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John Deere POWERTECH™  4.5L and 6.8L Tier2  Stage II Marine Engines OPERATOR’S MANUAL

John Deere POWERTECH™ 4.5L and 6.8L Tier2 Stage II Marine Engines OPERATOR’S MANUAL

  • $30.00


John Deere POWERTECH 4.5L and 6.8L Tier2 Stage II Marine Engines OPERATOR’S MANUAL

The Best  PDF Manuals Online Includes : Bookmarks + Searchable Text + Index = Fast Navigation And Best Organization ! 


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 Diagnosing, Repairing, 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. 

Models Covered :

POWERTECH
4045DFM70/TFM75,
6068SFM50/75,
6068TFM75/76
Marine Engines



CONTENTS : 

Record Keeping John Deere Instrument (Gauge) Panel
PowerTech Medallion . . . . . . . . . . . . . . . . . . . . . 01-1 (Electronically Controlled Engines)
Engine Serial Number Plate . . . . . . . . . . . . . . . . 01-1 (Continued) . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-5
Record Engine Serial Number . . . . . . . . . . . . . . 01-1 Optional Electronic Displays to Monitor
Engine Option Codes . . . . . . . . . . . . . . . . . . . . . 01-2 Engine and Navigation . . . . . . . . . . . . . . . . . . 15-6
Engine Option Codes-Continued . . . . . . . . . . . . 01-3 Using Diagnostic Gauge to Access Engine
Record Fuel Injection Pump or Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-7
High-Pressure Fuel Pump Model Number. . . . 01-4 Main Menu Navigation . . . . . . . . . . . . . . . . . . . . 15-8
Record Engine Control Unit (ECU) Serial Engine Configuration Data . . . . . . . . . . . . . . . . . 15-9
Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-4 Accessing Stored Trouble Codes . . . . . . . . . . . 15-11
Accessing Active Trouble Codes . . . . . . . . . . . 15-13
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1 Engine Shutdown Codes . . . . . . . . . . . . . . . . . 15-15
Adjusting Backlighting. . . . . . . . . . . . . . . . . . . . 15-17
Fuels, Lubricants, and Coolant Adjusting Contrast . . . . . . . . . . . . . . . . . . . . . . 15-19
Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1 Selecting Units Of Measurement . . . . . . . . . . . 15-21
Lubricity of Diesel Fuel . . . . . . . . . . . . . . . . . . . . 10-1 Setup 1-Up Display . . . . . . . . . . . . . . . . . . . . . 15-23
Handling and Storing Diesel Fuel . . . . . . . . . . . . 10-2 Setup 4-Up Display . . . . . . . . . . . . . . . . . . . . . 15-30
Testing Diesel Fuel. . . . . . . . . . . . . . . . . . . . . . . 10-2 Normal Engine Operation . . . . . . . . . . . . . . . . . 15-35
Bio-Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3 Break-In Service. . . . . . . . . . . . . . . . . . . . . . . . 15-35
Minimizing the Effect of Cold Weather on Auxiliary Gear Drive Limitations . . . . . . . . . . . . 15-39
Diesel Engines . . . . . . . . . . . . . . . . . . . . . . . . 10-4 Generator Set Power Units. . . . . . . . . . . . . . . . 15-40
Diesel Engine Break-In Oil . . . . . . . . . . . . . . . . . 10-5 Starting the Engine. . . . . . . . . . . . . . . . . . . . . . 15-41
Diesel Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . 10-6 Emergency Starting Of 6068SFM50 and
Extended Diesel Engine Oil Service Intervals . . . 10-7 6068SFM75 With Electronic Failure . . . . . . . 15-43
Mixing of Lubricants . . . . . . . . . . . . . . . . . . . . . . 10-7 Warming Engine. . . . . . . . . . . . . . . . . . . . . . . . 15-44
Oil Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-7 Idling Engine . . . . . . . . . . . . . . . . . . . . . . . . . . 15-45
OILSCAN™and COOLSCAN™ . . . . . . . . . . . . . . 10-8 Engaging And Disengaging Front PTO (If
Alternative and Synthetic Lubricants. . . . . . . . . . 10-8 Equipped) . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-45
Lubricant Storage . . . . . . . . . . . . . . . . . . . . . . . . 10-9 Cold Weather Operation. . . . . . . . . . . . . . . . . . 15-46
