CONTENTS
Foreword
Safety
Safety Precautions
Service Codes
HCU Code Diagnostics
BCU Code Diagnostics
RCU Code Diagnostics
Observable Symptom
Electrical
Transmission
Power Take-Off
Brakes
Hitch
Engine
Dynamometer Test
Fuel, Air Intake and Cooling Systems
System Diagnosis
System Tests
Fuel System
Air Intake System
Cooling System
Cold Weather Starting Aids
Electrical System
System Information
System Diagrams (6100-6400 up to Serial No. 127538)
System Diagrams (6100-6506 from Serial No. 127539)
System Diagrams (6600, 6800 up to Serial No. 139832)
System Diagrams (6100 to 6900)
System Diagrams (SE Tractors)
Sub-System Diagnostics (6100-6400 up to Serial No. 127538)
Sub-System Diagnostics (6100-6400 from Serial No. 127539)
Sub-System Diagnostics (6600, 6800 up to Serial No. 139832)
Sub-System Diagnostics (6100 to 6900)
Sub-System Diagnostics (SE Tractors)
Adjustments
Component Tests
SyncroPlusSyncroPlus is a trademark of Deere & Company. Transmission
Operational Checks
System Diagnosis
System Tests
Theory of Operation - SyncroPlus SyncroPlus is a trademark of Deere & Company. Transmission
PERMA-CLUTCH 2PERMA-CLUTCH 2 is a trademark of Deere & Company.
Theory of Operation - Gear Transmission
Theory of Operation - Creeper Transmission
Theory of Operation - Range Transmission
PowrReverserPowrReverser is a trademark of Deere & Company.
Operational Checks
System Diagnosis
System Tests
Theory of Operation - PowrReverser PowrReverser is a trademark of Deere & Company.
PowrReverserPowrReverser is a trademark of Deere & Company. Module
Gear Transmission
PowrQuadPowrQuad is a trademark of Deere & Company. Transmission
Operational Checks
System Diagnosis
Adjustments
Theory of Operation - PowrQuad PowrQuad is a trademark of Deere & Company. Transmission
Drive Systems
Operational Checks
System Diagnosis
System Tests
Front Wheel Drive Clutch
Differential
Final Drives
Rear PTO Options
Front PTO
Steering and Brakes
Operational Checks
System Diagnosis
System Tests
Theory of Operation (Complete System)
Hydrostatic Steering
Brakes
Handbrake
Hydraulic Trailer Brakes
Air Brake System
Hydraulic System
Operational Checks
System Diagnosis
System Diagnosis in LSC Hydraulic System (SE Tractors)
System Tests
Hydraulic System
Charge Pump
Hydraulic Pumps
Hydraulic System Valves
Rockshaft and Lift Cylinders
Selective Control Valves and Couplers
Independent Control Valve
LSC Hydraulic System and Components (SE Tractors)
Operator's Cab
Operational Checks
Air Conditioning System Diagnosis
Ventilation and Heater - System Diagnosis
Operator's Seat - System Diagnosis
Theory of Operation - Air Conditioning System
Theory of Operation - Ventilation and Heater
Special Tools (Dealer-Fabricated)
Special Tools (Dealer-Fabricated)