This comprehensive John Deere 9960 Cotton Picker Technical Manual provides detailed operational and testing information to help you diagnose and repair common malfunctions quickly and efficiently. It includes detailed specifications, diagrams, and real-life photographs for thorough understanding and easy problem-solving.

The manual encompasses a wide range of topics, including:

* **General Information:** This section covers vital safety protocols, machine operational checkout procedures, diagnostic and testing methods, and tune-up and adjustment instructions.
* **Engine Operation and Tests:** This section delves into engine system operational checks, diagnostic information, engine system operation and testing, system adjustments, and a detailed explanation of the engine's theory of operation.
* **Fuel and Air System Operation and Tests:** This section covers operational checks, diagnostic information, system tests, adjustments, and a detailed explanation of the fuel and air system's theory of operation.
* **Electrical Operation and Tests:** This section comprehensively covers electrical system information, system diagrams, and detailed diagnostics for various electrical circuits, including power, start, charging, dome light, turn signal, warning, road lamp, field lamp, windshield wiper, pressurizer fan, gauge, start aid, tachometer, operator presence and inspection bypass, and monitor circuits.
* **Power Train Operation and Tests:** This section covers powertrain system operational checks, diagnostic information, system tests, adjustments, and a detailed explanation of the powertrain's theory of operation.
* **Steering and Brakes Operation and Tests:** This section includes steering and brake system diagnostics, system tests, system adjustments, and an in-depth explanation of the steering and braking system theory of operation.
* **Hydraulic System Operation and Tests:** This section covers hydraulic system operational checks, diagnosis of hydraulic pump, main control valve, cylinders, and height sensing system, system tests, adjustments, and a detailed explanation of the hydraulic system's theory of operation, including breakdowns of pump, main control valve, cylinders, motors, height control, basket compactor, and conveyor control valve.
* **Operator Station Operation and Tests:** This section covers operator station operational checks, diagnostic information, system tests, adjustments, and an explanation of the operator station's theory of operation.
* **Picking Unit Operation and Tests (Conventional Unit):** This section includes picking unit diagnostic information, adjustments, and the theory of operation for the conventional picking unit.
* **Picking Unit Lubrication System Operation and Tests:** This section covers lubrication system operational checks, diagnostic information, system tests, adjustments, and an explanation of the lubrication system's theory of operation.
* **Moistener System Operation and Tests:** This section covers the moistener system's diagnostic information, adjustments, and the theory of operation.
* **Air System Operation and Tests:** This section covers the air system's diagnostic information, adjustments, and the theory of operation.

This manual is your comprehensive guide to understanding, maintaining, and troubleshooting your John Deere 9960 Cotton Picker.

The John Deere 9960 Cotton Picker is a legendary piece of agricultural machinery, renowned for its durability, efficiency, and innovative design. Introduced in the early 1990s, the 9960 quickly established itself as a dominant force in cotton harvesting, revolutionizing the industry with its advanced features. At its core, the 9960 is a self-propelled machine that efficiently strips cotton bolls from the plant, separates the fibers from the seeds, and delivers the harvested cotton into a trailer or transport system. Equipped with a powerful engine, robust transmission, and a large-capacity picking system, the 9960 boasts impressive performance capabilities. The picker features a wide, flexible row unit that allows it to navigate uneven terrain with ease, ensuring maximum yield and minimal damage to the crop.

The 9960's design incorporates several innovative features that contribute to its exceptional productivity. The machine utilizes a unique "Flex-Ride" suspension system that provides a smooth ride over rough fields, minimizing stress on the picking system and maximizing harvest quality. Additionally, the 9960 is equipped with an advanced electronic control system that allows for precise adjustments to picking speed, row spacing, and other critical parameters, ensuring optimal performance under various conditions. The 9960 also features a "SmartPick" system which utilizes sensors to detect and avoid obstructions, further enhancing its efficiency. The 9960's advanced design, coupled with its powerful engine and efficient picking system, makes it a formidable and highly sought-after machine in the cotton harvesting industry. Its reliability, productivity, and operator comfort have solidified its legacy as a testament to John Deere's engineering prowess and commitment to innovation.