{"product_id":"tm1203-john-deere-3940-3950-3960-and-3970-harvester-technical-manual","title":"TM1203 - JOHN DEERE 3940, 3950, 3960 AND 3970 HARVESTER TECHNICAL MANUAL","description":"\u003ch1\u003eDOWNLOAD COMPLETE TECHNICAL MANUAL FOR JOHN DEERE 3940, 3950, 3960 AND 3970 HARVESTER | PUBLICATION NUMBER - TM1203\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe TM1203 technical manual provides comprehensive service and repair documentation for John Deere 3940, 3950, 3960, and 3970 forage harvesters. This essential resource covers detailed specifications, diagnostic procedures, maintenance schedules, and component assembly instructions. Designed for technicians and operators, it delivers the technical depth required for efficient troubleshooting and equipment upkeep. Access reliable guidance to maximize harvester performance and minimize downtime across your fleet.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eCONTENT:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eGENERAL INFORMATION\u003cbr\u003eSafety\u003cbr\u003eSpecifications\u003cbr\u003eGeneral Information\u003cbr\u003eLubricants\u003cbr\u003eDRIVE TRAIN\u003cbr\u003eDiagnosing Malfunctions\u003cbr\u003ePTO Hookup—Recirculating Ball Slip\u003cbr\u003ePTO Hookup—Non-Metallic Bushing Type\u003cbr\u003ePTO Hookup—Grobe Spline Type\u003cbr\u003ePowershaft\u003cbr\u003eBevel Gear Case\u003cbr\u003eFeed Roll Gear Case\u003cbr\u003eFeed Roll Drives\u003cbr\u003eHYDRAULIC SYSTEM\u003cbr\u003eGeneral Information\u003cbr\u003e Diagnosing Malfunctions\u003cbr\u003eElectrohydraulic Valve\u003cbr\u003eTongue Position Cylinder\u003cbr\u003eHydraulic Shift Cylinders\u003cbr\u003eCutterhead Lift System\u003cbr\u003eHydraulic Downstop (3940\/3960)\u003cbr\u003eSpout Cap Cylinder\u003cbr\u003eSpout Control Motor\u003cbr\u003eFlow Divider Valve\u003cbr\u003eELECTRICAL SYSTEM\u003cbr\u003eComponent Location\u003cbr\u003eSystem Functional Checks and Diagnosing Malfunctions\u003cbr\u003eTests and Adjustments\u003cbr\u003eHarness Repair\u003cbr\u003eIRON-GARD™ Metal Detector (3950\/3970)\u003cbr\u003eSPOUT-TRAK™ (3950\/3970)\u003cbr\u003eDownstop and Float Systems (3950\/3970)\u003cbr\u003eROW-TRAK™ (3950\/3970)\u003cbr\u003eElectrical Diagrams\u003cbr\u003eCUTTERHEAD ASSEMBLY\u003cbr\u003eDiagnosing Malfunctions\u003cbr\u003eFeed Rolls—3940\/3960\u003cbr\u003eFeed Rolls—3950\/3970\u003cbr\u003eSmooth Roll Scraper—Stationary Knife and Adjuster\u003cbr\u003eRadius and Feed Roll Arms\u003cbr\u003eKnife Sharpener\u003cbr\u003eCutterhead and Bearings\u003cbr\u003eMISCELLANEOUS\u003cbr\u003eAuger\u003cbr\u003eWheels\u003cbr\u003eFan and Spout\u003cbr\u003eDEALER FABRICATED TOOLS\u003cbr\u003eDealer Fabricated Tools\u003cbr\u003eIndex\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eTOTAL PAGE - 491\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eFILE FORMAT - PDF\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eLANGUAGE - ENGLISH\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"DIGITAL MANUAL DOWNLOAD","offers":[{"title":"Default Title","offer_id":45328675897522,"sku":"","price":27.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/4448\/5810\/files\/TM1203_-_JOHN_DEERE_3940_3950_3960_AND_3970_HARVESTER_TECHNICAL_MANUAL.png?v=1767337976","url":"https:\/\/www.digital-manual.com\/products\/tm1203-john-deere-3940-3950-3960-and-3970-harvester-technical-manual","provider":"DIGITAL MANUALS","version":"1.0","type":"link"}