John Deere 12.5 L Marine Diesel Engines Operator’s Manual PDF

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John Deere 12.5 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

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John Deere 12.5 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

P/N: OMRG28994_71
Language: English
Division: Construction
Product Lines: Engines
Publication Type: Operator’s Manuals
Associated Models: 12.5L
Series: POWERTECH
Serial: 6125AFM01 MARINE DIESEL ENGINE

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 12.5 L Marine Diesel Engines (PowerTech™) Operator’s Manual – PDF DOWNLOAD

Contents 7
Record Keeping 11
PowerTech is a trademark of Deere & Company ™ Medallion 11
Record Engine Serial Number 11
Engine Option Codes 12
Safety 14
Recognize Safety Information 14
Understand Signal Words 14
Follow Safety Instructions 14
Replace Safety Signs 15
Prevent Machine Runaway 15
Handle Fuel Safely—Avoid Fires 15
Prepare for Emergencies 16
Handle Starting Fluid Safely 16
Handle Fluids Safely—Avoid Fires 16
Service Machines Safely 17
Wear Protective Clothing 17
Protect Against Noise 17
Handle Chemical Products Safely 18
Stay Clear of Rotating Drivelines 18
Practice Safe Maintenance 19
Work In Ventilated Area 19
Avoid High-Pressure Fluids 20
Avoid Heating Near Pressurized Fluid Lines 20
Do Not Open High-Pressure Fuel System 20
Remove Paint Before Welding or Heating 21
Service Cooling System Safely 21
Install All Guards 21
Avoid Hot Exhaust 22
Exhaust Filter Cleaning 22
Avoid Harmful Asbestos Dust 22
Prevent Battery Explosions 23
Work in Clean Area 23
Illuminate Work Area Safely 23
Handling Batteries Safely 24
Protect Against High Pressure Spray 24
Use Proper Lifting Equipment 25
Use Proper Tools 25
Decommissioning — Proper Recycling and Disposal of Fluids and Components 26
Precautions for Welding 27
California Proposition 65 Warning 27
Fuels, Lubricants, and Coolant 28
Diesel Fuel 28
Diesel Fuel Additive Products 28
Lubricity of Diesel Fuel 28
Filling Fuel Tank 29
Diesel Fuel Storage 29
Testing Diesel Fuel 29
Minimizing the Effect of Cold Weather on Diesel Engines 30
Bio-Diesel Fuel 30
Handling And Storing Bio-Diesel Fuel 31
Aviation (Jet) Fuels 31
Kerosene (Burner) Fuels 31
Diesel Engine Break-In Oil 32
Diesel Engine Oil 32
Extended Diesel Engine Oil Service Intervals 33
Mixing of Lubricants 33
OILSCAN OILSCAN is a trademark of Deere & Company ™and COOLSCAN COOLSCAN is a trademark of Deere & Company ™ 33
Alternative and Synthetic Lubricants 34
Lubricant Storage 34
Multipurpose Extreme Pressure (EP) Grease 34
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 35
Additional Information About Diesel Engine Coolants and John Deere LIQUID COOLANT CONDITIONER 36
Testing Diesel Engine Coolant 37
Supplemental Coolant Additives 37
Operating in Warm Temperature Climates 37
Disposing of Coolant 38
Engine Operating Guidelines 39
Sea Trials for Performance and Warranty 39
John Deere Instrument (Gauge) Panel 40
John Deere Instrument (Gauge) Panel (Continued) 41
Using Diagnostic Gauge to Access Engine Information 42
Using Touch Switches to Display Information 44
Changing Units of Measure (English or Metric) 46
Viewing Engine Configuration Data 48
Viewing Active Engine Service Codes/Diagnostic Trouble Codes (DTCs) 50
Viewing Stored Service Codes/Diagnostic Trouble Codes (DTCs) in the Engine ECU 52
Normal Engine Operation 53
Break-In Service 54
Auxiliary Gear Drive Limitations 56
Generator Set Applications 56
Starting the Engine 57
Restarting Engine Which Has Run Out Of Fuel (Later Engines)(011111- ) 58
Cold Weather Operation 58
Warming Engine 59
Avoid Excessive Engine Idling 59
Stopping the Engine 60
Using a Booster Battery or Charger 61
HelmView Display Panel 62
Product Information 62
Display Features 62
Navigation 63
Setting up your display for the first time 65
Product Features 67
Reprogramming the Display 74
Group Numbers 75
Lubrication and Maintenance 76
Required Emission-Related Information 76
Observe Service Intervals 76
Use Correct Fuels, Lubricants, and Coolant 76
Lubrication and Maintenance Service Interval Chart—Propulsion and Prime Power Units 77
Lubrication and Maintenance Service Interval Chart—Standby Generator Sets 79
Lubrication and Maintenance/Daily 80
Daily Prestarting Checks 80
Lubrication & Maintenance — 250 Hours/6 Months 83