Grease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-9 Stopping the Engine . . . . . . . . . . . . . . . . . . . . . 15-47
Diesel Engine Coolant . . . . . . . . . . . . . . . . . . . 10-10 Using a Booster Battery or Charger . . . . . . . . . 15-49
Drain Intervals for Diesel Engine Coolant . . . . 10-11 Lubrication and Maintenance
Supplemental Coolant Additives . . . . . . . . . . . . 10-12 Observe Service Intervals. . . . . . . . . . . . . . . . . . 20-1
Testing Diesel Engine Coolant . . . . . . . . . . . . . 10-12 Use Correct Fuels, Lubricants, and Coolant . . . . 20-2
Operating in Warm Temperature Climates . . . . 10-13 Lubrication and Maintenance Service
Disposing of Coolant . . . . . . . . . . . . . . . . . . . . 10-13 Interval Chart—Propulsion Power Units . . . . . 20-3
Lubrication and Maintenance Service
Engine Operating Guidelines Interval Chart—Generator Sets . . . . . . . . . . . . 20-5
John Deere Instrument (Gauge) Panel
(Mechanically Controlled 4045DFM70 Engines Lubrication & Maintenance/Daily
Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1 Daily Prestarting Checks . . . . . . . . . . . . . . . . . . 25-1
John Deere Instrument (Gauge) Panel
(Electronically Controlled Engines) . . . . . . . . . 15-3
Lubrication & Maintenance/250 Hour/6 Month Replacing Dry Air Cleaner Element
Changing Engine Oil and Replacing Oil Filter . . . 30-1 (Enclosed Element Installations) . . . . . . . . . . . 45-3
Servicing Fire Extinguisher . . . . . . . . . . . . . . . . . 30-3 Servicing Air Cleaner Filter Element . . . . . . . . . . 45-4
Servicing Battery . . . . . . . . . . . . . . . . . . . . . . . . 30-4 Replacing Air Cleaner Filter Element . . . . . . . . . 45-8
Inspect and Replacing Zinc Plugs. . . . . . . . . . . . 30-6 Replacing Alternator Belt (With Automatic
Checking Belt Wear (Manual Tensioner) . . . . . . 30-7 Tensioner). . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-9
Checking Engine Mounts . . . . . . . . . . . . . . . . . . 30-8 Replacing Alternator Belt (With Manual
Tensioner). . . . . . . . . . . . . . . . . . . . . . . . . . . 45-10
Lubrication & Maintenance/500 Hour/12 Month Check Front Power Take-Off (PTO) . . . . . . . . . 45-11
Replace Crankcase Vent Filter (If Equipped) . . . 35-1 Bleeding the Fuel System—Engines
Checking Crankcase Vent System . . . . . . . . . . . 35-1 With Mechanical Fuel Supply Pump . . . . . . . 45-12
Checking Air Intake System . . . . . . . . . . . . . . . . 35-3 Bleeding Fuel System—Engines With
Replacing Final Fuel Filter/Water Separator . . . . 35-4 Electric Fuel Supply Pump . . . . . . . . . . . . . . 45-14
Replacing Primary Fuel Filter Element . . . . . . . . 35-6 Bleeding Fuel System—6068SFM75 . . . . . . . . 45-16
Checking Belt Tensioner Spring Tension Remove and Install Auxiliary Gear
and Belt Wear (Automatic Tensioner) . . . . . . . 35-8 Driven Sea Water Pump (Except
Checking Cooling System. . . . . . . . . . . . . . . . . 35-10 6068SFM50) . . . . . . . . . . . . . . . . . . . . . . . . . 45-18
Replenishing Supplemental Coolant Remove And Install Sea Water Pump
Additives (SCAs) Between Coolant (6068SFM50) . . . . . . . . . . . . . . . . . . . . . . . . 45-19
Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-11
Testing Diesel Engine Coolant . . . . . . . . . . . . . 35-13 Troubleshooting
Remove, Inspect and Clean Engine Heat General Troubleshooting Information . . . . . . . . . 50-1
Exchanger Core . . . . . . . . . . . . . . . . . . . . . . 35-14 Precautions For Welding On Engines
Install Heat Exchanger Core. . . . . . . . . . . . . . . 35-16 Equipped With Electronic Engine Control Unit
Remove, Inspect and Clean Engine (ECU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-2
Aftercooler Core (6068SFM50) . . . . . . . . . . . 35-18 Propulsion Engine Wiring Harness -
Install Aftercooler Core (6068SFM50). . . . . . . . 35-19 Mechanically Controlled Engine
