John Deere 4.5L 6.8L Marine Diesel Engine (PowerTech) Operator Manual OMRG28997

Contents:
Record Keeping
Medallion
Engine Serial Number Plate
Record Engine Serial Number
Engine Option Codes
Record Fuel Injection Pump Model Number
Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Replace Safety Signs
California Proposition 65 Warning
Illuminate Work Area Safely
Work in Clean Area
Use Proper Tools
Live With Safety
Prevent Machine Runaway
Handle Fuel Safely-Avoid Fires
Prepare for Emergencies
Handle Starting Fluid Safely
In Case of Fire
Handle Fluids Safely-Avoid Fires
Avoid Static Electricity Risk When Refueling
Service Machines Safely
Wear Protective Clothing
Protect Against Noise
Handling Batteries Safely
Prevent Acid Burns
Stay Clear of Rotating Drivelines
Install All Guards
Practice Safe Maintenance
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Do Not Open High-Pressure Fuel System
Protect Against High Pressure Spray
Prevent Battery Explosions
Avoid Hot Exhaust
Work In Ventilated Area
Service Cooling System Safely
Decommissioning – Proper Recycling and Disposal of Fluids and Components
Fuels, Lubricants, and Coolant
Diesel Fuel
Supplemental Diesel Fuel Additives
Lubricity of Diesel Fuel
Handling and Storing Diesel Fuel
Biodiesel Fuel
Testing Diesel Fuel
Fuel Filters
Minimizing the Effect of Cold Weather on Diesel Engines
Diesel Engine Break-In Oil – Non-Emissions Certified and Certified Tier 1, Tier 2, Tier 3, Stage I, Stage II, and Stage III
Diesel Engine Oil – Non-Emissions Certified and Certified Tier 1 and Stage I
Extended Diesel Engine Oil Service Intervals – Non-Emissions Certified and Certified Tier 1 and Stage I
Mixing of Lubricants
Alternative and Synthetic Lubricants
Lubricant Storage
Oil Filters
Diesel Engine Coolant (engine with wet sleeve cylinder liners)
Water Quality for Mixing with Coolant Concentrate
Operating in Warm Temperature Climates
Testing Coolant Freeze Point
Disposing of Coolant
Engine Operating Guidelines
Sea Trials for Performance and Warranty
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
Warming Engine
Idling Engine
Cold Weather Operation
Stopping the Engine
Using a Booster Battery or Charger
HelmView Display Panel
Product Information
Display Features
Navigation
Setting up your display for the first time
Product Features
Reprogramming the Display
Group Numbers
Lubrication and Maintenance
Observe Service Intervals
Use Correct Fuels, Lubricants, and Coolant
Lubrication and Maintenance Service Interval Chart-Propulsion and Power Units
Lubrication & Maintenance – Daily
Daily Prestarting Checks
Lubrication & Maintenance – 50 Hours/2 Weeks
Checking Fuel Filter-4.5 L Engine
Checking Fuel Filter-6.8 L Engine
Lubrication & Maintenance – 250 Hours
Servicing Fire Extinguisher
Servicing Battery
Changing Engine Oil and Replacing Oil Filter (Except 6068SFM50 Engines)
Inspect and Replacing Zinc Plugs
Checking Belt Wear (Manual Tensioner)
Checking Engine Mounts
Checking Engine Electrical Ground Connections
Lubrication & Maintenance – 500 Hours/12 Months
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/WaterSeparator-6.8 L Engine
Replacing Final (Secondary) FuelFilter 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 EngineHeat Exchanger Core
Install Heat Exchanger Core
Remove, Inspect and Clean EngineAftercooler Core (6068SFM50)
Install Aftercooler Core (6068SFM50)
Lubrication & Maintenance – 1000 Hours/24 Months
Adjusting Variable Speed (Droop) on Generator Set Engines
Pressure Testing Cooling System
Inspect and Repair Sea Water Pump (Except 6068SFM50)
Inspect And Repair Sea Water Pump (6068SFM50)
Lubrication & Maintenance – 2000 Hours
Checking and Adjusting Engine Valve Clearance
Flushing Cooling System
Checking Crankshaft Vibration Damper (6-Cylinder Engine Only)
Service as Required
Additional Service Information
Do Not Modify Fuel System
Adding Coolant
Pre-Start Cleaning Guide
Replacing Dry Air Cleaner Element (Enclosed Element Installations)
Servicing Dry Air Cleaner Element (Open Element Installations)
Replacing Air Filter Element (Open Element Installations)
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
Transition Harness Wiring Diagram
Propulsion Engine Wiring Harness (Except 6068SFM50)
Wiring Diagram-Propulsion Engine Wiring Harness (Except 6068SFM50)
Wiring Diagram-Propulsion Engine Instrument Panel (Except 6068SFM50)
Precautions for Welding
Precautions For Welding On Vessels 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 Screw Torque Values
Metric Bolt and 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
Warranty
John Deere Warranty in OEM Applications
Emissions Control System Certification Label
U.S. Marine Compression-Ignition Engine Emission Control Warranty Statement
European Union (EU) Declaration of Emissions Conformity
John Deere Service Literature Available
Technical Information
Publications For This Engine