John Deere PowerTech 6.8 L 6068 Compressed Natural Gas Engine Operator Manual OMRG27896

Description

• Model List:
  • PowerTech 6.8 L 6068 Compressed Natural Gas Engine

• 1. Contents
• 1.1. Identification Numbers
• 1.1.1. Record Engine Serial Number
• 1.1.2. Engine Option Codes
• 1.1.3. Handle Compressed Natural Gas Safely
• 1.1.4. Recognize Safety Information
• 1.1.5. Understand Signal Words
• 1.1.6. Follow Safety Instructions
• 1.1.7. Replace Safety Signs
• 1.1.8. Illuminate Work Area Safely
• 1.1.9. Work in Clean Area
• 1.1.10. Use Proper Tools
• 1.1.11. Live With Safety
• 1.1.12. Prevent Machine Runaway
• 1.1.13. Handle Fuel SafelyAvoid Fires
• 1.1.14. Prepare for Emergencies
• 1.1.15. Handle Starting Fluid Safely
• 1.1.16. In Case of Fire
• 1.1.17. Handle Fluids SafelyAvoid Fires
• 1.1.18. Avoid Static Electricity Risk When Refueling
• 1.1.19. Service Machines Safely
• 1.1.20. Wear Protective Clothing
• 1.1.21. Protect Against Noise
• 1.1.22. Handling Batteries Safely
• 1.1.23. Prevent Acid Burns
• 1.1.24. Stay Clear of Rotating Drivelines
• 1.1.25. Install All Guards
• 1.1.26. Practice Safe Maintenance
• 1.1.27. Remove Paint Before Welding or Heating
• 1.1.28. Avoid Heating Near Pressurized Fluid Lines
• 1.1.29. Avoid HighPressure Fluids
• 1.1.30. Do Not Open HighPressure Fuel System
• 1.1.31. Protect Against High Pressure Spray
• 1.1.32. Prevent Battery Explosions
• 1.1.33. Avoid Hot Exhaust
• 1.1.34. Work In Ventilated Area
• 1.1.35. Service Cooling System Safely
• 1.1.36. Decommissioning Proper Recycling and Disposal of Fluids and Components
• 1.2. Fuels, Lubricants, and Coolant
• 1.2.1. Natural Gas Recommendations
• 1.2.2. Engine BreakIn Oil
• 1.2.3. Natural Gas Engine Oil
• 1.2.4. Oilscan and CoolScan
• 1.2.5. Cold Weather Operation
• 1.2.6. Alternative and Synthetic Lubricants
• 1.2.7. Mixing of Lubricants
• 1.2.8. Lubricant Storage
• 1.2.9. Recommended Engine Coolant
• 1.2.10. Engine Coolant Specifications
• 1.2.11. Testing Engine Coolant
• 1.2.12. Replenishing Supplemental Coolant Additives (SCA) Between Coolant Changes
• 1.2.13. Operating in Warm Temperature Climates
• 1.2.14. Disposing of Coolant
• 1.3. Operating the Engine
• 1.3.1. Engine BreakIn
• 1.3.2. Starting the Engine
• 1.3.3. Warming the Engine
• 1.3.4. Changing Engine Speed
• 1.3.5. Idling the Engine
• 1.3.6. Stopping the Engine
• 1.3.7. Using a Booster Battery or Charger
• 1.4. Lubrication and Maintenance
• 1.4.1. Required EmissionRelated Information
• 1.4.2. Observe Service Intervals
• 1.4.3. Use Correct Fuels, Lubricants, and Coolant
• 1.4.4. Lubrication and Maintenance Service Interval Chart
• 1.5. Lubrication and MaintenanceDaily
• 1.5.1. Lubrication and MaintenanceDaily
• 1.6. Maintenance12 Months/12,500 Miles
• 1.6.1. Servicing Battery
• 1.6.2. Changing Engine Oil and Filter
• 1.6.3. Checking Belt Tensioner
• 1.6.4. Checking Air Intake System
• 1.6.5. Checking Cooling System
• 1.6.6. Checking Effectiveness of Coolant Solution
• 1.6.7. Adding Supplemental Coolant Additives (SCA)
• 1.7. Maintenance24 Months/25,000 Miles
• 1.7.1. Cleaning PCV Orifice
• 1.7.2. Checking Crankshaft Vibration Damper
• 1.7.3. Inspecting Natural Gas Lines
• 1.7.4. Pressure Testing Cooling System
• 1.7.5. Flushing Cooling System
• 1.7.6. Replacing Spark Plugs
• 1.7.7. Removal of Seized Spark Plugs (Tool JDG1193 Not Available or Spark Plug Ceramic Stem Has Broken Off)
• 1.7.8. Inspecting Air Compressor
• 1.7.9. Checking and Adjusting Engine Valve Clearance
• 1.8. Service as Required
• 1.8.1. Additional Service Information
• 1.8.2. Replacing Belts
• 1.8.3. Replacing Air Cleaner Elements
• 1.8.4. Adding Coolant
• 1.9. Troubleshooting
• 1.9.1. Diagnostic Overview
• 1.9.2. Reading Diagnostic Fault Codes
• 1.9.3. Diagnostic Codes
• 1.10. Storage
• 1.10.1. Storing the Engine
• 1.10.2. Removing Engine From Storage
• 1.11. Specifications
• 1.11.1. General
• 1.11.2. Lubrication System
• 1.11.3. Cooling System
• 1.12. Lubrication and Maintenance Records
• 1.12.1. Using Lubrication and Maintenance Records
• 1.12.2. Daily (Prestarting) Service
• 1.12.3. Months/12,500 Miles Service
• 1.12.4. Months/25,000 Miles Service
• 1.12.5. Service as Required
• 1.13. Emissions System Warranty
• 1.13.1. John Deere Warranty in OEM Applications
• 1.13.2. Emission System Label
• 1.13.3. Emissions Control Warranty Statement (United States Only)
• 1.13.4. California Emission Control Warranty Statement (California Only)
• 1.14. John Deere Service Literature Available
• 1.14.1. Technical Information
• 1.14.2. Other Publications for This Engine
• 1.15. John Deere Service Keeps You on the Job
• 1.15.1. NO TITLE
• 2. Page Number
• 2.1. Section 01
• 2.2. Section 05
• 2.3. Section 10
• 2.4. Section 15
• 2.5. Section 20
• 2.6. Section 25
• 2.7. Section 30
• 2.8. Section 35
• 2.9. Section 50
• 2.10. Section 55
• 2.11. Section 60
• 2.12. Section 65
• 2.13. Section 70
• 2.14. Section 75
• 2.15. Section 80