John Deere 758, 758HD Harvester Head Index:

• Contents
  • Safety Features
    • 758 Harvester Head Safety Features
  • 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
    • 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
    • Daily maintenance or after every 10 hours
    • Maintenance Weekly or after Every 50 Hours
    • Maintenance after every 250 hours
  • Feeding System
    • Feeding Rollers
    • Tightening the Feeding Roller Chains
    • Feeding Roller Motors
    • The Feeding Roller Hubs at the Bevel Shaft
  • Saw Unit
    • Saw Unit Safety
    • General
    • Chain Saw Maintenance
    • Tightening the Saw Chain
    • Replacing The Drive Sprocket
    • Replacing the Saw Chain and the Saw Bar
    • Sharpening (.404 Chain Pitch)
    • Dos and Don’ts of Saw Chain Sharpening
    • Saw Bar Maintenance
    • Installation of Inductive Switches
    • Checking/Replacing the Tip Sprocket
  • Length Measuring System
    • Replacing the Pulse Sensor
  • Diameter Measuring System
    • General
    • Checking the TJ 3000 / Timbermatic™ 300 Set Values
    • Checking the Diameter Potentiometer, Timbermatic™ 10
    • Checking the Diameter Potentiometer, Lokomatic
    • Adjustment
    • Demounting the Diameter Sensor, Tj 3000 / Timbermatic™ 300
    • Demounting the Diameter Sensor, Timbermatic™ 10
    • Mounting the Diameter Sensor
  • Delimbing Knives
    • Sharpening
  • Troubleshooting
    • Checklist
    • Troubleshooting
  • Hydraulic System
    • General
    • Hydraulic Components of the Harvester Head
    • Hydraulic Diagrams
    • Checking and Adjusting Pressures
    • Adjusting the Main Pressure Relief Valve (13)
    • Checking the Adjustment of the Main Pressure Relief Valve (13)
    • Pressure Reducing Valve (41) for the Upper Pressure of the Upper Delimbing Knives
    • Pressure Reducing Valve (34) for the Lower Pressure of the Upper Delimbing Knives
    • Pressure Reducing Valve (28) for the Lower Squeeze Pressure of the Feeding Rollers
    • Pressure Reducing Valve (29) for the Increased Squeeze Pressure of the Feeding Rollers
    • Pressure Relief Valve (31) of the Harvester Head Lift
    • Pressure Relief Valve (36) of the Pressing Power on the Saw
    • Pressure Reducing Valve (41) for the Upper Pressure of the Lower Delimbing Knives
    • Pressure Reducing Valve (34) for the Lower Pressure of the Lower Delimbing Knives
    • Flow Control Check Valve (70)
    • Adjusting the Pilot Pressure
  • Electrical System
    • General
    • Control and Measuring System
    • Replacing an Electric Lead in HHM Connectors
    • Connectors in HHM
    • Connectors in HM (option)
    • Wiring Diagrams
  • Optional Equipment – Color Marking Systems
    • General
    • Before Use
    • Maintenance
    • Useful Tips
    • When not in Use
  • Optional Equipment – SuperCut Saw Equipment
    • Saw Components
    • Hydraulic Pressures and Volyme Flows
    • Tightening Torques for Bolt Fastenings
    • Maintenance
    • Special Tools
    • Description of Operation
    • Chain Tensioning in Conjunction with Sawing
    • Bleeding the Chain Tensioning System
    • Adjusting the Pressure of the Chain Tensioner
    • Changing the Saw Chain
    • Changing the Saw Bar
    • Changing the Bar Holder
    • Chain Lubrication System
    • Bleeding the Chain Lubrication System
    • Adjusting the Sensors
    • Hydraulic Diagrams
  • Technical Data
    • Measures
    • Feed
    • Felling and Sawing
    • Delimbing
    • Optional Equipments