John Deere H480C Harvester Head Index:

• Contents
  • Warranty
    • Standard Warranty Clauses
    • Standard Warranty
    • Periodic Maintenance
  • Safety – General Precautions
    • General
    • Recognize Safety Information
    • Understand Signal Words
    • Follow Safety Instructions
    • Before Use
  • Safety – Operating Precautions
    • Operating Safety Precautions
    • Before a New Shift
    • Transport by Road
    • Prepare Harvester Head for Storage
  • Safety – Maintenance Precautions
    • General
    • Make Welding Repairs Safely
    • Working with Oils and Chemicals
  • Planning Your Work
    • General
    • Example of How a Map Sketch May Look
  • Thinning
    • General
    • Working Techniques for Thinning
  • Regeneration Harvesting
    • General
    • Working Techniques for Regeneration Harvesting
  • Felling
    • General
    • Stump Height
    • Felling Stage
    • When Felling on Sloping Ground
    • Felling Trees with Large Roots
  • Delimbing and Crosscutting
    • General
  • Maintenance – General
    • General
    • Maintenance Safety Precautions
    • Tightening Torques for Bolt Fastenings
  • Oils and Fluids
    • Instructions for Greasing
    • Oil and Fluid Recommendations
  • Periodic Maintenance
    • Maintenance Daily or after Every 10 Hours
    • Maintenance Weekly or after Every 50 Hours
    • Maintenance after Every 1000 Hours
  • Maintenance – Feeding System
    • Feeding Rollers
    • Feeding Roller Motors
  • SuperCut Saw Equipment
    • Saw Components
    • Special Tools
    • Description of Operation
    • Maintenance
    • Changing the Saw Chain
    • Chain Lubrication System
    • Checking the chain lubrication system
    • Chain Tensioning in Conjunction with Sawing
    • Bleeding the Chain Tensioning System
    • Adjusting the Pressure of the Chain Tensioner
    • Changing the Saw Bar
    • Changing the Bar Holder
    • Adjusting the Sensors
  • Maintenance – Saw Equipment
    • Saw Unit Safety
    • The Main Components of the Saw Unit
    • Chain Saw Maintenance
    • Cold Weather Use
    • Tightening the Saw Chain
    • Sharpening the Saw Chain
    • Saw Chain Repair
    • Saw Chain Troubleshooting
    • Saw Bar Maintenance
    • Saw Bar Troubleshooting
    • Replacing the Tip Sprocket
    • Replacing the Drive Sprocket
  • Maintenance – Length Measuring System
    • Replacing the Pulse Sensor
  • Maintenance – Diameter Measuring System
    • General
    • Checking the Set Values
    • Adjustment
    • Checking the Diameter Potentiometer
    • Demounting the Diameter Sensor
    • Mounting the Diameter Sensor
  • Maintenance – Delimbing Knives
    • Sharpening
  • Troubleshooting
    • Checklist
    • Troubleshooting
  • Hydraulic System
    • General
    • Hydraulic Components of the Harvester Head
    • Hydraulic Components of the Valve Block
    • Electric Connectors, Valve Block
    • Checking and Adjusting Pressures
    • Checking the Settings of the Main Pressure Relief Valve (9)
    • Adjusting the Main Pressure Relief Valve (9)
    • Checking/Adjusting the Pressing Pressure Pilot Valve for Delimbing Knives, Lower Delimbing Knives (31), Upper Delimbing Knives (31)
    • Checking/Adjusting the Feed Roller Pressing Pressure Pilot Valve (31)
    • Checking/Adjusting the Measuring Wheel Pressure Reduce Valve (70)
    • Checking/Adjusting the Pressure Reduce Valve (57) for Feed Forward
    • Pressure Relief Valve (45) of the Harvester Head Lift
  • Electrical System
    • General
    • Control and Measuring System
    • Replacing an Electric Lead in HHM Connectors
    • Connectors in HHM
  • Optional Equipment – Color Marking Systems
    • General
    • Before Use
    • Maintenance
    • Useful Tips
    • When not in Use
  • Optional Equipment – FlashCut
    • Function
  • Optional Equipment – Opening Upper Delimbing Knife
    • Main Components of the Opening Upper Delimbing Knife
    • Function
    • Maintenance
    • Hydraulic Coupling
  • Optional Equipment – Butterfly Knife
    • Main Components of the Butterfly Knife
    • Function
    • Maintenance
    • Adjusting the Pressure of the Butterfly Knife
  • Technical Data
    • Measures
    • Feed
    • Felling and Sawing
    • Delimbing
    • Optional Equipments