John Deere Self-Propelled Sprayer 4720 Diagnosis and Tests Service Manual (TM2230)

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Make: 
Model: 
Price: US$ 79.00

Complete Diagnosis and Tests Manual with Electrical Wiring Diagrams for John Deere Self-Propelled Sprayer 4720, with all the workshop information to maintain, repair, and service like professional mechanics.

John Deere Self-Propelled Sprayer 4720 workshop Diagnostics Test service manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

tm2230 - 4720 Self-Propelled Sprayer Diagnosis and Tests Technical Manual.pdf
tm2230 - 4720 Self-Propelled Sprayer Diagnosis and Tests Technical Manual.epub

Total Pages: 2,714 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English

MAIN SECTIONS
   Foreword
   General Information
      Safety
      General Information
      Fuels and Lubricants
   Engine
      Component Removal and Installation
   Fuel, Air Intake, and Cooling Systems
      Diesel Fuel System
      Engine Cooling System
   Electrical
      Batteries
      Connector Repair
      Charging Circuit
      Starting Circuit
      Switches and Relays
      Monitoring Systems and Sensors
      Accessory Connectors
      Convenience and Accessory Components
      Retractable Ladder
   Power Train Repair
      Remove and Install Hydrostatic Components
      Hydrostatic Drive Repair
      Planetary Hub Repair
   Steering and Brakes
      Steering Column
      Steering Valve
      Steering Cylinder
      Brakes
      AutoTrac Steering System
   Suspension and Tread Adjust Repair
      Suspension
      Tread Adjust Valves
      Tread Adjust Cylinders
      Tread Adjust Shim Pads
   Hydraulic System
      Hydraulic Pump
      Hydraulic Valves
      Boom Hydraulic Cylinders
      Hydraulic Oil Cooler
      Hydraulic Reservoir
      Accumulator
   Solution Spray System
      Nozzle Repair
      Solution Tank
      Solution Pump
      Solution Control Valves
   132 L (35 Gal) Foam Marker System
      132 L (35 Gal) Foam Marker System Repair
      On Board Air System
   Operator Station
      Component Removal and Installation
      Controls
      Air Conditioning System
      Heating System
      Air Suspension Seat
      Cab Door and Windshield
   Boom Repair
      Boom Repair
   Dealer Fabricated Tools