Servicing Fire Extinguisher 83
Servicing Battery 83
Changing Engine Oil and Replacing Oil Filter 85
Visually Inspecting Coolant Pump 86
Checking Engine Mounts 87
Inspect and Replace Zinc Plugs – Heat Exchanger Engines 87
Lubrication & Maintenance — 500 Hours/12 Months 88
Cleaning and Inspecting Crankcase Ventilation Assembly 88
Checking Air Intake System 88
Replacing Final (Secondary) and Primary Fuel Filter Elements (Earlier Engines) 89
Replacing Fuel Filter Elements—Continued 89
Checking Engine Electrical Ground Connections 90
Checking Belt Tension and Belt Wear 90
Checking Cooling System 91
Checking Effectiveness of Coolant Solution 91
Adding Supplemental Coolant Additives (SCAs) 92
Pressure Testing Cooling System 93
Inspecting and Cleaning Heat Exchanger Core (Heat Exchanger Engines) 94
Lubrication & Maintenance — 2000 Hour/24 Month 95
Checking and Adjusting Engine Speeds 95
Checking and Adjusting Engine Valve Clearance and Electronic Unit Injector Preload 95
Checking Crankshaft Vibration Damper 95
Checking Insulation on Manifolds/Turbocharger 96
Flushing and Refilling Cooling System 97
Replacing Sea Water Pump Impeller With Pump Installed On Engine (Heat Exchanger Engines) 99
Removing and Installing Sea Water Pump 101
Disassembling, Inspecting and Repairing Sea Water Pump 102
Assembling Sea Water Pump 103
Service as Required 104
Additional Service Information 104
Replacing Fuel Filter/Cleaning Water Separator— Later Engines With Single Fuel Filter 104
Adding Coolant 106
Removing and Installing Thermostats 107
Inspecting Thermostats and Testing Opening Temperature 109
Servicing Air Cleaner Filter Element 110
Replacing Air Cleaner Filter Element 111
Replacing Poly V-Belt 112
Draining Fuel Filter Water Separator Bowl 113
Bleeding the Fuel System—Dual Fuel Filter (Earlier Engines)( -011110) 114
Bleeding Fuel System—Single Fuel Filter (Later Engines)(011111- ) 114
Checking Fuse 114
Checking Air Compressor 115
Troubleshooting 116
General Troubleshooting Information 116
Transition Harness Wiring Diagram 118
Coolant and Sea Water Flow—Heat Exchanger Engines 122
Electrical System Layout — 12 5 L Marine Engines 124
Precautions for Welding 125
Precautions For Welding On Vessels Equipped With Electronic Engine Control Unit (ECU) 126
Engine Wiring Diagram for John Deere Main (Wheel House) Instrument Panel 128
Engine Wiring Diagram for John Deere Main Instrument Panel (Continued) 129
Engine Wiring Diagram for John Deere Optional Flybridge Instrument Panel 130
Engine Wiring Diagram for John Deere Flybridge Instrument Panel (Continued) 131
Engine Wiring Diagram for John Deere Electronic Control Unit (ECU) 132
Engine Wiring Diagram for John Deere Electronic Control Unit (ECU) (Continued) 133
Engine Troubleshooting 134
Engine Troubleshooting (Continued) 135
Engine Troubleshooting (Continued) 137
Lubrication System Troubleshooting 138
Cooling System Troubleshooting 141
Air Intake System Troubleshooting 143
Low Pressure Fuel System Troubleshooting 146
Diagnostic Trouble Code Procedure 147
Listing of Diagnostic Trouble Codes (DTCs) 148
Listing of Diagnostic Trouble Codes (DTCs) (Continued) 149
Intermittent Fault Diagnostics 150
Storage 151
Engine Storage Guidelines 151
Preparing Engine for Long-Term Storage 151
Removing Engine from Long-Term Storage 151
Specifications 152
General Engine Specifications 152
Engine Power Specifications — Propulsion Applications 152
Engine Power Specifications — Generator Set Applications 152
Engine Crankcase Oil Fill Quantities 153
Unified Inch Bolt and Screw Torque Values 154
Metric Bolt and Screw Torque Values 155
Lubrication and Maintenance Records 156
Using Lubrication and Maintenance Records 156
Daily (Prestarting) Service 156
250 Hour/6 Month Service 156
500 Hour/12 Month Service 157
2000 Hour/24 Month Service 157
Service As Required 158
Emission Systems Warranty 159
Emissions Control System Certification Label 159
U S Marine Compression-Ignition Engine Emission Control Warranty Statement 160
European Union (EU) Declaration of Emissions Conformity 161
John Deere Service Literature Available 162
Technical Information 162
Page Number 7
Section 01 11
Section 05 14
Section 10 28
Section 15 39
Section 16 62
Section 20 76
Section 25 80
Section 30 83
Section 35 88
Section 40 95
Section 55 104
Section 60 116
Section 65 151
Section 70 152
Section 71 156
Section 75 159
Section 80 162

S.V 04/24