John Deere 3950 Forage Harvester Manual

This is the complete operator's manual for the John Deere 3950 forage harvester.

This owner's manual contains information on operating, adjusting, maintaining and troubleshooting for your JD forage harvester.

Covers All Years and Serial Numbers - Other websites sell manuals that are incomplete or only cover a specific year of the machine. This manual is guaranteed to be complete and to cover your machine's model year and serial number.

Safety
Safety Signs
Preparing the Tractor
Preparing the Harvester
- Harvesting Unit Checklist
- Adjusting Lift or Lowering Rate of Harvesting Unit
- Adjusting Electric Downstop
- Changing Fan Speeds
- Selecting Axle Extensions
- Selecting Wheel Spindle Position
- Checking Wheels
- Checking Tire Inflation
- Using Tongue Stop Bolt
- Adjusting Wagon Tongue Clevis
Attaching and Detaching
- Attaching Hitch to Drawbar
- Connecting Electrohydraulic Tractor Hookup
- PTO Driveline Dimensions
- Attaching PTO Driveline (3950)
- Detaching PTO Driveline (3950)
- Attaching PTO POWR-GARD Driveline
- Detaching PTO POWR-GARD Driveline
Transporting
- Recommended Warning Lights
- Using Transport Hitch
- Preparing for Transport
- Towing
- Use Safety Lights and Devices
Operating the Harvester
- Breaking in the Harvester
- Starting the Harvester
- Opening Cutterhead Door and Auger Cover
- Sharpening Cutterhead Knives
- Adjusting Stationary Knife
- Using Recutter Screen
- Adjusting Recutter Screen
- Using Feed Roll Rise Indicator
- Selecting Length-of-Cut
- Changing Sprocket for Length-of-Cut
- Adjusting Fan Belt Tension
- Adjusting Front Feed Rolls
- Adjusting Rear Feed Rolls
- Adjusting Smooth Roll Scraper
- Checking Iron-Gard Metal Detector Daily
- Operating the IRON-GARD Metal Detector
- When Metal is Detected
- Operating IRON-GARD Metal Detector Lockout
- Replacing Shear Bolts
- SPOUT-TRAK™ Aiming Operation
- Field Adjustment for SPOUT-TRAK Aiming
- Adjusting Spout Rotation for Proper Working Width
- Operating ROW-TRAK Guidance
- Conditions for Not Operating ROW-TRAK Guidance
- Operating Hydraulic Wagon Disconnect
Attachments
- Mower Bar Unit
- Pickup Unit
- Corn Head Units
- Row-Crop Units
- SPOUT-TRAK Aiming Control
- ROW-TRAK Guidance
- Hydraulic Wagon Disconnect
- Hydraulic Tongue Positioner
- Electric Downstop
- Additional Hydraulic Remote Control Function
- Open-Center Conversion
- Flow Divider Valve
- Long Tongue
- Short Tongue
- Lighting Kit
- Recutter Screens
- Recutter Screen Adapting Bundle
- Additional Electrohydraulic Control Console
- PTO Driveline Conversion
- Cantilever Cross Auger
- Safety Chain
- Tractor Axle Guard
- Discharge Spout Extensions and Wear Liners
- Axle Extensions
- Transport Wagon Hitch
- Rope Controlled Wagon Disconnect
- Lower Feed Roll Pan
- Feed Roll Drive Sprocket
- Control Cable Extension Harness
- Upper Front Feed Roll Fillers
- Hydraulic Outlet
- 540 or 1000 RPM Conversion Parts
Lubrication and Maintenance
- Observe Lubrication Symbols
- Perform Lubrication and Maintenance
- Chains
- Extreme Pressure Grease
- Gear Oil
- Lubrication and Maintenance
- As Required
  - Every 10 Hours
  - Every 50 Hours
  - Every 100 Hours
  - Annually
Troubleshooting
- Cutterhead and Fan
- Knife Sharpener
- Stationary Knife Adjustment
- Remote Controls
- PTO Hookup
- Tongue Difficulties
Service
- Replacing or Adjusting Cutterhead Knives
- Replacing Knife Sharpening Stone
- Adjusting Knife Gauge Bar
- Leveling Knife Sharpener
- Replacing Knife Retainer Bar
- Removing Stationary Knife
- Installing Stationary Knife
- Correcting Knife Adjuster End Play
- Checking Stationary Knife for Wear
- Replacing Smooth Roll Scraper
- Adjusting Lower Stop Pawl
- Adjusting Upper Stop Pawl
- Replacing Hydraulic Cylinder
- Adjusting Fan Blades
- Replacing Fan Blade and Fan Blade
- Bolts
- Adjusting Force to Shift Feed Rolls
- Adjusting Slip Clutch Alert
- Adjusting SPOUT-TRAK Aiming Magnetic Pickup
- Adjusting Neutral Stop Switch (Metal Detector Only)
- Adjusting Feed Roll Springs
- Tightening Bearing Locking Collars
- Adjusting Wheel Bearings
- Connecting Ball Slip Hookup
- Replacing Feed Roll Housing Wear Liners
- Adjusting Auger Drive Chain
- Adjusting Length-of-Cut Chain
- Adjusting Upper and Lower Feed Roll Drive Chains
- Care of Chains
- Replacing Spout Transition Bolts
- Servicing Main Drive Gear Case
- Adjusting Spout Motor
- Adjusting Spout Alignment for Uniform Wagon Loading
- Adjusting SPOUT-TRAK Potentiometers
- Adjusting Tongue Follower Potentiometer
- Functional Check:
- SPOUT-TRAK Aiming
- Hydraulic Wagon Disconnect
- Tongue Positioner
- Electric Downstop
- ROW-TRAK Guidance
Storage
Crime Prevention Tips
Assembly
Specifications

Pages: 198

Years and Serial Numbers: Covers all years and serial numbers

Models: 3950

Make: John Deere

Manual Code: OMCA18799

Manual Type: Operator's Manual/ Owner's Manual

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John Deere 3950 Forage Harvester Manual

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