This Original Factory Manual Includes Detailed Serivce Repair Information for the John Deere 3940, 3950, 3960, 3970 Forage Harvesters. It contains guidance on repair, operation and diagnostics, special instructions for repair and maintenance, instructions for installation and adjustment, assembly and disassembly instructions, step by step instructions, technical specifications, illustrations, detailed schematics and diagrams, troubleshoot and any additional information for John Deere 3940, 3950, 3960, 3970 Forage Harvesters.

Models Covered:
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John Deere 3940 Forage Harvester
John Deere 3950 Forage Harvester
John Deere 3960 Forage Harvester
John Deere 3970 Forage Harvester

CONTENTS AS FOLLOWS:
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SECTION 10GENERAL INFORMATION
Group 05Safety
Group 10Specifications
Group 15General Information
Group 20Lubricants
SECTION 20DRIVE TRAIN
Group 10Diagnosing Malfunctions
Group 15PTO HookupRecirculating Ball Slip
Group 16PTO HookupNon-Metallic Bushing Type
Group 17PTO HookupGrobe Spline Type
Group 20Powershaft
Group 25Bevel Gear Case
Group 30Feed Roll Gear Case
Group 35Feed Roll Drives
SECTION 30HYDRAULIC SYSTEM
Group 05General Information
Group 10Diagnosing Malfunctions
Group 15Electrohydraulic Valve
Group 20Tongue Position Cylinder
Group 25Hydraulic Shift Cylinders
Group 30Cutterhead Lift System
Group 35Hydraulic Downstop (3940/3960)
Group 40Spout Cap Cylinder
Group 45Spout Control Motor
Group 50Flow Divider Valve
SECTION 40ELECTRICAL SYSTEM
Group 05Component Location
Group 10System Functional Checks and Diagnosing Malfunctions
Group 15Tests and Adjustments
Group 20Harness Repair
Group 25IRON-GARD Metal Detector (3950/3970)
Group 30SPOUT-TRAK (3950/3970)
Group 35Downstop and Float Systems (3950/3970)
Group 40ROW-TRAK (3950/3970)
Group 45Electrical Diagrams
SECTION 50CUTTERHEAD ASSEMBLY
Group 05Diagnosing Malfunctions
Group 10Feed Rolls3940/3960
Group 11Feed Rolls3950/3970
Group 15Smooth Roll ScraperStationary Knife and Adjuster
Group 20Radius and Feed Roll Arms
Group 25Knife Sharpener
Group 30Cutterhead and Bearings
SECTION 60MISCELLANEOUS
Group 05Auger
Group 10Wheels
Group 15Fan and Spout
SECTION 99DEALER FABRICATED TOOLS
Group 05Dealer Fabricated Tools

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Model Specification: John Deere 3940, 3950, 3960, 3970 Forage Harvesters
Publication number: TM1203
Total Pages: 491
Language: English
File Format: PDF
Requirements: Adobe PDF Reader
Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc...

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Original Factory John Deere 3940, 3950, 3960, 3970 Forage Harvesters Manual is a Complete Informational Book. It will give you everything you need to do the job. Save time and money by DO-IT-YOURSELF!

This manual comes in PDF format. It is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation. It can be viewed and zoomed on any computer, you can easily copy, save, and print the information you need. If necessary, you can print pages, pictures, charts, or the entire manual completely. We recommend to use Adobe PDF Reader, to be sure all images / graphics will display correctly.

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