John Deere 4.5 L & 6.8 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

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John Deere 4.5 L & 6.8 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

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John Deere 4.5 L & 6.8 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

• P/N: OMRG28997_61
• Language: English
• Division: Construction
• Product Lines: Engines
• Publication Type: Operator’s Manuals
• Associated Models: 4.5L, 6.8L, 4045, 6068
• Series: POWERTECH 4.5 L and 6.8 L Marine Diesel Engines; 4045TFM50, 6068TFM50, 6068SFM50

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 4.5 L & 6.8 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

Contents 11
Record Keeping 15
Medallion 15
Engine Serial Number Plate 15
Record Engine Serial Number 15
Engine Option Codes 16
Record Fuel Injection Pump Model Number 18
Safety 19
Recognize Safety Information 19
Understand Signal Words 19
Follow Safety Instructions 19
Replace Safety Signs 20
California Proposition 65 Warning 20
Illuminate Work Area Safely 20
Work in Clean Area 20
Use Proper Tools 21
Live With Safety 21
Prevent Machine Runaway 21
Handle Fuel Safely—Avoid Fires 22
Prepare for Emergencies 22
Handle Starting Fluid Safely 22
In Case of Fire 23
Handle Fluids Safely—Avoid Fires 23
Avoid Static Electricity Risk When Refueling 24
Service Machines Safely 24
Wear Protective Clothing 24
Protect Against Noise 25
Handling Batteries Safely 25
Prevent Acid Burns 26
Stay Clear of Rotating Drivelines 26
Install All Guards 27
Practice Safe Maintenance 27
Remove Paint Before Welding or Heating 28
Avoid Heating Near Pressurized Fluid Lines 28
Avoid High-Pressure Fluids 28
Do Not Open High-Pressure Fuel System 29
Protect Against High Pressure Spray 29
Prevent Battery Explosions 29
Avoid Hot Exhaust 30
Work In Ventilated Area 30
Service Cooling System Safely 30
Decommissioning — Proper Recycling and Disposal of Fluids and Components 31
Fuels, Lubricants, and Coolant 32
Diesel Fuel 32
Supplemental Diesel Fuel Additives 33
Lubricity of Diesel Fuel 33
Handling and Storing Diesel Fuel 33
Biodiesel Fuel 34
Testing Diesel Fuel 35
Fuel Filters 35
Minimizing the Effect of Cold Weather on Diesel Engines 36
Diesel Engine Break-In Oil — Non-Emissions Certified and Certified Tier 1, Tier 2, Tier 3, Stage I, Stage II, and Stage III 37
Diesel Engine Oil — Non-Emissions Certified and Certified Tier 1 and Stage I 38
Extended Diesel Engine Oil Service Intervals — Non-Emissions Certified and Certified Tier 1 and Stage I 39
Mixing of Lubricants 39
Alternative and Synthetic Lubricants 39
Lubricant Storage 40
Oil Filters 40
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 41
Water Quality for Mixing with Coolant Concentrate 42
Operating in Warm Temperature Climates 42
Testing Coolant Freeze Point 43
Disposing of Coolant 43
Engine Operating Guidelines 44
Sea Trials for Performance and Warranty 44
Instrument (Gauge) Panel (Propulsion Units Only) (Except 6068SFM50) 45
John Deere Instrument Panel (6068SFM50 Electronically Controlled Engine) 48
Using Diagnostic Gauge To Access Engine Information (6068SFM50 Engine) 50
Using Touch Switches To Display Information (6068SFM50 Engine) 52
Changing Units Of Measure (English Or Metric) (6068SFM50 Engine) 54
Viewing Engine Configuration Data (6068SFM50 Engine) 56
Viewing Active Engine Service Codes (DTC) (6068SFM50 Engine) 58
Viewing Stored Service Codes (DTC) In The Engine ECU (6068SFM50 Engine) 60
Normal Engine Operation 61
Break-In Service 61
Auxiliary Gear Drive Limitations 64
Generator Set Power Units 64
Starting the Engine 65
Warming Engine 68
Idling Engine 68
Cold Weather Operation 69
Stopping the Engine 70
Using a Booster Battery or Charger 71
HelmView Display Panel 72
Product Information 72
Display Features 72
Navigation 73
Setting up your display for the first time 75
Product Features 77
Reprogramming the Display 84
Group Numbers 85
Lubrication and Maintenance 86
Observe Service Intervals 86
Use Correct Fuels, Lubricants, and Coolant 86
Lubrication and Maintenance Service Interval Chart—Propulsion and Power Units 87
Lubrication & Maintenance — Daily 89
Daily Prestarting Checks 89
Lubrication & Maintenance — 50 Hours/2 Weeks 92
Checking Fuel Filter—4 5 L Engine 92
Checking Fuel Filter—6 8 L Engine 92
Lubrication & Maintenance — 250 Hours 93
Servicing Fire Extinguisher 93
Servicing Battery 93
Changing Engine Oil and Replacing Oil Filter (Except 6068SFM50 Engines) 95
Inspect and Replacing Zinc Plugs 96
Checking Belt Wear (Manual Tensioner) 97
