John Deere 4720 (SN. from 000101) Self-Propelled Sprayers Diagnostic Manual (TM2230)

Table of Contents:
   Introduction
      Foreword
   General Information
      Safety
      Machine Specifications
      Operational Checks
      Machine Component Location
   Diagnostic Trouble Codes
      Codes By Number
   Observable Symptoms
      Engine System
      Air Intake and Cooling System
      Electrical Diagnosis and Tests
      Power Train Diagnosis and Tests
      Brake System Diagnosis and Tests
      Hydraulic System Diagnosis and Tests
      Hydraulic Tread Adjust Diagnostics
      Steering Diagnostics
      Operator Station Diagnostics
      Solution System Diagnostics
      Foamer System Diagnostics
      Auto Suspension Leveling System Diagnostics
   Engine System
      General Information
      Test Procedures and Adjustments
      Engine Diagnostics
   Air Intake and Cooling Systems
      General Information
      Test Procedures and Adjustments
      Air Intake System Diagnostics
      Engine Cooling Package Diagnostics
   Electrical Diagnosis and Tests
      How to Use Diagnostic Information
      SprayStar Display Operation Guide
      Diagnostic Codes and Addresses
      Component Identification
      Component Tests
      Agitation Diagnostics
      Air Quality Diagnostics
      Auxiliary Power Diagnostics
      Boom Left Hand Leveling Diagnostics (60 ft)
      Boom Left Hand Leveling Diagnostics (80/90 ft)
      Boom Raise/Lower Diagnostics (60 ft)
      Boom Raise/Lower Diagnostics (80/90 ft)
      Boom Return to Height Diagnostics
      Boom Right Hand Leveling Diagnostics (60 ft)
      Boom Right Hand Leveling Diagnostics (80/90 ft)
      Boom Roll/Bias Diagnostics (80/90 ft)
      Boom Unfold and Fold Diagnostics 18.3 m (60 ft)
      Boom Unfold and Fold Diagnostics (80/90 ft)
      CAN Bus Diagnostics
      CAN Multifunction Control Handle Diagnostics
      Caution Light Diagnostics
      Charging System Diagnostics
      Dome and Sentry Light Diagnostics
      Engine Air Filter Switch Diagnostics
      Engine Control Unit-Overall Diagnostics
      Engine and Fuel Control Diagnostics
      Engine Oil Pressure Switch Diagnostics
      Engine Coolant Sensor Diagnostics
      Engine Speed Sensor Diagnostics
      Foam Marker (Dual Drop) Diagnostics
      Foam Marker (Single Drop) Diagnostics
      Fuel Level Sensor Diagnostics
      Glow Plug Diagnostics
      GREENSTARGREENSTAR is a trademark of Deere & Company AUTOTRACAUTOTRAC is a trademark of Deere & Company Diagnostics
      GREENSTARGREENSTAR is a trademark of Deere & Company Caution Messages
      GREENSTARGREENSTAR is a trademark of Deere & Company Display Diagnostics
      GREENSTARGREENSTAR is a trademark of Deere & Company Fault Codes-Access Through Display
      GREENSTARGREENSTAR is a trademark of Deere & Company Fault Codes
      GREENSTARGREENSTAR is a trademark of Deere & Company FIELD DOCFIELD DOC is a trademark of Deere & Company Diagnostics
      GREENSTARGREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics
      GREENSTARGREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics
      GREENSTARGREENSTAR is a trademark of Deere & Company Parallel Tracking
      RTK (Real Time Kinematic) Type Identification
      RTK with STARFIRE iTC Diagnostics - Type A
      RTK with STARFIRE (Original) Diagnostics - Type B
      STARFIRESTARFIRE is a trademark of Deere & Company Receiver Identification
      STARFIRESTARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A
      STARFIRESTARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B
      STARFIRESTARFIRE is a trademark of Deere & Company (Original) with TCM Diagnostics - Type C
      GREENSTARGREENSTAR is a trademark of Deere & Company WARNING Messages
      Horn Diagnostics
      Hydraulic Oil Temperature Sensor Diagnostics
      Hydrostatic Boost Diagnostics
      Ladder w/ Remote Control Diagnostics
      Lighter Diagnostics
      Lighting Diagnostics
      Load Sense Jam Valve Diagnostics
      Operator Presence Switch Diagnostics
      Park Brake Diagnostics
      Power Diagnostics
      Radar Sensor Diagnostics
      Radio and Clock Diagnostics
      Seat Adjust Diagnostics
      Solution Pressure Diagnostics
      Solution Pump Diagnostics
      Speed Range Diagnostics
      Spray Control Diagnostics
      Spray Rate Controller Diagnostics
      Spray Rate Diagnostics
      Starting System Diagnostics
      Stop Light Diagnostics
      Throttle Diagnostics
      Traction Control Diagnostics
      Tread Adjust Diagnostics
      Wheel Speed Sensor Diagnostics
      Wiper Diagnostics
      Connector Information (end views, numbers, location photos)
   Power Train Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Final Drive Diagnostics
      Hydrostatic Drive Diagnostics
      Hydrostatic Reverse Boost Diagnostics
      Traction Control Diagnostics
   Brake Systems Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Park Brake Diagnostics
      Service Brakes Diagnostics
   Hydraulic System Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Basic Hydraulic System Diagnostics
      Boom - Left-Hand Leveling Diagnostics
      Boom Raise and Lower Diagnostics
      Boom - Right-Hand Leveling Diagnostics
      Boom Roll Bias Diagnostics
      Boom Unfold/Fold Diagnostics - 18.3 M (60 ft) Boom
      Boom Unfold/Fold Diagnostics - 24.4/27.4 M (80/90 ft) Boom
      Power Washer Diagnostics
      Solution Pump Diagnostics
      Component Location
   Suspension and Tread Adjust Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Tread Adjust Diagnostics
      Component Location
   Steering System Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Steering Diagnostics
      Component Location
   Operator Station Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Air Conditioning and Heating Diagnostics
      Component Location
   Solution System Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Eductor Diagnostics
      Erratic Rate Diagnostics
      Loading Diagnostics
      Solution Pressure Diagnostics
      Over or Under Application Diagnostics
      Component Location
   Foamer Diagnosis and Tests
      General Information
      Test Procedures and Adjustments
      Foam Marker Diagnostics
      Component Location
   Automatic Air Suspension Leveling System Diagnostics and Tests
      Automatic Air Suspension Leveling System Diagnostics
   Dealer Fabricated Tools
      Dealer Fabricated Tools