John Deere POWERTECH E 4.5 and 6.8 L 4045 and 6068 Tier 3, Stage 3A OEM Diesel Engines Index:

Record Keeping Accessing Active Trouble Codes . . . . . . . . . . . 15-10
Engine Serial Number Plate . . . . . . . . . . . . . . . . 01-1 Engine Shutdown Codes . . . . . . . . . . . . . . . . . 15-12
Record Engine Serial Number . . . . . . . . . . . . . . 01-1 Adjusting Backlighting. . . . . . . . . . . . . . . . . . . . 15-13
Engine Option Codes . . . . . . . . . . . . . . . . . . . . . 01-2 Adjusting Contrast . . . . . . . . . . . . . . . . . . . . . . 15-15
Record Engine Control Unit (ECU) Serial Selecting Units Of Measurement . . . . . . . . . . . 15-17
Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-4 Setup 1-Up Display . . . . . . . . . . . . . . . . . . . . . 15-20
Record High-Pressure Fuel Pump Model Setup 4-Up Display . . . . . . . . . . . . . . . . . . . . . 15-26
Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 01-4
Engine Operation
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 05-1 Engine Break-In Service. . . . . . . . . . . . . . . . . . . 20-1
Starting the Engine. . . . . . . . . . . . . . . . . . . . . . . 20-4
Fuels, Lubricants, and Coolant Normal Engine Operation . . . . . . . . . . . . . . . . . . 20-7
Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1 Warming Engine. . . . . . . . . . . . . . . . . . . . . . . . . 20-8
Lubricity of Diesel Fuel . . . . . . . . . . . . . . . . . . . . 10-1 Cold Weather Operation. . . . . . . . . . . . . . . . . . . 20-9
Handling and Storing Diesel Fuel . . . . . . . . . . . . 10-2 Using a Booster Battery or Charger . . . . . . . . . 20-11
Testing Diesel Fuel. . . . . . . . . . . . . . . . . . . . . . . 10-2 Avoid Excessive Engine Idling . . . . . . . . . . . . . 20-12
Bio-Diesel Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3 Changing Engine Speed. . . . . . . . . . . . . . . . . . 20-13
Minimizing the Effect of Cold Weather on Stopping The Engine . . . . . . . . . . . . . . . . . . . . 20-16
Diesel Engines . . . . . . . . . . . . . . . . . . . . . . . . 10-4 Auxiliary Gear Drive Limitations . . . . . . . . . . . . 20-17
Diesel Engine Break-In Oil . . . . . . . . . . . . . . . . . 10-5 Generator Set (Standby) Applications. . . . . . . . 20-17
Diesel Engine Oil . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Diesel Engine Oil and Filter Service Intervals . . . 10-7 Lubrication and Maintenance
Mixing of Lubricants . . . . . . . . . . . . . . . . . . . . . . 10-9 Observe Service Intervals. . . . . . . . . . . . . . . . . . 25-1
OILSCAN™and COOLSCAN™ . . . . . . . . . . . . . . 10-9 Use Correct Fuels, Lubricants, and Coolant . . . . 25-1
Alternative and Synthetic Lubricants. . . . . . . . . 10-10 Lubrication and Maintenance Service
Lubricant Storage . . . . . . . . . . . . . . . . . . . . . . . 10-10 Interval Chart—Standard Industrial Engines . . 25-2
Oil Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-10 Lubrication and Maintenance Service
Diesel Engine Coolant . . . . . . . . . . . . . . . . . . . 10-11 Interval Chart—Generator (Standby)
Drain Intervals for Diesel Engine Coolant . . . . 10-12 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . 25-4
Additional Information About Diesel
Engine Coolants and Supplemental Coolant Lubrication & Maintenance/Daily
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-13 Daily Prestarting Checks . . . . . . . . . . . . . . . . . . 30-1
Testing Diesel Engine Coolant . . . . . . . . . . . . . 10-14
Operating in Warm Temperature Climates . . . . 10-15 Lubrication & Maintenance/500 Hour/12 Month
Disposing of Coolant . . . . . . . . . . . . . . . . . . . . 10-15 Servicing Fire Extinguisher . . . . . . . . . . . . . . . . . 35-1
Checking Engine Mounts . . . . . . . . . . . . . . . . . . 35-1
Instrument Panels Servicing Battery . . . . . . . . . . . . . . . . . . . . . . . . 35-2
Instrument Panels. . . . . . . . . . . . . . . . . . . . . . . . 15-1 Changing Engine Oil and Replacing Filter . . . . . 35-4
Using Diagnostic Gauge to Access Engine Checking Crankcase Vent System . . . . . . . . . . . 35-7
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-4 Checking Air Intake System . . . . . . . . . . . . . . . . 35-8
Main Menu Navigation . . . . . . . . . . . . . . . . . . . . 15-5 Replacing Fuel Filter Elements. . . . . . . . . . . . . . 35-9
Engine Configuration Data . . . . . . . . . . . . . . . . . 15-6
Accessing Stored Trouble Codes . . . . . . . . . . . . 15-8 Continued on next page
All information, illustrations and specifications in this manual are based on
the latest information available at the time of publication. The right is
reserved to make changes at any time without notice.
