John Deere Tractors 6020, 6020SE, 6120, 6120SE, 6220, 6220SE, 6320, 6320SE, 6420, 6420S, 6420SE, 6520, 6520SE, 6620, 6920, 6920S Diagnosis and Tests Service Technical Manual (TM4741) - MJODTM4741.zip
Complete Operation & Tests Technical Manual with electrical wiring diagrams for John Deere 2WD or MFWD Tractors 6020, 6020SE, 6120, 6120SE, 6220, 6220SE, 6320, 6320SE, 6420, 6420S, 6420SE, 6520, 6520SE, 6620, 6820, 6920, 6920S (European Version) , with workshop information to maintain, diagnose, repair, and service like professional mechanics.
John Deere Tractors 6020, 6120, 6220, 6320, 6420, 6520, 6620, 6820, 6920 (S,SE) workshop Diagnosis & Tests technical 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.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* 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.
For complete service information also see:
6020 to 6920S Tractors and SE Tractors Diagnostics - TM4726
6020 to 6620 Tractors and SE Tractors Repair - TM4750
6820, 6920 and 6920S Tractors Repair - TM4756
Front-Wheel Drive Axles (AS and MS Series) - CTM4687
Front-Wheel Drive Axles (700 Series) - CTM4820
POWERTECH Engines - CTM104
Mechanical Fuel Injection Systems - CTM207
Electronic Fuel Injection Systems (Level 4) - CTM170
Electronic Fuel Injection Systems (Level 1) - CTM284
Electronic Fuel Injection Systems (Level 11) - CTM220
Electronic Fuel Injection Systems (Level 12) - CTM331
Alternators and Starting Motors - CTM77
PRODUCT DETAILS:
Total Pages: 5,747 pages
File Format: PDF (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
TM4741 English - John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual (Operation and Tests).pdf
tm4741 - 6020 to 6920S Tractors - Operation and Test (European Version) Technical Manual.pdf
tm4641 German - Traktoren 6020 bis 6920S Operation and Tests
tm4742 French - Tracteurs 6020 à 6920S
tm4744 Italian - Funzionamento e prove trattori 6020 - 6920S Vol. 1/2: Sezioni da 210 a 240
tm4745 Dutch - Trekkers 6202 t/m 6920S Werking en controles
tm4748 Finnish - TEKNINEN KASIKIRJA Traktorit 6020 - 6920S ja SE-traktorit Toiminta ja testaukset Osa 1: Kappaleet 210 - 240-25C
tm4946 Russian - 6020 to 6920S Tractors SE Operation and Test
MAIN SECTIONS
Foreword
Version date
GENERAL INFORMATION
Safety Measures
General References
ENGINE
Operational Check-Out
Tests and Adjustments
FUEL, AIR INTAKE AND COOLING SYSTEMS
Tests and Adjustments
Theory of Operation
ELECTRICAL SYSTEM
Sub-System Diagnostics (Cab)
Sub-System Diagnostics (Open Operator's Station)
Sub-System Diagnostics (SE Tractors)
Component Tests
Functional Schematics (AutoPowr/IVT Transmission)
Functional Schematics (PowrQuad Plus, AutoQuad and AutoQuad Plus Transmissions)
Functional Schematics (Open Operator's Station)
Functional Schematics (SE Tractor)
Summary of Wiring Harnesses
Wiring Harnesses
Wiring Harnesses (Continued)
Wiring Harnesses from Serial Number 398656
Wiring Harnesses from Serial Number 398656 (Continued)
ELECTRONIC CONTROL UNITS
Operation and General Information on Diagnostics
Data BUS Systems, Operation
ATC - Automatic Temperature Control Unit
BCU - Basic Control Unit
BIF - Basic Informator
ECU - Engine Control Unit
EPC - Control Unit for PowrQuad Plus, AutoQuad and AutoQuad Plus Transmissions
JDL - Control Unit for JDLink
PLC - Park Lock Controller
PRF - Performance Monitor
SFA - Control Unit for Front-Wheel Drive Axle and Cab Suspension
SIC - Control Unit for Electrically Activated Selective Control Valves
SSU - Control Unit for AutoTrac
TCU - Control Unit for AutoPowr/IVT Transmission
TEC - Control Unit for Tractor Equipment Interface
UIC - User Interface Controller
UIM - User Interface Module, Keyboard for GreenStar Display 2100
SYNCROPLUS TRANSMISSION
