John Deere 6.8 L OEM Diesel Engines Operator’s Manual PDF

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John Deere 6.8 L OEM Diesel Engines (PowerTech™) Operator’s Manual OMDZ108056 – PDF DOWNLOAD

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John Deere 6.8 L OEM Diesel Engines (PowerTech™) Operator’s Manual OMDZ108056 – PDF DOWNLOAD

P/N: OMDZ108056_71
Language: English
Division: Construction
Product Lines: Engines
Publication Type: Operator’s Manuals
Associated Models: 6.8L, 6068
Serial: STAGE II

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 6.8 L OEM Diesel Engines (PowerTech™) Operator’s Manual OMDZ108056 – PDF DOWNLOAD

Contents 9
Record Keeping 13
Engine Serial Number Plate 13
Record Engine Serial Number 13
Engine Option Codes 14
Emission Control Information Label 16
Record High-Pressure Fuel Pump Model Number 16
Record Engine Control Unit (ECU) Serial Number 17
Safety 18
Recognize Safety Information 18
Understand Signal Words 18
Follow Safety Instructions 18
Replace Safety Signs 19
California Proposition 65 Warning 19
Illuminate Work Area Safely 19
Work in Clean Area 19
Use Proper Tools 20
Live With Safety 20
Prevent Machine Runaway 20
Handle Fuel Safely—Avoid Fires 21
Prepare for Emergencies 21
Handle Starting Fluid Safely 21
In Case of Fire 22
Handle Fluids Safely—Avoid Fires 22
Avoid Static Electricity Risk When Refueling 23
Service Machines Safely 23
Wear Protective Clothing 23
Protect Against Noise 24
Handling Batteries Safely 24
Prevent Acid Burns 25
Stay Clear of Rotating Drivelines 25
Install All Guards 26
Practice Safe Maintenance 26
Remove Paint Before Welding or Heating 27
Avoid Heating Near Pressurized Fluid Lines 27
Avoid High-Pressure Fluids 27
Do Not Open High-Pressure Fuel System 28
Protect Against High Pressure Spray 28
Prevent Battery Explosions 28
Avoid Hot Exhaust 29
Work In Ventilated Area 29
Service Cooling System Safely 29
Decommissioning — Proper Recycling and Disposal of Fluids and Components 30
Fuels, Lubricants, and Coolants 31
Diesel Fuel 31
Supplemental Diesel Fuel Additives 32
Lubricity of Diesel Fuel 32
Handling and Storing Diesel Fuel 32
Biodiesel Fuel 33
Testing Diesel Fuel 34
Fuel Filters 34
Minimizing the Effect of Cold Weather on Diesel Engines 35
Diesel Engine Break-In Oil — Non-Emissions Certified and Certified Tier 1, Tier 2, Tier 3, Stage I, Stage II, and Stage III 36
Diesel Engine Oil — Tier 2 and Stage II 37
Engine Oil and Filter Service Intervals — Tier 2 and Stage II — OEM Applications 38
Mixing of Lubricants 38
Alternative and Synthetic Lubricants 39
Lubricant Storage 39
Oil Filters 39
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 40
Water Quality for Mixing with Coolant Concentrate 41
Operating in Warm Temperature Climates 41
Testing Coolant Freeze Point 42
Disposing of Coolant 42
Instrument Panels 43
PV101 Instrument Panels 43
PV101 Diagnostic Gauge — Using 45
PV101 Diagnostic Gauge — Main Menu 46
PV101 Diagnostic Gauge — Essential Menus 47
DG14 Diagnostic Gauge — Using 47
DG14 Diagnostic Gauge — Main Menu 48
DG14 Diagnostic Gauge — Essential Menus 49
PV480 Instrument Panel 50
PV480 Diagnostic Gauge — Using 51
PV480 Diagnostic Gauge — Main Menu 52
PV480 Diagnostic Gauge — Essential Menus 53
Main Menu Navigation 53
Engine Configuration Data 55
Accessing Stored Trouble Codes 56
Accessing Active Trouble Codes 58
Engine Shutdown Codes 60
Adjusting Backlighting 61
Adjusting Contrast 63
Selecting Units Of Measurement 65
Setup 1-Up Display 67
Setup 4-Up Display 72
John Deere PowerSight 76
Engine Operation 77
Engine Break-In Service 77
Starting the Engine 79
