John Deere PowerTech 6068 Diesel Engine Above 130kW (174hp) (Interim Tier 4 / Stage IIIB) Level 21 ECU Repair Manual (CTM104719)

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Factory Service Repair Manual For John Deere PowerTech 6068 Diesel Engine Above 130kW. Detailed step by step Repair Information. Illustrations, instructions, diagrams.

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John Deere PowerTech 6068 Diesel Engine Above 130kW (174hp) (Interim Tier 4 / Stage IIIB) Level 21 ECU


  • Foreword
  • Record of Changes
  • 6068 PowerTech Engine Above 130 kW (174 hp) Interim Tier 4/Stage III B
  • Related Manuals
  • Training Information
  • Definition of Terms
  • General Information
    Engine Identification Information
    Fuels, Lubricants, and Coolants
  • Repair and Adjustments
    Engine Rebuild
    Cylinder Head and Valves Repair and Adjustments
    Cylinder Block, Liners, Pistons and Rods
    Crankshaft, Main Bearings and Flywheel
    Camshaft and Timing Gear Train Repair and Adjustment
    Lubrication System Repair and Adjustment
    Cooling System Repair and Adjustment
    Air Intake and Exhaust System Repair and Adjustment
    Air System Repair and Adjustment Single Turbocharger Option
    Electronic Fuel System Repair and Adjustment
    OEM Starting and Charging Systems Repair and Adjustment
    Electrical Engine Control Repair and Adjustment
    Connector Repair and Adjustment
    Aftertreatment Devices
  • Theory of Operation
    Base Engine Operation
    Cooling System
    Lubrication System
    Electronic Fuel System
    Air Intake and Exhaust System
    Aftertreatment System
    Electronic Control System
  • Diagnostics
    Observable Diagnostics and Tests
    Checks, Tests and Procedures
    Diagnostic Instructions and Information
    Engine Position Diagnostics
    Air Intake and Exhaust System Diagnostics
    Lubrication and Cooling System Diagnostics
    Fuel System Diagnostics
    Engine Control Unit (ECU) and Throttle Diagnostics
    Air Throttle Actuator, EGR Valve, and VGT Diagnostics
    VGT and Fuel Dosing Calculated Values Diagnostics
    Fuel Dosing Aftertreatment System Diagnostics
    Application Diagnostics
    Communication Diagnostics
  • Tools and other materials
    Repair Tools and Other Materials
    Diagnostic Service Tools
  • Specifications
    Repair and General OEM Specifications
    Diagnostic Specifications