Introductory Checks
Operational Check-Out
Tests and Adjustments
Theory of Operation
POWER REVERSER TRANSMISSION
Operational Check-Out
Tests and Adjustments
Theory of Operation
AUTOPOWR/IVT TRANSMISSION
Operational Check-Out
Tests and Adjustments
Theory of Operation
POWRQUAD, POWRQUAD PLUS, AUTOQUAD AND AUTOQUAD PLUS TRANSMISSIONS
Operational Check-Out
Tests and Adjustments
Theory of Operation
DRIVE SYSTEMS
Operational Check-Out
Tests and Adjustments
Theory of Operation
STEERING AND BRAKES
Introductory Checks
Operational Check-Out
Tests and Adjustments
Theory of Operation
HYDRAULIC SYSTEM
Operational Check-Out
Tests and Adjustments
Theory of Operation
MISCELLANEOUS
Operational Check-Out
Tests and Adjustments
Theory of Operation
OPERATOR'S CAB
Operational Check-Out
Tests and Adjustments
Theory of Operation
SPECIAL TOOLS
Special Tools (Dealer-Fabricated)
Special Tools and Test Equipment
tm4741 - 6020 to 6920S Tractors - Operation and Test (European Version)
Table of Contents
Foreword
Version date
Section 210: GENERAL INFORMATION
Group 05: Safety Measures
Recognize Safety Information
”Important” Information
”Note” Information
Prevent Machine Runaway
Handle Fluids Safely-Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Avoid High-Pressure Fluids
Service Cooling System Safely
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Work In Ventilated Area
Wear Protective Clothing
Practice Safe Maintenance
Park Machine Safely
Use Proper Lifting Equipment
Construct Dealer-Made Tools Safely
Support Machine Properly
Work in Clean Area
Illuminate Work Area Safely
Service Machines Safely
Use Proper Tools
Service Tires Safely
Service Front-Wheel Drive Tractor Safely
Safety Information - Air Brake System
Avoid Eye Contact With Radar
Keep ROPS Installed Properly
Replace Safety Signs
Dispose of Waste Properly
Live With Safety
Safety Measures on Electronic Control Units
Group 15: General References
Reference 210-15-001, General References-Summary
Reference 210-15-010, Unified Inch Bolt and Cap Screw Torque Values
Reference 210-15-015, Metric Bolt and Cap Screw Torque Values
210-15-020, Hydraulic System Inch Fitting Torques
210-15-025, Hydraulic System Metric Fitting Torques
210-15-030, Component Identification Table
Reference 210-15-035, How to Read a Functional Schematic
210-15-040, How to Read a Diagnostic Schematic
210-15-042, Wire Numbers and Color Codes
210-15-045, Schematic, Wiring and Harness Symbols
Reference 210-15-046, Troubleshooting Unsolved Problems
210-15-050, Visual Check of the Electrical System
Reference 210-15-055, Electrical Circuit Malfunctions
Reference 210-15-060, Seven Step Electrical Test Procedure
210-15-065, Hydraulic System - Circuit Symbols
Section 220: ENGINE
Group 10: Operational Check-Out
Reference 220-10-010, Safety
220-10-020, Preliminary Engine Tests
Group 15: Tests and Adjustments
Reference 220-15-001, Tests and Adjustments-Summary of References
220-15-010, Dynamometer Test
Reference 220-15-020, Measuring PTO Power Output
Reference 220-15-030, Engine Tests with Service ADVISOR
Section 230: FUEL, AIR INTAKE AND COOLING SYSTEMS
Group 15: Tests and Adjustments
Reference 230-15-001, Tests and Adjustments - Summary of References
Reference 230-15-010, General Information
Reference 230-15-020, Explanation of Checks
Reference 230-15-030, Safety
Reference 230-15-040, Special Tools
Reference 230-15-050, Specifications
Reference 230-15-060, Testing the Air Intake System
Reference 230-15-070, Checking the Cooling System for Leaks
Reference 230-15-075, Flow-testing in the Low-Temperature Circuit (not for tractors with AutoPowr)
Reference 230-15-076, Flow-testing in the Low-Temperature Circuit (tractors with AutoPowr)
Reference 230-15-080, Testing the Temperature at which the Thermostat opens
