John Deere H425 Harvester Head Operator Instruction F722912

John Deere H425 Harvester Head Operator Instruction F722912 - Image 2

John Deere Timberjack H425 Harvester Head Operator Manual F722912 1

John Deere H425 Harvester Head Operator Instruction F722912

Type Of Manual: Operator Instruction
Manual ID: F722912
Format: PDF
Size: 17.1MB
Number of Pages: 226

Category: John Deere Operators Manuals PDF Tag: Agricultural

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

John Deere H425 Harvester Head Operator Instruction F722912

Description

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