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Model List:
- 660 Integral Disk Harrow
- 1. Introduction
- 1.1. Foreword
- 1.2. Product View
- 1.3. A Message to Our Customers
- 1.4. Preliminary Checks
- 1.5. Regions and Country Versions
- 1.6. Machine Overview
- 1.7. Recognize Safety Information
- 1.8. Understand Signal Words
- 1.9. Follow Safety Instructions
- 1.10. Prepare for Emergencies
- 1.11. Wear Protective Clothing
- 1.12. Practice Safe Maintenance
- 1.13. Remove Paint Before Welding or Heating
- 1.14. Avoid Heating Near Pressurized Fluid Lines
- 1.15. Avoid HighPressure Fluids
- 1.16. Keep Riders Off Machine
- 1.17. Use Safety Lights and Devices
- 1.18. Use Seat Belt Properly
- 1.19. Tow Loads Safely
- 1.20. Observe Maximum Transport Speed
- 2. Safety Signs
- 2.1. Read Safety Signs Carefully
- 2.2. Implement Drop
- 2.3. Reflector
- 3. Preparing the Tractor
- 3.1. Tractor Size
- 3.2. Tire Pressure
- 3.3. Rockshaft Control Lever
- 3.4. Drawbar
- 3.5. Rear Wheel Weighting and Frontend Weighting
- 3.6. Stabilizing Chains
- 3.7. Adjusting Sway Blocks
- 3.8. Adjusting Lateral Float
- 3.9. Adjusting Rockshaft SpeedofDrop
- 4. Preparing the Machine
- 4.1. Verification of the Implement
- 4.2. Hardware
- 4.3. Lubrication
- 4.4. Familiarize with All Controls of the Implement and Tractor
- 5. Operating the Machine
- 5.1. Scrapers Disks
- 5.2. Adjust the Disk Harrow
- 5.3. Filling Furrows
- 5.4. Harrow Gang Angle
- 5.5. Adjust Front Gang Angle
- 5.6. Factors That Affect the Selection of the Angle of the Disk Gangs
- 6. Attaching and Detaching
- 6.1. Attaching Disk Harrow to Tractor
- 6.2. Detaching from Tractor
- 7. Transporting Machine
- 7.1. Use Safety Lights and Devices
- 7.2. Tow Loads Safely
- 7.3. Observe Maximum Transport Speed
- 7.4. Transporting the Machine
- 8. Attachments
- 8.1. Gang Wrenches
- 8.2. Scrapers
- 9. Troubleshooting
- 9.1. Troubleshooting
- 10. Lubrication and Maintenance
- 10.1. Lubrication Symbols
- 11. Service and Adjustments
- 11.1. Unified Inch Bolt and Screw Torque Values
- 11.2. Metric Bolt and Screw Torque Values
- 11.3. Replacing Scrapers
- 11.4. Disassembling Disk Gangs
- 11.5. Gang Identification
- 11.6. Assembling Disk Spools
- 11.7. Assembling Sleeve and Bearings
- 11.8. Gang Nut Wrenches
- 11.9. Tighten Gang Bolts
- 11.10. Identifying Disk Blades Eligible for Warranty
- 11.11. Identifying Disk Blades Not Eligible for Warranty
- 12. Storage
- 12.1. Store Attachments Safely
- 12.2. Storage
- 12.3. Beginning of Season Service
- 13. Specifications
- 13.1. Recommended Rating of Tractors
- 13.2. Main Frame
- 13.3. Disks Measurement
- 13.4. Product Identification Number
- 13.4.1. Content of Individual Positions or Group of Position Character Products Serial Number
- 14. John Deere Service Keeps You On Job
- 14.1. John Deere Is At Your Service
- 14.2. John Deere Parts
- 14.3. The Right Tools
- 14.4. WellTrained Technicians
- 14.5. Prompt Service






