3934019
Shutoff Valve Lever
Cummins®

Introduction

The Cummins 3934019 Shutoff Valve Lever is a component designed for use in commercial trucks. It plays a role in the vehicle’s fuel system, contributing to the overall operation and safety of the truck. Understanding its function and significance can aid in maintaining the vehicle’s performance and ensuring safe operation.

Basic Concepts of Shutoff Valve Levers

A shutoff valve lever is a mechanical device used to control the flow of fuel within an engine’s fuel system. It operates by either allowing fuel to pass through to the engine or stopping the flow completely. This control is vital for engine management, enabling the operator to start, stop, or adjust the engine’s operation as needed. The shutoff valve lever ensures that the engine receives the correct amount of fuel for efficient operation and can be quickly shut down in case of an emergency ¹.

Purpose of the 3934019 Shutoff Valve Lever

The Cummins 3934019 Shutoff Valve Lever is designed to control the flow of fuel to the engine in commercial trucks. By operating this lever, the driver can start or stop the engine, making it a key component in the vehicle’s operation. Its function in controlling fuel flow is essential for the engine’s performance, allowing for precise management of fuel delivery and contributing to the truck’s overall efficiency and safety ².

Key Features

The Cummins 3934019 Shutoff Valve Lever is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and reliable performance under various operating conditions. The lever’s design ensures easy operation, while the materials used are selected for their strength and resistance to wear, enhancing the component’s longevity and performance ³.

Benefits

The use of the Cummins 3934019 Shutoff Valve Lever offers several advantages. It provides improved engine control, allowing for more precise management of fuel flow. This can lead to enhanced operational efficiency and potentially lower fuel consumption. Additionally, the lever’s design incorporates safety features that contribute to the overall safety of the vehicle’s operation. These benefits make it a valuable component for commercial truck applications.

Installation and Integration

Proper installation of the Cummins 3934019 Shutoff Valve Lever is important for ensuring optimal performance. It should be integrated into the truck’s fuel system according to the manufacturer’s guidelines. This includes ensuring that all connections are secure and that the lever operates smoothly without obstruction. Careful attention to these details during installation can help prevent issues and ensure reliable operation.

Troubleshooting and Maintenance

Regular maintenance and inspection of the Cummins 3934019 Shutoff Valve Lever are recommended to ensure its reliable operation. This includes checking for signs of wear or damage and ensuring that all connections remain secure. Troubleshooting common issues may involve inspecting the lever for proper operation and ensuring that there are no obstructions or leaks in the fuel system. Adhering to recommended inspection intervals can help identify potential issues before they lead to more significant problems.

Safety Considerations

When working with the Cummins 3934019 Shutoff Valve Lever, it is important to observe safety practices and precautions. This includes following proper handling procedures and being aware of emergency shutoff protocols. Ensuring that the lever is operated correctly and that all safety features are in place can contribute to the safe operation of the vehicle.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and more than 7,200 dealer locations. The company’s product range includes engines for on-highway, off-highway, and stationary applications, as well as filtration and aftermarket parts. Cummins is dedicated to powering a more prosperous world through its technologies and solutions.

Cummins Shutoff Valve Lever (Part 3934019) Compatibility

The Cummins Shutoff Valve Lever, part number 3934019, is a component designed to ensure the safe and efficient operation of certain Cummins engines. This part is engineered to fit seamlessly with specific engine models, providing reliable control over the engine’s shutoff mechanism.

Engine Compatibility

4B3.9 Engines

The 3934019 Shutoff Valve Lever is specifically designed to integrate with the 4B3.9 engine series. This engine is known for its robust performance and reliability, often utilized in various industrial and commercial applications. The shutoff valve lever ensures that the engine can be safely and effectively shut down when needed, maintaining operational safety and integrity.

6B5.9 Engines

Similarly, the 3934019 Shutoff Valve Lever is also compatible with the 6B5.9 engine series. This engine is another example of Cummins’ commitment to delivering high-performance and dependable power solutions. The shutoff valve lever’s design ensures precise control over the engine’s shutdown process, contributing to the overall efficiency and safety of the engine’s operation.

Grouping of Engines

Both the 4B3.9 and 6B5.9 engines benefit from the use of the 3934019 Shutoff Valve Lever. This part’s compatibility with these engines underscores its versatility and importance in maintaining the operational standards of Cummins engines. The lever’s design is tailored to meet the specific needs of these engines, ensuring a seamless fit and reliable performance.

Role of Part 3934019 Shutoff Valve Lever in Engine Systems

The Shutoff Valve Lever, identified by part number 3934019, is an integral component in the orchestration of engine systems, particularly in the context of fuel management and safety protocols. This lever is designed to interface with the shutoff valve, which is a key element in controlling the flow of fuel to the engine.

When the Shutoff Valve Lever is actuated, it engages with the shutoff valve, enabling or restricting fuel flow as required. This action is essential during engine start-up, operation, and shut-down sequences. The lever’s movement is typically linked to a control system that may include electrical components for automated operation.

Incorporating the Shutoff Valve Lever Kit into the engine system enhances the reliability and safety of fuel management. The kit often includes necessary fittings and connections that ensure a secure and efficient integration with the valve and other components.

The Electrical Mounting and Mounting Electrical components are pivotal in this setup. They provide the necessary electrical connections that allow the Shutoff Valve Lever to be controlled remotely or automatically. This is particularly important in complex engine systems where manual intervention may not be feasible or safe.

The interaction between the Shutoff Valve Lever and the Fuel Shutoff system is a testament to the sophistication of modern engine designs. The lever’s role in this system is to provide a mechanical interface that translates electrical signals into physical actions, ensuring that the engine receives the precise amount of fuel needed for optimal performance while maintaining safety standards.

Conclusion

The Cummins 3934019 Shutoff Valve Lever is a critical component in the operation and safety of commercial truck engines. Its robust design, compatibility with specific engine models, and role in fuel management make it an essential part of the engine system. Proper installation, regular maintenance, and adherence to safety practices are key to ensuring the reliable and safe operation of this component.