Restarting Engine After Emergency Shutdown 81
Normal Engine Operation 81
Warming Engine 82
Idling Engine 82
Changing Engine Speed 83
Cold Weather Operation 84
Avoid Excessive Engine Idling 85
Stopping the Engine 86
Auxiliary Gear Drive Limitations 87
Generator Set (Standby) Applications 87
Using a Booster Battery or Charger 88
Lubrication and Maintenance 89
Required Emission-Related Information 89
Observe Service Intervals 89
Use Correct Fuels, Lubricants, and Coolant 90
Lubrication and Maintenance Service Interval Chart 91
Lubrication & Maintenance — Daily 92
Daily Prestarting Checks 92
Lubrication & Maintenance — 500 Hours/12 Months 95
Servicing Fire Extinguisher 95
Checking Engine Mounts 95
Servicing Battery 95
Changing Engine Oil and Replacing Filter 97
Checking Air Intake System 100
Replacing Fuel Filter Elements 100
Checking Belt Tensioner Spring Tension and Belt Wear (Automatic Tensioner) 103
Checking Engine Electrical Ground Connections 104
Checking Cooling System 105
Pressure Testing Cooling System 106
Checking and Adjusting Engine Speeds 107
Lubrication & Maintenance — 2000 Hours/24 Months 108
Checking Crankshaft Vibration Damper 108
Lubrication & Maintenance — 3000 Hours/36 Months 109
Checking and Adjusting Valve Clearance 109
Testing Glow Plugs for Continuity (If Applicable) 110
Lubrication & Maintenance — 6000 Hours/72 Months 111
Flushing and Refilling Cooling System 111
Testing Thermostat Opening Temperature 113
Service As Required 116
Additional Service Information 116
Do Not Modify Fuel System 116
Adding Coolant 117
Pre-Start Cleaning Guide 118
Replacing Single Stage Air Cleaner 119
Replacing Axial Seal Air Cleaner Filter Element 120
Replacing Radial Seal Air Cleaner Filter Element 122
Replacing Fan and Alternator Belts 123
Checking Fuses 123
Checking Air Compressors (If Equipped) 124
Troubleshooting 125
General Troubleshooting Information 125
Instrument Panel Method for Retrieving Diagnostic Trouble Codes 126
Displaying Of Diagnostic Trouble Codes (DTCs) 126
Listing of Diagnostic Trouble Codes (DTCs) 127
Intermittent Fault Diagnostics (With Electronic Controls) 129
Displaying Diagnostic Gauge Software 129
Engine Troubleshooting 131
Precautions for Electrical System When Steam Cleaning Engine 137
Engine Wiring Layout and Sensor Location 138
Precautions For Welding 143
Engine Wiring Diagrams 144
Control Panel Wiring Diagram 150
Storage 156
Engine Storage Guidelines 156
Preparing Engine for Long-Term Storage 156
Removing Engine from Long Term Storage 157
Specifications 158
General OEM Engine Specifications 158
Engine Power Ratings And Fuel System Specifications 159
Engine Crankcase Oil Fill Quantities 159
Unified Inch Bolt and Screw Torque Values 160
Metric Bolt and Screw Torque Values 161
Lubrication and Maintenance Records 162
Using Lubrication and Maintenance Records 162
Daily (Prestarting) Service 162
500 Hour/12 Month Service 162
1500 Hour/24 Month Service 163
3000 Hour/36 Month Service 163
6000 Hour/72 Month Service 164
Service as Required 164
Warranty 165
John Deere Warranty in OEM Applications 165
Emissions Control System Certification Label 168
EPA Non-road Emissions Control Warranty Statement—Compression Ignition 169
CARB Non-road Emissions Control Warranty Statement—Compression Ignition 171
John Deere Service Literature Available 179
Technical Information 179
Page Number 9
Section 01 13
Section 05 18
Section 10 31
Section 15 43
Section 20 77
Section 30 89
Section 35 92
Section 40 95
Section 45 108
Section 50 109
Section 55 111
Section 60 116
Section 65 125
Section 70 156
Section 75 158
Section 80 162
Section 85 165
Section 90 179

S.V 04/24