This comprehensive service and repair manual provides in-depth information on maintaining, assembling, disassembling and servicing your JCB 426, 436, and 446 Wheeled Loading Shovels. It covers a wide range of topics, ensuring you have the necessary knowledge to perform various maintenance and repair tasks.

The manual is specifically for machines with serial numbers: 426 - 531001 onwards, 436 - 533001 onwards, and 446 - 540000 to 540011.

It features detailed specifications, diagrams, and real-life photographic illustrations, guiding you through step-by-step procedures for repair, diagnosis, servicing, technical maintenance, and troubleshooting. The manual empowers you to understand the intricacies of your machine, enabling you to identify problems and perform repairs efficiently without relying on external service providers.

The manual is organized into sections covering various aspects of the JCB 426, 436, and 446 Wheeled Loading Shovels:

- **General Information:** Provides an overview of the machine, its features, and essential information for understanding its operation.
- **Care and Safety:** Emphasizes the importance of safety procedures during maintenance and repair tasks, ensuring you operate the machine safely and responsibly.
- **Routine Maintenance:** Outlines regular maintenance schedules and procedures, ensuring your machine remains in optimal condition.
- **Attachments:** Covers various attachments compatible with the machine, offering detailed information on their operation, maintenance, and repair.
- **Body and Framework:** Explains the construction and components of the machine's body and framework, aiding in understanding their functionality and repair needs.
- **Electrics:** Provides detailed information on the electrical system, including wiring diagrams, troubleshooting guide, and repair procedures for electrical components.
- **Hydraulics:** Offers comprehensive coverage of the hydraulic system, encompassing its operation, troubleshooting, and repair procedures for hydraulic components.
- **Transmission:** Detailing the transmission system, including its operation, maintenance, and repair procedures for the transmission components.
- **Brakes:** Focuses on the brake system, providing information on its operation, troubleshooting, and repair procedures for the braking components.
- **Hydraulic Steering:** Explains the hydraulic steering system, including its operation, maintenance, and repair procedures for the steering components.
- **Engine:** Provides detailed information on the engine, including its operation, maintenance, and repair procedures for the engine components.

This manual is a valuable resource for anyone seeking to maintain, repair, or troubleshoot their JCB 426, 436, and 446 Wheeled Loading Shovels. It is designed to be user-friendly, with clear instructions, diagrams, and photographs, allowing you to perform various tasks confidently and efficiently.

The JCB 426, 436, and 446 wheeled loading shovels are powerful and versatile machines designed for a wide range of applications, from construction and demolition to materials handling and agriculture. These models are known for their rugged durability, impressive lifting capacity, and excellent maneuverability. They feature a robust chassis, a powerful engine, and a hydraulic system that provides smooth and efficient operation. The JCB 426, with its 2.5-ton operating capacity, is ideal for smaller projects or confined spaces. The 436, with its 3.5-ton capacity, offers more power and lift, making it suitable for a broader range of tasks. The top-of-the-line 446 boasts a 4.5-ton operating capacity, making it capable of handling the heaviest loads.

These wheeled loading shovels are equipped with a variety of attachments, including buckets, forks, and grapples, allowing operators to tackle a wide range of tasks. The JCB 426, 436, and 446 models are also renowned for their operator comfort and safety features. The spacious and ergonomic cab offers excellent visibility and controls that are easy to operate. The machines are fitted with safety features such as an emergency stop button, a rollover protection structure (ROPS), and a falling object protective structure (FOPS). These features ensure the operator's safety during operation.