3287902
Elbow Hose Coupling
Cummins®

The 3287902 Elbow Hose Coupling, manufactured by Cummins, is a component designed for use in commercial trucks. This coupling plays a role in the truck’s fluid systems by facilitating the connection between hoses at an angle, which is often necessary to navigate the complex routing of fluid lines within the vehicle. Cummins, a well-established name in the commercial truck industry, produces this coupling as part of its extensive range of truck components, emphasizing quality and reliability.

Basic Concepts of Elbow Hose Couplings

An elbow hose coupling is a fitting used to join two hoses at an angle, typically 90 degrees. This design allows for flexibility in routing hoses around obstacles within the truck’s engine compartment or chassis. The coupling operates by providing a secure, leak-resistant connection that can withstand the pressure and temperature variations present in fluid systems such as coolant, fuel, and hydraulic lines. The general principles behind its design include ease of installation, durability, and the ability to maintain a consistent flow of fluid through the system ¹.

Purpose of the 3287902 Elbow Hose Coupling

The 3287902 Elbow Hose Coupling is specifically designed to play a role in the fluid transfer systems of a truck. It facilitates the connection between hoses in systems where space constraints or the layout of the truck’s chassis requires a change in direction. This coupling ensures that fluid, whether it be coolant, fuel, or hydraulic fluid, can flow efficiently and without leakage between components, contributing to the overall reliability and performance of the truck’s systems ².

Key Features

The 3287902 Elbow Hose Coupling features a design that includes high-quality materials resistant to corrosion and wear, ensuring durability in demanding environments. Its construction may include reinforced hose ends to prevent leaks and a robust body that can withstand high pressure. Unique characteristics of this coupling might include a design that simplifies installation and maintenance, such as quick-connect features or compatibility with a wide range of hose sizes and types ³.

Benefits

The advantages of using the 3287902 Elbow Hose Coupling include improved fluid flow due to its design, which minimizes restrictions and ensures a smooth transition between hoses. It also offers reduced leakage risks thanks to its secure connection mechanism. The coupling’s durability ensures long-term performance, and its design may facilitate easier installation compared to traditional couplings, saving time during maintenance or repair procedures ⁴.

Installation and Compatibility

Proper installation of the 3287902 Elbow Hose Coupling involves ensuring that the hoses are clean and free of debris, selecting the correct size coupling for the hoses being connected, and following any manufacturer-specific guidelines for securing the coupling. Tools required may include hose clamps and possibly a wrench for tightening. Compatibility with various truck models and systems should be verified by consulting the manufacturer’s guidelines or product documentation to ensure the coupling meets the specific requirements of the truck’s fluid systems ⁵.

Troubleshooting and Maintenance

Common issues with the 3287902 Elbow Hose Coupling may include leaks, which can often be traced to improper installation or wear and tear over time. Diagnostic tips include checking for secure connections and inspecting the coupling and hoses for signs of damage or corrosion. Maintenance practices to ensure longevity and optimal performance involve periodic checks for leaks, ensuring connections remain tight, and replacing the coupling if it shows signs of wear or failure. Regular maintenance can help prevent unexpected downtime and ensure the truck’s fluid systems operate efficiently ⁶.

Safety Considerations

When working with the 3287902 Elbow Hose Coupling, it is important to observe safety practices to avoid accidents or injuries. This includes wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses. Handling procedures should involve careful manipulation of the coupling to avoid damage, and any work on fluid systems should be conducted with the engine off and the system depressurized to prevent injury from pressurized fluid. Awareness of potential hazards, such as hot components or pressurized systems, is crucial when performing maintenance or repairs ⁷.

Cummins: A Brief 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 a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s product range includes a wide array of components and systems designed to enhance the performance, efficiency, and durability of commercial vehicles. Cummins’ commitment to quality is evident in its rigorous testing and quality control processes, ensuring that its products meet the high standards required by the industry ⁸.

Compatibility of Elbow Hose Coupling Part 3287902 with Cummins Engines

The Elbow Hose Coupling part 3287902, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is integral in ensuring the proper connection and sealing of hoses within the engine system, facilitating the flow of fluids and gases necessary for engine operation.

Engines Compatible with Part 3287902

• 6C8.3
• C GAS PLUS CM556
• ISC CM2150
• ISC CM850
• ISC8.3 CM2250
• ISL CM2150
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• L GAS PLUS CM556
• L8.9G CMOH2.0 L125B
• L9.3 L105
• QSC8.3 CM850(CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM850(CM2850)

Grouping of Compatible Engines

ISC Series

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

ISL Series

• ISL CM2150
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250

L Series

• L GAS PLUS CM556
• L8.9G CMOH2.0 L125B
• L9.3 L105

QSC and QSL Series

• QSC8.3 CM850(CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM850(CM2850)

This part is versatile and can be used across different series of Cummins engines, ensuring compatibility with a broad range of applications.

Role of Part 3287902 Elbow Hose Coupling in Engine Systems

The 3287902 Elbow Hose Coupling is an essential component in the fluid management systems of engines, specifically within the cooler and torque converter oil circuits.

Integration with the Cooler System

In the cooler system, the 3287902 Elbow Hose Coupling facilitates the connection between the hoses that transport coolant. This coupling ensures a secure and leak-free connection, allowing coolant to circulate efficiently through the engine’s cooling passages. The coupling’s design supports the maintenance of optimal engine temperature by enabling consistent coolant flow, which is vital for dissipating heat generated during operation.

Function within the Torque Converter Oil Circuit

Within the torque converter oil circuit, the 3287902 Elbow Hose Coupling plays a significant role in connecting hoses that carry oil to and from the torque converter. This ensures that the torque converter receives a steady supply of oil, which is necessary for lubrication and cooling. The coupling’s robust construction handles the pressure variations within the oil circuit, contributing to the reliable operation of the torque converter and, by extension, the transmission system.

Overall Contribution to Engine Performance

By providing reliable connections in both the cooler and torque converter oil systems, the 3287902 Elbow Hose Coupling supports the overall efficiency and durability of the engine. Its role in maintaining fluid integrity and flow is fundamental to the engine’s ability to operate within specified parameters, ensuring both performance and longevity.

Conclusion

The 3287902 Elbow Hose Coupling by Cummins is a critical component in the fluid systems of commercial trucks, ensuring efficient and reliable fluid transfer. Its design, featuring high-quality materials and robust construction, supports the durability and performance of the truck’s systems. Proper installation, maintenance, and safety practices are essential to maximize the benefits of this coupling, contributing to the overall efficiency and longevity of the vehicle.