All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models EX270 and EX270-LC.

This manuals will assist you in diagnosing, repairing, and operating for your crawler excavator.
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Covered Models:
   EX270
   EX270-LC

The manual comprises 2 documents, including the Workshop Manual, and Operators Manual

1. Workshop Manual (km10200)
Format: PDF, 1062 pages
Language: English
Table of Contents:
   HOW TO USE
      Section and Group Contents
      Introduction
      Features of This Manual
      Safety Informations
   SPECIFICATIONS
      General Specifications
      Components Specifications
      Torque Reference
      Others
      Conversion Table
   GENERAL
      Introduction
      Construction
      Hydraulic System
      Electric System
      Maintenance
   SUPERSTRUCTURE
      Superstructure
      Hydraulic Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Control Neutralizer Valve
      Shockless Valve
      Accumulator
      Solenoid Valve
      Mode Slection Cylinder
   UNDERCARRIGE
      Undercarrige
      Travel device
      Center Joint
   FRONT-END ATTACHMENTS
      Front-End Attachment
      Hydraulic Cylinder
      Pin and Bushing
   HYDRAULIC SYSTEM
      Outline
      Main Hydraulic Circuit
      Pilot Circuit
      Single Operation
      Combined Operation
      Extra Control Circuit
   ELECTRICAL SYSTEM
      Safety Precautions
      Specifications
      Construction and Function
      Circuit Operations
      Maintenance
   TROUBLESHOOTING
      INTRODUCTION
      Diagnose Malfunctions
      Excavator Performance Test
      Components Performance Standard
      Electrical System Test
   ENGINE
      General Introduction
      Engine
      Generator
      Starter
      Calibration
      Turbocharger
      Service Specifications

2. Operators Manual (EM15815)
Format: PDF, 155 pages
Language: English
Table of Contents:
   FRONT COVER
   INTRODUCTION
   SAFETY
   NAME AND FUNCTION COMPONENTS
   PRESTART INSPECTION
   OPERATION
   TRANSPORTING
   COMPONENTS LOCATIONS AND CIRCUITS
   MAINTENANCE
   STORAGE
   ASSEMBLY OF FRONT-END ATTACHMENT
   TROUBLESHOOTING
   SPECIFICATIONS
   HANDLING OPTIONAL ATTACHMENTS