The John Deere 9950 Cotton Picker Service Technical Manual (TM1349) is a comprehensive guide designed for both experienced mechanics and DIY enthusiasts. This manual provides detailed instructions and high-quality diagrams, ensuring that you can complete repairs correctly and efficiently.

The manual is organized into sections covering every aspect of the John Deere 9950 Cotton Picker. You'll find detailed information on:

* **General Information:** Safety procedures, specifications, pre-delivery, delivery, and after-sales services, fuel and lubricant recommendations.
* **Engine Repair:** Removal and installation of the engine, cooling system components, and related parts.
* **Fuel and Air Repair:** Instructions on the air intake system, diesel fuel system, and control linkage.
* **Electrical Repair:** Coverage of the starter circuit, charging circuits (Motorola and Nippondenso), monitor system, lights, instruments, accessory circuits, connectors, and related components.
* **Power Train Repair:** Detailed repair procedures for the Eaton and Sundstrand hydrostatic drives, transmission, final drive, axle, and differential.
* **Steering and Brake Repair:** Instructions for removing and installing steering components, steering column, metering pump, valve, motor, brakes, and brake accumulators.
* **Hydraulic Repair:** Repair information for the reservoir, hydraulic pumps (22.6 cm3 and 40 cm3), main control valve, hydraulic cylinders, motors, height control, pressure control valve, and basket compactor/conveyor control valve.
* **Axle and Wheel Repair:** Procedures for the guide axle and drive wheel.
* **Operator Station Repair:** Instructions for the air conditioning system, air intake (pressurizer) system, heating system, seat, and other miscellaneous components.
* **Picking Units Repair:** Detailed repair information for removing and installing picking units, grid bars, pressure plates, spindles, picker bars, picker drums, drive shafts, gears, idler gears, bearings, doffers, gear cases, universal joints, countershafts, picking unit cabinets, and cam tracks.
* **Picking Unit Lubrication System Repair:** Instructions for the lubrication system and transfer pump.
* **Water System Repair:** Procedures for the water system.
* **Air System Repair:** Instructions for the air system.
* **Basket Unloading and Metering System Repair:** Repair procedures for the basket unloading system.
* **Special Tools:** Information on tools specific to picking unit repair and fabricated tools.
* **Fuel/Air Operation and Tests:** Detailed information on the air intake and diesel fuel systems.
* **Electrical Operation and Tests:** Guidance on system information, electrical system diagnosis, checks, adjustments, and diagrams.
* **Power Train Operation and Tests:** Information on the Eaton and Sundstrand hydrostatic drive systems, transmission, axle, and differential.
* **Steering/Brakes Operation and Tests:** Instructions for testing and troubleshooting the steering and brake systems.
* **Hydraulic System Operation and Tests:** Information on the hydraulic system, pump, main control valve, cylinders, motors, height control, pressure control valve, and basket compactor/conveyor control valve.
* **Operator Station Operation and Tests:** Information on the air conditioning system, air intake (pressurizer) system, and heating system.
* **Picking Unit Operation and Tests:** Instructions for testing and troubleshooting the picking unit system.
* **Picking Unit Lubrication System Operation and Tests:** Information on the lubrication system.
* **Water System Operation and Tests:** Instructions for testing the water system.
* **Air System Operation and Tests:** Information on testing and troubleshooting the air system.
* **Special Tools:** Information on purchased tools.

This comprehensive manual provides everything you need to maintain and repair your John Deere 9950 Cotton Picker.

The John Deere 9950 Cotton Picker, a powerful and efficient machine designed for large-scale cotton harvesting, was a mainstay in the American cotton industry for several years. Known for its impressive picking capacity and robust construction, the 9950 was a testament to John Deere's commitment to agricultural innovation. This model featured a powerful engine, a sophisticated picking system, and a range of advanced features designed to optimize picking efficiency and minimize losses. The 9950's picking system utilized a series of rollers and spindles to gently remove the cotton bolls from the plants, ensuring minimal fiber damage and a high-quality harvest. The machine's large capacity hopper allowed for extended operation times before requiring unloading, further enhancing productivity.

The TM1349 service technical manual accompanying the John Deere 9950 Cotton Picker served as an essential resource for mechanics and technicians responsible for maintaining and repairing this complex piece of machinery. This manual provided detailed illustrations, comprehensive descriptions, and step-by-step instructions for servicing, troubleshooting, and repairing various components of the 9950, from the engine and transmission to the picking system and hydraulics. It also included detailed specifications, wiring diagrams, and troubleshooting charts, enabling technicians to diagnose and resolve issues efficiently. The TM1349 manual was an indispensable tool for ensuring the optimal performance and longevity of the 9950 Cotton Picker, playing a crucial role in keeping these machines operating at peak efficiency within the cotton industry.