Complete Technical Manual (Operation and Tests) for John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

TM4741 - John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual (Operation and Tests).pdf

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

Foreword
This “Operation and Tests” manual applies to the following tractor types:
6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 and 6920S.
SE tractors: 6020, 6120, 6220, 6320, 6420 and 6520.
This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.

TABLE OF CONTENTS
SECTION 210—GENERAL INFORMATION
Group 05—Safety Measures
Group 15—General References
SECTION 250—SYNCROPLUS TRANSMISSION
Group 05—Introductory Checks
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 220—ENGINE
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
SECTION 230—FUEL, AIR INTAKE AND COOLING SYSTEMS
Group 15—Tests and Adjustments
Group 20—Descriptions
SECTION 251—POWER REVERSER
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 240—ELECTRICAL SYSTEM
Group 10—Sub-System Diagnostics (Cab)
Group 10A—Sub-System Diagnsotics (Open Operator’s Station)
Group 10B—Sub-System Diagnostics (SE Tractor)
Group 15—Component Testing
Group 25—Functional Schematics (AutoPowr/IVT Transmission)
Group 25A—Functional Schematics (PowrQuad Plus & AutoQuad Transm.)
Group 25B—Functional Schematics (Open Operator’s Station)
Group 25C—Functional Schematics (SE Tractor)
Group 26—Wiring Harnesses
SECTION 253—AUTOPOWR/IVT TRANSMISSION
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 245—ELECTRONIC CONTROL UNITS
Group 05—Operation and General Information on Diagnostics
Group 10—Data BUS Systems, Diagnosis
Group 20—Data BUS Systems, Theory of Operation
Group BCU—BCU - Basic Control Unit
Group BIF—BIF - Basic Informator
Group ECU—ECU - Engine Control Unit
Group EPC—EPC - Control Unit for PowrQuad Plus and AutoQuad Transmissions
Group JDL—JDL - Control Unit for JDLink
Group PLC—PLC - Park Lock Controller
Group PRF—PRF - Performance Monitor
Group SFA—SFA - Control Unit for Front-Wheel Drive Axle and Cab Suspension
Group SIC—SIC - E-SCV/E-ICV Controller
SECTION 255—POWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation 245
SECTION 256—DRIVE SYSTEMS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation 250
SECTION 260—STEERING AND BRAKES
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 270—HYDRAULIC SYSTEM
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 280—MISCELLANEOUS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
Continued on next page
SECTION 290—OPERATOR’S CAB
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 299—SPECIAL TOOLS
(Dealer-Fabricated)
Group 05—Special Tools (Dealer-Fabricated)

John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors Technical Manual (Operation and Tests) (TM4741)