This comprehensive service, repair, and technical manual is designed for experienced technicians and provides in-depth information specifically for John Deere TM1776, S1642, S1742, S2046, and S2546 lawn tractors, as well as Scotts lawn tractors. It is part of a complete product support program, organized to keep all information related to a particular system together. The manual follows a logical grouping structure: Table of Contents, Specifications, Component Location, System Schematic, Theory of Operation, Troubleshooting Chart, Diagnostics, Tests & Adjustments, and Repair. You will find detailed information on a wide range of topics, including:

* **Lubricants:** This section covers the proper lubricants for your tractor.
* **Battery:** Find detailed information on battery charging, load testing, specifications, and diagnosis.
* **Engine:** Get detailed instructions on engine installation, removal, repair, service equipment and tools, and specifications.
* **Electrical System:** Includes information on charging and headlight circuits, component location, diagnostics, schematics, wire color chart, and general specifications.
* **Gear Power Train:** Detailed information on component location, diagnostics, drive belt inspection and installation, specifications, adjustments, and troubleshooting.
* **Hydrostatic Power Train:** This section contains information on the hydrostatic power train, including component location, diagnostics, drive belt specifications, repair, specifications, adjustments, and troubleshooting.
* **Ignition System:** Learn about the ignition circuit operation, test points, specifications, ignition switch removal and installation, and testing.
* **Mower Deck:** This section covers various mower deck models (38 inch, 42 inch, and 46 inch), including gage wheel adjustment, installation, leveling, removal, mower drive belt replacement, and spindle assembly repair.
* **Steering:** Learn about steering component location, repair, service equipment and tools, and steering gear removal.
* **Traction Drive System:** Get detailed information on the traction drive system, including component location, drive belt inspection and installation, specifications, adjustments, and troubleshooting.
* **Transaxle:** Get in-depth information on the transaxle, including component location, specifications, assembly, disassembly, installation, removal, and troubleshooting.

The manual features clear and concise language, along with detailed exploded diagrams and illustrations to help you understand and complete every repair task correctly. It is the same type of manual used by professional mechanics and technicians, providing comprehensive information and step-by-step instructions.