2864403
Flexible Hose
Cummins®

Introduction

The Cummins 2864403 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational systems, facilitating efficient and reliable fluid transfer. This hose is integral to maintaining the functionality and performance of the truck’s systems by providing a flexible connection that accommodates movement and reduces stress on connected components.

Basic Concepts of Flexible Hoses

Flexible hoses are used in automotive and heavy-duty truck systems to transport fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to offer flexibility, which allows them to bend and twist without kinking or breaking, unlike rigid pipes. This flexibility helps in accommodating the dynamic movements and vibrations inherent in vehicle operation, thereby enhancing the durability and reliability of the fluid transfer systems ¹.

Purpose of the 2864403 Flexible Hose

The Cummins 2864403 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is commonly used in applications where rigid hoses would be impractical due to the need for flexibility and movement. The hose facilitates the transfer of fluids between components that may move relative to each other, ensuring continuous and uninterrupted fluid flow.

Key Features

The Cummins 2864403 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include a material composition designed for durability and resistance to wear, flexibility that allows it to bend and twist without compromising integrity, and design specifications that ensure compatibility with various truck systems. The hose is engineered to withstand high pressure and temperature, making it suitable for demanding applications.

Benefits

Using the Cummins 2864403 Flexible Hose offers several advantages. Its flexibility reduces the transmission of vibrations from the engine and other moving parts to the connected systems, which can help in minimizing wear and tear on those components. Additionally, the hose’s design provides enhanced resistance to environmental factors such as heat, cold, and chemical exposure, contributing to its longevity and reliability.

Installation Considerations

When installing the Cummins 2864403 Flexible Hose, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes using the correct fitting techniques to prevent leaks and ensure a tight seal, securing the hose in place to prevent movement that could lead to wear or disconnection, and verifying compatibility with the existing systems to avoid issues with fluid flow or pressure.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 2864403 Flexible Hose, regular maintenance is recommended. This includes inspecting the hose for signs of wear, such as cracks or leaks, and addressing any issues promptly to prevent further damage. Common troubleshooting steps involve checking for proper installation, ensuring fittings are secure, and verifying that the hose is not subjected to excessive pressure or temperature beyond its rated specifications.

Common Applications

The Cummins 2864403 Flexible Hose is typically used in various systems within commercial trucks, demonstrating its versatility and importance. Examples include applications in the engine cooling system, where it connects the radiator to the engine, and in fuel systems, where it provides a flexible connection between the fuel tank and the engine. Its use in these systems highlights the hose’s role in ensuring efficient and reliable fluid transfer.

Safety Considerations

When working with the Cummins 2864403 Flexible Hose, it is important to observe safety practices to prevent accidents and ensure the component’s proper function. This includes handling the hose with care to avoid damage, adhering to pressure ratings to prevent overloading, and considering environmental factors that could affect the hose’s performance, such as exposure to extreme temperatures or chemicals.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company’s product range includes engines and related technologies, filtration systems, and power generation equipment, all designed to meet the demanding requirements of various industries, including commercial trucking ².

Flexible Hose 2864403 in Cummins Engines

The Cummins Flexible Hose part number 2864403 is designed to fit seamlessly within the engine systems of various Cummins engines, including the ISM CM570 and QSM11 CM570. This part is integral to the engine’s operation, ensuring efficient fluid transfer and maintaining the integrity of the engine’s cooling and fuel systems.

ISM CM570

In the ISM CM570 engine, the flexible hose 2864403 is used to connect critical components, ensuring that fluids can flow smoothly without the risk of leaks or damage from rigid connections. Its placement is crucial for maintaining the engine’s performance and longevity.

QSM11 CM570

Similarly, in the QSM11 CM570 engine, the flexible hose 2864403 serves the same purpose. It is designed to withstand the rigors of engine operation, providing a reliable connection that can endure the high pressures and temperatures typical of these engines.

Common Functionality

Both engines benefit from the flexibility and durability of the 2864403 hose, which allows for movement and expansion as the engine operates. This flexibility helps to prevent stress on the hose and connected components, reducing the likelihood of wear and failure.

By integrating this hose into their systems, Cummins ensures that the ISM CM570 and QSM11 CM570 engines can operate efficiently and reliably, maintaining optimal performance under a variety of conditions.

Role of Part 2864403 Flexible Hose in Fuel Plumbing Systems

In fuel plumbing systems, the part 2864403 Flexible Hose is integral to the efficient and safe transfer of fuel from the tank to the engine. This component is designed to withstand the high pressures and temperatures associated with fuel systems, ensuring a reliable connection between various parts.

Fuel Tank to Fuel Pump

The flexible hose connects the fuel tank to the fuel pump, allowing for the smooth transfer of fuel. Its flexibility accommodates the movement and vibrations of the vehicle, reducing the risk of leaks and ensuring a consistent fuel supply.

Fuel Pump to Fuel Filter

Between the fuel pump and the fuel filter, the part 2864403 Flexible Hose plays a key role in maintaining the integrity of the fuel line. It helps in absorbing any shocks or vibrations that could otherwise damage the rigid fuel lines or the connections to the fuel filter.

Fuel Filter to Fuel Injectors

From the fuel filter to the fuel injectors, this hose ensures that clean, filtered fuel is delivered efficiently. Its design prevents any restrictions in the fuel flow, which is essential for the proper functioning of the fuel injectors and, consequently, the engine’s performance.

Integration with Fuel Return Lines

In systems with fuel return lines, the flexible hose is also used to connect the fuel injectors back to the fuel tank. This allows for the circulation of excess fuel, helping to maintain the desired fuel pressure and temperature within the system.

Role in Fuel Pressure Regulation

The flexible hose is part of the network that helps regulate fuel pressure. By providing a durable and flexible connection point, it assists in the consistent delivery of fuel at the correct pressure, which is vital for engine efficiency and performance.

Compatibility with Fuel System Components

Its design ensures compatibility with various fuel system components, including quick-connect fittings and clamps, facilitating easier installation and maintenance. This compatibility is essential for the overall reliability and serviceability of the fuel system.

Conclusion

In summary, the part 2864403 Flexible Hose is a versatile and essential component in fuel plumbing systems, contributing to the safe and efficient operation of the engine. Its flexibility, durability, and compatibility with various systems make it a critical component in the maintenance and performance of commercial truck engines.