John Deere Powertech 4.5L & 6.8L 4045, 6068 Marine Diesel Engines Index:

• Contents
  • Record Keeping
    • PowerTech Medallion
    • Engine Serial Number Plate
    • Record Engine Serial Number
    • Engine Option Codes
    • Engine Option Codes-Continued
    • Record Fuel Injection Pump Model Number
  • Safety
    • Recognize Safety Information
    • Understand Signal Words
    • Follow Safety Instructions
    • Replace Safety Signs
    • Prevent Bypass Starting
    • Handle Fuel Safely—Avoid Fires
    • Prepare for Emergencies
    • Handle Starting Fluid Safely
    • Handle Fluids Safely—Avoid Fires
    • Service Engines Safely
    • Wear Protective Clothing
    • Protect Against Noise
    • Handle Chemical Products Safely
    • Stay Clear of Rotating Drivelines
    • Practice Safe Maintenance
    • Work In Ventilated Area
    • Avoid High-Pressure Fluids
    • Avoid Heating Near Pressurized Fluid Lines
    • Remove Paint Before Welding or Heating
    • Service Cooling System Safely
    • Avoid Harmful Asbestos Dust
    • Prevent Battery Explosions
    • Prevent Acid Burns
    • Protect Against High Pressure Spray
    • Dispose of Waste Properly
  • Fuels, Lubricants, and Coolant
    • Diesel Fuel
    • Lubricity of Diesel Fuel
    • Diesel Fuel Storage
    • Dieselscan Fuel Analysis
    • Filling Fuel Tank
    • Minimizing the Effect of Cold Weather on Diesel Engines
    • Diesel Engine Break-In Oil
    • Diesel Engine Oil
    • Mixing of Lubricants
    • OILSCAN®and COOLSCAN™
    • Alternative and Synthetic Lubricants
    • Lubricant Storage
    • Grease
    • Diesel Engine Coolant
    • Diesel Engine Coolants, Supplemental Additive Information
    • Testing Diesel Engine Coolant
    • Supplemental Coolant Additives
    • Operating in Warm Temperature Climates
    • Disposing of Coolant
  • Engine Operating Guidelines
    • Instrument (Gauge) Panel (Propulsion Units Only) (Except 6068SFM50)
    • John Deere Instrument Panel (6068SFM50 Electronically Controlled Engine)
    • Using Diagnostic Gauge To Access Engine Information (6068SFM50 Engine)
    • Using Touch Switches To Display Information (6068SFM50 Engine)
    • Changing Units Of Measure (English Or Metric) (6068SFM50 Engine)
    • Viewing Engine Configuration Data (6068SFM50 Engine)
    • Viewing Active Engine Service Codes (DTC) (6068SFM50 Engine)
    • Viewing Stored Service Codes (DTC) In The Engine ECU (6068SFM50 Engine)
    • Normal Engine Operation
    • Break-In Service
    • Auxiliary Gear Drive Limitations
    • Generator Set Power Units
    • Starting the Engine
    • (Başlıksız)
    • (Başlıksız)
    • Warming Engine
    • Idling Engine
    • Cold Weather Operation
    • Stopping the Engine
    • Using a Booster Battery or Charger
  • Lubrication and Maintenance
    • Observe Service Intervals
    • Use Correct Fuels, Lubricants, and Coolant
    • Lubrication and Maintenance Service Interval Chart
  • Lubrication & Maintenance/Daily
    • Daily Prestarting Checks
  • Lubrication & Maintenance/50 Hour/2 Weeks
    • Checking Fuel Filter—4.5 L Engine
    • Checking Fuel Filter—6.8 L Engine
  • Lubrication and Maintenance/250 Hour
    • Servicing Fire Extinguisher
    • Servicing Battery
    • Changing Engine Oil and Replacing Oil Filter (Except 6068SFM50 Engines)
    • Inspect and Replacing Zinc Plugs
    • (Başlıksız)
    • Checking Belt Wear (Manual Tensioner)
    • Checking Engine Mounts
    • Checking Engine Electrical Ground Connections
  • Lubrication & Maintenance/500 Hour/12 Month
    • Changing Engine Oil and Replacing Filter (6068SFM50 Engines)
    • Cleaning Crankcase Vent Tube
    • Checking Air Intake System
    • Replacing Fuel Filter Element—4.5 L Engine
    • Replacing Primary Fuel Filter/Water Separator—6.8 L Engine
    • Replacing Final (Secondary) Fuel Filter Element—6.8 L Engine
    • Checking Belt Tensioner Spring Tension and Belt Wear (Automatic Tensioner)
    • Checking Cooling System
    • Replenishing Supplemental Coolant Additives (SCAs) Between Coolant Changes
    • Testing Diesel Engine Coolant
    • Remove, Inspect and Clean Engine Heat Exchanger Core
    • (Başlıksız)
    • (Başlıksız)
    • Install Heat Exchanger Core
    • Remove, Inspect and Clean Engine Aftercooler Core (6068SFM50)
    • Install Aftercooler Core (6068SFM50)
  • Lubrication&Maintenance/1000 Hour/24 Month
    • Adjusting Variable Speed (Droop) on Generator Set Engines