tm2230 - 4720 Self-Propelled Sprayer Diagnosis and Tests

Table of Contents

Foreword

Section 210: General Information

Group 05: Safety

Recognize Safety Information

Understand Signal Words

Follow Safety Instructions

Use Proper Tools

Replace Safety Signs

Prevent Machine Runaway

Use Seat Belt Properly

Operate Safely

Remove Paint Before Welding or Heating

Avoid Heating Near Pressurized Fluid Lines

Handle Starting Fluid Safely

Beware of Exhaust Fumes

Keep Riders Off Machine

Handle Fuel Safely—Avoid Fires

Prepare for Emergencies

Wear Protective Clothing

Protect Against Noise

Prevent Acid Burns

Handle Agricultural Chemicals Safely

Avoid Contact with Agricultural Chemicals

Clean Vehicle of Hazardous Pesticides

Use Safety Lights and Devices

Transport Safely

Practice Safe Maintenance

Support Machine Properly

Work in Clean Area

Illuminate Work Area Safely

Service Machines Safely

Construct Dealer-Made Tools Safely

Use Proper Lifting Equipment

Service Drive Belts Safely

Avoid High-Pressure Fluids

Do Not Open High-Pressure Fuel System

Prevent Hydraulic System Contamination

Check Hydraulic Hoses

Service Cooling System Safely

Service Accumulator Systems Safely

Service Tires Safely

Decommissioning — Proper Recycling and Disposal of Fluids and Components

Group 10: Machine Specifications

Machine Specification

Dimensions

Dimensions—All Machines

Metric Bolt and Screw Torque Values

Unified Inch Bolt and Screw Torque Values

High Pressure Face Seal Torque Chart

Service Recommendations For Flat Face O-Ring Seal Fittings

Limited Battery Warranty

Keep Proof of Ownership

Keep Machines Secure

Group 15: Operational Checks

Before You Start

Operational Checks

Group 20: Machine Component Location

Identification Numbers

Section 211: Diagnostic Trouble Codes

Group 240: Codes By Number

ECU 002000.09 - ECU Message Error

SRC 000070.02 - Park Brake Switch Fault

SRC 000096.01 - Fuel Level Low

SRC 000096.05 - Fuel Sensor Circuit Open

SRC 000096.06 - Fuel Level Sensor Circuit Closed

SRC 000158.00 - SRC Switched Voltage High

SRC 000158.01 - SRC Switched Supply Voltage Low

SRC 000628.12 - SRC Programming

SRC 000629.12 - SRC Control Unit Fault

SRC 000630.02 - SRC Calibration Fault/Data Invalid

SRC 000630.14 - SRC CAN Message Overflow

SRC 001079.00 - SRC Sensor Supply 1 Voltage Very High

SRC 001079.01 - SRC Sensor Supply 1 Voltage Very Low

SRC 001079.03 - SRC Sensor Supply 1 Voltage High

SRC 001079.04 - SRC Sensor Supply 1 Voltage Low

SRC 001504.02 - Operator Seat Switch Fault

SRC 001592.02 - Left Front Wheel Speed Sensor Frequency Invalid

SRC 002000.09 - ECU Message Missing

SRC 002246.09 - Multifunction Control Handle Message Missing

SRC 522316.03 - Boom Height Sensor Voltage High

SRC 522316.04 - Boom Height Sensor Voltage Low

SRC 522316.13 - Boom Height Sensor Calibration Fault

SRC 523394.02 - Flow Meter Fault

SRC 523440.00 - SRC Unswitched Sensor Voltage High

SRC 423440.01 - SRC Unswitched Voltage Low

SRC 523859.03 - Solution Pressure Sensor Voltage High

SRC 523859.04 - Solution Pressure Sensor Voltage Low

SSU 000162.09 - Transmission Messages Missing

SSU 168.03 - SSU Unswitched Supply Voltage High

SSU 000168.04 - SSU Unswitched Supply Voltage Low

SSU 000517.09 - GPS Speed Message Fault

SSU 000628.02 - SSU EOL Data Fault

SSU 000629.12 - SSU Control Unit Fault

SSU 000630.13 - SSU Calibration Fault/Not Calibrated

SSU 001079.03 - SSU Sensor Supply Voltage High

SSU 001079.04 - SSU Sensor Supply Voltage Low

SSU 001504.07 - Seat Switch Message Fault

SSU 001504.09 - Operator Presence Message Missing

SSU 001504.14 - Operator Not Seated While AutoTrac Active

SSU 001638.09 - Hydraulic Oil Temperature Message Fault

SSU 001807.02 - Steering Wheel Position Sensor 1 Conflict

SSU 001807.03 - Steering Wheel Position Sensor 1 Circuit Voltage High

SSU 001807.04 - Steering Wheel Position Sensor 1 Circuit Voltage Low

