3090240
Plain Hose Coupling
Cummins®

Introduction

The 3090240 Plain Hose Coupling, a component manufactured by Cummins, is designed for use in commercial trucks. It plays a significant role in the fluid transfer systems of these vehicles.

Basic Concepts of Plain Hose Couplings

Plain hose couplings are used to connect hoses or a hose to a fitting in fluid systems. They facilitate the transfer of fluids such as coolant, fuel, or hydraulic fluid without the need for clamps or additional fasteners. These couplings operate by compressing the hose between two flanges, creating a secure and leak-resistant seal ¹.

Purpose of the 3090240 Plain Hose Coupling

The 3090240 Plain Hose Coupling connects hoses in a truck’s fluid system, enabling the transfer of fluids between components. It ensures a reliable connection that can withstand the pressures and temperatures encountered in commercial truck operations.

Key Features

This Cummins part is constructed from durable materials, ensuring it can endure the rigors of commercial truck use. Its design includes a robust flange system that provides a secure grip on the hose, and it may incorporate elements that enhance sealing performance and ease of use.

Benefits

This coupling offers several advantages, including high reliability in fluid transfer, straightforward installation that does not require specialized tools, and durability that ensures long-term performance. It is also designed to be resistant to common issues such as leaks and disconnections, providing a stable and efficient fluid transfer solution.

Installation Process

To install the 3090240 Plain Hose Coupling, ensure the hoses are clean and free of debris. Slide the coupling onto one hose, then connect the second hose, and use the provided tool to compress the coupling, securing the connection. It is important to follow the manufacturer’s guidelines to ensure a proper seal is achieved.

Maintenance Tips

Regular maintenance of the 3090240 Plain Hose Coupling involves inspecting the connection for signs of wear or damage, ensuring the coupling remains securely fastened, and cleaning the area around the coupling to prevent contamination. These practices help maintain the integrity of the fluid system and extend the life of the coupling.

Troubleshooting Common Issues

Common issues with the 3090240 Plain Hose Coupling may include leaks or difficulty in disconnection. To address leaks, check the coupling for proper installation and ensure there is no damage to the hose or coupling. If disconnection is difficult, ensure the release mechanism is functioning correctly and use the appropriate tool to aid in separation.

Compatibility and Applications

The 3090240 Plain Hose Coupling is typically used in commercial trucks for various fluid transfer applications. It is designed to be compatible with a range of hose sizes and types, making it versatile for different truck systems.

Safety Considerations

When working with the 3090240 Plain Hose Coupling, it is important to observe safety guidelines. This includes ensuring the system is depressurized before making any connections or disconnections, using the appropriate personal protective equipment, and being aware of the potential hazards associated with fluid systems, such as spills or leaks.

About Cummins

Cummins is a reputable manufacturer with a history of producing high-quality automotive components. They are known for their commitment to innovation and excellence in the industry, providing reliable parts that meet the demanding requirements of commercial vehicle applications.

Compatibility with Cummins Engines

The Plain Hose Coupling part 3090240 is designed to be compatible with a range of Cummins engines, including the K19, QSK19 CM2350, K114, QSK19 CM500, and QSK19 CM850 MCRS engines. This part ensures a secure and leak-proof connection between hoses and the engine’s fluid systems.

Role of Part 3090240 Plain Hose Coupling in Engine Systems

The 3090240 Plain Hose Coupling is integral to the efficient operation of various engine systems by ensuring secure and reliable connections between components.

• Flexible Hose: The coupling allows for the transfer of fluids or gases while accommodating the movement and vibrations inherent in engine operation, maintaining a leak-free seal ¹.
• Lever Mechanism: It facilitates the precise control of fluid flow, which is important in systems where the lever is used to modulate pressure or direct the flow to different parts of the engine.
• Rocker Assembly: The coupling plays a role in converting linear motion into rotational motion, often seen in valve train systems where the rocker arm amplifies the motion of the camshaft to open and close valves.
• Resistor: In certain engine systems, the coupling provides a stable connection point, ensuring that the resistor can effectively control the flow of current, which is vital for the operation of sensors and other electronic components within the engine.
• Corrosion Resistance: The material and design of the coupling are selected to resist degradation, maintaining the integrity of the connection over time, especially in systems exposed to harsh chemicals or extreme temperatures ².

Conclusion

The 3090240 Plain Hose Coupling by Cummins is a critical component for the reliable and efficient operation of fluid systems in commercial trucks. Its durable construction, ease of installation, and compatibility with various engine systems make it an essential part for maintaining the performance and safety of these vehicles.