3936365
Pressure Relief Valve
Cummins®

Introduction

The Cummins 3936365 Pressure Relief Valve is a critical component designed for commercial truck applications. Its primary function is to maintain system integrity by managing and regulating pressure within specified limits. This ensures that the system operates within safe parameters, enhancing the reliability and longevity of the truck’s components ¹.

Basic Concepts of Pressure Relief Valves

A Pressure Relief Valve is a safety device that automatically releases excess pressure from a system to prevent damage or failure. It operates by opening when the pressure exceeds a predetermined set point, allowing the pressure to be vented or redirected. This mechanism is fundamental in protecting systems from the adverse effects of excessive pressure, ensuring both safety and efficiency ².

Role of the 3936365 Pressure Relief Valve in Truck Operation

The Cummins 3936365 Pressure Relief Valve plays a specific role in the operation of a commercial truck by regulating pressure within the system. It contributes to the overall efficiency and safety of the vehicle by preventing pressure build-up that could lead to component failure or reduced performance. By maintaining optimal pressure levels, this valve ensures that the truck’s systems operate smoothly and reliably, enhancing both driver safety and vehicle durability ³.

Key Features

The Cummins 3936365 Pressure Relief Valve is characterized by several key features that enhance its performance and reliability. Its design incorporates high-quality materials that are resistant to wear and corrosion, ensuring durability in demanding commercial truck environments. Unique characteristics such as precise pressure settings and robust construction contribute to its effectiveness in maintaining system integrity.

Benefits

The Cummins 3936365 Pressure Relief Valve offers several benefits, including improved system safety, enhanced performance, and increased durability. By regulating pressure, it helps prevent system failures and extends the lifespan of critical components. These benefits contribute to the overall operation of the truck by ensuring reliable performance and reducing the likelihood of unexpected downtime.

Troubleshooting and Maintenance

Common issues with the Cummins 3936365 Pressure Relief Valve may include leaks, improper pressure settings, or valve sticking. Troubleshooting steps involve checking for obstructions, verifying pressure settings, and ensuring the valve operates smoothly. Regular maintenance practices, such as periodic inspection and cleaning, are recommended to ensure optimal performance and longevity. Replacement schedules should be followed according to the manufacturer’s guidelines to maintain system integrity ⁴.

About Cummins

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the commercial truck industry. Founded with a commitment to quality and innovation, Cummins has consistently delivered reliable and high-performance automotive components. Their dedication to excellence is evident in the design and manufacturing of components like the 3936365 Pressure Relief Valve, which embodies their standards of durability and efficiency.

Compatibility

The Cummins Pressure Relief Valve part number 3936365 is designed to maintain optimal pressure levels within the engine’s hydraulic system. This part is engineered to fit a variety of Cummins engines, ensuring that pressure remains within safe limits to prevent damage and maintain performance.

Compatible Engines

• 3A1.7, 4B3.9, 6A3.4, 6B5.9, 6C8.3, A2300, B3.9 G, B4.5, B4.5 CM2350 B129B, B4.5 RGT, B5.6 CM2670 B152B, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556, B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 CM2670 B164C, B6.7 G CMOH6.0 B125, B6.7S, C GAS PLUS CM556, C8.3 G
• D4.0 CM2620 D103B, F2.8 CM2620 F135B, F3.8 CM2350 F120B, F3.8 CM2350 F128C

By ensuring that the pressure relief valve is correctly installed, these engines can operate within their designed parameters, reducing the risk of hydraulic system failures and maintaining peak performance.

Integration of Part 3936365 Pressure Relief Valve in Engine Systems

The Part 3936365 Pressure Relief Valve is an essential component in maintaining the optimal performance and safety of various engine systems. Its role is to regulate and manage the pressure within these systems, preventing any potential damage that could arise from excessive pressure build-up.

Engine Oil System

In the engine oil system, the Pressure Relief Valve is integrated into the lube oil filter head and the lubricating oil filter cover. It works in conjunction with the full flow oil filter and the oil-remote filter to ensure that the oil pressure remains within safe limits. This is particularly important in the front cylinder block cover and the front gear cover, where consistent oil pressure is vital for the lubrication of moving parts.

Lubricating Oil System

Within the lubricating oil system, the Pressure Relief Valve is a key component in the lubricating oil pump and the lubricating oil cooler module. It helps in maintaining the pressure in the lub oil cooler and the oil cooler housing, ensuring efficient cooling and lubrication of the engine components. The valve is also part of the lubricating oil filter kit, working alongside the filter head adapter and the filter head kit to regulate pressure in the filtration process.

Fuel System

In the fuel system, the Pressure Relief Valve is incorporated into the fuel pump drive mechanism. It ensures that the pressure in the fuel lines does not exceed safe levels, which is essential for the proper functioning of the fuel injection system and the overall engine performance.

Cooling System

The Pressure Relief Valve also plays a role in the engine’s cooling system. It is integrated into the engine oil cooler and the oil cooler, helping to regulate the pressure in the cooler core. This is important for maintaining the efficiency of the cooling process and protecting the engine from overheating.

Additional Components

The Pressure Relief Valve is also found in the mounting kit and the adapter connection, where it assists in the secure and efficient connection of various engine components. Its role in these areas is to ensure that the pressure within the connected systems is maintained at optimal levels, contributing to the overall reliability and performance of the engine.

Conclusion

In summary, the Part 3936365 Pressure Relief Valve is a versatile component that enhances the functionality and safety of various engine systems by effectively managing pressure levels. Its integration into different systems ensures that the engine operates within safe parameters, reducing the risk of damage and improving overall performance.