This comprehensive John Deere 9400, 9500, 9600 Combines Diagnosis and Tests Technical Manual (TM1402) is your ultimate resource for servicing and troubleshooting these powerful machines. It covers a wide range of topics, from general machine information and safety procedures to detailed diagnostic and testing procedures for various systems.

The manual begins with a section on general specifications, identification, and safety guidelines. It then delves into diagnostic and testing procedures for the electrical system, engine operation, fuel and air systems, and powertrain.

A dedicated section on electrical system operation and tests provides detailed instructions on using diagnostic information, identifying components, and performing seven-step electrical test procedures. It includes wiring diagrams and schematic information for a comprehensive understanding of the electrical system.

The manual also covers hydraulic operation and tests, including detailed diagnostics for the hydraulic system, hydrostatic drive, service brakes, and heating/air conditioning systems. You will find detailed information on hydraulic system specifications, adjustments, and troubleshooting procedures.

Additionally, the manual includes sections on four-wheel drive operation, main engine gearcase systems, and the Dial-A-Matic system. It provides thorough explanations of their operation and detailed diagnostics for effective troubleshooting.

This manual is an invaluable asset for both experienced mechanics and DIY enthusiasts. Its comprehensive coverage, easy-to-read text, and high-quality diagrams make it a must-have for anyone working on John Deere 9400, 9500, and 9600 combines.

The John Deere 9400, 9500, and 9600 combines are powerful and versatile agricultural machines designed for large-scale harvesting operations. These combines were produced by John Deere from the mid-1990s to the early 2000s and were known for their robust construction, advanced technology, and high productivity. The 9400, 9500, and 9600 models featured different engine options, ranging from 275 to 375 horsepower, providing ample power for handling various crops and challenging terrain. They incorporated features like automatic header height control, variable speed ground drive, and a spacious operator cab with numerous ergonomic improvements, enhancing operator comfort and efficiency.

The TM1402 technical manual, specifically designed for these combines, is a comprehensive resource for diagnosing and troubleshooting various issues. This manual provides detailed information on engine systems, hydraulics, electrical systems, harvesting components, and other critical parts of the combine. It includes troubleshooting guides, wiring diagrams, component specifications, and step-by-step repair procedures, empowering mechanics and technicians to diagnose and repair machine malfunctions effectively. The TM1402 manual plays a crucial role in ensuring the smooth operation and longevity of John Deere 9400, 9500, and 9600 combines, contributing to their reputation for reliability and productivity in agriculture.