4940651
Plain Hose Coupling
Cummins®

Introduction

The 4940651 Plain Hose Coupling is a component designed for use in commercial trucks. It plays a significant role in the operation of these vehicles by facilitating the secure connection of hoses within fluid transfer systems. This coupling ensures the efficient and reliable transfer of fluids, which is vital for the proper functioning of various truck systems.

Basic Concepts of Plain Hose Couplings

Plain hose couplings are devices used to connect hoses in fluid transfer systems. They function by providing a secure and leak-proof connection between hoses, allowing for the uninterrupted flow of fluids. These couplings are commonly used in applications where flexibility and ease of connection are required, such as in automotive and industrial fluid systems ¹.

Purpose of the 4940651 Plain Hose Coupling

The 4940651 Plain Hose Coupling is designed to connect hoses in commercial trucks, enabling the transfer of fluids such as coolant, fuel, or hydraulic fluid. By providing a secure connection, it ensures that fluids are transferred efficiently and without leakage, which is important for the operation of the truck’s systems ².

Key Features

The 4940651 Plain Hose Coupling features a robust design that includes a durable material composition, typically made from high-quality metals or polymers. Its design elements are tailored to ensure a tight seal and easy connection, while unique characteristics such as corrosion resistance and high-pressure tolerance enhance its performance in demanding environments ³.

Benefits

The 4940651 Plain Hose Coupling offers several benefits, including ease of installation, which allows for quick connections and disconnections. Its durability ensures long-term use, while its resistance to wear and tear makes it suitable for harsh operating conditions. Additionally, its reliability ensures consistent performance, contributing to the overall efficiency of the truck’s fluid transfer systems.

Installation Process

Installing the 4940651 Plain Hose Coupling involves several steps to ensure a secure fit. First, the hoses should be prepared by cleaning and inspecting them for any damage. The coupling is then aligned with the hose ends and pushed onto the hoses until a secure connection is achieved. Tools such as hose clamps may be required to ensure the coupling is firmly in place. Following the manufacturer’s guidelines for installation is recommended to ensure proper fitting.

Maintenance Tips

To ensure the optimal performance and longevity of the 4940651 Plain Hose Coupling, regular maintenance is advised. This includes inspecting the coupling for signs of wear or damage, cleaning it to remove any debris or contaminants, and replacing it if necessary. Adhering to these maintenance practices helps prevent issues such as leaks or disconnections, ensuring the coupling continues to function effectively.

Troubleshooting Common Issues

Common issues with the 4940651 Plain Hose Coupling may include leaks or disconnections. To address these problems, it is important to inspect the coupling for any visible damage or wear. Ensuring that the coupling is properly installed and secured can help prevent leaks. If issues persist, replacing the coupling may be necessary to restore proper function.

Compatibility and Applications

The 4940651 Plain Hose Coupling is designed to be compatible with a range of truck models and fluid systems. Its suitability for various applications within the commercial trucking industry makes it a versatile component for fluid transfer systems.

Safety Considerations

When working with the 4940651 Plain Hose Coupling, it is important to follow safety precautions and guidelines. This includes proper handling to avoid injury, storing the coupling in a safe location to prevent damage, and disposing of it according to environmental regulations. Adhering to these safety considerations ensures a safe working environment.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a strong reputation in the industry for producing high-quality automotive components. The company’s commitment to innovation and excellence is reflected in its wide range of products, including the 4940651 Plain Hose Coupling, which is designed to meet the demanding requirements of commercial trucking applications.

Cummins Engine Part 4940651: Plain Hose Coupling

The Cummins Plain Hose Coupling, part number 4940651, is a component in the engine’s cooling and exhaust systems. This part is designed to ensure a secure and leak-proof connection between hoses and engine components, facilitating the efficient transfer of fluids and gases.

Application in Cummins Engines

The Plain Hose Coupling is integral to the following Cummins engine models:

• L8.9 Series: This part is used in the L8.9 engine series, where it connects various hoses to the engine’s cooling and exhaust systems. Its robust design ensures that the connections remain tight and secure under the high pressures and temperatures typical of engine operation.

Importance in Engine Functionality

The Plain Hose Coupling plays a role in maintaining the integrity of the engine’s fluid and gas pathways. By providing a reliable connection, it helps prevent leaks that could lead to system failures, overheating, or other performance issues. The coupling’s design allows for easy installation and removal, making it a convenient choice for maintenance and repairs.

Compatibility and Usage

The Plain Hose Coupling is compatible with a range of hose sizes and materials, ensuring it can be used in various applications within the engine. Its versatility makes it a valuable component for both original equipment manufacturers (OEM) and aftermarket applications.

Maintenance and Replacement

Regular inspection of the Plain Hose Coupling is important to ensure it remains in good condition. Over time, exposure to heat, pressure, and chemicals can cause wear and degradation. Replacing the coupling when signs of wear are detected can prevent potential engine issues and maintain optimal performance.

Role of Part 4940651 Plain Hose Coupling in Engine Systems

The 4940651 Plain Hose Coupling is instrumental in ensuring seamless fluid transfer within various engine systems. Its application is particularly notable in the arrangement of components where fluid dynamics play a pivotal role.

Compressor Air Inlet

In the context of the compressor air inlet, the Plain Hose Coupling facilitates the connection between the air intake system and the compressor. This ensures that air is efficiently channeled into the compressor, maintaining optimal airflow and pressure levels necessary for the compressor’s operation. The coupling’s design allows for flexibility and durability, accommodating the dynamic movements and vibrations inherent in engine operations.

Overall Arrangement

Within the broader arrangement of engine components, the Plain Hose Coupling serves as a vital link between various fluid pathways. It ensures that connections remain secure and leak-free, which is essential for maintaining the integrity of the engine’s fluid systems. This part supports the consistent performance of the engine by enabling reliable fluid transfer between interconnected components, thereby contributing to the overall efficiency and reliability of the engine system.

Conclusion

The 4940651 Plain Hose Coupling by Cummins is a critical component in the fluid transfer systems of commercial trucks and Cummins engines. Its robust design, ease of installation, and reliable performance make it an essential part for maintaining the efficiency and safety of these systems. Regular maintenance and proper installation are key to ensuring the longevity and effectiveness of this Cummins part.