206940
Plain Hose
Cummins®

Introduction

The Cummins 206940 Plain Hose is a component designed for use in commercial trucks, manufactured by Cummins Inc. This hose is integral to the fluid transfer systems within these vehicles, ensuring efficient operation and reliability.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used in automotive and industrial applications to convey fluids such as coolant, fuel, and air. They are constructed from various materials to withstand the specific pressures and temperatures of the systems they serve. In trucks, plain hoses connect different parts of the engine and other subsystems, allowing for the smooth transfer of fluids which is vital for the vehicle’s operation ¹.

Role of the 206940 Plain Hose in Truck Operation

This Cummins part is utilized in the fluid transfer systems of trucks, particularly in the cooling and fuel systems. It facilitates the movement of coolant or fuel between the engine and other components, helping to maintain optimal operating temperatures and ensuring that the engine receives the necessary fuel for combustion. This hose contributes to the overall performance and efficiency of the truck by ensuring that these critical fluids are delivered where needed without leakage or restriction ².

Key Features

The 206940 Plain Hose is characterized by its robust material composition, which typically includes synthetic rubber or a similar elastomer to provide flexibility and resistance to the harsh conditions within a truck’s engine compartment. Its design features include reinforced ends for secure attachment to fittings and a smooth interior to minimize flow resistance. These attributes enhance the hose’s functionality and durability, allowing it to withstand high pressures and temperatures ³.

Benefits of Using the 206940 Plain Hose

Utilizing this Cummins part offers several advantages. It provides improved system efficiency due to its design, which minimizes flow restrictions. The hose’s durable construction ensures longevity under high-stress conditions, reducing the frequency of replacements. Additionally, its compatibility with Cummins engines ensures seamless integration and optimal performance within the specified systems ⁴.

Installation Considerations

When installing the 206940 Plain Hose, it is important to follow manufacturer guidelines to ensure a proper fit and secure connection. Best practices include inspecting the hose for any signs of damage before installation, using the correct tools to avoid damaging the hose or fittings, and ensuring that all connections are tight to prevent leaks. Common pitfalls to avoid include over-tightening fittings, which can cause damage, and not properly supporting the hose to prevent kinking or abrasion.

Troubleshooting and Maintenance

To troubleshoot issues with the 206940 Plain Hose, one should check for signs of wear or damage such as cracks, leaks, or softening of the material. Regular maintenance includes inspecting the hose for these signs during routine service intervals and replacing the hose if any damage is found. Proper maintenance can help ensure the longevity of the hose and the efficient operation of the truck’s systems.

Cummins: A Brief 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 renowned for its commitment to quality and innovation in the commercial truck industry. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles. Cummins’ reputation for reliability and performance makes it a preferred choice among fleet operators and truck manufacturers.

Cummins Part 206940: Plain Hose Compatibility with K19 and NH/NT 855 Engines

The Cummins part 206940, a Plain Hose, is designed to integrate seamlessly with the K19 and NH/NT 855 engine series. This hose is a critical component in the engine’s cooling and fuel systems, ensuring efficient fluid transfer and maintaining optimal engine performance.

For the K19 engine, the Plain Hose (part 206940) is utilized in the engine’s cooling system, connecting various coolant passages and ensuring that the engine maintains its operational temperature. This hose is engineered to withstand the high pressures and temperatures typical of engine environments, providing durability and reliability.

In the NH/NT 855 engine series, the Plain Hose (part 206940) plays a pivotal role in the fuel delivery system. It connects the fuel pump to the fuel injectors, ensuring a steady and uninterrupted fuel supply. This hose is crafted to resist the corrosive effects of fuel, thereby extending its service life and maintaining the engine’s efficiency.

Both engines benefit from the precision engineering of the Plain Hose (part 206940), which ensures a secure and leak-free connection. This compatibility is crucial for maintaining the integrity of the engine’s systems and preventing potential failures due to fluid leaks or pressure drops.

Role of Part 206940 Plain Hose in Various Systems

Air Compressor Systems

In air compressor systems, the Part 206940 Plain Hose facilitates the transfer of compressed air from the compressor to various operational points. This hose ensures a reliable and consistent airflow, which is essential for powering pneumatic tools and machinery. Its role is to maintain the integrity of the air supply, preventing leaks and ensuring that the tools receive the necessary pressure to function effectively.

Compressor Systems

Within compressor systems, the Part 206940 Plain Hose is integral to the distribution network. It connects the compressor unit to the storage tanks and delivery points. This hose is responsible for transporting compressed gases or air under high pressure, ensuring that the system operates smoothly without interruptions. Its durability and flexibility are key factors in withstanding the dynamic pressures within the system.

Air Systems

In general air systems, such as those found in ventilation or HVAC units, the Part 206940 Plain Hose plays a significant role in directing airflow. It connects various components, such as filters, ducts, and vents, ensuring that air is circulated efficiently throughout the system. The hose’s ability to handle varying air pressures and temperatures makes it a versatile component in maintaining optimal air quality and circulation.

Water Supply Systems

In water supply systems, the Part 206940 Plain Hose is used to transport water from the source to the point of use. Whether in industrial applications or residential settings, this hose ensures a steady and uninterrupted water flow. It is often employed in scenarios where flexibility and ease of installation are required, such as in temporary setups or areas where rigid piping is impractical. The hose’s resistance to corrosion and ability to handle varying water pressures make it an essential component in ensuring a reliable water supply.

Conclusion

The Cummins 206940 Plain Hose is a versatile and essential component in various fluid transfer systems within commercial trucks and industrial applications. Its robust design, compatibility with Cummins engines, and the benefits it offers in terms of efficiency and durability make it a critical part for maintaining the performance and reliability of these systems.