John Deere H425 Harvester Head Operator Instruction F722912

Description

• Model List:
  • H425 Harvester Head

• 1. Table of Contents
• 2. Foreword
• 2.1. Copyright
• 2.2. Foreword
• 2.3. Declaration of Incorporation
• 2.4. General assembly instructions
• 2.5. Product identification
• 2.6. Base machine requirements
• 2.7. Standard warranty
• 3. Safety
• 3.1. Follow Laws and Regulations
• 3.1.1. Recognize Safety Information
• 3.1.2. Understand Signal Words
• 3.1.3. Prepare for Emergencies
• 3.1.4. Wear Protective Clothing
• 3.1.5. Handle Chemical Products Safely
• 3.1.6. Cabin protective structures
• 3.2. Operating the harvester head
• 3.2.1. Attach Do not Operate Tag
• 3.2.2. Pay Attention to Bystanders
• 3.2.3. Operate the Boom Safely
• 3.2.4. Keep Danger Zone Clear
• 3.2.5. Avoid saw chain shots
• 3.2.6. Avoid Crush Points
• 3.2.7. Avoid Power Lines
• 3.2.8. What To Do If the Machine Catches Fire
• 3.2.9. After a fire
• 3.3. Maintenance
• 3.3.1. Keep Machine in Good Condition
• 3.3.2. Use Proper Clothing
• 3.3.3. Use Proper Tools
• 3.3.4. Support Machine Properly
• 3.3.5. Avoid High Pressure Fluids
• 3.3.6. Avoid Heating near Pressurized Fluid Lines
• 3.3.7. Make Welding Repairs Safely
• 3.3.8. Dispose of Waste Properly
• 3.4. Safety Decal Locations
• 4. Specifications
• 4.1. Harvester head brochure
• 4.2. Harvester head specifications
• 4.3. General hydraulic system requirements
• 4.4. General hose and fitting requirements
• 4.5. Key characteristics
• 4.6. Harvester head components (H425)
• 5. Transportation and storage
• 5.1. Preparing for storage
• 5.2. Harvester head fastening for transportation
• 6. Harvesting instructions
• 6.1. Planning the work
• 6.1.1. Example of map sketch
• 6.2. Thinning
• 6.2.1. Thinning with harvester alone
• 6.2.2. Thinning with harvester and chain saw
• 6.2.3. Thinning between logging roads
• 6.3. Regeneration harvesting
• 6.3.1. Felling into trees
• 6.3.2. Felling outwards from the stand
• 6.3.3. Felling in both directions
• 6.4. Felling
• 6.4.1. Felling stage
• 6.4.2. Felling on slope
• 6.4.3. Felling trees with large roots
• 6.5. Delimbing and crosscutting
• 7. Systems and Components
• 7.1. Delimbing knives
• 7.1.1. Delimbing quality
• 7.1.2. Advantages of sharp knives
• 7.1.3. Delimbing knives cylinders
• 7.2. Four roller feeding
• 7.2.1. Feed rollers
• 7.2.2. Multispeed system
• 7.2.3. Grabbing
• 7.3. Saw unit, SuperCut 100S
• 7.3.1. Saw feeding mechanism
• 7.3.2. Saw chains and saw bars (SuperCut 100S)
• 7.3.3. Chain oil lubrication system
• 7.3.4. Chain grease lubrication system
• 7.3.5. Chain shot guard
• 7.3.6. Saw sensor
• 7.4. Sensors
• 7.5. Length measuring
• 7.5.1. Length measuring device with steel measuring wheel arm (H423/H425)
• 7.5.2. Length measuring device with cast measuring wheel arm and BEI256 sensor (H423/H424/H425)
• 7.5.3. Measuring wheel alternatives
• 7.6. Diameter measuring device, upper knives
• 7.7. PEvo harvester head valve
• 7.7.1. Hydraulic functions
• 7.7.2. PEvo connectors
