3926380
Banjo Connector Screw
Cummins®

The 3926380 Banjo Connector Screw, manufactured by Cummins, is a critical component in commercial trucks, facilitating secure and leak-free connections in fluid transfer systems. This part is essential for maintaining the integrity of various engine systems, ensuring efficient and reliable fluid transfer.

Basic Concepts and Functionality

A banjo connector screw is a fitting used to connect hoses and pipes in fluid systems. It consists of a bolt with an integrated banjo fitting, which provides a sealed connection to the attached hose or pipe. This design ensures efficient and reliable fluid transfer in automotive applications ¹.

Purpose of the 3926380 Banjo Connector Screw

The 3926380 is designed to facilitate the transfer of fluids such as oil, fuel, or hydraulic fluid within commercial truck systems. It ensures a secure connection between hoses and pipes, maintaining the integrity of the fluid transfer system. This component is vital for the operation of various truck systems, ensuring efficient and leak-free fluid transfer ².

Key Features

This Cummins part features a robust design with a high-quality material composition, typically steel or stainless steel. This material choice enhances its durability and resistance to corrosion. The design includes precise threading and a well-engineered banjo fitting, contributing to its performance and reliability in demanding applications ³.

Benefits

Using the 3926380 offers several benefits. It provides improved sealing capabilities, ensuring leak-free fluid connections. The design allows for ease of installation, reducing maintenance time and effort. Additionally, its resistance to corrosion and high pressures makes it suitable for long-term use in harsh environments ⁴.

Installation and Usage

Proper installation of the 3926380 involves several steps. First, ensure the port and banjo fitting are clean and free of debris. Thread the screw into the port by hand to avoid cross-threading. Once hand-tight, use a torque wrench to tighten the screw to the manufacturer’s specified torque setting. Finally, check for leaks by pressurizing the system and inspecting the connection points ⁵.

Troubleshooting and Maintenance

Common issues with banjo connector screws include leaks, corrosion, and damaged fittings. To troubleshoot leaks, inspect the connection for proper torque and ensure the banjo fitting is seated correctly. Corrosion can be addressed by replacing affected components with new ones made from corrosion-resistant materials. Regular maintenance, such as periodic inspection and tightening of connections, ensures the longevity and reliable performance of the 3926380 ⁶.

Safety Considerations

When working with banjo connector screws, it is important to follow safety guidelines to avoid leaks, injuries, or system failures. Always wear appropriate personal protective equipment, such as gloves and safety glasses. Ensure the system is depressurized before making any connections or disconnections. Use the correct tools and follow torque specifications to avoid over-tightening, which can lead to damage. Additionally, be aware of the fluid type and ensure proper handling and disposal practices are followed ⁷.

Cummins: Manufacturer Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to quality and innovation. Founded in 1919, Cummins has a long history of producing reliable and high-performance automotive components. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins’ reputation for durability and efficiency makes it a preferred choice among commercial truck operators and maintenance professionals ⁸.

Cummins Banjo Connector Screw 3926380 Compatibility

The 3926380 is a critical component in the fuel and hydraulic systems of various engines. This screw is designed to secure the banjo fitting, ensuring a tight and leak-proof connection. It is essential for maintaining the integrity of the system and preventing potential failures due to loose connections.

Engine Compatibility

The 3926380 is compatible with several Cummins engine models, including the 6C8.3 Series and other engines that use similar banjo fittings. These engines are known for their robust design and reliability, often used in heavy-duty applications ⁹.

Application in Engine Systems

In engine systems, the banjo connector screw plays a pivotal role in securing the banjo fitting to the engine block or other components. This ensures that fuel and hydraulic lines remain connected securely, preventing leaks and maintaining system pressure. The screw’s design allows for easy installation and removal, facilitating maintenance and repairs ¹⁰.

Importance of Proper Installation

Proper installation of the 3926380 is crucial for the performance and longevity of the engine. An improperly installed screw can lead to leaks, system failures, and potential safety hazards. Technicians should follow the manufacturer’s guidelines for torque specifications and installation procedures to ensure the screw is correctly fitted ¹¹.

Maintenance Considerations

Regular inspection and maintenance of the banjo connector screw are essential. Over time, the screw can become worn or damaged, leading to potential leaks. Technicians should check the screw for any signs of wear and replace it if necessary to maintain the integrity of the engine’s fuel and hydraulic systems ¹².

Role of Part 3926380 Banjo Connector Screw in Engine Systems

The 3926380 is integral to the efficient operation of various engine systems. In the Air Heater Starting system, it ensures a secure connection between the air heater and the intake manifold, facilitating the smooth transfer of heated air to aid in cold-start conditions.

Within the Air Intake Heater system, this component maintains the integrity of the heated air supply lines, which is essential for optimal combustion in colder environments.

In the Filter system, particularly the Fuel Filter assembly, the Banjo Connector Screw provides a reliable seal, preventing fuel leaks and ensuring that the filtration process is uncompromised.

For the Fuel system, it is employed in the fuel lines to connect various components, ensuring that fuel is delivered consistently and without interruption to the engine.

In Plumbing applications, the Banjo Connector Screw is used to join different sections of fuel lines or other fluid transfer systems, maintaining the system’s pressure and flow integrity.

Overall, the 3926380 is a key component in ensuring the secure and leak-free connection of various engine system components, contributing to the overall performance and reliability of the engine ¹³.

Conclusion

The 3926380 Banjo Connector Screw is a vital component in commercial truck fluid systems, ensuring secure and leak-free connections. Its robust design, ease of installation, and resistance to corrosion make it suitable for long-term use in demanding environments. Proper installation and regular maintenance are essential for the performance and longevity of the engine systems it supports.