Reference 230-15-090, Checking the Viscous Fan Drive
Reference 230-15-100, Checking the Fuel Transfer Pump
Reference 230-15-110, Hand Throttle Lever and Accelerator Pedal Adjustment
Reference 230-15-120, Accelerator Pedal Adjustment
Group 20: Theory of Operation
Reference 230-20-001, Component Description - Summary of References
Reference 230-20-010, Fuel System - Description
Reference 230-20-020, Air Intake System - Theory of Operation
Reference 230-20-030, Coolant Circuit - Description
Reference 230-20-040, Cooling System Radiator - Description
Reference 230-20-050, Intercooler - Description
Reference 230-20-060, Ring-Shaped (Transmission Oil) Cooler - Description
Reference 230-20-070, Viscous Fan Drive - Theory of Operation
Reference 230-20-072, Coolant Pumps in Low-Temperature Circuit (AutoPowr/IVT) - Operation
Reference 230-20-080, Automatic Drive Belt Tensioner - Theory of Operation
Reference 230-20-020, Cold Weather Starting Aids - Theory of Operation
Section 240: ELECTRICAL SYSTEM
Group 10: Sub-System Diagnostics (Cab)
Reference 240-10-001, Sub-System Diagnostics (Cab) - Summary of References
Reference 240-10-002, Special Tools
Reference 240-10-050, SE1 - Starting Motor and Charging Circuit
Reference 240-10-004, SE2 - Basic Informator (BIF)
Reference 240-10-005, SE3 - Horn
Reference 240-10-006, SE4 - Cigarette Lighter and Operator's Seat
Reference 240-10-007, SE6 - Lights
Reference 240-10-008, SE7 - Worklights
Reference 240-10-009, SE8 - Front Loader Plug
Reference 240-10-010, SE9 - Radio, Dome Light, Console Light and Access Step Light
Reference 240-10-011, SE10 - Fan, Air-Conditioning and ATC Automatic Air-Conditioning Control (ClimaTrak)
Reference 240-10-012, SE11 - Windshield Wiper and Washer
Reference 240-10-013, SE12 - Rear Window Wiper and Washer
Reference 240-10-014, SE13 - Beacon Light
Reference 240-10-015, SE14 - 3- and 7-Terminal Power Outlet Sockets
Reference 240-10-016, SE15 - Electronic Hitch Control (BCU)
Reference 240-10-017, SE16A - Basic Control Unit (BCU) (Rear PTO and External Control)
Reference 240-10-018, SE16B - Basic Control Unit (BCU) (Front PTO)
Reference 240-10-019, SE16C - Basic Control Unit (BCU) (Front-Wheel Drive)
Reference 240-10-020, SE16D - Basic Control Unit (BCU) (Differential Lock)
Reference 240-10-021, SE16E - Basic Control Unit (BCU) (Hazard Warning and Turn Signal Lights)
Reference 240-10-051, SE16F - Basic Control Unit (BCU) (Speed Sensor and Radar with PowrQuad Plus, AutoQuad and AutoQuad Plus Transmissions)
Reference 240-10-022, SE16F - Basic Control Unit (BCU) (Speed Sensor and Radar with AutoPowr/IVT Transmission)
Reference 240-10-023, SE16G - Basic Control Unit (BCU) (Headland Management System II)
Reference 240-10-024, SE16H - Basic Control Unit (BCU) (Power Supply, Acoustic Alarm)
Reference 240-10-025, SE16I - Basic Control Unit (BCU) (LTC Coolant Pump)
Reference 240-10-026, SE16J - Basic Control Unit (BCU) (Brake System and Handbrake Monitor Unit)
Reference 240-10-027, SE17 - Signal and Service Sockets
Reference 240-10-028, SE18 - Performance Monitor (PRF)
Reference 240-10-029, SE20 - Front-Wheel Drive Axle with TLS and Cab Suspension (SFA)
Reference 240-10-030, SE21 - Electronic Actuation of SCVs
Reference 240-10-031, SE21A - Stepper Motor Driver for Electronic Independent Control Valves (E-ICV)
Reference 240-10-032, SE21B - Stepper Motor Drivers for Electronic Selective Control Valves (E-SCV)
Reference 240-10-033, SE22 - CAN BUS Terminating Resistor
Reference 240-10-052, SE23A - Electronic Engine Control, Level 1 ECU (Stage I engines to 97/68/EC) and Level 12 ECU (Stage II engines to 97/68/EC)
Reference 240-10-034, SE23B - Electronic Engine Control, Level 4 ECU (Stage I engines to 97/68/EC) and Level 11 ECU (Stage II engines to 97/68/EC)
