All-Inclusive Factory Service Technical manual for Hitachi Crawler Excavators Models Zaxis 250LC-7 and Zaxis 250LCN-7.

This manuals will assist you in diagnosing, repairing, troubleshooting, and repairing engine for your crawler excavator.
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Covered Models:
   Zaxis 250LC-7
   Zaxis 250LCN-7

The manual comprises 3 documents, including the Workshop Manual, Troubleshooting Manual, and Engine Technical Manual

1. Workshop Manual (WDFY50-EN-00)
Format: PDF, 1091 pages
Language: English
Table of Contents:
   GENERAL
      Precautions for Disassembling and Assembling
      Tightening
      Painting
      Bleeding Air
      Preparation
   MAINTENANCE STANDARD
      Upperstructure
      Undercarriage
      Front Attachment
   UPPERSTRUCTURE
      Cab
      Counterweight
      Main Frame
      Engine
      Radiator Assembly
      Hydraulic Oil Tank
   UPPERSTRUCTURE
      Fuel Tank
      Pump Device
      Control Valve
      Swing Device
      Pilot Valve
   UPPERSTRUCTURE
      Solenoid Valve
      Signal Control Valve
      Aftertreatment Device
      DEF Tank
      Coolant Control Valve
      DEF Supply Module
   UNDERCARRIAGE
      Swing Bearing
      Travel Device
      Center Joint
      Track Adjuster
      Upper and Lower Rollers
      Track
   FRONT ATTACHMENT
      Front Attachment
      Cylinder
      Hose Rupture Valve
   SERVICE MANUAL REVISION REQUEST FORM

2. TTDFY50-EN-00 (ZX250LC-7_Technical_Manual_(Troubleshooting))
Format: PDF, 524 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
      Air Conditioner
   SERVICE MANUAL REVISION REQUEST FORM
   The Attached Diagram List

3. Engine Technical Manual (IDE-2620H)
Format: PDF, 626 pages
Language: English
Table of Contents:
   IDE-2620H
   0 Introduction (All)
      Introduction
      safety information
   14A Service Information Guide (All)
      Contents included in service information
      Plastic gauge
      Recommended liquid gasket
      Thread locking adhesive agent
      Term
      Abbreviations
      Standard bolts
   1B Mechanical (4HK1)
      Cylinder head cover
      Cylinder head assembly
      Idle gear
      Inlet cover
      Cylinder block
      Exhaust manifold
      Crankshaft
      Piston
      Camshaft
      Flywheel
      Crankshaft rear oil seal
      Rocker arm shaft
      Valve spring
      Valve stem oil seal
      Crankshaft front oil seal
      CMP sensor
      Front cover
      Intake throttle valve
      CKP sensor
      Supplementary Information
   1C Fuel System (4HK1)
      Fuel supply pump
      Common rail assembly
      Injector
      Suction control valve
      Fuel filter
      Relief valve
      Fuel filter element
      Fuel filter pressure sensor
      Supplementary Information
   1D Cooling (4HK1)
      Water pump assembly
      Thermostat
      Cooling fan belt
      Radiator
      Engine coolant temperature sensor
      Coolant
      Overheat switch
      Supplementary Information
   1E Lubrication (4HK1)
      Oil pan
      Oil pump assembly
      Oil level switch
      Oil cooler assembly
      Oil pressure sensor
      Engine oil
      Oil port cover
      Supplementary Information
   1F Induction (4HK1)
      Boost temperature sensor
      Turbocharger assembly
      Intercooler
      Air cleaner element
      IMT sensor
      Boost sensor
      Supplementary Information
   1G Exhaust (4HK1)
      DPD assembly
      Exhaust differential pressure sensor
      Exhaust gas temperature sensor
      Supplementary Information
   1H Aux.Emission Control Devices (4HK1)
      EGR valve
      Supplementary Information
   1J Electrical (4HK1)
      Glow plug
      Generator
      ECM
      Starter assembly
      Supplementary Information
   SERVICE MANUAL REVISION REQUEST FORM