John Deere 870G 872GP Motor Grader Diagnostic, Operation and Test Manual
(TM12143)
John Deere 870G, 870GP, 872G and 872GP Motor Grader Diagnostic, Operation and Test Manual
- ✅ Manual Introduction and Safety
✅ General Information
✅ Identification Record
✅ Technical Specifications
✅ Dimensions and Weights
✅ Fluid Capacities and Recommendations
✅ Maintenance Interval Schedule
✅ Lubrication Specifications and Diagrams
✅ Towing and Lifting Instructions
✅ Engine System
✅ Engine Overview and Specifications
✅ Fuel System
✅ Fuel Filter Service and Priming
✅ Fuel Injection Pump and Nozzles
✅ Air Intake and Exhaust System
✅ Turbocharger Service
✅ Aftertreatment System Overview
✅ Cooling System
✅ Radiator and Charge Air Cooler Service
✅ Water Pump and Thermostat
✅ Engine Electronics
✅ Electronic Control Module Diagnostics
✅ Sensor Locations and Testing
✅ Engine Mechanical
✅ Valve Lash Adjustment
✅ Cylinder Head and Gasket Service
✅ Electrical System
✅ Battery and Charging System
✅ Alternator Testing and Replacement
✅ Starter Motor Diagnostics
✅ Machine Harness and Connectors
✅ Controller Area Network Diagnostics
✅ Sensor and Switch Testing Procedures
✅ Lighting and Accessory Circuits
✅ Power Train
✅ Torque Converter and Lockup Clutch
✅ Transmission System
✅ Transmission Electronic Controls
✅ Transshift Control Unit Diagnostics
✅ Transmission Pump and Valve Body
✅ Differential and Final Drives
✅ Differential Lock Service
✅ Final Drive Oil and Seal Replacement
✅ Drive Axles and Wheels
✅ Hydraulic System
✅ Hydraulic Schematic Overview
✅ Main Hydraulic Pump
✅ Implement Control Valves
✅ Blade Lift and Side Shift Circuits
✅ Circle Drive and Blade Tilt Circuits
✅ Scarifier and Rear Hitch Circuits
✅ Steering Control System
✅ Hydraulic Cylinder Rebuilding
✅ Hydraulic Test Port Locations and Procedures
✅ Frame and Implement Systems
✅ Moldboard and Circle Assembly
✅ Circle Gear and Bearing Adjustment
✅ Blade Cutting Edge Replacement
✅ Drawbar and Slip Clutch Adjustment
✅ Front Axle and Steering Linkage
✅ Toe In and Steering Angle Adjustment
✅ Scarifier Shank Replacement and Positioning
✅ Cab and ROPS Structure
✅ Operator Station and Controls
✅ Instrument Panel and Gauges
✅ Joystick and Control Lever Calibration
✅ Climate Control System
✅ Diagnostic and Troubleshooting
✅ Diagnostic Connector and Software Access
✅ Fault Code Listings and Priorities
✅ Event Code Logs and Interpretation
✅ System Symptom Troubleshooting Trees
✅ Engine Will Not Crank
✅ Engine Cranks But Will Not Start
✅ Low Power or Poor Performance
✅ Transmission No Response or Slips
✅ Hydraulic Implement Drift or Weak Operation
✅ Electrical Intermittent Fault Procedures
✅ Testing and Adjustments
✅ Engine Performance Tests
✅ Hydraulic System Pressure and Flow Tests
✅ Transmission Clutch Pressure Tests
✅ Steering System Pressure and Response Tests
✅ Brake System Tests and Adjustments
✅ Disassembly and Assembly
✅ Major Component Removal and Installation Sequences
✅ Torque Specifications and Fastener Lists
✅ Bearing and Seal Installation Guides
✅ Gasket and Sealant Application Guidelines
✅ Appendices
✅ Cross Reference and Part Numbers
✅ Standard Bolt Torque Values
✅ Wire Harness Pinout Diagrams
✅ Conversion Charts and Formulas