3085861
Male Union Elbow
Cummins®

The Cummins 3085861 Male Union Elbow is a component designed for use in heavy-duty truck systems. It serves a specific function within the fluid transfer mechanisms of these vehicles, contributing to the overall efficiency and reliability of the truck’s operations. Understanding its purpose and significance is fundamental for maintaining and optimizing heavy-duty truck performance.

Basic Concepts of Male Union Elbows

A Male Union Elbow is a type of fitting used in fluid systems to connect two pipes at a 90-degree angle. It consists of a male threaded end that screws into a female socket, allowing for secure and leak-proof connections. Within a truck’s infrastructure, these fittings facilitate the redirection of fluid flow, accommodating the complex routing required by the vehicle’s design ¹.

Purpose of the 3085861 Male Union Elbow

This part plays a role in the operation of a truck by enabling the transfer of fluids such as fuel, coolant, or hydraulic fluid. Its application in fluid transfer systems is vital for maintaining the proper function of various truck components, ensuring that fluids reach their intended destinations efficiently and without leakage ².

Key Features

The Cummins 3085861 Male Union Elbow is characterized by several key features. It is typically made from durable materials such as brass or stainless steel, which offer resistance to corrosion and high pressure. The connection type is male threaded, allowing for a secure fit within compatible female sockets. Its design specifications include precise threading and robust construction to withstand the demanding conditions of heavy-duty truck environments ³.

Benefits

Using the 3085861 Male Union Elbow provides several advantages. Its durable material composition ensures longevity, even under harsh operating conditions. The design allows for ease of installation, reducing downtime during maintenance procedures. Additionally, the secure connection enhances the performance of the fluid transfer system, contributing to the overall reliability of the truck ⁴.

Installation Process

Installing the 3085861 Male Union Elbow requires careful attention to detail. The process involves cleaning the mating surfaces, applying thread sealant if necessary, and screwing the male end into the female socket until snug. It is important to use the appropriate tools to avoid over-tightening, which could damage the fitting or the pipe. Precautions should be taken to ensure that all connections are secure and that there are no leaks before operating the vehicle.

Common Applications

The 3085861 Male Union Elbow is typically used in various applications within heavy-duty trucks and other commercial vehicles. It is commonly found in fuel systems, coolant circuits, and hydraulic lines, where a 90-degree change in direction is required. Its versatility and reliability make it a standard component in many truck models.

Troubleshooting and Maintenance

To identify and resolve common issues associated with the 3085861 Male Union Elbow, regular inspections for signs of wear, corrosion, or leaks are recommended. Maintenance tips include ensuring that all connections are tight, replacing worn or damaged fittings, and using the correct thread sealant during reinstallation. These practices help to ensure the longevity and optimal performance of the fitting.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range serves various markets, from on-highway to off-highway applications, demonstrating its versatility and expertise in power solutions.

Compatibility of Male Union Elbow Part 3085861 with Cummins Engines

The Male Union Elbow part 3085861, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engine models. This part is integral in ensuring the proper connection and alignment of various engine components, facilitating smooth operation and enhancing the overall efficiency of the engine systems.

Grouping of Compatible Engines

QSK19 Series:

• QSK19 CM2350 K105
• QSK19 CM500
• QSK19 CM850 MCRS

The Male Union Elbow part 3085861 is compatible with the QSK19 series engines, including the CM2350 K105, CM500, and CM850 MCRS models. This part ensures that the connections between the engine’s hydraulic or fuel systems are secure and leak-proof, contributing to the engine’s reliability and performance.

QST30 Series:

• QST30 CM2350 T101

For the QST30 series, specifically the CM2350 T101 engine, the Male Union Elbow part 3085861 is engineered to fit perfectly, ensuring that the connections within the engine’s system are robust and maintain their integrity over time.

Other Cummins Engines:

• B6.7 CM2670 B153B
• VTA903 CM2250 V105

The part 3085861 is also compatible with other Cummins engines such as the B6.7 CM2670 B153B and the VTA903 CM2250 V105. Its design allows it to integrate smoothly with these engines, providing a reliable connection that is essential for the proper functioning of the engine’s systems.

Role of Part 3085861 Male Union Elbow in Engine Systems

The part 3085861 Male Union Elbow is instrumental in facilitating the connection and redirection of fluid flow within various engine systems. Its application spans across several key components, enhancing the efficiency and reliability of the engine’s operation.

In the air compressor system, the Male Union Elbow is employed to join different sections of the compressor’s plumbing, ensuring a secure and leak-free connection. This is vital for maintaining the compressor’s performance and longevity.

Within the compressor coolant plumbing, the Male Union Elbow plays a role in linking coolant lines, which helps in dissipating heat from the compressor. This ensures that the compressor operates within optimal temperature ranges, preventing overheating and potential damage.

The crankcase breather arrangement benefits from the Male Union Elbow by providing a reliable connection point for breather lines. This aids in the efficient venting of gases from the crankcase, maintaining proper pressure levels and reducing the risk of contamination within the engine oil.

In the cylinder block and cylinder head assemblies, the Male Union Elbow is used to connect various fluid lines, such as oil and coolant passages. This ensures that these critical components receive consistent lubrication and cooling, which is essential for their durability and performance.

The fuel plumbing system utilizes the Male Union Elbow to connect fuel lines, ensuring a steady and uninterrupted supply of fuel to the engine. This is fundamental for the engine’s combustion process and overall efficiency.

For the oil cooler water plumbing, the Male Union Elbow facilitates the connection between the oil cooler and the water lines. This integration is key to effectively cooling the engine oil, which in turn helps in maintaining the engine’s operating temperature and performance.

Lastly, in turbocharger plumbing, the Male Union Elbow is used to connect various fluid lines associated with the turbocharger. This includes oil feed and return lines, as well as any coolant lines if the turbocharger is water-cooled. Proper connection ensures the turbocharger receives the necessary lubrication and cooling, enhancing its efficiency and lifespan.

Overall, the part 3085861 Male Union Elbow is a versatile component that enhances the connectivity and functionality of various engine systems, contributing to the engine’s overall performance and reliability.

Conclusion

The Cummins 3085861 Male Union Elbow is a critical component in the fluid transfer systems of heavy-duty trucks. Its robust design, ease of installation, and compatibility with various Cummins engine models make it an essential part for maintaining the efficiency and reliability of truck operations. Regular maintenance and proper installation are key to ensuring the longevity and optimal performance of this Cummins part.