SSU 001807.05 - Steering Wheel Position Sensor 1 Circuit Current Low

SSU 001807.06 - Steering Wheel Position Sensor 1 Circuit Current High

SSU 001807.07 - Wheel Angle Sensor Uncommanded Motion Fault

SSU 001807.10 - Steering Wheel Position Sensor 1 Signal Mismatch

SSU 1807.14 - Steering Wheel Position Sensor 1 Signal Fault

SSU 522273.00 - SSU Steering Valve Control Circuit Command High

SSU 522273.01 - SSU Steering Valve Control Circuit Command Low

SSU 522387.07 - AutoTrac Wheel Angle Sensor or Steering Valve Fault

SSU 522394.09 - TCM Message Missing

SSU 523651.02 - Control Unit Fault

SSU 523698.09 - AMS Display Message Missing or GREENSTAR Display Message Missing

SSU 523766.02 - AutoTrac Activation Code Invalid

SSU 523767.09 - Resume Switch Message Missing

SSU 523795.02 - AutoTrac Steering Valve Workport Connection Backwards

SSU 523795.12 - AutoTrac Steering Valve Fault

SSU 523795.13 - SSU Calibration Fault/Steering Valve

SSU 523810.01 - SSU Steering Valve Supply Voltage Low

SSU 523821.02 - Vehicle Mismatch

SSU 523823.00 - SSU Vehicle Speed Too High

SSU 523824.03 - Steering Wheel Position Sensor 2 Circuit Voltage High

SSU 523824.04 - Steering Wheel Position Sensor 2 Circuit Voltage Low

SSU 523824.05 - Steering Wheel Position Sensor 2 Circuit Current Low

SSU 523824.06 - Steering Wheel Position Sensor 2 Circuit Current High

SSU 523824.10 - Steering Wheel Position Sensor 2 Signal Mismatch

SSU 523824.14 - Steering Wheel Position Sensor 2 Signal Fault

SSU 523826.00 - Wheel Angle Sensor Voltage High

SSU 523826.01 - Wheel Angle Sensor Voltage Low

SSU 523826.07 - Wheel Angle Sensor Voltage Connection Backwards

SSU 523826.07 - Wheel Angle Sensor Voltage Range Fault

SSU 523826.14 - Wheel Angle Sensor Low Motion Fault

Section 212: Observable Symptoms

Group 220: Engine System

Engine System Diagnostics

Group 230: Air Intake and Cooling System

Air Intake and Cooling System Diagnostics

Group 240: Electrical Diagnosis and Tests

Diagnostic Code and Address List

Agitation Diagnostics

Air Quality Diagnostics

Auxiliary Power Diagnostics

Boom Left Hand Leveling Diagnostics, 18.3 M, (60 ft) Boom

Boom Left Hand Leveling Diagnostics, 24.4/27.4 M (80/90 ft) Boom

Boom Raise Lower Diagnostics, 18.3 M, (60 ft) Boom

Boom Raise Lower Diagnostics, 24.4/27.4 M (80/90 ft) Boom

Boom Return to Height Diagnostics

Boom Right Hand Leveling Diagnostics, 18.3 M (60 ft) Boom

Boom Right Hand Leveling Diagnostics, 24.4/27.4 M (80/90 ft) Boom

Boom Roll Bias Diagnostics

Boom Fold Unfold Diagnostics 18.3 M (60 ft) Boom

Boom Fold Unfold Diagnostics, 24.4/27.4 M (80/90 ft) Boom

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 Diagnostics

Engine and Fuel Control Diagnostics

Engine Oil Pressure Switch Diagnostics

Engine Coolant Sensor Diagnostics

Engine Speed Sensor Diagnostics

Foam Marker Diagnostics, Dual Drop

Foam Marker Diagnostics, Single Drop

Fuel Level Sensor Diagnostics

Glow Plug Diagnostics

Greenstar AutoTrac Diagnostics

Greenstar Display Diagnostics

Greenstar Field Doc Diagnostics

GREENSTAR GREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics

Greenstar Mobile Processor Diagnostics

Greenstar Parallel Tracking Diagnostics

Greenstar RTK Type Identification

Greenstar RTK With Starfire ITC Diagnostic A

Greenstar RTK With Starfire Diagnostics

Starfire Type Identification

Starfire ITC Diagnostics Type A

Starfire Diagnostics Type B

Starfire With TCM Diagnostics

Horn Diagnostics

Hydraulic Oil Temperature Sensor Diagnostics

Hydrostatic Boost Diagnostics

Ladder 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

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

Group 250: Power Train Diagnosis and Tests

Final Drive Diagnostics

Hydrostatic Drive Diagnostics

Hydrostatic Reverse Boost Diagnostics

Traction Control Diagnostics

Group 260: Brake System Diagnosis and Tests

Park Brake Diagnostics

Service Brake Diagnostics

Group 270: Hydraulic System Diagnosis and Tests

