2870338
Flexible Hose
Cummins®

Introduction

The Cummins 2870338 Flexible Hose is a critical component in commercial trucks, designed to enhance the vehicle’s operation and efficiency. Manufactured by Cummins, a renowned name in the industry for producing reliable and high-quality parts, this part plays a significant role in various truck systems.

Basic Concepts of Flexible Hoses

Flexible hoses are essential in automotive and industrial applications for transporting fluids and gases between components. They are designed to accommodate movement and vibration, which rigid pipes cannot. Materials like rubber, thermoplastics, and metal braids are commonly used, offering properties such as flexibility, durability, and resistance to specific chemicals or temperatures ¹.

Purpose of the 2870338 Flexible Hose

The 2870338 Flexible Hose is used in truck systems to connect components requiring fluid or gas transfer. It ensures consistent performance under varying conditions, crucial for systems needing flexibility and durability, such as coolant, fuel, or compressed air transport.

Key Features

This Cummins part features significant flexibility, accommodating dynamic truck movements. Constructed from high-quality materials, it offers durability and resistance to wear. It may also include reinforced layers for strength or specialized coatings for chemical resistance.

Benefits

Using the 2870338 Flexible Hose in trucks provides advantages like greater movement flexibility between components, reducing damage risks from vibration or shifting. Its durability ensures long-term reliability under demanding conditions, enhancing safety by minimizing leak or failure risks.

Installation Considerations

Proper installation of the 2870338 Flexible Hose is vital for function and longevity. This includes correct alignment to avoid kinks, secure fastening to prevent disconnection, and ensuring compatibility with the existing system for seamless integration.

Troubleshooting Common Issues

Common issues like leaks, kinks, or degradation in flexible hoses can be addressed through systematic troubleshooting. Inspecting for visible damage, ensuring proper alignment and secure connections, and replacing worn sections are key steps. Safety precautions, such as depressurizing the system before inspection, are crucial ².

Maintenance Tips

Regular maintenance of the 2870338 Flexible Hose is crucial for longevity and performance. This includes routine inspections for wear or damage, cleaning to remove buildup, and replacing the hose when it shows significant aging or compromise. Adhering to a maintenance schedule helps prevent unexpected failures and extends the hose’s service life.

Cummins Overview

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range including engines, filtration systems, and aftermarket parts, Cummins has established a reputation for reliability and performance. The company’s history of excellence and dedication to advancing technology underscores its standing in the industry.

Role of Part 2870338 Flexible Hose in Engine Systems

The 2870338 Flexible Hose is integral to the efficient operation of various engine systems. It facilitates the transfer of fluids and gases between different components, ensuring seamless functionality and performance.

Fuel System Integration

In the fuel system, the Flexible Hose connects the fuel tank to the fuel pump and from the pump to the fuel rail. It also links the fuel filter to the fuel lines, allowing for uninterrupted fuel flow. Additionally, it is used in fuel drain tubing and fuel plumbing to manage fuel supply and return lines effectively.

Air Starter and GT Starting Systems

For air starting systems and GT starting accessories, the Flexible Hose is employed in air starter plumbing. It ensures that compressed air is delivered to the starter motor efficiently, aiding in the engine’s ignition process.

Heat Exchanger and Radiator Plumbing

In heat exchanger and radiator systems, the Flexible Hose plays a significant role. It connects the heat exchanger to the engine block and the radiator to the thermostat housing. This setup allows for the circulation of coolant, maintaining optimal engine temperature and preventing overheating.

Expansion Tank and Coolant System

The Flexible Hose is also vital in the coolant system, particularly in linking the expansion tank to the radiator. This connection accommodates the expansion and contraction of coolant as it heats up and cools down, ensuring the system remains pressurized and efficient.

Fuel Transfer and Onboard Spares

In fuel transfer applications, the Flexible Hose is used in fuel supply tubing and fuel tubing to transfer fuel between different storage locations. It is also included in onboard spares and spare parts kits, providing a reliable solution for maintenance and repair needs.

Water Separator and Vent Hose

Finally, the Flexible Hose is utilized in the water separator to drain water from the fuel system, ensuring clean fuel delivery to the engine. It also serves as a vent hose in the engine coolant system, allowing for the release of air pockets and maintaining system integrity.

Conclusion

The Cummins 2870338 Flexible Hose is a versatile and essential component for various engine systems in commercial trucks. Its design and features ensure reliable fluid and gas transfer, contributing to the overall efficiency and safety of the vehicle. Regular maintenance and proper installation are key to maximizing its performance and longevity.