3919600
Shutoff Valve Lever
Cummins®

The Shutoff Valve Lever 3919600, manufactured by Cummins, is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by managing the fuel supply to the engine. Cummins, a well-established name in the automotive industry, is known for producing reliable and high-quality components, and the 3919600 Shutoff Valve Lever is no exception ¹.

Basic Concepts of Shutoff Valve Levers

A Shutoff Valve Lever is a mechanical device used in a truck’s fuel system to control the flow of fuel. It operates by either allowing fuel to pass through to the engine or stopping the flow completely, depending on its position. This control is vital for starting, stopping, and regulating the engine’s operation ².

Purpose of the 3919600 Shutoff Valve Lever

The 3919600 Shutoff Valve Lever is specifically designed to regulate the fuel supply to the engine in commercial trucks. By controlling the fuel flow, it enables the driver to start and stop the engine as needed. This lever is an integral part of the fuel system, ensuring that the engine receives the appropriate amount of fuel for efficient operation ³.

Key Features

The 3919600 Shutoff Valve Lever features a robust design that ensures durability and reliable performance. It is constructed from high-quality materials to withstand the rigors of commercial truck operation. The lever’s design allows for easy operation, providing a tactile feedback mechanism that informs the driver of the valve’s position.

Benefits

The 3919600 Shutoff Valve Lever offers several benefits, including precise fuel control, which is crucial for the efficient operation of the engine. Its design enhances safety by providing a clear indication of the valve’s status. Additionally, proper fuel management can contribute to improved fuel efficiency and overall engine performance.

Installation and Integration

When installing the 3919600 Shutoff Valve Lever, it is important to follow the manufacturer’s guidelines to ensure proper integration into the truck’s fuel system. This includes securing the lever in the correct position and ensuring all connections are tight and secure. Proper installation is key to the lever’s optimal performance and longevity.

Troubleshooting and Maintenance

Regular maintenance of the 3919600 Shutoff Valve Lever is important to ensure its reliable operation. This includes checking for any signs of wear or damage and ensuring that the lever moves freely without obstruction. Troubleshooting common issues may involve inspecting the lever for proper alignment and ensuring that all connections are intact.

Safety Considerations

When handling and maintaining the 3919600 Shutoff Valve Lever, it is important to observe safety precautions. This includes wearing appropriate personal protective equipment and ensuring that the truck’s engine is off and cool before beginning any work. Proper handling techniques help prevent accidents or injuries during maintenance procedures.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer with a long history of producing high-quality automotive components. Their commitment to excellence is evident in the design and construction of the 3919600 Shutoff Valve Lever. Cummins’ reputation in the industry is built on their dedication to innovation, quality, and customer satisfaction, making them a trusted choice for commercial truck components.

Cummins Shutoff Valve Lever (Part 3919600) Compatibility

The Cummins Shutoff Valve Lever, part number 3919600, is a component designed to manage the engine’s shutoff mechanism. This part is engineered to fit seamlessly with several Cummins engine models, ensuring reliable operation and ease of maintenance.

Engine Compatibility

• 4B3.9 Engines

  • The Shutoff Valve Lever is specifically designed to integrate with the 4B3.9 engine series. This compatibility ensures that the lever operates smoothly within the engine’s architecture, providing consistent performance and reliability.

• 6B5.9 Engines

  • Similarly, the 6B5.9 engine series is another model where the Shutoff Valve Lever part number 3919600 is perfectly suited. This compatibility is crucial for maintaining the engine’s operational integrity and ensuring that the shutoff mechanism functions as intended.

Installation and Functionality

While the specific details of the part’s installation and functionality will be covered in a larger article, it is important to note that the Shutoff Valve Lever is designed to be a straightforward and efficient component. Its design allows for easy integration into the engine’s existing systems, ensuring that it can be installed without requiring extensive modifications. This ease of installation is a key factor in its widespread compatibility across various engine models.

Role of Part 3919600 Shutoff Valve Lever in Engine Systems

The Shutoff Valve Lever, identified by part number 3919600, is an integral component in the orchestration of fuel management within engine systems. Its primary function is to facilitate the mechanical control of the fuel shutoff valve, ensuring precise regulation of fuel flow to the engine.

When the Shutoff Valve Lever is actuated, it directly influences the position of the fuel shutoff valve. This valve is strategically placed in the fuel delivery system, typically between the base fuel pump and the fuel injection pump. The base fuel pump is responsible for drawing fuel from the tank and pressurizing it, while the fuel injection pump precisely meters and delivers fuel to the engine’s combustion chambers.

The interaction between the Shutoff Valve Lever and the fuel shutoff valve is pivotal. By moving the lever, the valve can be opened or closed, thereby controlling the flow of fuel. When the valve is open, fuel is allowed to pass from the base fuel pump through to the fuel injection pump, enabling the engine to operate. Conversely, when the lever is positioned to close the valve, fuel flow is halted, effectively shutting down the engine. This mechanism is essential for safe engine operation, allowing for immediate cessation of fuel delivery in emergency situations or during maintenance procedures.

Moreover, the Shutoff Valve Lever’s role extends to enhancing engine efficiency and performance. By ensuring that fuel is only delivered when needed, it contributes to optimal fuel consumption and reduces the risk of fuel leakage or wastage. This not only improves the engine’s operational efficiency but also supports environmental sustainability by minimizing fuel emissions.

Conclusion

In summary, the Shutoff Valve Lever (part 3919600) plays a significant role in the fuel management system of engine operations. Its precise control over the fuel shutoff valve ensures safe, efficient, and reliable engine performance, highlighting the importance of this component in the broader context of engine system design and functionality.