John Deere PowerTech 6081AFM75 Marine Engines Official Operator's Manual
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OMRG35860 Issue 02May06 (ENGLISH)
CONTENTS :
Record Keeping
Record Engine Serial Number ..............01-1
Engine Option Codes .....................01-2
Safety ................................05-1
Fuels, Lubricants, and Coolant
Diesel Fuel.............................10-1
Lubricity of Diesel Fuel....................10-1
Handling and Storing Diesel Fuel............10-2
Testing Diesel Fuel.......................10-2
Bio-Diesel Fuel..........................10-3
Minimizing the Effect of Cold Weather on
Diesel Engines ........................10-4
Diesel Engine Break-In Oil .................10-5
Diesel Engine Oil ........................10-6
Extended Diesel Engine Oil Service Intervals . . . 10-7
Mixing of Lubricants ......................10-7
OILSCAN™and COOLSCAN™ ..............10-8
Alternative and Synthetic Lubricants..........10-8
Lubricant Storage........................10-9
Grease................................10-9
Diesel Engine Coolant ...................10-10
Drain Intervals for Diesel Engine Coolant ....10-11
Supplemental Coolant Additives ............10-12
Additional Information About Diesel
Engine Coolants and Supplemental Coolant
Additives ............................10-13
Testing Diesel Engine Coolant.............10-14
Operating in Warm Temperature Climates ....10-15
Disposing of Coolant ....................10-15
Engine Operating Guidelines
John Deere Instrument (Gauge) Panel........15-1
John Deere Instrument (Gauge) Panel
(Continued)...........................15-3
Optional Electronic Displays to Monitor
Engine and Navigation ..................15-4
Using Diagnostic Gauge to Access Engine
Information ...........................15-5
Main Menu Navigation ....................15-6
Engine Configuration Data .................15-7
Accessing Stored Trouble Codes ............15-9
Accessing Active Trouble Codes ...........15-11
Engine Shutdown Codes .................15-13
Adjusting Backlighting....................15-15
Adjusting Contrast ......................15-17
Selecting Units Of Measurement ...........15-19
Setup 1-Up Display .....................15-21
Setup 4-Up Display .....................15-28
Normal Engine Operation .................15-33
Break-In Service........................15-34
Auxiliary Gear Drive Limitations ............15-36
Gen-Set Power Units ....................15-36
Starting the Engine......................15-37
Restarting Engine That Has Run Out Of
Fuel ...............................15-39
Cold Weather Operation ..................15-39
Warming Engine........................15-40
Idling Engine ..........................15-41
Stopping the Engine .....................15-42
Using A Booster Battery Or Charger ........15-44
Lubrication and Maintenance
Observe Service Intervals..................20-1
Use Correct Fuels, Lubricants And Coolant....20-1
Lubrication And Maintenance Service
Interval Chart—Propulsion Power Units .....20-2
Lubrication And Maintenance Service
Interval Chart—Generator Sets ............20-4
Lubrication & Maintenance/Daily
Daily Prestart Checks .....................25-1
Lubrication & Maintenance/250 Hour/6 Month
Servicing Fire Extinguisher.................30-1
Servicing Battery ........................30-2
Changing Engine Oil And Replacing Oil Filter . . 30-4
Visually Inspect Coolant Pump..............30-7
Checking Engine Mounts ..................30-7
Inspect And Replace Zinc Plugs -
Engines Equipped With Heat Exchanger.....30-8
Lubrication & Maintenance/500 Hour/12 Month
Replace Crankcase Vent Filter (If Equipped) . . . 35-1
Cleaning Crankcase Vent Tube .............35-1
Checking Air Intake System................35-2
Replacing Fuel Filter Elements ..............35-3
Checking Belt Tension And Belt Wear........35-5
Checking Cooling System..................35-6
Testing Diesel Engine Coolant..............35-7
Pressure Test Cooling System..............35-8
Checking And Adjusting Engine Speeds.......35-9
Checking Engine Electrical Ground
Connections ..........................35-9
Checking Crankshaft Vibration Damper ......35-10
Inspect And Clean Heat Exchanger Core (If
Equipped) ...........................35-12
Lubrication&Maintenance/2000 Hour/24Month
Flushing Cooling System ..................40-1
Testing Thermostats......................40-4
Checking Valve Clearance ................40-8
Adjusting Valve Clearance ...............40-11
Replace Sea Water Pump Impeller With
Pump Installed On Engine ..............40-15
Remove And Install Sea Water Pump .......40-17
Disassemble, Inspect And Repair Sea
Water Pump.........................40-18
Assemble Sea Water Pump...............40-20
Service As Required
Additional Service Information ..............45-1
Do Not Modify Fuel System................45-1
Drain Fuel/Water Separator Bowl (When
Audible Alarm Signals Water In Fuel).......45-2
Adding Coolant..........................45-3
Servicing Air Cleaner Filter Element ..........45-4
Replacing Air Cleaner Filter Element .........45-8
Replacing Belt ..........................45-9
Checking Fuses .........................45-9
Bleeding Fuel System....................45-10
Troubleshooting
General Troubleshooting Information .........50-1
Precautions For Welding On Vessels
Equipped With Electronic Engine Control Unit
(ECU) ...............................50-2
Engine Wiring Diagram for John Deere
Main (Wheel House) Instrument Panel......50-3
Engine Wiring Diagram for John Deere
Main Instrument Panel (Continued).........50-4
Engine Wiring Diagram for John Deere
Optional Fly Bridge Instrument Panel.......50-5
Engine Wiring Diagram for John Deere
Level III Electronic Control Unit ............50-6
Engine Coolant and Sea Water Flow (Heat
Exchanger Engines)....................50-8
Engine Troubleshooting ...................50-9
Electrical Troubleshooting.................50-11
Retrieving Diagnostic Trouble Codes ........50-12
Displaying Of Diagnostic Trouble Codes
(DTCs) .............................50-13
Listing Of Diagnostic Trouble Codes (DTC) . . . 50-14
Intermittent Fault Diagnostics ..............50-18
Displaying Diagnostic Gauge Software.......50-18
Storage
Engine Storage Guidelines .................55-1
Preparing Engine for Long-Term Storage......55-2
Removing Engine from Long-Term Storage....55-3
General Engine Information ................55-4
Specifications
General Engine Specifications ..............60-1
Power And Speed Specifications—
Propulsion Applications ..................60-1
Power And Speed Specifications—
Generator Set Applications ...............60-1
Engine Crankcase Oil Fill Quantities .........60-2
Unified Inch Bolt and Screw Torque Values ....60-3
Metric Bolt and Screw Torque Values.........60-4
Lubrication and Maintenance Records
Using Lubrication And Maintenance Records . . . 65-1
Daily (Prestart) Service....................65-1
250 Hour Service ........................65-2
500 Hour/12 Month Service ................65-3
2000 Hour/24 Month Service ...............65-4
Service As Required......................65-5
Emission System Warranty
Emissions Control System Certification Label. . . 70-1
U.S. EPA Emissions Control Warranty
Statement ............................70-2
EU Declaration of Emissions Conformity ......70-2
