3687031
Fuel Drain Tube
Cummins®

Introduction

The Fuel Drain Tube 3687031 is a component designed by Cummins for use in heavy-duty trucks. This part is integral to the fuel system, facilitating the safe and efficient drainage of fuel. Its role ensures that the fuel system operates smoothly, contributing to the overall performance and reliability of the vehicle.

Purpose and Function

The Fuel Drain Tube 3687031 serves a specific function within the fuel system of a truck. It allows for the controlled drainage of fuel, which is necessary for various maintenance procedures and system checks. By enabling the removal of fuel, it helps in maintaining the integrity of the fuel system, preventing contamination and ensuring that the fuel delivered to the engine is clean and of the appropriate quality ¹.

Key Features

The design and construction of the Fuel Drain Tube 3687031 are tailored to meet the demanding requirements of heavy-duty applications. Crafted from durable materials, this tube is built to withstand the pressures and conditions within a truck’s fuel system. Its construction includes features that enhance its performance, such as precise fitting connections that ensure a secure and leak-free installation ².

Benefits

Utilizing the Fuel Drain Tube 3687031 offers several advantages. It contributes to improved fuel system efficiency by allowing for the easy removal of fuel during maintenance, which can help in identifying and addressing issues within the system. Additionally, by facilitating the drainage of fuel, it reduces the risk of contamination within the system, leading to enhanced reliability and performance of the truck ³.

Installation and Compatibility

Proper installation of the Fuel Drain Tube 3687031 is crucial for its effective function. Guidelines for installation include ensuring that all connections are secure and that the tube is correctly positioned within the fuel system. Specific requirements may vary depending on the truck model, and it is important to follow manufacturer recommendations to ensure compatibility and optimal performance.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Drain Tube 3687031 is important to ensure its continued reliable operation. This includes periodic inspection for signs of wear or damage and ensuring that all connections remain secure. Common issues may include leaks or blockages, which can often be addressed through routine checks and timely repairs.

Safety Considerations

When working with the Fuel Drain Tube 3687031, it is important to adhere to safety guidelines. This includes handling fuel with care to avoid spills and ensuring that all work is conducted in a well-ventilated area. Additionally, following proper procedures for draining fuel can help prevent accidents and ensure a safe working environment.

Cummins Overview

Cummins Inc. is a leader in the design and manufacturing of diesel engines, including components like the Fuel Drain Tube 3687031. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and high-performance automotive components. Their focus on engineering excellence and customer satisfaction underscores their position in the industry.

Cummins Engine Compatibility with Fuel Drain Tube Part 3687031

The Cummins Fuel Drain Tube part number 3687031 is designed to fit a range of Cummins engines, ensuring efficient fuel management and system integrity. This part is compatible with several models within the Cummins lineup, specifically:

• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101

These engines are part of the Cummins ISX series, known for their robust performance and reliability in various heavy-duty applications. The Fuel Drain Tube part 3687031 is engineered to seamlessly integrate with these models, facilitating the removal of water and sediment from the fuel system, which is crucial for maintaining engine efficiency and longevity.

Additionally, the part is also compatible with:

• QSX15 CM2250
• QSX15 CM2250 ECF
• QSX15 CM2350 X105

These engines belong to the Cummins QSX series, which is designed for applications requiring high power output and durability. The Fuel Drain Tube part 3687031 ensures that these engines can operate smoothly by preventing contaminants from entering the fuel system.

By ensuring compatibility with these specific models, Cummins guarantees that the Fuel Drain Tube part 3687031 will meet the stringent requirements of these engines, providing reliable performance and ease of maintenance.

Role of Part 3687031 Fuel Drain Tube in Fuel Drain Plumbing

The fuel drain tube, identified by part number 3687031, is an essential component within the fuel drain plumbing system of an engine. Its primary function is to facilitate the safe and efficient removal of fuel from the system during maintenance or emergency situations.

When integrated into the fuel drain plumbing, the fuel drain tube connects to the fuel tank and other relevant components such as the fuel lines and the fuel drain valve. This connection allows for the controlled release of fuel, ensuring that it is directed away from the engine bay to a safe collection point.

The tube works in conjunction with the fuel drain valve, which can be manually or automatically operated to open and close the fuel flow. During routine maintenance, the valve is opened, and the fuel drain tube provides a clear path for the fuel to exit the system. This process is vital for tasks such as fuel system cleaning, filter changes, or when draining fuel for storage.

Additionally, the fuel drain tube is designed to handle the specific pressure and flow characteristics of the fuel it carries, ensuring that the fuel is drained without causing spills or unsafe conditions. Its placement and routing are carefully planned to avoid interference with other engine components and to maintain the integrity of the fuel system.

Conclusion

In summary, the fuel drain tube plays a significant role in the fuel drain plumbing by providing a reliable pathway for fuel removal, contributing to the overall safety and efficiency of engine maintenance procedures. The Fuel Drain Tube 3687031 by Cummins is a critical component for maintaining the performance and reliability of heavy-duty trucks, ensuring that the fuel system operates efficiently and without contamination.