• 7.7.3. HHC (L22) connectors (H425)
• 7.8. Hydraulic hoses
• 7.9. Optional equipment
• 7.9.1. MultiTree Handling unit
• 7.9.2. Color marking unit
• 7.9.3. Stump treatment
• 7.9.4. Top saw unit
• 7.9.5. Processing delimbing knife
• 7.10. Tutorial videos for main harvester head components
• 8. General maintenance
• 8.1. General
• 8.2. Preparations
• 8.3. Welding instructions
• 8.4. H415/H425 tightening torques
• 8.5. Conical sleeve pin tightening
• 8.6. Fluids and lubricants
• 8.7. Filling capacities
• 8.8. Hydraulic pressure measurements
• 8.8.1. Main relief valve pressure
• 8.8.2. Low pressure
• 8.8.3. Pilot pressure
• 8.8.4. Saw chain tensioning pressure
• 8.8.5. Top saw bar feed pressure
• 8.8.6. Length measuring pressure
• 8.8.7. Color marking pump pressure
• 8.8.8. MAF pressure
• 8.9. Control system pressure settings of delimbing knives and feed rollers
• 8.10. Special tools
• 8.10.1. Extractor tool for Deutsch connectors
• 8.10.2. Saw motor installation tool
• 8.10.3. Assembly tool for feed cylinder piston gasket
• 8.10.4. Check valve installation tool
• 8.10.5. Hook spanners
• 8.10.6. Length measuring wheel bearing puller
• 8.10.7. Sharpening gauge
• 8.10.8. Special wrench tool
• 9. Periodic maintenance
• 9.1. Service intervals
• 9.2. Every 10 hours
• 9.2.1. Check diameter measuring device
• 9.2.2. Check chain lubrication system
• 9.2.3. Fill chain oil tank
• 9.2.4. Fill grease lubrication container
• 9.2.5. Maintain color marking unit
• 9.3. Every 25 hours
• 9.3.1. Grease front side of head
• 9.3.2. Grease right side of head
• 9.3.3. Grease left side of head
• 9.3.4. Grease saw unit
• 9.3.5. Grease hose bracket swivel
• 9.3.6. Grease multitree handling unit
• 9.3.7. Grease multitree handling tilt
• 9.3.8. Grease multispeed motor shaft seal
• 9.3.9. Grease top saw
• 9.4. Every 50 hours
• 9.4.1. Grease upper knife shaft housing
• 9.4.2. Grease diameter sensor housing
• 9.4.3. Grease the bar holder (SuperCut 100S)
• 9.4.4. Grease rotator and link
• 9.4.5. Check harvester head mounting
• 9.4.6. Tighten rotator vertical pins (HX 30)
• 9.5. Every 1000 hours
• 9.5.1. Measure hydraulic pressures
• 9.5.2. Check
• 9.5.3. Clean saw chain oil strainer
• 9.5.4. Clean color marking tank strainer
• 9.5.5. Clean rotator magnetic plug
• 9.5.6. Sharpen delimbing knives
• 9.5.7. Tighten rotator screws
• 9.5.8. Tighten rotator vertical pins (HX 30)
• 9.6. As required
• 9.6.1. Saw unit maintenance
• 9.6.2. Top saw maintenance
• 9.6.3. Inspect chain shot guard
• 9.6.4. Color marking maintenance
• 9.6.5. Grease lubrication maintenance
• 9.6.6. Replace length sensor, device with steel measuring wheel arm
• 9.6.7. Replace length sensor, device with cast measuring wheel arm and contactless BEI256 sensor
• 9.6.8. Adjust diameter sensor
• 9.6.9. Multispeed feeding
• 9.6.10. Stump treatment system maintenance
• 9.6.11. Tighten the conical sleeve pins of feed roller arms
• 10. Attachments
• 10.1. Declaration of Incorporation template_harvester_head_en
• 10.2. JD_Harvesterheads_200_400series_EN