John Deere 6650, 6750, 6850, 6950 Harvester Repair Technical Manual

Table of Content (Technical Manual – TM4549)

SECTION 05—Safety
Group 05—Safety Information

SECTION 10—General Information
Group 05—Fuel, Lubricants and Coolant
Group 10—Torques for Hardware
Group 15—Serial Numbers
Group 20—Dimensions

SECTION 20—Engine
Group 05—Removing and Installing Engine

SECTION 30—Fuel, Air Intake and Cooling Systems
Group 05—Fuel Tank
Group 10—Air Intake System
Group 15—Engine Cooling System

SECTION 40—Electrical System
Group 05—Connectors
Group 10—Electrical System Components

SECTION 50—Power Train
Group 05—Replacing Main Drive Belt
Group 10—Angled Drive
Group 15—Transmission and Differential
Group 20—Final Drives
Group 25—Hydrostatic Drive, Variable Pump
Group 30—Hydrostatic Drive, Fixed-Displacement Motor
Group 35—Hydrostatic Drive, Oil Change
Group 40—Cam Lobe Motor

SECTION 60—Brakes, Steering, Rear Axle
Group 05—Brake Operating Assembly
Group 10—Brakes
Group 15—Hydrostatic Steering
Group 16—ROW-TRAK System
Group 20—Rear Axle

SECTION 70—Hydraulic System
Group 05—Accumulators
Group 10—Triple Hydraulic Pump
Group 15—Electromagnetic Control valve
Group 20—Reverser Motor
Group 25—Hydraulic Motor — Discharge Spout

SECTION 80—Miscellaneous
Group 05—Fuel Tank Hood

SECTION 90—Operator’s Cab, Air Conditioning System
Group 05—Control Levers
Group 10—Cab Ventilation
Group 15—Replacing Cab Windows
Group 20—R134a Air Conditioning System
Group 25—Super Comfort Seat

SECTION 100—Harvesting Units
Group 05—Harvesting Unit Cross Drive
Group 10—Harvesting Units

SECTION 110—Feeding System
Group 05—Length-of-Cut Transmission
Group 10—Reverser Clutch
Group 15—Electric Clutch
Group 20—Feed Roll Channel
Group 25—Feed Roll Assembly
Group 30—Locking Pawl

SECTION 120—Cutterhead Assembly
Group 05—Knife Sharpening Device
Group 10—Cutterhead
Group 15—Bottom and Outlet Bands
Group 20—Removing and Installing Stationary Knife
Group 25—Kernel Processor
Group 30—Power Chute

SECTION 130—Discharge Components
Group 05—Discharge Fan
Group 10—Blower Rotor and Rotor Bearings
Group 15—Discharge Spout

SECTION 210—General Information
Group 05—Specifications
Group 10—Drive Diagrams
Group 15—Ballast Charts
Group 20—Tread Widths

SECTION 220—Engine
Group 05—Engine Specifications
Group 10—Engine Tests

SECTION 230—Fuel, Air Intake and Cooling Systems
Group 05—Fuel, Air Intake and Cooling Systems

SECTION 240—Electrical System
Group 05—General Information
Group 06—Test Equipment
Group 10—Electrical System Diagrams
Group 15A—Batteries, Starting Motor, Alternator
Group 15B—Safety Switches, Basic Relays
Group 15C—Engine Shut-Off Device
Group 15D—Instruments
Group 15E—Electronic Infotrak Monitor
Group 15H—Turning Discharge Spout
Group 151—Raising/Lowering Discharge Spout
Group 15L—Reel Fore-and-Aft Adjustment
Group 15M—Raising Reel
Group 15N—Reel Speed Adjustment
Group 150—676 Rotary Harvesting Unit (North America)
Group 15P—Attaching Trailer
Group 15Q—Raising/Lowering Harvesting Unit
Group 15R—Pressure Valves, Trailer Dump
Group 15S—Main Clutch, Reverser
Group 15T—Four-Wheel Drive
Group 15U—Lighting System
Group 15V—Work Lights
Group 15W —Stop Lights, Horn
Group 15X—Beacon Lights
Group 15Y—Fan, Air Conditioning System
Group 15Z—Windshield Wiper/Washer System
Group 15AA—Radio, Interior Lighting
Group 15AB—Rotary Radiator Screen, Reverse Travel Alarm
Group 15AC—Cigarette Lighter, Seat Compressor
Group 15AD—Spout Rinsing System
Group 15AE—Discharge Spout Flap Adjustment
Group 15AF—Main Electronic System
Group 15AG—Metal Detector
Group 15AH—Electronic Control Unit
Group 15AJ—ROW-TRAK System
Group 15AK—Powr-Savr
Group 15AL—676 Rotary Harvesting Unit (North America)

SECTION 250—Power Train
Group 05—Angled Drive
Group 10—Hydrostatic Drive
Group 15—Three-Speed Transmission
Group 20—Testing Hydrostatic System

SECTION 260—Brakes, Steering, Rear Axle
Group 05—Brake Operating System
Group 10—Drum Brakes
Group 15—ROW-TRAK System
Group 20—ROW-TRAK Steering Function
Group 25—ROW-TRAK Calibration

SECTION 270—Hydraulic System
Group 05—General Information
Group 10—Electromagnetic Control Valve
Group 15—Testing Hydraulic System
Group 20—Header Float System

SECTION 290—Operator’s Cab
Group 05—Operator’s Cab
Group 10—System Diagnosis — Air Conditioning System
Group 15—Operation — Air Conditioning System
Group 20—Operator’s Seat – System Diagnosis

Index