Checking Engine Mounts 98
Checking Engine Electrical Ground Connections 98
Lubrication & Maintenance — 500 Hours/12 Months 99
Changing Engine Oil and Replacing Filter (6068SFM50 Engines) 99
Cleaning Crankcase Vent Tube 101
Checking Air Intake System 102
Replacing Fuel Filter Element—4 5 L Engine 103
Replacing Primary Fuel Filter/WaterSeparator—6 8 L Engine 104
Replacing Final (Secondary) FuelFilter Element—6 8 L Engine 105
Checking Belt Tensioner Spring Tension and Belt Wear (Automatic Tensioner) 106
Checking Cooling System 108
Replenishing Supplemental Coolant Additives (SCAs) Between Coolant Changes 109
Testing Diesel Engine Coolant 110
Remove, Inspect and Clean EngineHeat Exchanger Core 110
Install Heat Exchanger Core 112
Remove, Inspect and Clean EngineAftercooler Core (6068SFM50) 113
Install Aftercooler Core (6068SFM50) 114
Lubrication & Maintenance — 1000 Hours/24 Months 115
Adjusting Variable Speed (Droop) on Generator Set Engines 115
Pressure Testing Cooling System 117
Inspect and Repair Sea Water Pump (Except 6068SFM50) 118
Inspect And Repair Sea Water Pump (6068SFM50) 119
Lubrication & Maintenance — 2000 Hours 121
Checking and Adjusting Engine Valve Clearance 121
Flushing Cooling System 126
Checking Crankshaft Vibration Damper (6-Cylinder Engine Only) 128
Service as Required 129
Additional Service Information 129
Do Not Modify Fuel System 129
Adding Coolant 130
Pre-Start Cleaning Guide 130
Replacing Dry Air Cleaner Element (Enclosed Element Installations) 131
Servicing Dry Air Cleaner Element (Open Element Installations) 132
Replacing Air Filter Element (Open Element Installations) 134
Replacing Alternator Belt (With Automatic Tensioner) 135
Replacing Alternator Belt (With Manual Tensioner) 136
Inspect Driveline (PTO) (If Equipped) 136
Bleeding the Fuel System 137
Bleeding Fuel System—4 5 L Engine 137
Bleeding Fuel System—6 8 L Engine (Except 6068SFM50 Engines) 138
Bleeding Fuel System at Fuel Injection Pump (Except 6068SFM50 Engines) 138
Bleeding Fuel System At Fuel Injection Nozzles (Except 6068SFM50 Engines) 139
Bleeding Fuel System—6 8 L Engines (6068SFM50 Engines) 139
Remove and Install Auxiliary Gear Driven Sea Water Pump (Except 6068SFM50) 141
Remove And Install Sea Water Pump (6068SFM50) 142
Troubleshooting 143
General Troubleshooting Information 143
Transition Harness Wiring Diagram 144
Propulsion Engine Wiring Harness (Except 6068SFM50) 148
Wiring Diagram—Propulsion Engine Wiring Harness (Except 6068SFM50) 149
Wiring Diagram—Propulsion Engine Instrument Panel (Except 6068SFM50) 150
Precautions for Welding 151
Precautions For Welding On Vessels Equipped With Electronic Engine Control Unit (ECU) 151
Wiring Diagram For John Deere Main (Wheel House) Instrument Panel (6068SFM50) 153
Wiring Diagram For John Deere Optional Flybridge Instrument Panel (6068SFM50) 160
Engine Coolant and Sea Water Flow (Except 6068SFM50) 165
Engine Coolant and Sea Water Flow (6068SFM50) 167
Engine Troubleshooting 169
Electrical Troubleshooting 174
Diagnostic Trouble Code Procedure (6068SFM50 Electronically-Controlled Engine) 175
Listing Of Diagnostic Trouble Codes (DTC) (6068SFM50 Engine) 176
Intermittent Fault Diagnostics (6068SFM50 Engine) 178
Storage 179
Engine Storage Guidelines 179
Preparing Engine for Long-Term Storage 179
Removing Engine from Long-Term Storage 180
Specifications 181
General Engine Specifications—4 5 L Engines 181
General Engine Specifications—6 8 L Engines 182
Fuel Injection Pump Specifications 183
Engine Crankcase Oil Fill Quantities 184
Unified Inch Bolt and Screw Torque Values 185
Metric Bolt and Screw Torque Values 186
Lubrication and Maintenance Records 187
Using Lubrication and Maintenance Records 187
Daily (Prestarting) Service 187
50 Hour/Every 2 Weeks Service 187
250 Hour Service 188
500 Hour/12 Month Service 189
1000 Hour/24 Month Service 189
2000 Hour Service 190
Service As Required 191
Warranty 192
John Deere Warranty in OEM Applications 192
Emissions Control System Certification Label 195
U S Marine Compression-Ignition Engine Emission Control Warranty Statement 196
European Union (EU) Declaration of Emissions Conformity 197
John Deere Service Literature Available 198
Technical Information 198
Publications For This Engine 199
Page Number 11
Section 01 15
Section 05 19
Section 10 32
Section 15 44
Section 16 72
Section 20 86
Section 25 89
Section 30 92
Section 35 93
Section 40 99
Section 45 115
Section 50 121
Section 55 129
Section 60 143
Section 65 179
Section 70 181
Section 74 187
Section 75 192
Section 80 198

S.V 04/24