3928956
Fuel Drain Tube
Cummins®

The Fuel Drain Tube 3928956, manufactured by Cummins, is a critical component in the fuel systems of heavy-duty trucks. This part facilitates the drainage of fuel, essential for routine maintenance and emergency situations. It ensures a safe and efficient means of removing fuel, thereby simplifying maintenance procedures and reducing risks.

Function and Operation

This Cummins part operates by allowing fuel to be drained from the system as needed. This can be for routine maintenance, such as filter changes, or in emergency situations requiring rapid fuel removal. The tube is connected to the fuel system and, when activated, allows fuel to flow into a designated container. This process aids in preventing fuel contamination and ensures efficient fuel system operation ¹.

Key Features

The Fuel Drain Tube 3928956 is made from durable materials resistant to fuel corrosion. Its design includes a secure fitting mechanism for a tight seal within the fuel system. It may also feature a lever or valve for easy operation by maintenance personnel, enhancing its performance and longevity ².

Benefits

Using the Fuel Drain Tube 3928956 enhances safety during maintenance by providing controlled fuel drainage, reducing spill risks and exposure to flammable materials. It improves the efficiency of maintenance procedures and contributes to the fuel system’s reliability by ensuring drainage can be performed without compromising system integrity ³.

Installation and Usage

Proper installation of the Fuel Drain Tube 3928956 involves securing it within the truck’s fuel system as per the manufacturer’s guidelines. This ensures correct positioning and sealing, preventing leaks and ensuring efficient operation. It should be operated following specified procedures for safe and effective fuel removal during maintenance or emergencies.

Troubleshooting and Maintenance

Common issues with the Fuel Drain Tube may include leaks or blockages. Troubleshooting involves checking connections for tightness and inspecting the tube for damage or wear. Regular maintenance, such as cleaning the tube and its connections, ensures longevity and optimal performance. Following manufacturer recommendations for inspection and replacement intervals is important.

Safety Considerations

When working with the Fuel Drain Tube, safety precautions are necessary due to the flammable nature of fuel. This includes working in a well-ventilated area, avoiding open flames or sparks, and wearing appropriate personal protective equipment. Adhering to manufacturer guidelines for operation and maintenance is crucial to ensure safety and prevent accidents.

Cummins Overview

Cummins Inc. is a global leader in power solutions, including engines, filtration systems, and fuel systems. With a history of innovation and quality, Cummins has a strong reputation in the automotive and heavy-duty truck industries. The company’s commitment to excellence is evident in its product range, designed to meet the demanding requirements of modern transportation and power generation applications.

Cummins Engine Compatibility with Fuel Drain Tube Part 3928956

The Cummins Fuel Drain Tube part number 3928956 is designed for compatibility with a range of Cummins engines, ensuring optimal performance and reliability. This part is engineered to meet the needs of specific engine models, facilitating the removal of water and sediment from the fuel and ensuring smooth engine operation.

6B5.9 Engines

The 6B5.9 engine series benefits from the precise fit and functionality of the 3928956 Fuel Drain Tube. This component is integral to the engine’s fuel system, preventing potential damage and ensuring smooth operation by removing water and sediment from the fuel.

6C8.3 Engines

The 6C8.3 engine series is also compatible with the 3928956 Fuel Drain Tube. This part is crucial for maintaining the integrity of the fuel system by allowing for the effective drainage of contaminants, which is essential for the longevity and efficiency of the engine.

Grouping of Compatible Engines

Both the 6B5.9 and 6C8.3 engines are part of Cummins’ robust lineup, and the 3928956 Fuel Drain Tube is engineered to fit these models perfectly. This compatibility ensures that users can maintain their engines with confidence, knowing that the part is designed to work with their specific engine type.

Role of Part 3928956 Fuel Drain Tube in Engine Systems

The fuel drain tube, identified by part number 3928956, is a vital component in the fuel system of an engine. Its primary function is to facilitate the safe and efficient removal of fuel from various parts of the system, ensuring optimal performance and safety.

Integration with Fuel System Components

Fuel Tank

The fuel drain tube is typically connected to the fuel tank. It allows for the controlled release of fuel, which is necessary during maintenance procedures or when draining the tank for inspection or repair. This connection ensures that fuel can be safely removed without spillage or contamination.

Fuel Lines

In the fuel delivery system, the drain tube is integrated with the fuel lines. It provides a pathway for fuel to be drained from the lines, which is important for maintenance tasks such as line replacement or cleaning. This helps in preventing fuel residue from affecting the performance of new components.

Fuel Filter

The fuel drain tube plays a role in the fuel filtration system by allowing the fuel filter to be drained. This is particularly important during filter changes, as it ensures that old fuel is removed, reducing the risk of contamination in the new filter and maintaining efficient fuel flow.

Carburetor or Fuel Injectors

In engines equipped with carburetors or fuel injectors, the drain tube is used to drain fuel from these components. This is vital for thorough cleaning and inspection, ensuring that these parts operate efficiently and deliver the correct fuel-air mixture to the engine.

Fuel Pump

The fuel drain tube is also connected to the fuel pump system. It allows for the draining of fuel from the pump, which is necessary during pump maintenance or replacement. This ensures that the fuel system is free from old or contaminated fuel, enhancing the pump’s performance and longevity.

Safety and Maintenance Considerations

The proper use of the fuel drain tube is essential for safety during maintenance procedures. It allows technicians to work on the fuel system without the risk of fuel spillage, which can be hazardous. Additionally, regular draining of fuel components helps in identifying potential issues such as contamination or blockages, contributing to the overall reliability and performance of the engine.

Conclusion

The Fuel Drain Tube 3928956 is a crucial component in the fuel systems of heavy-duty trucks, offering safety, efficiency, and reliability in fuel drainage processes. Its compatibility with various Cummins engines ensures that it meets the demanding requirements of modern transportation applications. Proper installation, usage, and maintenance of this part are essential for the optimal performance and safety of the fuel system.