Basic Hydraulic System Diagnostics

Boom, Left Hand Leveling Diagnostics

Boom Raise/Lower Diagnostics

Boom, Right Hand Leveling Diagnostics

Boom Roll Bias Diagnostics

Boom Fold/Unfold Diagnostics, 18.3 M (60ft) Boom

Boom Fold/Unfold Diagnostics, 24.4/27.4M (80/90ft) Boom

Power Washer Diagnostics

Solution Pump Diagnostics

Group 275: Hydraulic Tread Adjust Diagnostics

Suspension and Hydraulic Tread Adjust Diagnostics

Group 280: Steering Diagnostics

Steering System Tests and Adjustments

Group 290: Operator Station Diagnostics

Operator Station Diagnostics

Group 300: Solution System Diagnostics

Eductor Diagnostics

Erratic Rate Diagnostics

Solution Loading Diagnostics

Solution System Pressure Diagnostics

Over or Under Application Diagnostics

Group 310: Foamer System Diagnostics

Foamer System Diagnostics

Group 320: Auto Suspension Leveling System Diagnostics

Auto Suspension Leveling System Diagnostics

Section 220: Engine System

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Air in Return Fuel Test

Engine Oil Pressure Test

Turbocharger Boost Test

Bleeding Fuel Systems

Fuel Transfer Pump Pressure Test - 6068 Engine

Group 15: Engine Diagnostics

Theory of Operation

Fuel System Schematic

Engine Diagnostics

Section 230: Air Intake and Cooling Systems

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Testing Aftercooler For Leaks

Turbocharger Boost Test

Test Radiator Cap

Test Cooling System

Inspect Thermostat and Test Opening Temperature

Radiator Inspection

Group 15A: Air Intake System Diagnostics

Theory of Operation

Air Intake Schematic

Air Intake System Diagnostics

Group 15B: Engine Cooling Package Diagnostics

Theory of Operation

Engine Cooling Package Diagnostics

Section 240: Electrical Diagnosis and Tests

Group 5: How to Use Diagnostic Information

How to Use the Electrical Diagnostic Section

Group 05A: SprayStar Display Operation Guide

SPRAYSTAR Display Operation Guide

Group 10A: Diagnostic Codes and Addresses

Codes

Addresses

Group 10B: Component Identification

Component Identification Legend

Group 10C: Component Tests

Boom Shutoff Valve Mechanical Check

Group 15A: Agitation Diagnostics

Theory of Operation

Agitation Schematic

Agitation Diagnostics

Group 15B: Air Quality Diagnostics

Theory of Operation

Air Quality Schematic

Air Quality Diagnostics

Group 15C: Auxiliary Power Diagnostics

Theory of Operation

Auxiliary Power Schematic

Auxiliary Power Diagnostics

Group 15D: Boom Left Hand Leveling Diagnostics (60 ft)

Theory of Operation

Boom Schematic 60 Foot

Left Boom Leveling Diagnostics

Group 15E: Boom Left Hand Leveling Diagnostics (80/90 ft)

Theory of Operation

Boom Left Hand Leveling Schematic (80/90 ft)

Left Boom Leveling Diagnostics (80/90 ft)

Group 15F: Boom Raise/Lower Diagnostics (60 ft)

Theory of Operation

Boom Fold/Raise-Lower Schematic (60 ft)

Boom Raise-Lower Diagnostics (60 ft)

Group 15G: Boom Raise/Lower Diagnostics (80/90 ft)

Theory of Operation

Boom - Raise/Lower Schematic

Boom Raise/Lower Diagnostics (80/90 ft)

Group 15H: Boom Return to Height Diagnostics

Theory of Operation

Schematic

Boom Return to Height Diagnostics

Group 15I: Boom Right Hand Leveling Diagnostics (60 ft)

Theory of Operation

Right Boom Fold Schematic

Boom Right Hand Leveling Diagnostics (60 ft)

Group 15J: Boom Right Hand Leveling Diagnostics (80/90 ft)

Theory of Operation

Right Boom Leveling Schematic

Boom Right Hand Leveling Diagnostics (80/90 ft)

Group 15K: Boom Roll/Bias Diagnostics (80/90 ft)

Theory of Operation

Boom Raise/Lower and Roll Bias Schematic

Boom Roll Bias Diagnostics

Group 15L: Boom Unfold and Fold Diagnostics 18.3 m (60 ft)

Theory of Operation

Boom Fold Schematic

Boom Unfold and Fold Diagnostics (60 ft)

Group 15M: Boom Unfold and Fold Diagnostics (80/90 ft)

Theory of Operation

Boom Fold Schematics

Boom Unfold and Fold Diagnostics (80/90 ft.)