Pressure Testing Cooling System. . . . . . . . . . . 35-20 (4045DFM70) . . . . . . . . . . . . . . . . . . . . . . . . . 50-4
Checking and Adjusting Engine Speeds . . . . . . 35-21 Propulsion Engine Instrument Panel -
Checking Engine Electrical Ground Mechanically Controlled Engine
Connections . . . . . . . . . . . . . . . . . . . . . . . . . 35-21 (4045DFM70) . . . . . . . . . . . . . . . . . . . . . . . . . 50-7
Electronically Controlled Engine
Lubrication&Maintenance/2000 Hour/24 Month Electrical System Layout — 6068SFM50
Checking and Adjusting Engine Valve Shown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-8
Clearance (Except 6068SFM75) . . . . . . . . . . . 40-1 Wiring Diagram for John Deere Main
Checking and Adjusting Engine Valve Station (Wheel House) Instrument
Clearance (6068SFM75) . . . . . . . . . . . . . . . . . 40-4 Panel - Electronically Controlled Engine . . . . 50-10
Flushing And Refilling Cooling System . . . . . . . . 40-6 Wiring Diagram for John Deere Main
Inspecting Thermostats and Testing Station (Wheel House) Instrument
Opening Temperature . . . . . . . . . . . . . . . . . . . 40-9 Panel - Electronically Controlled Engine
Checking Crankshaft Vibration Damper (Continued) . . . . . . . . . . . . . . . . . . . . . . . . . . 50-11
(6-Cylinder Engine Only). . . . . . . . . . . . . . . . 40-10 Wiring Diagram for John Deere Optional Fly
Inspect and Repair Sea Water Pump Bridge Instrument Panel - Electronically Controlled
(Except 6068SFM50) . . . . . . . . . . . . . . . . . . 40-11 Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-12
Inspect And Repair Sea Water Pump 6068SFM50 Marine Electronic Control
(6068SFM50) . . . . . . . . . . . . . . . . . . . . . . . . 40-14 System Wiring Diagram . . . . . . . . . . . . . . . . 50-14
Testing Glow Plugs for Continuity Engine Coolant and Sea Water Flow For
(6068SFM75) . . . . . . . . . . . . . . . . . . . . . . . . 40-16 Heat Exchanger Engines (Except
6068SFM50,75) . . . . . . . . . . . . . . . . . . . . . . 50-16
Service as Required Engine Coolant and Sea Water Flow
Additional Service Information . . . . . . . . . . . . . . 45-1 (6068SFM50, 6068SFM75). . . . . . . . . . . . . . 50-18
Do Not Modify Fuel System . . . . . . . . . . . . . . . . 45-1
Adding Coolant. . . . . . . . . . . . . . . . . . . . . . . . . . 45-2
Engine Troubleshooting . . . . . . . . . . . . . . . . . . 50-19
Electrical Troubleshooting. . . . . . . . . . . . . . . . . 50-26
Blink Code Method for Retrieving
Diagnostic Trouble Codes. . . . . . . . . . . . . . . 50-28
Instrument Panel Method for Retrieving
Diagnostic Trouble Codes. . . . . . . . . . . . . . . 50-29
Listing Of Diagnostic Trouble Codes (DTC) . . . 50-30
Intermittent Fault Diagnostics . . . . . . . . . . . . . . 50-34
Displaying Diagnostic Gauge Software. . . . . . . 50-34
Storage
Engine Storage Guidelines . . . . . . . . . . . . . . . . . 55-1
Preparing Engine for Long Term Storage . . . . . . 55-2
Removing Engine from Long-Term Storage . . . . 55-3
Specifications
General Engine Specifications—4.5 L
Engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60-1
General Engine Specifications—6.8 L
Engines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60-2
Fuel Injection Pump Specifications . . . . . . . . . . . 60-3
Engine Crankcase Oil Fill Quantities . . . . . . . . . 60-4
Unified Inch Bolt and Screw Torque Values . . . . 60-6
Metric Bolt and Screw Torque Values. . . . . . . . . 60-7
Lubrication and Maintenance Records
Using Lubrication and Maintenance Records . . . 65-1
Daily (Prestarting) Service . . . . . . . . . . . . . . . . . 65-1
250 Hour/6 Month Service . . . . . . . . . . . . . . . . . 65-2
500 Hour/12 Month Service . . . . . . . . . . . . . . . . 65-3
2000 Hour 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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Language: English 
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