4086534
Flexible Hose
Cummins®

The Cummins 4086534 Flexible Hose is a specialized component designed for use in commercial trucks. Its primary function is to facilitate the transfer of fluids within the truck’s systems, ensuring efficient operation and reliability. This hose is integral to maintaining the performance and durability of the truck’s fluid systems.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in automotive and industrial applications to convey fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to provide a flexible connection between rigid components, accommodating movement and vibration while maintaining a secure seal. Flexible hoses are essential for systems where rigid pipes cannot be used due to the dynamic nature of the application ¹.

Purpose of the Cummins 4086534 Flexible Hose

The Cummins 4086534 Flexible Hose plays a specific role in the operation of commercial trucks by connecting various systems and transporting essential fluids. It is typically used in the fuel system, where it links the fuel tank to the engine or other components. This hose ensures a consistent and reliable flow of fuel, which is vital for the truck’s performance. Additionally, it helps in reducing stress on the connections due to engine movement and vibration ².

Key Features

The Cummins 4086534 Flexible Hose is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, including synthetic rubber and reinforced fabric layers, which provide resistance to wear, abrasion, and chemical degradation. The hose is designed with precision to ensure a perfect fit within the truck’s fuel system. It also features smooth inner and outer surfaces to minimize flow resistance and maximize flexibility ³.

Benefits of Using the Cummins 4086534 Flexible Hose

Using the Cummins 4086534 Flexible Hose offers several advantages. Its high flexibility allows it to accommodate the movement and vibration inherent in commercial truck operations without compromising the integrity of the fluid transfer. The hose’s resistance to wear and tear ensures a longer service life, reducing the need for frequent replacements. Additionally, its compatibility with various truck systems makes it a versatile component for different applications.

Installation Considerations

Proper installation of the Cummins 4086534 Flexible Hose is crucial for ensuring its effectiveness and longevity. It is recommended to follow the manufacturer’s guidelines for installation, which may include using specific tools and procedures. Ensuring that the hose is correctly aligned and securely fastened will help prevent leaks and maintain efficient fluid flow. It is also important to inspect the hose for any signs of damage before installation.

Maintenance and Troubleshooting

To ensure the longevity and optimal performance of the Cummins 4086534 Flexible Hose, regular maintenance is recommended. This includes periodic inspections for signs of wear, cracking, or leaks. If any issues are detected, it is advisable to replace the hose promptly to avoid potential system failures. Common troubleshooting steps involve checking for proper alignment, secure connections, and ensuring there are no obstructions in the fluid path.

Safety Precautions

When handling, installing, or maintaining the Cummins 4086534 Flexible Hose, it is important to observe several safety measures. These include wearing appropriate personal protective equipment, such as gloves and safety glasses, to prevent injury. Ensure that the truck’s engine is turned off and the system is depressurized before beginning any work on the hose. Additionally, be cautious of sharp edges and moving parts within the engine compartment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. Founded in 1919, Cummins has a long-standing reputation for innovation and quality in the automotive and industrial sectors. The company is committed to providing reliable and efficient solutions for its customers, including the development and production of components like the 4086534 Flexible Hose.

Cummins Flexible Hose Part 4086534 in Engine Applications

The Cummins Flexible Hose part number 4086534 is a critical component in various Cummins engine models, ensuring efficient and reliable operation. This part is designed to connect different sections of the engine’s fluid systems, providing flexibility and durability in demanding environments.

QSK45 Engine Series

The QSK45 engine series, which includes models such as the QSK45 CM500, utilizes the 4086534 Flexible Hose in several key applications. This hose is integral to the engine’s cooling system, connecting the water pump to the radiator or heater core. Its flexibility allows for smooth operation even when the engine is under heavy load or experiencing significant thermal expansion and contraction.

CM500 Engine Series

In the CM500 engine series, the 4086534 Flexible Hose is similarly essential. It is used to connect various fluid lines, ensuring that the engine’s hydraulic and cooling systems function seamlessly. The flexibility of this hose helps to mitigate stress on the connections, reducing the risk of leaks and ensuring longevity in the engine’s performance.

Grouping of Engines

The 4086534 Flexible Hose is a versatile component that fits into multiple Cummins engine models. Its design and material composition make it suitable for use in both the QSK45 and CM500 engine series. This flexibility in application underscores the importance of this part in maintaining the integrity and efficiency of the engine’s fluid systems.

Role of Part 4086534 Flexible Hose in Engine Systems

In engine systems, the part 4086534 Flexible Hose is integral to the functionality and efficiency of several key components.

Breather System Integration

The breather system in an engine is designed to manage the pressure within the crankcase by allowing air and gases to escape. The 4086534 Flexible Hose connects to the breather, facilitating the smooth passage of these gases. This connection ensures that the breather can effectively vent gases, maintaining optimal pressure levels within the crankcase. Proper ventilation is essential for preventing the buildup of harmful gases, which can lead to engine wear and reduced performance.

Crankcase Ventilation

The crankcase is a vital part of the engine, housing the crankshaft and connecting rods. It is subject to the accumulation of gases and moisture, which can be detrimental if not properly managed. The 4086534 Flexible Hose plays a significant role in the crankcase ventilation system by providing a flexible and durable conduit for these gases to be expelled. This helps in keeping the crankcase environment clean and dry, thereby enhancing the longevity and reliability of the engine components housed within.

Enhanced System Flexibility

The flexibility of the 4086534 Hose allows it to accommodate the dynamic movements and vibrations inherent in engine operation. This flexibility is particularly important in high-performance engines where components undergo significant stress and movement. By absorbing these movements, the hose reduces the risk of stress-related failures, ensuring a more robust and dependable engine system.

Maintenance and Serviceability

The use of the 4086534 Flexible Hose also aids in the maintenance and serviceability of the engine. Its flexible nature allows for easier access to the breather and crankcase components during routine inspections and repairs. This can significantly reduce downtime and make maintenance procedures more straightforward and efficient.

Conclusion

The Cummins 4086534 Flexible Hose is a vital component in the breather and crankcase systems, contributing to the overall performance, durability, and maintainability of the engine. Its flexibility, durability, and compatibility with various engine models make it an essential part of Cummins’ engine technology.