John Deere 8.1 L Natural Gas Engines Operator’s Manual PDF

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John Deere 8.1 L Natural Gas Engines Operator’s Manual – PDF DOWNLOAD

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John Deere 8.1 L Natural Gas Engines Operator’s Manual – PDF DOWNLOAD

P/N: OMRG33363_71
Language: English
Division: Construction
Product Lines: Engines
Publication Type: Operator’s Manuals
Associated Models: 8.1L
Serial: 6081HFN04 NATURAL GAS ENGINE

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 8.1 L Natural Gas Engines Operator’s Manual – PDF DOWNLOAD

Contents 7
Identification Numbers 9
Record Engine Serial Number 9
Engine Identification Tags 9
Engine Option Codes 12
Safety 14
Handle Compressed Natural Gas Safely 14
Recognize Safety Information 14
Understand Signal Words 15
Follow Safety Instructions 15
Replace Safety Signs 15
Prevent Machine Runaway 16
Handle Fuel Safely—Avoid Fires 16
Prepare for Emergencies 16
Handle Starting Fluid Safely 17
Handle Fluids Safely—Avoid Fires 17
Service Machines Safely 17
Wear Protective Clothing 18
Protect Against Noise 18
Handle Chemical Products Safely 18
Stay Clear of Rotating Drivelines 19
Practice Safe Maintenance 19
Work In Ventilated Area 20
Avoid High-Pressure Fluids 20
Avoid Heating Near Pressurized Fluid Lines 20
Do Not Open High-Pressure Fuel System 21
Remove Paint Before Welding or Heating 21
Service Cooling System Safely 21
Install All Guards 22
Avoid Hot Exhaust 22
Avoid Harmful Asbestos Dust 22
Prevent Battery Explosions 23
Work in Clean Area 23
Illuminate Work Area Safely 23
Handling Batteries Safely 24
Protect Against High Pressure Spray 24
Use Proper Lifting Equipment 25
Use Proper Tools 25
Decommissioning — Proper Recycling and Disposal of Fluids and Components 26
Precautions for Welding 27
Fuels, Lubricants, and Coolants 28
Natural Gas Fuels 28
Natural Gas Engine Break-In Oil 28
Natural Gas Engine Oil 29
Oilscan™ and CoolScan™ 29
Natural Gas Engine Oil Filter 30
Cold Weather Operation 30
Alternative and Synthetic Lubricants 30
Lubricant Storage 30
Mixing of Lubricants 31
Multipurpose Extreme Pressure (EP) Grease 31
Natural Gas Engine Coolant 32
Engine Coolant Specifications 33
Testing Natural Gas Engine Coolant 34
Operating in Warm Temperature Climates 34
Decommissioning — Proper Recycling and Disposal of Fluids and Components 35
Operating the Engine 36
Engine Break-In 36
Starting the Engine 37
Warming the Engine 38
Changing Engine Speed 38
Idling the Engine 38
Stopping the Engine 38
Using a Booster Battery or Charger 39
Lubrication and Maintenance 40
Required Emission-Related Information 40
Observe Service Intervals 40
Use Correct Fuels, Lubricants, and Coolants 40
Lubrication and Maintenance Service Interval Chart (for School Bus) 41
Lubrication and Maintenance Service Interval Chart (for Transit Bus/Refuse Truck) 42
Lubrication and Maintenance—Daily 43
Daily Lubrication and Maintenance 43
Lubrication & Maint /12 Months/25,000 Miles 45
Lubrication and Maintenance—12 Months/25,000 Miles 45
Changing Engine Oil and Filter 45
Servicing Battery 47
Checking Belt Tensioner 48
Visually Inspecting Coolant Pump 49
Checking Air Intake System 49
Checking Cooling System 50
Checking Effectiveness of Coolant Solution 50
Replenishing Supplemental Coolant Additives (SCAs) Between Coolant Changes 52
Replacing Spark Plugs 53
Checking Engine Mounts 54
Re-Torque Intake And Exhaust Manifold Cap Screws And Nuts 54
Lubrication & Maint /24 Months/50,000 Miles 55
Lubrication and Maintenance—24 Months/50,000 Miles 55
Cleaning Crankcase Vent Tube 55
Checking Crankshaft Vibration Damper 55
Inspecting Natural Gas Fuel Lines 56
Pressure Testing Cooling System 57
Flushing and Refilling Cooling System 58
Inspect Thermostat and Test Opening Temperature 60
Inspecting Air Compressor 60
Checking and Adjusting Valve Clearance 61
Service as Required 63
Additional Service Information 63
Replacing Belts 63
Replacing Air Cleaner Elements 63
Adding Coolant 64
Replacing Natural Gas Filter Element 64
Precautions for Welding on Vehicles Equipped with Electronic Engine Control Unit (ECU) 65
Precautions when Steam Cleaning a Natural Gas Engine 66
Retorque Exhaust Manifold and Intake Manifold 66
Troubleshooting 67
Diagnostic Overview 67
Using Blink Code Method to Retrieve Diagnostic Trouble Codes (DTCs) 68
Listing of Blink Codes on ECU (For Diagnosing Engine Problems) 69
Natural Gas Engine Component Location Diagram 74
Storage 76
Engine Storage Guidelines 76
Storing the Engine 76
Removing Engine from Storage 77
Specifications 78
Engine Specifications 78
Unified Inch Bolt and Screw Torque Values 79
Metric Bolt and Screw Torque Values 80
Lubrication and Maintenance Records 81
Using Lubrication and Maintenance Records 81
Daily (Prestarting) Service 81
12 Months/25,000 Miles Service 81
24 Months/50,000 Miles Service 82
Service as Required 82
Emissions System Warranty 83
Emissions System Label 83
U S Emissions Control Warranty Statement 83
California Emission Control Warranty Statement (California Only) 84
Page Number 7
Section 01 9
Section 05 14
Section 10 28
Section 15 36
Section 20 40
Section 25 43
Section 30 45
Section 35 55
Section 40 63
Section 45 67
Section 50 76
Section 55 78
Section 60 81
Section 65 83

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