Reference 240-10-035, SE26 - Transmission Control Unit (TCU) (AutoPowr/IVT Transmission)
Reference 240-10-053, SE26A - Transmission Control (EPC) and Electrical Forward/Reverse Controls (PowrQuad Plus, AutoQuad and AutoQuad Plus transmissions)
Reference 240-10-036, SE27 - Transmission Shift (UIC) (AutoPowr/IVT Transmission)
Reference 240-10-037, SE28 - Electronic Park Lock (PLC) (AutoPowr/IVT Transmission)
Reference 240-10-040, SE29 - Electric Rear-View Mirrors
Reference 240-10-038, SE30 - JDLink Control Unit
Reference 240-10-039, SE31 - Heated Rear Window
Reference 240-10-041, SE32 - TEC Control Unit and 60-amp Socket (Implement BUS)
Reference 240-10-042, SE33 - GreenStar
Reference 240-10-045, SE35 - Automatic Steering System (SSU) (AutoTrac)
Reference 240-10-046, SE33 - GreenStar Display 2100
Reference 240-10-047, SE37 - Electro-Hydraulic Pick-up Hitch
Group 10A: Sub-System Diagnostics (Open Operator's Station)
Reference 240-10A-001, Sub-System Diagnostics (Open Operator's Station) - Summary of References
Reference 240-10-002, Special Tools
Reference 240-10A-003, SE1 - Starting Motor and Charging Circuit
Reference 240-10A-004, SE2 - Instrument Unit
Reference 240-10A-005, SE3 - Horn
Reference 240-10A-006, SE4 - Operator's Seat
Reference 240-10A-007, SE6 - Lights
Reference 240-10A-008, SE7 - Worklights
Reference 240-10A-009, SE14 - 3- and 7-Terminal Power Outlet Sockets
Reference 240-10A-010, SE15 - Electronic Hitch Control (BCU)
Reference 240-10A-011, SE16A - Basic Control Unit (BCU) (Rear PTO)
Reference 240-10A-012, SE16B - Basic Control Unit (BCU) (Front PTO)
Reference 240-10A-013, SE16C - Basic Control Unit (BCU) (Front-Wheel Drive)
Reference 240-10A-014, SE16D - Basic Control Unit (BCU) (Differential Lock)
Reference 240-10A-015, SE16E - Basic Control Unit (BCU) (Hazard Warning Light and Turn Signal Lights)
Reference 240-10A-016, SE16F - Basic Control Unit (BCU) (Speed Sending Units)
Reference 240-10A-017, SE16H - Basic Control Unit (BCU) (Power Supply, Acoustic Alarm and BUS Connection)
Reference 240-10A-018, SE16J - Basic Control Unit (BCU) (Brake System)
Reference 240-10A-019, SE17 - Signal Socket
Reference 240-10A-020, SE22 - CAN BUS Terminating Resistor
Reference 240-10A-021, SE23 - Electronic Engine Control (Level 12 ECU)
Group 10B: Sub-System Diagnostics (SE Tractors)
Reference 240-10B-001, Sub-System Diagnostics (SE Tractors) - Summary of References
Reference 240-10-002, Special Tools
Reference 240-10B-003, SE1 - Starting Motor and Charging Circuit
Reference 240-10B-004, SE2 - Instrument Unit
Reference 240-10B-005, SE3 - Horn
Reference 240-10B-006, SE4 - Operator's Seat
Reference 240-10B-007, SE6 - Lights
Reference 240-10B-008, SE7 - Worklights
Reference 240-10B-009, SE9 - Radio, Dome Light and Console Light
Reference 240-10B-010, SE10 - Fan and Air-Conditioning System
Reference 240-10B-011, SE11 - Windshield Wiper and Washer
Reference 240-10B-012, SE13 - Beacon Light
Reference 240-10B-013, SE14 - 3- and 7-Terminal Power Outlet Sockets
Reference 240-10B-014, SE15 - Electronic Hitch Control (BCU)
Reference 240-10B-015, SE16A - Basic Control Unit (BCU) (Rear PTO)
Reference 240-10B-016, SE16B - Basic Control Unit (BCU) (Front PTO)
Reference 240-10B-017, SE16C - Basic Control Unit (BCU) (Front-Wheel Drive)
Reference 240-10B-018, SE16D - Basic Control Unit (BCU) (Differential Lock)
Reference 240-10B-019, SE16E - Basic Control Unit (BCU) (Hazard Warning and Turn Signal Lights)
Reference 240-10B-020, SE16F - Basic Control Unit (BCU) (Speed Sending Units)
Reference 240-10B-021, SE16H - Basic Control Unit (BCU) (Power Supply, Acoustic Alarm and BUS Connection)
