3931793
Plain Hose Coupling
Cummins®

The 3931793 Plain Hose Coupling is a component manufactured by Cummins, a well-established name in the commercial truck industry. This coupling is significant in commercial truck operations, particularly in fluid transfer systems, ensuring efficient and reliable connections between hoses.

Basic Concepts of Plain Hose Couplings

Plain hose couplings are devices used to connect hoses in fluid transfer systems. They facilitate the secure and leak-free transfer of fluids by providing a robust connection point. These couplings are integral in various applications, ensuring that fluids such as coolant, fuel, or hydraulic fluid are transferred efficiently and without interruption ¹.

Purpose of the 3931793 Plain Hose Coupling

The 3931793 Plain Hose Coupling plays a role in the operation of a truck by connecting hoses and facilitating fluid transfer. It ensures that the connection between hoses is secure, allowing for the uninterrupted flow of fluids essential for the truck’s operation. This coupling is designed to withstand the pressures and conditions typical in commercial truck environments ².

Key Features

The 3931793 Plain Hose Coupling features a design that enhances its performance and durability. It is constructed from materials that resist corrosion and wear, ensuring longevity even under demanding conditions. The coupling’s design allows for easy installation and removal, making it a practical choice for commercial truck applications.

Benefits

The 3931793 Plain Hose Coupling offers several benefits, including improved reliability in fluid transfer systems. Its design ensures a secure connection, reducing the risk of leaks. Additionally, the coupling is easy to install, requiring minimal tools and time. Maintenance advantages include straightforward inspection and cleaning procedures, contributing to the overall efficiency of truck operations.

Installation Process

Installing the 3931793 Plain Hose Coupling involves several steps to ensure a secure and leak-free connection. First, prepare the hoses by cleaning the ends to remove any debris. Next, slide the coupling onto one hose end, ensuring it is fully seated. Then, connect the second hose, making sure the coupling is properly aligned. Finally, check the connection for any signs of leaks or misalignment.

Maintenance Tips

To ensure the longevity and optimal performance of the 3931793 Plain Hose Coupling, regular maintenance is recommended. This includes inspecting the coupling for signs of wear or damage at regular intervals. Cleaning the coupling and connected hoses can prevent buildup that may affect performance. Additionally, ensuring that the coupling is properly tightened during installation can help maintain a secure connection.

Troubleshooting Common Issues

Common issues with the 3931793 Plain Hose Coupling may include leaks or disconnections. If a leak is detected, first ensure that the coupling is properly tightened. If the problem persists, inspect the coupling and hoses for damage or wear that may require replacement. Disconnections can often be resolved by realigning the coupling and ensuring a secure fit.

Compatibility and Applications

The 3931793 Plain Hose Coupling is designed for use in commercial trucks, specifically within fluid transfer systems. It is compatible with a range of hose sizes and types, making it versatile for various applications. This coupling is particularly useful in systems requiring reliable and durable hose connections.

Safety Considerations

When installing, maintaining, or troubleshooting the 3931793 Plain Hose Coupling, it is important to observe safety guidelines. Ensure that the truck is turned off and the system is depressurized before beginning any work. Use appropriate personal protective equipment, such as gloves and safety glasses, to prevent injuries. Follow manufacturer recommendations for installation and maintenance to ensure safe operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial applications ³.

Compatibility of Cummins Part 3931793 with Various Engine Models

The Cummins part 3931793, a Plain Hose Coupling, is designed to fit seamlessly with a range of Cummins engine models. This part is integral to ensuring the proper functioning of the engine’s cooling and fuel systems by providing a secure connection between hoses and engine components.

Cummins 4B3.9 and QSB3.9 30 CM550

The Plain Hose Coupling is compatible with the 4B3.9 and QSB3.9 30 CM550 engines. These engines are known for their reliability and efficiency, often used in various industrial and agricultural applications. The part ensures that the hoses remain securely attached, preventing leaks and maintaining system integrity.

Cummins 6B5.9 and QSB5.9 30 CM550

The 6B5.9 and QSB5.9 30 CM550 engines also benefit from the use of the Cummins part 3931793. These engines are typically used in heavy-duty applications, requiring robust and reliable components. The hose coupling ensures that the hoses can withstand the pressures and stresses of these demanding environments.

Cummins B4.5 and QSB4.5 CM850 (CM2850)

The B4.5 and QSB4.5 CM850 (CM2850) engines are designed for medium-duty applications. The Plain Hose Coupling is essential for these engines, providing a secure connection that is crucial for the efficient operation of the engine’s systems. This part helps maintain the integrity of the hose connections, ensuring that the engine operates smoothly.

Cummins B5.9 CM2670 B166C and QSB5.9 CM2880 B139

The B5.9 CM2670 B166C and QSB5.9 CM2880 B139 engines are part of Cummins’ lineup of high-performance engines. The Plain Hose Coupling is designed to fit these engines, providing a reliable connection that can handle the rigors of heavy-duty use. This part is crucial for maintaining the efficiency and reliability of these engines.

Cummins QSB6.7 CM850 (CM2850)

The QSB6.7 CM850 (CM2850) engine is another high-performance model that benefits from the use of the Cummins part 3931793. This engine is known for its power and durability, and the hose coupling ensures that the hoses remain securely attached, preventing leaks and maintaining system integrity.

By ensuring a secure and reliable connection between hoses and engine components, the Cummins part 3931793 Plain Hose Coupling plays a critical role in the performance and longevity of these engines.

Role of Part 3931793 Plain Hose Coupling in Engine Systems

In engine systems, the 3931793 Plain Hose Coupling is instrumental in ensuring the seamless transfer of fluids between various components. It is commonly integrated into the housing to facilitate the connection between the thermostat and the reducing pipe bushing. This coupling allows for the efficient circulation of engine coolant, which is vital for maintaining optimal engine temperature.

The hose coupling also plays a part in the venting system of the engine. By connecting to the vent, it aids in the release of excess pressure and gases from the coolant system, thereby preventing any potential damage to the engine components.

Overall, the 3931793 Plain Hose Coupling is a key component in the fluid dynamics of engine systems, ensuring that all parts work in harmony to deliver peak performance.

Conclusion

The 3931793 Plain Hose Coupling by Cummins is a vital component in the fluid transfer systems of commercial trucks. Its design ensures secure and reliable connections between hoses, contributing to the efficient operation of the truck. Regular maintenance and proper installation are essential to maximize the benefits of this coupling, ensuring the longevity and performance of the truck’s fluid transfer systems.