All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models Zaxis 125US, Zaxis 135US, Zaxis 135USK and Zaxis 135USL.

This manuals will assist you in diagnosing, repairing, troubleshooting, and operating for your crawler excavator.
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Covered Models:
   Zaxis 125US
   Zaxis 135US
   Zaxis 135USK
   Zaxis 135USL

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

1. Workshop Manual (W187E-03)
Format: PDF, 748 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
   UPPERSTRUCTURE
      Cab
      Counterweight
      Main Frame
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Pilot Shut-Off Valve
      Signal Control Valve
      Solenoid Valve
      Holding Valve
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Front Idler
      Upper And Lower Roller
      Track
   FRONT ATTACHMENT
      Front Attachment
      Cylinder
   ENGINE AND ACCESSORY
      General Repair Instructions
      Maintenance
      Engine Assembly 1 (Disassembly)
      Engine Assembly 2 (Inspection and Repair)
      Engine Assembly 3 (Reassembly)
      Lubricating System
      Cooling System
      Fuel System
      Turbocharger
      Engine Electricals
      Troubleshooting
      Special Tool List
      Repair Standards
      Conversion Table

2. Troubleshooting Manual (TT187-E-04)
Format: PDF, 479 pages
Language: English
Table of Contents:
   OPERATIONAL PERFORMANCE TEST
      Introduction
      Standard
      Engine Test
      Excavator Test
      Component Test
      Adjustment
   TROUBLESHOOTING
      General
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Troubleshooting C
      Troubleshooting D
      Electrical System Inspection
      ICX
   THE ATTACHED DIAGRAM LIST
      ZX110/120/130/130LCN ELECTRICAL CIRCUIT DIAGRAM
      ZX110/120/130/130LCN CONNECTORS
      ZX125US/135US ELECTRICAL CIRCUIT DIAGRAM
      ZX125US/135US CONNECTORS
      ZX135UR ELECTRICAL CIRCUIT DIAGRAM
      ZX135UR CONNECTORS
      ZX110/120/130/130LCN CAB HARNESS
      ZX125US/135US CAB HARNESS
      ZX135UR CAB HARNESS
      ZX110/120/130/130LCN ENGINE HARNESS
      ZX125US/135US ENGINE HARNESS
      ZX135UR ENGINE HARNESS
      ZX110/120/130/130LCN MONITOR HARNESS
      ZX135UR CONSOLE HARNESS
      ZX110/120/130/130LCN HYDRAULIC CIRCUIT DIAGRAM
      ZX125US/135US HYDRAULIC CIRCUIT DIAGRAM
      ZX135UR HYDRAULIC CIRCUIT DIAGRAM

3. Operational Principle Manual (TO187-E-04)
Format: PDF, 318 pages
Language: English
Table of Contents:
   GENERAL
      Specifications
      Component Layout
      Component Specifications
   SYSTEM
      Control System
      Front 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. Operators Manual (EM1SE51)
Format: PDF, 323 pages
Language: English
Table of Contents:
   INTRODUCTION
   INDEX
   MACHINE NUMBERS
   SAFETY
   SAFETY SIGNS
   COMPONENTS NAME
   OPERATOR'S STATION
   BREAK-IN
   OPERATING THE ENGINE
   DRIVING THE MACHINE
   OPERATING THE MACHINE
   TRANSPORTING
   MAINTENANCE
   MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
   STORAGE
   TROUBLESHOOTING
   SPECIFICATIONS
   OPTIONAL ATTACHMENTS AND DEVICES
   INDEX