Reference 240-10B-022, SE16J - Basic Control Unit (BCU) (Brake System and Handbrake Monitor Unit)
Reference 240-10B-023, SE17 - Signal Socket
Reference 240-10B-024, SE22 - BUS Terminating Resistor
Reference 240-10B-025, SE23 - Electronic Engine Control (Level 12 ECU)
Group 15: Component Tests
Reference 240-15-101, Component Tests - Summary of References
Reference 240-15-001, SE01 - Starting Motor and Charging Circuit
Reference 240-15-002, SE02 - Basic Informator or Instrument Unit
Reference 240-15-003, SE03 - Horn
Reference 240-15-004, SE04 - Cigarette Lighter and Operator's Seat
Reference 240-15-005, SE06 - Lights
Reference 240-15-006, SE07 - Worklights
Reference 240-15-007, SE09 - Radio, Dome Light and Console Light
Reference 240-15-008, SE10 - Fan, Air-Conditioning and ATC Automatic Air-Conditioning Control (ClimaTrak)
Reference 240-15-009, SE11 and SE12 - Windshield Wiper and Washer
Reference 240-15-010, SE13 - Beacon Light
Reference 240-15-011, SE14 - 3- and 7-Terminal Power Outlet Sockets
Reference 240-15-012, SE15 - Electronic Hitch Control (BCU)
Reference 240-15-013, SE16A - Basic Control Unit (BCU) (Rear PTO and External Control)
Reference 240-15-014, SE16B - Basic Control Unit (BCU) (Front PTO)
Reference 240-15-015, SE16C - Basic Control Unit (BCU) (Front-Wheel Drive)
Reference 240-15-016, SE16D - Basic Control Unit (BCU) (Differential Lock)
Reference 240-15-017, SE16E - Basic Control Unit (BCU) (Hazard Flasher and Turn Signal Unit)
Reference 240-15-018, SE16G - Basic Control Unit (BCU) (Headland Management System)
Reference 240-15-019, SE16H - Basic Control Unit (BCU) (Power Supply, Acoustic Alarm)
Reference 240-15-020, SE16I - Basic Control Unit (BCU) (LTC Coolant Pump)
Reference 240-15-021, SE16J - Basic Control Unit (BCU) (Brake System and Handbrake Monitor Unit)
Reference 240-15-022, SE20 - Front-Wheel Drive Axle with TLS and Cab Suspension (SFA)
Reference 240-15-023, SE21 - E-ICV / E-SCV Controller (SIC)
Reference 240-15-024, SE22 - CAN BUS Terminating Resistor
Reference 240-15-025, SE23 - Electronic Engine Control (ECU)
Reference 240-15-026, SE26A - Transmission Control (EPC) and Electrical Forward/Reverse Controls (PowrQuad Plus, AutoQuad and AutoQuad Plus transmissions)
Reference 240-15-028, SE27 - User Interface Controller (UIC) (AutoPowr/IVT Transmission)
Reference 240-15-029, SE28 - Electronic Park Lock (PLC) (AutoPowr/IVT Transmission)
Reference 240-15-030, SE29 - Electric Rear-View Mirrors
Reference 240-15-031, SE31 - Heated Rear Window
Reference 240-15-032, SE32 - Control Unit TEC and 60-amp Socket (Implement BUS)
Group 25: Functional Schematics (AutoPowr/IVT Transmission)
Reference 240-25-001, Functional Schematics and Fuses (AutoPowr/IVT Transmission) - Summary of References
Reference 240-25-002, Fuses and Relays (AutoPowr/IVT transmission) up to Serial No. 398655
Reference 240-25-007, Fuses and Relays (AutoPowr/IVT transmission) from Serial No. 398656
Reference 240-25-003, Designation of Parts Shown in Functional Schematic and Harness Diagram
Reference 240-25-004, Designation of Sections Shown in Functional Schematic
Reference 240-25-005, Wiring Harness Designations
Reference 240-25-006, Functional Schematic (Complete Tractor) (AutoPowr/IVT transmission)
Group 25A: Functional Schematics (PowrQuad Plus, AutoQuad and AutoQuad Plus Transmissions)
Reference 240-25A-001, Functional Schematics and Wiring Harnesses (PowrQuad Plus, AutoQuad and AutoQuad Plus Transmissions ) - Summary of References
Reference 240-25A-010, Fuses and Relays up to Serial No. 398655
Reference 240-25A-015, Fuses and Relays from Serial No. 398656
Reference 240-25-003, Designation of Parts Shown in Functional Schematic and Harness Diagram
Reference 240-25-004, Designation of Sections Shown in Functional Schematic