Group 15N: CAN Bus Diagnostics

Theory of Operation

CAN Bus Schematics

Vehicle CAN Bus 1 Diagnostics (S.N. —007000)

Group 15O: CAN Multifunction Control Handle Diagnostics

Theory of Operation

Schematics

CAN Multifunction Control Handle Diagnostics

Group 15P: Caution Light Diagnostics

Theory of Operation

Caution Light Schematic

Caution Light Diagnostics

Group 15Q: Charging System Diagnostics

Theory of Operation

Schematic

Charging System Diagnostics

Group 15R: Dome and Sentry Light Diagnostics

Theory of Operation

Dome and Sentry Lamp Schematic

Dome and Sentry Light Diagnostics

Group 15S: Engine Air Filter Switch Diagnostics

Theory of Operation

Engine Sensor Schematic

Engine Air Filter Switch Diagnostics

Group 15T: Engine Control Unit-Overall Diagnostics

Theory of Operation

Engine Control Unit Schematic

Engine Sensor Schematic

CAN Network Schematic

Engine Control Unit - Overall Diagnostics

Group 15U: Engine and Fuel Control Diagnostics

Theory of Operation

Engine Control Unit Schematic

Engine Sensor Schematic

CAN Network Schematic

Engine and Fuel Control Diagnostics

Group 15V: Engine Oil Pressure Switch Diagnostics

Theory of Operation

Engine Sensor Schematic

Engine Oil Pressure Switch Diagnostics

Group 15W: Engine Coolant Sensor Diagnostics

Theory of Operation

Engine Sensor Schematic

Engine Coolant Sensor Diagnostics

Group 15X: Engine Speed Sensor Diagnostics

Theory of Operation

Engine Sensor Schematic

Engine Speed Sensor Diagnostics

Group 15Y: Foam Marker (Dual Drop) Diagnostics

Theory of Operation

Foam Marker (Dual Drop) Schematics

Foamer System Problem Diagnostics

Group 15Z: Foam Marker (Single Drop) Diagnostics

Theory of Operation

Foam Marker (Single Drop) Schematics

Foamer System Problem Diagnostics

Group 15AA: Fuel Level Sensor Diagnostics

Theory of Operation

Fuel Level Sensor Schematic

Fuel Level Sensor Diagnostics

Group 15AB: Glow Plug Diagnostics

Theory of Operation

Glow Plug Schematic

Engine Control Unit Schematic

Engine Sensor Schematic

Glow Plug Diagnostics

Group 15AC: GREENSTARGREENSTAR is a trademark of Deere & Company AUTOTRACAUTOTRAC is a trademark of Deere & Company Diagnostics

Theory of Operation

Steering System Check and Calibration Procedure

SSU (A16) Diagnostic Trouble Codes

AutoTrac Schematics

AutoTrac Diagnostics

Group 15AD: GREENSTARGREENSTAR is a trademark of Deere & Company Caution Messages

GREENSTAR Caution Messages

Group 15AE: GREENSTARGREENSTAR is a trademark of Deere & Company Display Diagnostics

Theory of Operation

Electrical Schematic

Greenstar Display Diagnostic Trouble Codes

GREENSTAR GREENSTAR is a trademark of Deere & Company Display Diagnostics

Group 15AF: GREENSTARGREENSTAR is a trademark of Deere & Company Fault Codes-Access Through Display

Accessing GREENSTAR Fault Codes

Group 15AG: GREENSTARGREENSTAR is a trademark of Deere & Company Fault Codes

GREENSTAR Fault Codes

Group 15AH: GREENSTARGREENSTAR is a trademark of Deere & Company FIELD DOCFIELD DOC is a trademark of Deere & Company Diagnostics

Theory of Operation

CAN Bus Schematics

FIELD DOC FIELD DOC is a trademark of Deere & Company Diagnostics

Group 15AI: GREENSTARGREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics

Theory of Operation

Electrical Schematic

GREENSTAR GREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics

Group 15AJ: GREENSTARGREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics

Theory of Operation

Electrical Schematic

GREENSTAR GREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics

Group 15AK: GREENSTARGREENSTAR is a trademark of Deere & Company Parallel Tracking

Theory of Operation

Electrical Schematic

Parallel Tracking Type A Diagnostics

Group 15AL: RTK (Real Time Kinematic) Type Identification

RTK with STARFIRE STARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A

RTK with STARFIRE STARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B

Group 15AM: RTK with STARFIRE iTC Diagnostics - Type A

Theory of Operation

Electrical Schematic

RTK with STARFIRE iTC Diagnostics - Type A

Group 15AN: RTK with STARFIRE (Original) Diagnostics - Type B

Theory of Operation

Electrical Schematic

RTK with STARFIRE (Original) Diagnostics - Type B

Group 15AO: STARFIRESTARFIRE is a trademark of Deere & Company Receiver Identification

