John Deere H480C Harvester Head Index:

• Table of Contents
• 1 Foreword
  • 1.1 Foreword
  • 1.2 Declaration of Incorporation
  • 1.3 Product identification
  • 1.4 Base machine requirements
  • 1.5 Standard warranty
• 2 Safety
  • 2.1 Follow Laws and Regulations
    • 2.1.1 Recognize Safety Information
    • 2.1.2 Understand Signal Words
    • 2.1.3 Prepare for Emergencies
    • 2.1.4 Wear Protective Clothing
    • 2.1.5 Handle Chemical Products Safely
    • 2.1.6 Cabin protective structures
  • 2.2 Operating
    • 2.2.1 Attach Do not Operate Tag
    • 2.2.2 Pay Attention to Bystanders
    • 2.2.3 Operate the Boom Safely
    • 2.2.4 Keep Danger Zone Clear
    • 2.2.5 Avoid saw chain shots
    • 2.2.6 Avoid Crush Points
    • 2.2.7 Avoid Power Lines
    • 2.2.8 What To Do If the Machine Catches Fire?
    • 2.2.9 After a fire
  • 2.3 Maintenance
    • 2.3.1 Keep Machine in Good Condition
    • 2.3.2 Use Proper Clothing
    • 2.3.3 Use Proper Tools
    • 2.3.4 Support Machine Properly
    • 2.3.5 Avoid High Pressure Fluids
    • 2.3.6 Avoid Heating near Pressurized Fluid Lines
    • 2.3.7 Make Welding Repairs Safely
    • 2.3.8 Dispose of Waste Properly
  • 2.4 Safety Decal Locations
• 3 Specifications
  • 3.1 Harvester head brochure
  • 3.2 Harvester head specifications
  • 3.3 General hydraulic system requirements
  • 3.4 General hose and fitting requirements
  • 3.5 Harvester head components (H480C)
• 4 Transportation and storage
  • 4.1 Preparing for storage
  • 4.2 Transport by road
• 5 Harvesting instructions
  • 5.1 Planning the work
    • 5.1.1 Example of map sketch
  • 5.2 Thinning
    • 5.2.1 Thinning with harvester alone
    • 5.2.2 Thinning with harvester and chain saw
    • 5.2.3 Thinning between logging roads
  • 5.3 Regeneration harvesting
    • 5.3.1 Felling into trees
    • 5.3.2 Felling outwards from the stand
    • 5.3.3 Felling in both directions
  • 5.4 Felling
    • 5.4.1 Felling stage
    • 5.4.2 Felling on slope
    • 5.4.3 Felling trees with large roots
  • 5.5 Delimbing and crosscutting
• 6 Systems and Components
  • 6.1 Delimbing knives
    • 6.1.1 Delimbing quality
    • 6.1.2 Delimbing knives cylinders
  • 6.2 Feeding
    • 6.2.1 Feed rollers
    • 6.2.2 Grabbing
  • 6.3 Saw unit
    • 6.3.1 Saw unit (new)
      • 6.3.1.1 Saw sensor
    • 6.3.2 Saw unit (old)
      • 6.3.2.1 Saw sensors
      • 6.3.2.2 FlashCut
    • 6.3.3 Saw feeding mechanism
    • 6.3.4 Chain shot guard
    • 6.3.5 Chain lubrication
      • 6.3.5.1 Chain oil tank
      • 6.3.5.2 Alternative capacities
  • 6.4 Length measuring device
    • 6.4.1 Length measuring sensor
    • 6.4.2 Measuring wheel alternatives
  • 6.5 Diameter measuring device (upper knives)
  • 6.6 Hydraulic hoses
  • 6.7 Harvester head valve
    • 6.7.1 Hydraulic functions
    • 6.7.2 Valve connectors
  • 6.8 Optional equipment
    • 6.8.1 Color marking unit
      • 6.8.1.1 Nozzles in saw box
      • 6.8.1.2 Nozzles in knife
    • 6.8.2 Multi-Tree Handling unit
      • 6.8.2.1 MTH components
      • 6.8.2.2 MTH operation
    • 6.8.3 Butterfly knife
    • 6.8.4 Hydraulically activated movable top knife
    • 6.8.5 Stump treatment
• 7 Maintenance
  • 7.1 General
    • 7.1.1 Preparations
    • 7.1.2 Welding instructions
    • 7.1.3 Special tools
      • 7.1.3.1 Saw motor puller tool
      • 7.1.3.2 Assembly tool for feed cylinder piston gasket
      • 7.1.3.3 Pulse sensor tool
      • 7.1.3.4 Chain tensioning check valve installation tool
    • 7.1.4 H480C tightening torques
    • 7.1.5 Fluids and lubricants
    • 7.1.6 Hydraulic pressure measurements
      • 7.1.6.1 Main relief valve pressure
      • 7.1.6.2 Pilot pressure
      • 7.1.6.3 Saw chain pressure
      • 7.1.6.4 Grabbing pressures
      • 7.1.6.5 Low pressure
      • 7.1.6.6 Length measuring pressure
      • 7.1.6.7 Color marking pump pressure
      • 7.1.6.8 Butterfly knife pressure
  • 7.2 Every 10 hours or daily
    • 7.2.1 Check
    • 7.2.2 Grease
      • 7.2.2.1 Grease rotator and link
    • 7.2.3 Fill
  • 7.3 Every 50 hours
    • 7.3.1 Check
    • 7.3.2 Grease
  • 7.4 Every 1000 hours
    • 7.4.1 Check
    • 7.4.2 Maintain
    • 7.4.3 Clean and adjust diameter sensors
    • 7.4.4 Sharpen delimbing knives
  • 7.5 As required
    • 7.5.1 Color marking maintenance
      • 7.5.1.1 Check and clean the nozzles
      • 7.5.1.2 Check the color supply
      • 7.5.1.3 Check the pump
    • 7.5.2 Saw unit maintenance
      • 7.5.2.1 Saw chain
        • 7.5.2.1.1 Changing the Saw Chain
        • 7.5.2.1.2 Sharpening the saw chain
        • 7.5.2.1.3 Repairing the saw chain
      • 7.5.2.2 Chain tensioning
        • 7.5.2.2.1 Bleed chain tensioning system
      • 7.5.2.3 Saw bar
        • 7.5.2.3.1 Basic inspection
        • 7.5.2.3.2 Changing the Saw Bar
        • 7.5.2.3.3 Changing the Bar Holder
        • 7.5.2.3.4 Straightening the saw bar
      • 7.5.2.4 Replacing tip sprocket
      • 7.5.2.5 Saw sensor
        • 7.5.2.5.1 Replacing saw sensor
        • 7.5.2.5.2 Adjusting saw sensor wheel
        • 7.5.2.5.3 Adjusting saw sensors
    • 7.5.3 Inspect chain shot guard
      • 7.5.3.1 Identification of excessive wear and damage
    • 7.5.4 Length sensor replacement
    • 7.5.5 Diameter potentiometer adjustment
  • 7.6 Optional equipment maintenance
    • 7.6.1 Lubricating the Multi-Tree Handling device (DAILY)
    • 7.6.2 Checking the Multi-Tree Handling device (EVERY 50 HOURS)
    • 7.6.3 Movable top knife maintenance
    • 7.6.4 Butterfly knife maintenance
• Index
• Attachments
  • Declaration of Incorporation template_en
  • H480C_specs_EN