    • Checking Crankshaft Vibration Damper (6-Cylinder Engine Only)
    • Pressure Testing Cooling System
    • Inspect and Repair Sea Water Pump (Except 6068SFM50)
    • (Başlıksız)
    • Inspect And Repair Sea Water Pump (6068SFM50)
  • Lubrication and Maintenance/2000 Hour
    • Checking and Adjusting Engine Valve Clearance
    • Flushing Cooling System
  • Service as Required
    • Additional Service Information
    • Do Not Modify Fuel System
    • Adding Coolant
    • Replacing Dry Air Cleaner Element (Enclosed Element Installations)
    • Servicing Dry Air Cleaner Element (Open Element Installations)
    • (Başlıksız)
    • (Başlıksız)
    • Replacing Air Filter Element (Open Element Installations)
    • (Başlıksız)
    • Replacing Alternator Belt (With Automatic Tensioner)
    • Replacing Alternator Belt (With Manual Tensioner)
    • Inspect Driveline (PTO) (If Equipped)
    • Bleeding the Fuel System
    • Bleeding Fuel System—4.5 L Engine
    • Bleeding Fuel System—6.8 L Engine (Except 6068SFM50 Engines)
    • Bleeding Fuel System at Fuel Injection Pump (Except 6068SFM50 Engines)
    • Bleeding Fuel System At Fuel Injection Nozzles (Except 6068SFM50 Engines)
    • Bleeding Fuel System—6.8 L Engines (6068SFM50 Engines)
    • Remove and Install Auxiliary Gear Driven Sea Water Pump (Except 6068SFM50)
    • Remove And Install Sea Water Pump (6068SFM50)
  • Troubleshooting
    • General Troubleshooting Information
    • Propulsion Engine Wiring Harness (Except 6068SFM50)
    • Wiring Diagram—Propulsion Engine Wiring Harness (Except 6068SFM50)
    • Wiring Diagram—Propulsion Engine Instrument Panel (Except 6068SFM50)
    • (Başlıksız)
    • Precautions For Welding On Engines Equipped With Electronic Engine Control Unit (ECU)
    • Wiring Diagram For John Deere Main (Wheel House) Instrument Panel (6068SFM50)
    • Wiring Diagram For John Deere Optional Flybridge Instrument Panel (6068SFM50)
    • Engine Coolant and Sea Water Flow (Except 6068SFM50)
    • Engine Coolant and Sea Water Flow (6068SFM50)
    • Engine Troubleshooting
    • Electrical Troubleshooting
    • Diagnostic Trouble Code Procedure (6068SFM50 Electronically-Controlled Engine)
    • Listing Of Diagnostic Trouble Codes (DTC) (6068SFM50 Engine)
    • Intermittent Fault Diagnostics (6068SFM50 Engine)
  • Storage
    • Engine Storage Guidelines
    • Preparing Engine for Long-Term Storage
    • Removing Engine from Long-Term Storage
  • Specifications
    • General Engine Specifications—4.5 L Engines
    • General Engine Specifications—6.8 L Engines
    • Fuel Injection Pump Specifications
    • Engine Crankcase Oil Fill Quantities
    • Unified Inch Bolt and Cap Screw Torque Values
    • Metric Bolt and Cap Screw Torque Values
  • Lubrication and Maintenance Records
    • Using Lubrication and Maintenance Records
    • Daily (Prestarting) Service
    • 50 Hour/Every 2 Weeks Service
    • 250 Hour Service
    • 500 Hour/12 Month Service
    • 1000 Hour/24 Month Service
    • 2000 Hour Service
    • Service As Required
  • John Deere Service Literature Available
    • Technical Information
    • Publications For This Engine
  • (Başlıksız)
    • John Deere Parts
    • The Right Tools
    • Well-Trained Technicians
    • Prompt Service
• Page Numbers
  • Section 01
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  • Section 05
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    • 4
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  • Section 10
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  • Section 15
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  • Section 20
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  • Section 25
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  • Section 30
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  • Section 35
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  • Section 40
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  • Section 45
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  • Section 50
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  • Section 55
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  • Section 60
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  • Section 65
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  • Section 70
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  • Section 75
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  • Section SLIT
    • 1
    • 2
  • Section IBC
    • 1