STARFIRE iTC Diagnostics - Type A

STARFIRE (Original) Diagnostics - Type B

STARFIRE (Original) with TCM Diagnostics - Type C

Group 15AP: STARFIRESTARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A

Theory of Operation

Electrical Schematic

STARFIRE STARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A

Group 15AQ: STARFIRESTARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B

Theory of Operation

Electrical Schematic

STARFIRE STARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B

Group 15AR: STARFIRESTARFIRE is a trademark of Deere & Company (Original) with TCM Diagnostics - Type C

Theory of Operation - Type C

Electrical Schematic - Type C

STARFIRE (Original) with TCM Diagnostics - Type C

Group 15AS: GREENSTARGREENSTAR is a trademark of Deere & Company WARNING Messages

GREENSTAR Warning Messages

Group 15AT: Horn Diagnostics

Theory of Operation

Horn Circuit Schematic

Voltage Checks

Group 15AU: Hydraulic Oil Temperature Sensor Diagnostics

Theory of Operation

Sensor Schematic

CAN Network Schematic

Hydraulic Oil Temperature Sensor Diagnostics

Group 15AV: Hydrostatic Boost Diagnostics

Theory of Operation

Schematics

Hydrostatic Boost Diagnostics

Group 15AW: Ladder w/ Remote Control Diagnostics

Theory of Operation

Ladder w/Remote Control Electrical Schematic

Ladder Diagnostics

Group 15AX: Lighter Diagnostics

Theory of Operation

Lighter Circuit Schematic

Voltage Checks

Group 15AY: Lighting Diagnostics

Theory of Operation

Lighting Circuit Operation

V1 - Diode Block

Warning and Turn Signal Lights - 90 Foot Boom Schematic

Warning and Turn Signal Lights - 60 Foot Boom Schematic

Road Lights Schematic

Field 1 and Field 2 Lights Schematic

Group 15AZ: Load Sense Jam Valve Diagnostics

Theory of Operation

Load Sense Jam Valve Schematics

Load Sense Jam Valve Diagnostics

Group 15BA: Operator Presence Switch Diagnostics

Theory of Operation

Schematic

Operator Presence Switch Diagnostics

Group 15BB: Park Brake Diagnostics

Theory of Operation

Park Brake Schematic

Park Brake Diagnostics

Group 15BC: Power Diagnostics

Theory of Operation

V1- Diode Block

Power System Schematic

Group 15BD: Radar Sensor Diagnostics

Theory of Operation

Radar Sensor Schematic

Radar Sensor Diagnostics

Group 15BE: Radio and Clock Diagnostics

Theory of Operation

Radio and Clock Schematic

Voltage Checks

Group 15BF: Seat Adjust Diagnostics

Theory of Operation

Seat Adjust Schematic

Seat Adjust Diagnostics

Group 15BG: Solution Pressure Diagnostics

Theory of Operation

Solution Pressure Schematic

Solution Pressure Electrical Diagnostics

Group 15BH: Solution Pump Diagnostics

Theory of Operation

Solution Pump Schematic

Solution Pump Diagnostics

Group 15BI: Speed Range Diagnostics

Theory of Operation

Speed Range Schematic

Speed Range Diagnostics

Group 15BJ: Spray Control Diagnostics

Theory of Operation

Spray Control Schematic for 80/90 Foot Boom

Spray Control Schematic for 60 Foot Boom

Spray Control System Diagnostics

Group 15BK: Spray Rate Controller Diagnostics

Theory of Operation

Spray Rate Controller Schematic

Spray Rate Controller Diagnostics

Group 15BL: Spray Rate Diagnostics

Theory of Operation

Spray Rate Schematic

Spray Rate Diagnostics

Group 15BM: Starting System Diagnostics

Starting System Theory of Operation

Starting System Schematic

Starting System Diagnostics

Group 15BN: Stop Light Diagnostics

Theory of Operation

Stop Light Schematic

Stop Light Diagnostics

Group 15BO: Throttle Diagnostics

Theory of Operation

Throttle Schematic

Throttle Diagnostics

Group 15BP: Traction Control Diagnostics

Theory of Operation

Traction Control Schematic

Traction Control Diagnostics

Group 15BQ: Tread Adjust Diagnostics

Theory of Operation

Tread Adjust Schematic

Tread Adjust Diagnostics

Group 15BR: Wheel Speed Sensor Diagnostics

Theory of Operation

Wheel Speed Sensor Schematic

Wheel Speed Sensor Diagnostics

Group 15BS: Wiper Diagnostics

Theory of Operation

Wiper Schematic

Voltage Checks

Group 20: Connector Information (end views, numbers, location photos)

