All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models EX270LC-5.

This manuals will assist you in diagnosing, repairing, troubleshooting, and operating for your crawler excavator.
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Covered Models:
   EX270LC-5

The manual comprises 5 documents, including the Workshop Manual, Troubleshooting Manual, Operational Principle Manual, Operators Manual, and Wiring Diagram

1. Workshop Manual (W157E02)
Format: PDF, 741 pages
Language: English
Table of Contents:
   GENERAL INFORMATION
      Precautions for Disassembling and Assembling
      Tightening Torque
   UPPERSTRUCTURE
      Cab
      Counterweight
      Main Frame
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
      Pilot Shut-Off Valve
      Shockless Valve
      Solenoid Valve
      Pilot Relief Valve Unit
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Front Idler
      Upper and Lower Roller
      Track
   FRONT ATTACHMENT
      Front Attachment
      Cylinder
   ENGINE (EX200-5, 200LC-5)
      General Introduction
      Maintenance
      Engine Assembly (Disassembly)
      Engine Assembly (inspection and Repair)
      Engine Assembly (Reassenbly)
      Lubricating System
      Cooling System
      Fuel Sistem
      Turbocharger
      Air Compressor
      Engine Electrials
      Troubleshooting
      Special Tool List
      Conversion Table
   ENGINE AND ACCESSORIES (EX220-5, 220LC-5, 230LC-5, 270-5, 270LC-5)
      General Introduction
      Engine
      Electrical Equipment
      Turbocharger

2. Troubleshooting Manual (TT157E02)
Format: PDF, 258 pages
Language: English
Table of Contents:
   OPERATIONAL PERFORMANCE TEST
      Introducution
      Engine Test
      Excavator Test
      Component Test
      Standard
   TROUBLESHOOTING
      Diagnosing Procedure
      Component Layout
      Troubleshooting A
      Troubleshooting B
      Troubleshooting C
      Electrical System Inspection
      Harness Check
   CIRCUIT and HARNESS
      EX200-5 ELECTRICAL CIRCUIT
      EX200-5 CONNECTORS
      EX200-5 CAB HARNESS
      EX200-5 ENG. HARNESS
      EX200-5 RELAY HARNESS
      EX200-5 A/C HARNESS
      EX220-5,270-5 ELECTRICAL CIRCUIT DIAGRAM
      CONNECTORS(These connectors are the harness end connectors, unless otherwise specified)
      EX220-5,270-5 CAB HARNESS
      EX220-5,270-5 ENGINE HARNESS
      EX220-5,270-5 RELAY HARNESS
      EX220-5,270-5 A/C HARNESS
      EX220-5 HYDRAULIC CIRCUIT DIAGRAM
      EX270-5 HYDRAULIC CIRCUIT DIAGRAM

3. Operational Principle Manual (TO157E02)
Format: PDF, 160 pages
Language: English
Table of Contents:
   GENERAL
      Specification
      Component Layout
   SYSTEM
      Control System
      Hydraulic System
      Electrical System
   COMPONENT OPERATION
      Pump Device
      Swing Device
      Control Valve
      Pilot Valve
      Travel Device
      Others (Upperstructure)
      Others (Undercarriage)

4. Operators Manual (EM15JNA21)
Format: PDF, 246 pages
Language: English
Table of Contents:
   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

5. Wiring Diagram (T157E00CIR)
Format: PDF, 14 pages
Language: English