-
Model List:
- 425 Disk Harrow Wheel Type Offset
- 1. Contents
- 1.0.1. Recognize Safety Information
- 1.0.2. Understand Signal Words
- 1.0.3. Follow Safety Instructions
- 1.0.4. Use Seat Belt Properly
- 1.0.5. Park Machine Safely
- 1.0.6. Keep Riders Off Machine
- 1.0.7. Prepare for Emergencies
- 1.0.8. Use Safety Lights and Devices
- 1.0.9. Wear Protective Clothing
- 1.0.10. Use a Safety Chain
- 1.0.11. Tow Loads Safely
- 1.0.12. Observe Maximum Transport Speed
- 1.0.13. Practice Safe Maintenance
- 1.0.14. Remove Paint Before Welding or Heating
- 1.0.15. Avoid HighPressure Fluids
- 1.0.16. Store Attachments Safely
- 1.1. Safety Signs
- 1.1.1. Hydraulic Cylinder
- 1.1.2. Warning Decal
- 1.2. Preparing the Tractor
- 1.2.1. Tractor size
- 1.2.2. Tire pressure
- 1.2.3. Rear wheel weighting (1) front end weighting (2)
- 1.2.4. Wheel tread
- 1.2.5. Rockshaft control lever
- 1.2.6. Drawbar
- 1.2.7. Pin drawbar
- 1.2.8. Hydraulics
- 1.2.9. Hydraulic Cylinder
- 1.3. Preparing the Machine
- 1.3.1. Lubrication
- 1.3.2. Hardware
- 1.3.3. Tire inflation
- 1.3.4. Hydraulics
- 1.3.5. Initial settings
- 1.4. Attaching and Detaching
- 1.4.1. Positioning drawbar
- 1.4.2. Straight or offset drawbar
- 1.4.3. Safety chain
- 1.4.4. Remote cylinder control lever
- 1.4.5. Use correct hose tips
- 1.4.6. Attaching disk to tractor
- 1.4.7. Attaching the hitch to drawbar
- 1.4.8. Remote cylinder operating speed
- 1.4.9. Quikcoupler
- 1.4.10. Detaching from tractor
- 1.5. Transporting
- 1.5.1. Use a Safety Chain
- 1.5.2. Use Safety Lights and Devices
- 1.5.3. Tow Loads Safely
- 1.5.4. Observe Maximum Transport Speed
- 1.5.5. Disk width
- 1.5.6. Transport safely
- 1.5.7. Tow safely
- 1.5.8. Leveling disk for transport
- 1.5.9. Setting transport block
- 1.5.10. Transport position
- 1.5.11. Remote cylinder
- 1.5.12. Tire inflation
- 1.5.13. Angling hitch for transport
- 1.5.14. Drawbar
- 1.6. Operating the Machine
- 1.6.1. Before operating the disk
- 1.6.2. Removing the Disk from Transport
- 1.6.3. Sequence of field adjustments
- 1.6.4. Leveling the disk
- 1.6.5. Adjusting the Hitch
- 1.6.6. Correcting side draft
- 1.6.7. Gang correction
- 1.6.8. Lift bar correction
- 1.6.9. Tractor hitch correction
- 1.6.10. Correcting uneven gang penetration
- 1.6.11. Adjusting disking depth
- 1.6.12. Angling gangs
- 1.6.13. Adjusting transport wheel height
- 1.6.14. Lateral gang adjustment
- 1.6.15. Adjusting scrapers
- 1.6.16. Filling furrows
- 1.7. Attachments
- 1.7.1. Furrow filler
- 1.7.2. Furrow filler disk scraper
- 1.7.3. Bearing wear guard
- 1.7.4. Disk blades
- 1.7.5. Wheels and tires
- 1.7.6. Attachments for field conversion
- 1.8. Lubrication and Maintenance
- 1.8.1. Alternative and synthetic lubricants
- 1.8.2. Lubricant storage
- 1.8.3. Transport wheels and mechanism
- 1.8.4. Lubrication Symbols
- 1.8.5. Bearing and end of Season
- 1.8.6. Lubricate Gang Bearings
- 1.8.7. Lubricate Wheel Bearings
- 1.9. Troubleshooting
- 1.9.1. Troubleshooting
- 1.10. Service
- 1.10.1. General
- 1.10.2. Disk gangs
- 1.10.3. Storage
- 1.10.4. Disassembling disk gangs
- 1.10.5. Unified Inch Bolt and Screw Torque Values
- 1.10.6. Metric Bolt and Screw Torque Values
- 1.10.7. Identifying disk blades eligible for warranty
- 1.10.8. Eligible Disks
- 1.10.9. Eligible Disks
- 1.10.10. Identifying disk blades not eligible for warranty
- 1.11. Storage
- 1.11.1. Store Attachments Safely
- 1.11.2. Storage
- 1.12. Assembly
- 1.12.1. Assembly
- 1.12.2. Main frame
- 1.12.3. Attaching axle
- 1.12.4. Attaching wheels and lift bar
- 1.12.5. Assembling gangs
- 1.12.6. Disk gangs distance
- 1.12.7. Installing Disk gangs
- 1.12.8. Attaching gang frames to main frame
- 1.12.9. Rear gang
- 1.12.10. Replacing Scrapers
- 1.12.11. Servicing disk gangs
- 1.12.12. Assembling disk spools
- 1.12.13. Assembling sleeve and bearings
- 1.12.14. Gang nut wrench
- 1.12.15. Tighten gang bolts
- 1.12.16. Attaching disk gang to standards
- 1.12.17. Standard Ubolt tightening sequence
- 1.12.18. Tightening scraper angle bolt nuts
- 1.12.19. Assemble gangs
- 1.12.20. Install standards to gang frame
- 1.12.21. Attach gang frames to main frame
- 1.12.22. Bearings wear guard
- 1.12.23. Components of bearing wear guard
- 1.12.24. Safety reflectors
- 1.12.25. SMV Installation
- 1.12.26. Warning lights
- 1.12.27. Route wiring harness
- 1.12.28. Tail lamp
- 1.13. Specifications
- 1.13.1. Specifications
- 1.13.2. Tapered gangs
- 1.13.3. Furrow filler
- 1.13.4. Recommended PTO horsepower
- 1.13.5. Product Identification Number
- 1.14. John Deere Service Literature Available
- 1.14.1. Technical Information
- 1.14.2. John Deere Parts
- 1.14.3. The Right Tools
- 1.14.4. WellTrained Technicians
- 1.14.5. Prompt Service
- 2. Page Number
- 2.1. Section 05
- 2.2. Section 10
- 2.3. Section 15
- 2.4. Section 20
- 2.5. Section 25
- 2.6. Section 30
- 2.7. Section 35
- 2.8. Section 40
- 2.9. Section 45
- 2.10. Section 50
- 2.11. Section 55
- 2.12. Section 60
- 2.13. Section 65
- 2.14. Section 70