Connector Number Designations

X100 - X199 Connectors

X200 - X299 Connectors

X400 - X499 Connectors

X500 - X599 Connectors

X600 - X699 Connectors

X700 - X799 Connectors

Section 250: Power Train Diagnosis and Tests

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Adjust Hydrostatic Pump Linkage

Adjust Charge Pressure Relief Valve

Adjust Charge Pressure Relief Valve on Front Pump

Adjust Charge Pressure Relief Valve on Rear Pump

Adjust Hydrostatic Forward High Pressure

Adjust Reverse High Pressure (Dual Stage Multi-function Valves)

Hydrostatic Pump Synchronization Procedure

Test - Hydrostatic Charge Pressure

Test - Neutral Charge Pressure

Test - Forward and Reverse Charge Pressure

Test - Independent Forward and Reverse Charge Pressure

Test - Hydrostatic Pump Limiter Pressure

Test - Pressure Difference Between Hydrostatic Pumps

Test - Reverse Boost Engage Pressure

Test - Case Drain Flow of Motors For Front Hydrostatic Pump

Test - Case Drain Flow of Motors For Rear Hydrostatic Pump

Test Results Worksheet

Group 15A: Final Drive Diagnostics

Theory of Operation

Final Drive Schematic

Final Drive Diagnostics

Group 15B: Hydrostatic Drive Diagnostics

Theory of Operation

Hydrostatic Drive Schematic

Hydrostatic Drive Diagnostics

Group 15C: Hydrostatic Reverse Boost Diagnostics

Theory of Operation

Hydrostatic Reverse Boost Hydraulic Schematic

Reverse Boost Hydraulic Diagnostics

Group 15D: Traction Control Diagnostics

Theory of Operation, Traction Control

Schematic, Traction Control Hydraulics

Traction Control Diagnostics

Section 260: Brake Systems Diagnosis and Tests

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Service Brake Pressure Test

Bleeding Service Brakes

Park Brake Release Pressure Test

Park Brake Wheel Hub Release Test

Group 15A: Park Brake Diagnostics

Theory of Operation

Park Brake Schematic

Park Brake Diagnostics

Group 15B: Service Brakes Diagnostics

Theory of Operation

Service Brake Schematic

Service Brake Diagnostics

Section 270: Hydraulic System Diagnosis and Tests

Group 05: General Information

General Information

Hydraulic System Component Glossary

Hydraulic Operational Checks

Group 10: Test Procedures and Adjustments

Test and Adjust Standby Pressure

Test and Adjust Compensator Pressure

Steering Valve Load Sense Relief Test

Test Proportional Valve and Solution Pump Hydraulic Flow Rate

Test Hydraulic Load Sense System

Group 15A: Basic Hydraulic System Diagnostics

Theory of Operation

Combination Valve Port Locations

Hydraulic System Schematic—18.3 M (60 Ft) Boom

Hydraulic System - Boom Schematic

Hydraulic System Basic Diagnostics

Group 15B: Boom - Left-Hand Leveling Diagnostics

Theory of Operation

Hydraulic System Schematic—18.3 M (60 Ft) Boom

Hydraulic System Schematic—24.4 M and 27.4 M (80 and 90 ft) Boom

Boom - Left-Hand Leveling Diagnostics

Group 15C: Boom Raise and Lower Diagnostics

Theory of Operation

Hydraulic System Schematic—18.3 M (60 Ft) Boom

Hydraulic System - Boom Schematic

Boom Raise and Lower Diagnostics

Group 15D: Boom - Right-Hand Leveling Diagnostics

Theory of Operation

Hydraulic System Schematic—18.3 M (60 Ft) Boom

Hydraulic System - Boom Schematic

Boom - Right-Hand Leveling Diagnostics

Group 15E: Boom Roll Bias Diagnostics

Theory of Operation

Hydraulic System - Boom Schematic

Roll Bias Diagnostics

Group 15F: Boom Unfold/Fold Diagnostics - 18.3 M (60 ft) Boom

Theory of Opeation

Hydraulic System Schematic—18.3 M (60 Ft) Boom

Boom Unfold and Fold Diagnostics

Group 15G: Boom Unfold/Fold Diagnostics — 24.4/27.4 M (80/90 ft) Boom

Theory of Operation

Hydraulic System - Boom Schematic

Boom Unfold/Fold Diagnostics

Group 15H: Power Washer Diagnostics

