John Deere PowerTech 6081AFM75 Marine Engines Official Operator’s Manual

John Deere PowerTech 6081AFM75 Marine Engines Official Operator’s Manual

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This manual contains information and data to this model. Has specs, diagrams, and actual real photo illustrations, These technical manual is as good as it gets for Operating and Maintenancing John Deere machinery. In addition to space savings, nice thing about having PDF files instead of a hard-printed manual is that you can use the Search feature in Acrobat to find just what your looking for and just print out the exact pages you need… or all manual. 

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

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