COPYRIGHT © 2006
DEERE & COMPANY
Moline, Illinois
All rights reserved
A John Deere ILLUSTRUCTION® Manual
i 051706
PN=1
Contents
Page Page
Checking Belt Tensioner Spring Tension Listing of Diagnostic Trouble Codes (DTCs) . . . 50-15
and Belt Wear (Automatic Tensioner) . . . . . . 35-11 Intermittent Fault Diagnostics (With
Checking Engine Electrical Ground Electronic Controls). . . . . . . . . . . . . . . . . . . . 50-17
Connections . . . . . . . . . . . . . . . . . . . . . . . . . 35-13 Displaying Diagnostic Gauge Software . . . . . . . 50-18
Checking Cooling System. . . . . . . . . . . . . . . . . 35-13
Replenishing Supplemental Coolant Storage
Additives (SCAs) Between Coolant Engine Storage Guidelines . . . . . . . . . . . . . . . . . 55-1
Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35-14 Preparing Engine for Long Term Storage. . . . . . 55-2
Testing Diesel Engine Coolant . . . . . . . . . . . . . 35-16 Removing Engine from Long Term Storage . . . . 55-3
Pressure Testing Cooling System. . . . . . . . . . . 35-17
Checking and Adjusting Engine Speeds . . . . . . 35-18 Specifications
General OEM Engine Specifications. . . . . . . . . . 60-1
Lubrication & Maint./2000 Hour/24 Month Engine Power Ratings And Fuel System
Checking Crankshaft Vibration Damper Specifications . . . . . . . . . . . . . . . . . . . . . . . . . 60-3
(6-Cylinder Engine Only) . . . . . . . . . . . . . . . . . 40-1 Engine Crankcase Oil Fill Quantities . . . . . . . . . 60-4
Flushing and Refilling Cooling System . . . . . . . . 40-2 Unified Inch Bolt and Screw Torque Values . . . . 60-5
Testing Thermostats Opening Temperature . . . . 40-5 Metric Bolt and Screw Torque Values. . . . . . . . . 60-6
Check and Adjust Valve Clearance . . . . . . . . . . 40-8
Lubrication and Maintenance Records
Service as Required Using Lubrication and Maintenance Records . . . 65-1
Additional Service Information . . . . . . . . . . . . . . 45-1 Daily (Prestarting) Service . . . . . . . . . . . . . . . . . 65-1
Do Not Modify Fuel System . . . . . . . . . . . . . . . . 45-2 500 Hour/12 Month Service . . . . . . . . . . . . . . . . 65-2
Adding Coolant. . . . . . . . . . . . . . . . . . . . . . . . . . 45-3 2000 Hour/24 Month Service . . . . . . . . . . . . . . . 65-3
Replacing Single Stage Air Cleaner . . . . . . . . . . 45-5 Service as Required . . . . . . . . . . . . . . . . . . . . . . 65-4
Replacing Axial Seal Air Cleaner Filter
Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-6 Emission System Warranty
Replacing Radial Seal Air Cleaner Filter U.S. EPA Emmission Control Warranty
Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45-8 Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70-1
Replacing Fan and Alternator Belts . . . . . . . . . 45-10 Emission Control System Certification Label. . . . 70-2
Checking Fuses . . . . . . . . . . . . . . . . . . . . . . . . 45-11
Checking Air Compressors . . . . . . . . . . . . . . . . 45-11
Bleed the Fuel System. . . . . . . . . . . . . . . . . . . 45-12
Troubleshooting
General Troubleshooting Information . . . . . . . . . 50-1
Precautions For Welding On Engines
Equipped With Electronic Engine Control Unit
(ECU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-2
Precautions for Electrical System When
Steam Cleaning Engine . . . . . . . . . . . . . . . . . 50-2
Engine Wiring Layout . . . . . . . . . . . . . . . . . . . . . 50-3
Engine Wiring Diagram (With
Full-Featured Electronic Instrument Panel) . . . 50-4
Engine Wiring Diagram (With
Full-Featured Electronic Instrument Panel)—
Continued . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-5
Engine Troubleshooting . . . . . . . . . . . . . . . . . . . 50-6
Blink Code Method for Retrieving
Diagnostic Trouble Codes. . . . . . . . . . . . . . . 50-12
Instrument Panel Method for Retrieving
Diagnostic Trouble Codes. . . . . . . . . . . . . . . 50-13
Displaying Of Diagnostic Trouble Codes
(DTCs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50-14
ii