Theory of Operation

Hydraulic Schematic

Power Washer Diagnostics

Group 15I: Solution Pump Diagnostics

Theory of Operation

Hydraulic System Schematic—18.3 M (60 Ft) Boom

Hydraulic System - Boom Schematic

Solution Pump Hydraulic Diagnostics

Group 20: Component Location

Component Identification

Section 275: Suspension and Tread Adjust Diagnosis and Tests

Group 05: General Information

General Information

Tread Adjust Operation Checks

Group 10: Test Procedures and Adjustments

Test and Adjust Compensator Pressure

Tread Adjust Cylinder Leakage Test

Tread Adjust Shim Gap Tests and Adjustments

Suspension Scissors Assembly Adjustment Procedure

Group 15: Tread Adjust Diagnostics

Theory of Operation

Tread Adjust Hydraulic Schematic

Tread Adjust Diagnostics

Group 20: Component Location

Tread Adjust Component Location

Section 280: Steering System Diagnosis and Tests

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Steering Valve Load Sense Relief Test

Toe Control Valve Relief Test

Steering Cylinder Leak Test

Group 15: Steering Diagnostics

Theory of Operation

Steering System Hydraulic Schematics

Steering System Diagnostics

Group 20: Component Location

Component Location

Section 290: Operator Station Diagnosis and Tests

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Air Conditioner Service Ports

System Operating Pressure Test

Pressure and Leak Testing The Air Conditioning System

Group 15: Air Conditioning and Heating Diagnostics

Theory of Operation

Air Conditioning Schematic

Air Conditioning Diagnostics

Group 20: Component Location

Air Conditioning System Components

Section 300: Solution System Diagnosis and Tests

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Chemicals, avoid contact

Solution System Checks

Checking Dead Head Pressure

Check Flowmeter Calibration

Solution Pressure Transducer Electrical Test

Boom Shutoff Valve Mechanical Check

Group 15A: Eductor Diagnostics

Solution System Theory of Operation

Solution System Schematic

Solution System Eductor Diagnostics

Group 15B: Erratic Rate Diagnostics

Solution System Theory of Operation

Solution System Schematic

Solution System Erratic Rate Diagnostics

Group 15C: Loading Diagnostics

Solution System Theory of Operation

Solution System Schematic

Solution System Loading Diagnostics

Group 15D: Solution Pressure Diagnostics

Solution System Theory of Operation

Solution System Schematic

Solution System Pressure Diagnostics

Group 15E: Over or Under Application Diagnostics

Solution System Theory of Operation

Solution System Schematic

Solution System Over or Under Application Diagnostics

Group 20: Component Location

Solution System Component Location

Section 310: Foamer Diagnosis and Tests

Group 05: General Information

General Information

Group 10: Test Procedures and Adjustments

Test Procedures and Adjustments

Group 15: Foam Marker Diagnostics

Theory of Operation

Foam Marker Schematics

Foamer Diagnostic Procedure (12 Volt Air Supply)

Foamer Diagnostic Procedure (On Board Air Supply)

Group 20: Component Location

Foamer Component Location

Section 320: Automatic Air Suspension Leveling System Diagnostics and Tests

Group 15: Automatic Air Suspension Leveling System Diagnostics

Theory of Operation

Schematic

Diagnostics

Section 399: Dealer Fabricated Tools

Group 05: Dealer Fabricated Tools

DFN20 Solution Pump Seal Driver

DFN21 Pump Support Fixture

DFN22 Bearing Seat Driver

DFN23 Hydrostatic Motor Seal Driver

DFNX65-A1 Eccentric Plug Adjustment Tool

DFRW130—Relay Circuit Test Lead

John Deere Self-Propelled Sprayer 4720 Diagnosis and Tests Service Manual (TM2230)

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