John Deere H752 Harvester Head Operator Instruction F670736
$30
- Type Of Manual: Operator Instruction
- Manual ID: F670736
- Format: PDF
- Size: 8.7MB
- Number of Pages: 119
Description
-
Model List:
- H752 Harvester Head
- 1. Table of Contents
- 2. Foreword
- 2.1. Copyright
- 2.2. Foreword
- 2.3. Declaration of Incorporation
- 2.4. Product identification
- 2.5. Base machine requirements
- 2.6. 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
- 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
- 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. Harvester head components (H752 / HTH250)
- 5. Transportation and storage
- 5.1. Preparing for storage
- 5.2. Transport by road
- 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. Delimbing knives cylinders
- 7.2. Feeding
- 7.3. Saw unit
- 7.3.1. Saw feeding mechanism
- 7.3.2. Chain lubrication
- 7.3.2.1. Chain oil tank
- 7.3.3. Saw sensors
- 7.3.4. FlashCut
- 7.3.5. Chain shot guard
- 7.3.6. Stump treatment
- 7.4. Color marking unit
- 7.4.1. Nozzles in saw box
- 7.5. Length measuring device
- 7.5.1. Length measuring sensor
- 7.5.2. Measuring wheel alternatives
- 7.6. Diameter measuring device (lower knives)
- 7.7. Hydraulic hoses
- 7.8. Harvester head valve
- 7.8.1. Hydraulic functions
- 7.8.2. Valve connectors
- 8. Maintenance
- 8.1. General
- 8.1.1. Preparations
- 8.1.2. Welding instructions
- 8.1.3. Special tools
- 8.1.3.1. Saw motor puller tool
- 8.1.3.2. Assembly tool for feed cylinder piston gasket
- 8.1.3.3. Pulse sensor tool
- 8.1.3.4. Chain tensioning check valve installation tool
- 8.1.4. H752 tightening torques
- 8.1.5. Fluids and lubricants
- 8.1.6. Hydraulic pressure measurements
- 8.1.6.1. Main relief valve pressure
- 8.1.6.2. Pilot pressure
- 8.1.6.3. Saw chain tensioning pressure
- 8.1.6.4. Grabbing pressures
- 8.1.6.5. Low pressure
- 8.1.6.6. Length measuring pressure
- 8.1.6.7. Color marking pump pressure
- 8.1.6.8. Butterfly knife pressure
- 8.2. Every 10 hours or daily
- 8.2.1. Check
- 8.2.2. Grease
- 8.2.2.1. Grease rotator and link
- 8.2.3. Fill
- 8.3. Every 50 hours
- 8.3.1. Check
- 8.3.2. Grease
- 8.4. Every 1000 hours
- 8.4.1. Check
- 8.4.2. Maintain
- 8.4.3. Clean and adjust diameter sensors
- 8.4.4. Sharpen delimbing knives
- 8.4.4.1. Knife sharpening
- 8.4.4.2. Back bevel
- 8.5. As required
- 8.5.1. Color marking maintenance
- 8.5.1.1. Check and clean the nozzles
- 8.5.1.2. Check the color supply
- 8.5.1.3. Check the pump
- 8.5.2. Saw unit maintenance
- 8.5.2.1. Saw chain
- 8.5.2.1.1. Changing the Saw Chain
- 8.5.2.1.2. Sharpening the saw chain
- 8.5.2.1.3. Repairing the saw chain
- 8.5.2.2. Chain tensioning
- 8.5.2.2.1. Bleed chain tensioning system
- 8.5.2.3. Saw bar
- 8.5.2.3.1. Basic inspection
- 8.5.2.3.2. Changing the saw bar
- 8.5.2.3.3. Changing the Bar Holder
- 8.5.2.3.4. Straightening the saw bar
- 8.5.2.4. Adjusting saw sensors
- 8.5.2.5. Replacing tip sprocket
- 8.5.3. Inspect chain shot guard
- 8.5.3.1. Identification of excessive wear and damage
- 8.5.4. Length sensor replacement
- 8.5.5. Diameter potentiometer adjustment
- 8.5.6. Expander pin tensioning
- 8.6. Optional equipment maintenance
- 8.6.1. Adjusting rubber feed rollers with Tireco chain (EVERY 200 HOURS)
- 9. Attachments
- 9.1. Declaration of Incorporation template_en
- 9.2. JD_Harvesterheads_200series_EN
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