format: PDF, 317 pages
Language: English
Table of Contents:
   GENERAL
      Specification
      Component Layout
      Component Specifications
   SYSTEM
      Controller
      Control 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 (TTDCR-EN-00_Circuit)
Format: PDF, 12 pages
Language: English
Table of Contents:
   01-1_ZX220LC-GI_ELE
   01-2_ZX220LC-GI_CON
   02-1_ZX220LC-GI_CAB
   02-2_ZX220LC-GI_ENG
   03-1_ZX220LC-GI_PUMP
   04-1_ZX220LC-GI_MON.
   04-2_ZX220LC-GI_KEY-SW
   05-1_ZX220LC-GI_GSM
   05-2_ZX220LC-GI_SATELLITE
   06-1_ZX220LC-GI_LOCK-SOL
   07-1_ZX220LC-GI_HYD_STD
   07-2_ZX220LC-GI_HYD_OPT