Description
This 144 page, John Deere 3940 and 3960 Forage Harvester Operator’s Manual is a reproduction of the original manual, it provides you with everything you need to operate and maintain your John Deere 3940 and 3960 Forage Harvester. Issue JO
Table of Contents
Safety
Preparing the Tractor
Preparing the Harvester
Attaching and Detaching
Transporting
Operating the Harvester
Harvesting Units and Attachments
Lubrication
Trouble Shooting
Service
Storage
Assembly
Specifications
Index of Topics
Additional functions
Additional hydraulic remote controls
Adjustments:
2-Row Row-Crop Unit gatherer chains
3-Row Row-Crop Unit gatherer chains
Bearing locking collars
Cutterhead knives
Drive chains
Fan belt tension
Fan blades
Feeder drive chain
Feed roll clearance
Feed roll shift
Front feed rolls
Gatherer points
Hydraulic downstop
Knife drive chain
Knife gauge bar
Length of cut
Lift or lowering rate of harvesting unit
Rear feed rolls
Recutter screen
Slip clutch
Smooth roll scraper
Stationary knife
Stationary knife adjuster travel
Trash knives
Wheel bearings
Assembly
Attaching
Drawbar
PTO
Attaching and detaching
Auger cylinder speed
Automatic wagon hitch
Axle extensions
Ball slip hookup
Bearing locking collars
Beginning season service
Breaking in the harvester
Care of chains
Cantilever cross auger
Connecting telescoping hookups
Contents
Controls:
Electro hydraulic
Manual
Control cable extension cord
Conversion parts, 540 or 100 rpm
Corn head units
Cutterhead service
Cutterhead drive shear bolts
Cutterhead knives, sharpening
Cutterhead knife support
Detaching frorn PTO
Discharge spout
Discharge spout extension^
Ear savers
Electro-hydraulic remote controls
Electro-hydraulic control outlet
Electro-hydraulic control tractor hookup
Electro-hydraulic control tryout
Electro hydraulic valve
End of season storage
Fan band
Fan blades
Fan belt tension, adjusting
Fan side sheet
Fan speeds
Feeder drive chain
Feed roll clearance, adjustment
Feed roll drive sprocket
Feed Roll Rise Indicator
Feed roll shift
Feed roll shift lever
Filler plate (3940 only)
Flow Divider
Front feed rolls, adjusting
Gauge wheels
Harvesting units
Harvesting units and attachments
Harvesting unit speed up sprocket
Harvesting unit installation
Hitching to the tractor
Hydraulic doWnstop
Hydraulic lift cylinder stop
Hydraulic tongue positioner
Installing:
Additional functions
Anti-carryover shield
Attaching plate (Corn Head)
Cantilevered auger
Chain shield on corn heads
Control harness mounting for tractors:
With sound gard body
With sound gard body (4-wheel drive)
Without sound gard body
Crop deflector
Feed roll flute fillers
Feed roll shift
Gauge wheels and spindles
Harvesting unit
Hydraulic downstop
Lower feed roll pan
Open center remote control adapter
Recutter screens and supports
Throat fillers (for Pickups)
Tongue positioner
Tractor wiring
Wagon transport hitch
Warning light kit
Wheel extensions
Wheel shield
Knife gauge bar, adjusting
Knife retainer bar, removing
Knife sharpener leveling
Knife sharpener stone
Knife sharpening stone replacement
Knife support, cutterhead
Knife sharpening
Length of cut
Leveling knife sharpener
Lighting kit
Long tongue
Lower feed roll pan
Low friction – non-metallic sleeve hookup
Lubrication:
As required
10-Hour
50-Hour
100-Hour
Once,each season
Machine assembly
Main drive gear case
Manual controls
Mower bar unit
Open center remote control adapter, installing
Operating the harvester
One Row Ear Corn Unit
Preparing the tractor
Pickup units
5-1/2 Foot
7 Foot
PTO hookup conversion
Rear feed roll, adjustment
Recutter screen adapting bundles
Recutter screen, adjustment
Recutter screens
Removing knife retainer bar
Replace stationary knife
Replacing cutterhead knives
Replacing knife sharpening stone
Replacing wear liners
Row crop units
Safety
Safety chain
Service!
Sharpening cutterhead knives
Smooth roll scraper
Shear bolts
Specifications
Split window cab
Spout cap cylinder and spout motor
Spout liners
Spout transition bolts
Spout wear liners
Stalk rolls
Stationary knife
Stationary knife, adjustment
Stationary knife adjuster travel
Starting the harvester
Storage
Tall crop dividers
Telescoping hookups
Tire inflation
Tongue locating pins
Tongue lockout bolt
Tongue positioner
Torque chart
Tractor axle guard
Tractor, hitching
Trash knives ,
Transport wagon hitch
Transporting
Trouble Shooting
Auger
Excessive power requirement
Feed roll and feeding difficulties
Feed roll gear case
Knife sharpener
Poor cut
Poor delivery
PTO hookup
Recutter screen
Remote controls
Shearbolt failures
Stationary knife
Tongue difficulties
Upper feed roll drive shear bolts
Wear items
Fan blades
Sharpener stone
Smooth roll scraper
Stationary knifes
Wear liners
Wheels
Wheel bearing
Wheel extension chart
Wheel, gauge
Wheel spacing and tire inflation
Wheels and spindles
