4002080
Pressure Regulator Valve
Cummins®

The 4002080 Pressure Regulator Valve Assembly, manufactured by Cummins, is designed to manage and maintain system pressure within specified limits in commercial trucks. Cummins, a well-established name in the automotive industry, produces this assembly to ensure efficient and reliable operation of truck systems.

Basic Concepts of Pressure Regulator Valve Assembly

A Pressure Regulator Valve Assembly is a device that controls the pressure of a fluid or gas within a system. It operates by adjusting the flow rate to maintain a constant pressure, regardless of changes in demand or supply. This assembly is vital for ensuring that system components receive the appropriate pressure levels, which is essential for their optimal performance and longevity ¹.

Purpose and Role in Truck Operation

The 4002080 Pressure Regulator Valve Assembly plays a specific role in the operation of commercial trucks by regulating the pressure of the fuel or air systems. This regulation ensures that the engine and other critical systems receive consistent pressure, which contributes to the vehicle’s overall performance and efficiency. By maintaining stable pressure levels, the assembly helps prevent issues such as engine strain, inefficient fuel consumption, and potential damage to system components ².

Key Features

The 4002080 Pressure Regulator Valve Assembly boasts several key features that enhance its functionality. These include a robust design that ensures durability under varying operating conditions, the use of high-quality materials to withstand high pressures and temperatures, and precise engineering to ensure accurate pressure regulation. Additionally, the assembly may incorporate unique characteristics such as adjustable settings for different pressure requirements and built-in safety mechanisms to protect against overpressure situations ³.

Benefits

The 4002080 Pressure Regulator Valve Assembly offers several benefits, including improved system reliability due to consistent pressure maintenance, enhanced performance of the truck’s engine and other systems, and potential cost savings over time by reducing the need for frequent repairs or replacements of system components. Its reliable operation contributes to the overall efficiency and longevity of the vehicle.

Installation Considerations

Proper installation of the 4002080 Pressure Regulator Valve Assembly is crucial for its effective operation. Guidelines for installation include ensuring that the system is clean and free of debris before installation, following manufacturer instructions for mounting and connecting the assembly, and verifying that all connections are secure and leak-free. Special attention should be given to the orientation of the assembly to ensure correct pressure regulation.

Troubleshooting Common Issues

Common issues with the 4002080 Pressure Regulator Valve Assembly may include inconsistent pressure regulation, leaks, or failure to maintain set pressure levels. Troubleshooting steps involve checking for obstructions or debris in the system, inspecting connections for leaks or loose fittings, and verifying the assembly’s settings against the manufacturer’s specifications. If issues persist, professional inspection and repair may be necessary.

Maintenance Tips

Regular maintenance of the 4002080 Pressure Regulator Valve Assembly is key to ensuring its longevity and optimal performance. Maintenance tips include periodic inspection for signs of wear or damage, cleaning the assembly and its connections to prevent buildup of debris, and verifying that pressure settings remain accurate. Following the manufacturer’s recommended maintenance schedule can help identify potential issues before they lead to system failures.

Cummins 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 has established itself as a trusted name in the automotive industry, known for its expertise in diesel engine manufacturing and commitment to quality and innovation. The company’s products are designed to deliver reliable performance, efficiency, and durability, making them a preferred choice for commercial and industrial applications.

Compatibility with Cummins Engines

The Pressure Regulator Valve Assembly, part number 4002080, is a critical component in the fuel system of various Cummins engines. This part is designed to maintain optimal fuel pressure within the engine’s fuel system, ensuring efficient engine performance and longevity.

QSK45 CM500 and QSK60 CM500

The QSK45 CM500 and QSK60 CM500 engines are part of Cummins’ QSK series, which are known for their robust design and high performance. These engines are typically used in heavy-duty applications, including marine and industrial sectors. The Pressure Regulator Valve Assembly (4002080) is compatible with these engines, ensuring that the fuel pressure is regulated to the precise specifications required for optimal engine operation.

QSK60G

The QSK60G engine is another variant in the QSK series, designed for demanding applications that require high power output and reliability. The Pressure Regulator Valve Assembly (4002080) is integral to the QSK60G’s fuel system, providing the necessary pressure regulation to maintain engine efficiency and performance.

QSK78 CM500

The QSK78 CM500 engine is a high-output variant in the QSK series, often used in applications that demand substantial power and durability. This engine’s fuel system relies on the Pressure Regulator Valve Assembly (4002080) to ensure that fuel pressure is maintained within the optimal range, contributing to the engine’s overall performance and reliability.

Role of 4002080 in Engine Systems

The 4002080 Pressure Regulator Valve Assembly is an integral component within various engine systems, ensuring optimal performance and efficiency. This assembly is designed to maintain consistent fuel pressure within the fuel system, which is essential for the proper operation of the fuel injection pump and the overall fuel injection process.

When integrated into the fuel system, the Pressure Regulator Valve Assembly works in conjunction with the fuel pump to regulate the pressure of the fuel before it reaches the fuel injection pump. This regulation is vital for the pump to deliver fuel at the correct pressure, ensuring efficient combustion within the engine cylinders.

In systems utilizing the Q45 S.O I Fixture Kit or the Q60 S.O I Fixture Kit, the Pressure Regulator Valve Assembly plays a significant role in maintaining the desired fuel pressure levels. These fixture kits are designed to facilitate the installation and operation of the fuel injection system, and the regulator valve ensures that the fuel pressure remains within the specified parameters for optimal engine performance.

For more complex setups like the Q60 SQI 2 Stage Upfit Kit, Q60 SQI Genset Upfit Kit, and Q60 SQI Ind Upfit Kit, the Pressure Regulator Valve Assembly is equally important. These upfit kits are designed for enhanced engine performance and efficiency, and the regulator valve is a key component in achieving this. It ensures that the fuel pressure is regulated across multiple stages of the fuel injection process, contributing to the overall efficiency and reliability of the engine system.

Conclusion

In summary, the 4002080 Pressure Regulator Valve Assembly is a fundamental component in various engine systems, working alongside the fuel pump and fuel injection pump to maintain consistent fuel pressure. This ensures efficient fuel delivery and combustion, contributing to the overall performance and reliability of the engine.