3925711
Elbow Hose Coupling
Cummins®

The 3925711 Elbow Hose Coupling by Cummins is a specialized component designed for use in commercial truck systems. This coupling facilitates the connection between hoses and other system components, ensuring the efficient transfer of fluids. Its role is integral to maintaining the functionality and reliability of various fluid systems within a truck.

Basic Concepts of Elbow Hose Couplings

An elbow hose coupling is a fitting used to join hoses at an angle, typically 90 degrees, allowing for flexible routing of fluid lines. These couplings are essential in fluid systems as they enable the connection of hoses to system components without the need for rigid piping. In a truck’s infrastructure, elbow hose couplings help manage space constraints and reduce the risk of kinking or stress on the hoses, which can lead to leaks or failures ¹.

Purpose of the 3925711 Elbow Hose Coupling

The 3925711 Elbow Hose Coupling by Cummins is designed to play a specific role in the operation of commercial trucks. It is utilized in various fluid systems, including coolant, fuel, and hydraulic lines. By providing a secure and angled connection, this coupling ensures that fluids are transferred efficiently and reliably, even under the demanding conditions encountered in heavy-duty applications ².

Key Features

The 3925711 Elbow Hose Coupling is engineered with several design elements and materials that enhance its performance and durability. It is constructed from materials that offer corrosion resistance, ensuring longevity in harsh operating environments. The coupling is also designed to be compatible with different types of hoses, providing versatility in application. Additionally, its robust construction contributes to the overall durability and reliability of the fluid system ³.

Benefits

Using the 3925711 Elbow Hose Coupling offers several advantages. It contributes to improved system reliability by ensuring secure and leak-free connections. The design of the coupling also facilitates ease of installation, reducing downtime during maintenance procedures. Furthermore, its durability and compatibility with various hose types make it a cost-effective solution for commercial truck operators ⁴.

Installation Process

Proper installation of the 3925711 Elbow Hose Coupling involves several steps to ensure a secure fit. Begin by preparing the hose ends to ensure they are clean and free of debris. Next, align the coupling with the hose and system component, ensuring that it is positioned correctly. Use the appropriate tools to tighten the coupling, taking care not to overtighten, which could damage the hose or fitting. Finally, inspect the connection for any signs of leaks or misalignment.

Troubleshooting Common Issues

Typical problems that may arise with elbow hose couplings include leaks or disconnections. These issues can often be traced to improper installation, wear and tear, or environmental factors. To diagnose and resolve these problems, first, inspect the coupling and hoses for signs of damage or wear. Ensure that the coupling is properly aligned and tightened. If leaks persist, consider replacing the coupling or hoses as necessary.

Maintenance Tips

Regular maintenance practices can help prolong the lifespan of the 3925711 Elbow Hose Coupling. Inspect the coupling and hoses at regular intervals for signs of wear, corrosion, or leaks. Clean the coupling and surrounding areas to remove any buildup that could affect performance. Additionally, ensure that all connections are tight and secure, and replace any worn or damaged components promptly.

Cummins Corporation 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 is committed to quality and innovation in the automotive industry. The company’s extensive product range includes components and systems designed to enhance the performance and reliability of commercial vehicles, demonstrating a longstanding dedication to excellence and customer satisfaction.

Compatibility of Elbow Hose Coupling Part 3925711 with Cummins Engines

The Elbow Hose Coupling part number 3925711, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part is crucial for maintaining the integrity of the engine’s cooling and exhaust systems by ensuring secure and leak-free connections between hoses and engine components.

Cummins 4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines are part of Cummins’ lineup of medium-duty diesel engines. The 3925711 Elbow Hose Coupling is compatible with these engines, providing a reliable connection for various hoses that are integral to the engine’s operation. This part ensures that the hoses remain securely attached, preventing any leaks that could compromise engine performance or lead to overheating.

Cummins 6C8.3 Engine

The 6C8.3 engine, another member of Cummins’ robust engine family, also benefits from the use of the 3925711 Elbow Hose Coupling. This part is engineered to fit the specific design and requirements of the 6C8.3 engine, ensuring that all connected hoses maintain their integrity under the engine’s operational conditions.

Cummins B5.9 GAS PLUS CM556 Engine

The B5.9 GAS PLUS CM556 engine, which is designed for natural gas operation, is another engine that can utilize the 3925711 Elbow Hose Coupling. This part is essential for maintaining the efficiency and reliability of the engine’s gas delivery system, ensuring that all connections are secure and leak-free.

Grouping of Compatible Engines

The 3925711 Elbow Hose Coupling is versatile and compatible with the following Cummins engines:

• 4B3.9
• 6B5.9
• 6C8.3
• B5.9 GAS PLUS CM556

This compatibility highlights the part’s design flexibility and its importance in ensuring the proper functioning of these engines.

Role of Part 3925711 Elbow Hose Coupling in Engine Systems

The Elbow Hose Coupling (part number 3925711) is a critical component in various engine systems, facilitating the secure and efficient transfer of fluids and gases. Its application spans across multiple systems, enhancing performance and reliability.

Fuel System Integration

In the fuel system, the Elbow Hose Coupling is utilized to connect the fuel lines to the fuel pump and fuel filter. This ensures a leak-free connection, maintaining the integrity of the fuel delivery system. It also allows for easy maintenance and replacement of components without the need for complex disassembly.

Air Compressor and Plumbing Systems

Within the air compressor system, the Elbow Hose Coupling is employed to link the compressor to the air filter and housing. This connection is vital for the efficient transfer of compressed air, ensuring that the compressor operates within optimal parameters. In plumbing applications, it aids in directing airflow and pressure, contributing to the overall efficiency of the system.

Compressor Coolant and Thermostat Systems

The Elbow Hose Coupling plays a significant role in the compressor coolant system by connecting the coolant lines to the thermostat and housing. This ensures that the compressor maintains an appropriate operating temperature, preventing overheating and extending the lifespan of the compressor.

Fuel Transfer and Lift Pump Systems

In fuel transfer applications, the coupling is used to connect the lift pump to the fuel lines, ensuring a consistent and reliable fuel supply to the engine. This is particularly important in systems where the fuel needs to be transferred over distances or through complex routing.

Accessories and Additional Applications

Beyond the primary systems, the Elbow Hose Coupling is also found in various accessories that require fluid or gas transfer. Its versatile design allows it to be used in custom applications, providing engineers and mechanics with a reliable solution for connecting different components within the engine system.

Conclusion

The 3925711 Elbow Hose Coupling is a versatile and reliable component that enhances the functionality and efficiency of various engine systems. Its role in ensuring secure and leak-free connections is indispensable for the optimal performance of engine components.