John Deere 6520 6620 6820 6920 And 6920S Tractors Operation and Test Technical Manual TM4741

John Deere 6520 6620 6820 6920 And 6920S Tractors Operation and Test Technical Manual TM4741

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This is the COMPLETE Official Operation and Test Technical Manual for the John Deere Tractors .
This manual contains deep information about Operate and Test your John Deere.

This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.

Technical manuals are divided in two parts: repair and
operation and tests. Repair sections tell how to repair
the components. Operation and tests sections help you
identify the majority of routine failures quickly.
Information is organized in groups for the various
components requiring service instruction. At the
beginning of each group are summary listings of all
applicable essential tools, service equipment and tools,
other materials needed to do the job, service parts kits,
specifications, wear tolerances, and torque values.
Technical Manuals are concise guides for specific
machines. They are onthejob
guides containing only the
vital information needed for diagnosis, analysis, testing,
and repair.

SECTION 210—GENERAL INFORMATION
Group 05—Safety Measures
Group 15—General References
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 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 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
Group TCU—TCU - Control Unit for AutoPowr/IVT
Transmission
Group UIC—UIC - User Interface Controller
SECTION 250—SYNCROPLUS TRANSMISSION
Group 05—Introductory Checks
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 251—POWER REVERSER
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 253—AUTOPOWR/IVT TRANSMISSION
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 255—POWRQUAD, POWRQUAD PLUS
AND AUTOQUAD TRANSMISSIONS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
SECTION 256—DRIVE SYSTEMS
Group 10—Operational Check-Out
Group 15—Tests and Adjustments
Group 20—Operation
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
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)