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

Contents:
Identification Numbers
Record Engine Serial Number
Engine Option Codes
Safety
Recognize Safety Information
Understand Signal Words
Follow Safety Instructions
Prevent Vehicle Runaway
Prepare for Emergencies
Handle Compressed Natural Gas Safely
Protect Against Noise
Avoid Heating Near Pressurized Fluid Lines
Wear Protective Clothing
Work In Ventilated Area
Handle Chemical Products Safely
Practice Safe Maintenance
Avoid High-Pressure Fluids
Service Cooling System Safely
Stay Clear of Rotating Drivelines
Remove Paint Before Welding or Heating
Avoid Harmful Asbestos Dust
Decommissioning – Proper Recycling and Disposal of Fluids and Components
Fuels, Lubricants, and Coolant
Natural Gas Recommendations
Engine Break-In Oil
Natural Gas Engine Oil
Oilscan and CoolScan
Cold Weather Operation
Alternative and Synthetic Lubricants
Mixing of Lubricants
Lubricant Storage
Grease
Recommended Engine Coolant
Engine Coolant Specifications
Testing Engine Coolant
Replenishing Supplemental Coolant Additives (SCA) Between Coolant Changes
Operating in Warm Temperature Climates
Disposing of Coolant
Operating the Engine
Engine Break-In
Starting the Engine
Warming the Engine
Changing Engine Speed
Idling the Engine
Stopping the Engine
Using a Booster Battery or Charger
Lubrication and Maintenance
Required Emission-Related Information
Observe Service Intervals
Use Correct Fuels, Lubricants, and Coolant
Lubrication and Maintenance Service Interval Chart
Lubrication and Maintenance-Daily
Lubrication and Maintenance-Daily
Maintenance-12 Months/12,500 Miles
Servicing Battery
Changing Engine Oil and Filter
Checking Belt Tensioner
Checking Air Intake System
Checking Cooling System
Checking Effectiveness of Coolant Solution
Adding Supplemental Coolant Additives (SCA)
Maintenance-24 Months/25,000 Miles
Cleaning PCV Orifice
Checking Crankshaft Vibration Damper
Inspecting Natural Gas Lines
Pressure Testing Cooling System
Flushing Cooling System
Replacing Spark Plugs
Removal of Seized Spark Plugs (Tool JDG1193 Not Available or Spark Plug Ceramic Stem Has Broken Off)
Inspecting Air Compressor
Checking and Adjusting Engine Valve Clearance
Service as Required
Additional Service Information
Replacing Belts
Replacing Air Cleaner Elements
Adding Coolant
Troubleshooting
Diagnostic Overview
Reading Diagnostic Fault Codes
Diagnostic Codes
Storage
Storing the Engine
Removing Engine From Storage
Specifications
General
Lubrication System
Cooling System
Lubrication and Maintenance Records
Using Lubrication and Maintenance Records
Daily (Prestarting) Service
12 Months/12,500 Miles Service
24 Months/25,000 Miles Service
Service as Required
Emissions System Warranty
Emission System Label
U.S. Emissions Control Warranty Statement (United States Only)
California Emission Control Warranty Statement (California Only)
John Deere Service Literature Available
Technical Information
Other Publications for This Engine
John Deere Service Keeps You on the Job
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