This is the complete factory service repair technical workshop manual for the John Deere 9940 Cotton Picker. This Service Manual has easy-to-read text sections with top quality diagrams and instructions.They are specifically written for the do-it-yourselfer as well as the experienced mechanic.With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using. John Deere 9940 Cotton Picker Service Repair Technical Manual covers every single detail on your machine.provides step-by-step instructions based on the complete disassembly of the machine.This repair manual is an inexpensive way to keep you vehicle working properly. Service Technical Manual Covers: SECTION 10 - GENERAL Group 00 - General Specifications Group 05 - Predelivery, Delivery and After-Sale Services Group 10 - Tune-Up and Adjustments Group 15 - Fuels and Lubricants SECTION 20 - ENGINE REPAIR Group 05 - Remove and Install Engine Group 29 - Remove / Install Cooling System SECTION 30 - FUEL AND AIR REPAIR Group 00 - Specifications and Special Tools Group 04 - Remove / Install Air Intake System Group 09 - Remove / Install Diesel Fuel System SECTION 40 - ELECTRICAL REPAIR Group 00 - Specifications and Special Tools Group 10 - Charging Circuit Repair Group 15 - Starting Circuit Repair Group 20 - Lightis, Instruments, and Accessory Circuits Repair SECTION 50 - POWER TRAIN Group 00 - Specifications and Special Tools Group 10 - Transmission Group 15 - Axles and Differential Group 25 - Standard Hydrostatic Drive Group 26 - Eaton Hydrostatic Drive SECTION 60 - STEERING / BRAKES REPAIR Group 00 - Specifications and Special Tools Group 05 - Steering Group 10 - Brakes SECTION 70 - HYDRAULIC REPAIR Group 00 - Specifications and Special Tools Group 05 - Reservoir Group 10 - Hydraulic Pump Group 15 - Main Control Valves Group 20 - Hydraulic Cylinders Group 25 - Hydraulic Motors Group 30 - Height Control SECTION 80 - AXLES AND WHEELS REPAIR Group 00 - Specifications Group 05 - Guide Axle Group 10 - Wheels SECTION 90 - OPERATOR STATION REPAIR Group 00 - Specifications and Special Tools Group 05 - Air Conditioning System Group 10 - Heating System Group 15 - Miscellaneoous Components SECTION 120 - PICKING UNITS REPAIR Group 00 - Specifications and Special Tools Group 05 - Picking Units Removal and Installation Group 10 - Grid Bars and Pressure Plates Group 15 - Spindles and Picker Bars Group 20 - Picker Drums, Drive Shafts, and Gears Group 25 - Idler Gears and Bearings Group 30 - Doffers, Stub Shaft and Drive Group 35 - Moistener Columns Group 40 - Gear Cases, Universal Joints, and Countershafts Group 45 - Picking Unit Cabinets and Cam Tracks SECTION 130 - MOISTENER AND AIR SYSTEMS REPAIR Group 00 - Specifications Group 05 - Moistener System Group 10 - Air System SECTION 220 - ENGINE OPERATION AND TESTS Group 00 - Specifications and pecial Tools Group 05 - System Operation Group 10 - System Tests and Diagnosis SECTION 230 - FUEL / AIR OPERATIONS AND TESTS Group 00 - Specifications and Special Tools Group 05 - Air Intake System Group 10 - Diesel Fuel System SECTION 240 - ELECTRICAL OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - General Information and Diagrams Group 10 - Charging Circuit Group 15 - Starting Circuit Group 20 - Lights, Instruments, and Accessory Circuits SECTION 250 - POWER TRAIN OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 10 - Transmission Group 15 - Axles and Differenyial Group 25 - Hydrostatic Drive SECTION 260 - STEERING / BRAKES OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - Steering Group 10 - Brakes SECTION 270 - HYDRAULIC OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - System Operation and Tests Group 10 - Hydraulic Pump Group 15 - Main Hydraulic Valve Group 20 - Hydraulic Cylinders Group 25 - Hydraulic Motors Group 30 - Height Control SECTION 290 - OPERATOR STATION OPERATION AND TESTS Group 00 - Specifications and Special Tools Group 05 - Pressurizer System Group 10 - Air Conditioning System Operation Group 15 - Air Conditioning System Tests and Diagnosis Group 20 - Heating System SECTION 325 - PICKING, MOISTENER, AND AIR SYSTEMS Group 00 - Specifications and Special Tools Group 05 - Systems Operation and Diagnosis And More...... ============================================================ File Format: PDF Compatible: All Versions of Windows & Mac Language: English Requirements: Adobe PDF Reader & WinZip NO waiting, Instant Download. All pages are printable. JJohn Deere 9940 Cotton Picker Service Repair Technical Manual are saving you money on postage and packaging. It is great to have. Looking for some other Service Repair Manual,please check: Thanks for visiting!