John Deere Tractors 6820, 6920, 6920S Repair TM4756 Technical Manual PDF

This repair manual is valid for the following tractor types 6820, 6920 and 6920S.
The manual is written for experienced customer service personnel. Essential tools required in performing certain service work are identified in this manual and are recommended for use.
This technical manual comes in PDF format. This manual includes 1250 pages, all pages are printable and readable. We recommend to use Adobe PDF Reader, to be sure all images / graphics will display correctly.

Models covered:
6820, 6920, 6920S.

For complete service information also see:

• CTM4687 - Front Wheel Drive Axles AS, MS Series
• CTM4820 - Front-Wheel Drive Axles 700 Series

CONTENTS:

• SECTION 05—Safety
  • Group 05—Safety information
• SECTION 10—General information
  • Group 05—Specifications
  • Group 10—Tune-up
  • Group 15—Inspection before delivery
• SECTION 20—Engine
  • Group 00—Installing and removing components
• SECTION 30—Fuel, air intake, heating, exhaust system
  • Group 05—Speed control
  • Group 10—Fuel system
  • Group 15—Air intake system
  • Group 20—Heating system
  • Group 25—Cold-weather starting aid
  • Group 30—Exhaust system
• SECTION 40—Electrical equipment
  • Group 05—Electrical connectors
  • Group 10—Wiring harnesses
  • Group 15—Charging current circuit couplings
  • Group 20—Starting current circuit
  • Group 25—Fuses, relays and connectors
  • Group 30—Monitoring systems
  • Group 40—Electrical components
• SECTION 53—AutoPowr/IVT transmission
  • Group 00—Removing and installing the AutoPowr/IVT transmission
  • Group 05—Transmission shifting mechanisms
  • Group 10—Input housing
  • Group 15—Output housing
  • Group 20—Assembling the intermediate shaft
• SECTION 55—PowrQuad, PowrQuad Plus and AutoQuad transmission
  • Group 00—Installing and removing components
  • Group 05—Transmission shifting mechanisms
  • Group 10—PowrQuad module
  • Group 15—Creeper transmission
  • Group 20—Range transmission
• SECTION 56—Transmission (without gear)
  • Group 00—Installing and removing components
  • Group 05—U.J. Shaft and torsion damper
  • Group 10—FWD clutch
  • Group 15—Differential
  • Group 20—Hydraulic pump drive
  • Group 25—Final drives
  • Group 30—Rear PTO
• SECTION 60—Steering and brakes
  • Group 05—Hydrostatic steering
  • Group 10—Brake valve
  • Group 15—Rear wheel brakes
  • Group 20—Handbrake
  • Group 25—Hydraulic trailer brakes
  • Group 30—Air brake system
• SECTION 70—Hydraulic system
  • Group 05—Control elements
  • Group 10—Hydraulic pump and charge oil pump
  • Group 15—Valves
  • Group 20—Rockshaft
  • Group 25—Additional control units and reception couplings
  • Group 30—Indepent additional control unit
• SECTION 80—Miscellaneous
  • Group 40—Electrical components
  • Group 05—Main frame
  • Group 10—Front and rear wheels
  • Group 15—Trailer support and counterweight pendant
  • Group 20—Axle suspension of TLS front wheel drive axle
  • Group 25—Hydraulic wagon hitch
• SECTION 90—Operator’s cab
  • Group 00—Installing and removing components
  • Group 05—Controls and instruments
  • Group 10—Air-conditioning system
  • Group 15—Heating system
  • Group 20—Seats
  • Group 25—Operator’s cab
  • Group 30—Components of the electronic hitch control
• SECTION 99—Special tools (dealer- fabricated)
  • Group 05—Special tools (dealer- fabricated)