3679802
Rectangular Ring Seal
Cummins®

The 3679802 Rectangular Ring Seal is a component manufactured by Cummins, a well-established name in the commercial truck industry. This seal is designed for use in commercial trucks, where it contributes to the reliable operation of critical systems.

Basic Concepts of Rectangular Ring Seals

Rectangular ring seals are elastomeric components used in mechanical systems to prevent fluid leakage. They function by creating a barrier between moving parts, ensuring that fluids such as oil, fuel, or coolant remain contained within their designated pathways. These seals are commonly employed in applications where there is relative motion between components, such as in engine and transmission systems ¹.

Purpose of the 3679802 Rectangular Ring Seal in Truck Operation

In commercial trucks, the 3679802 Rectangular Ring Seal plays a role in maintaining the integrity of the engine or transmission system by providing a reliable seal between moving parts. This helps to ensure that fluids are properly contained, which is vital for the efficient and safe operation of the vehicle ².

Key Features of the 3679802 Rectangular Ring Seal

The 3679802 Rectangular Ring Seal is characterized by its rectangular cross-section, which allows it to conform to the surfaces it seals against. It is made from high-quality elastomeric materials that offer durability and resistance to various operating conditions, including temperature fluctuations and exposure to chemicals. The design and material of this seal contribute to its effectiveness in preventing leaks and ensuring long-term performance ³.

Benefits of Using the 3679802 Rectangular Ring Seal

The use of the 3679802 Rectangular Ring Seal offers several advantages. It provides improved sealing performance, which helps to maintain system efficiency and prevent fluid contamination. Additionally, its durable construction contributes to longevity, reducing the need for frequent replacements. The seal’s resistance to various operating conditions ensures reliable performance in demanding environments ⁴.

Installation Considerations

Proper installation of the 3679802 Rectangular Ring Seal is important for ensuring optimal performance and longevity. Guidelines recommend that the seal be installed in a clean, lubricated groove to facilitate easy insertion and proper seating. Care should be taken to avoid damaging the seal during installation, as this could compromise its sealing capabilities ⁵.

Troubleshooting Common Issues

Common problems associated with rectangular ring seals include leaks and seal failure. These issues can often be traced to improper installation, damage during service, or exposure to incompatible fluids. Troubleshooting steps may involve inspecting the seal and its groove for damage, ensuring proper installation techniques are used, and verifying compatibility with system fluids ⁶.

Maintenance Tips

Regular maintenance of the 3679802 Rectangular Ring Seal can help prolong its service life and maintain sealing efficiency. This includes periodic inspection for signs of wear or damage, ensuring that the seal and its groove remain clean and free of contaminants, and replacing the seal as part of routine service intervals or when signs of degradation are observed ⁷.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and reliability. With a history of innovation and commitment to customer satisfaction, Cummins continues to be a trusted provider of components and systems for commercial vehicles, including the 3679802 Rectangular Ring Seal.

Cummins Rectangular Ring Seal (Part 3679802) Compatibility

The Cummins Rectangular Ring Seal, identified by part number 3679802, is a crucial component designed to ensure optimal performance and longevity of the engines. This seal is integral to the operational integrity of the ISX CM570 and ISX CM870 engines, providing a reliable barrier against leaks and contamination.

ISX CM570 and ISX CM870 Engines

Both the ISX CM570 and ISX CM870 engines benefit from the precision engineering of the Rectangular Ring Seal. These engines, known for their robust performance and efficiency, require high-quality seals to maintain their operational standards. The part 3679802 is specifically engineered to fit seamlessly within the architecture of these engines, ensuring that they operate smoothly and efficiently.

The seal’s design is tailored to withstand the high pressures and temperatures typical of these engines, providing a dependable seal that prevents fluid leaks and maintains system pressure. This is critical for the overall performance and reliability of the engines, as any compromise in sealing can lead to significant operational issues.

In both the ISX CM570 and ISX CM870 engines, the Rectangular Ring Seal is positioned in areas where it plays a pivotal role in maintaining the integrity of the engine’s internal systems. Its precise fit and durability are essential for the engines’ longevity and efficiency, making it a vital component in the maintenance and operation of these powerful engines.

Role of Part 3679802 Rectangular Ring Seal in Engine Systems

The 3679802 Rectangular Ring Seal is an essential component in maintaining the integrity and efficiency of various engine systems. Its primary function is to provide a reliable seal in areas where fluids or gases must be contained or where components need to be isolated from one another.

Integration with the Arrangement

In the context of engine arrangement, the 3679802 Rectangular Ring Seal is often positioned between mating surfaces to prevent leaks. This ensures that the arrangement of components remains secure and that the engine operates within specified parameters. The seal helps maintain consistent pressure and prevents the ingress of contaminants, which could otherwise lead to wear or failure of adjacent parts.

Application in the Oil Fill System

Within the oil fill system, the 3679802 Rectangular Ring Seal is utilized to ensure that the oil remains contained within its designated pathways. This is particularly important at points where the oil fill cap or breather connects to the engine block or cover. The seal prevents oil loss and maintains the proper lubrication levels necessary for the engine’s moving parts.

Function in the Engine Cover

The engine cover often incorporates the 3679802 Rectangular Ring Seal to create a tight seal around the perimeter. This is vital for containing engine oil, preventing dust and debris from entering the engine compartment, and maintaining a clean operating environment. The seal also helps in reducing noise emissions by minimizing the escape of air and gases from the engine.

Role in the Front Gear Assembly

In the front gear assembly, the 3679802 Rectangular Ring Seal is employed to seal the interface between the gear housing and the engine block or other mating surfaces. This ensures that lubricants stay within the gear assembly, providing consistent lubrication to the gears and bearings. It also prevents the ingress of contaminants that could accelerate wear on these critical components.

By understanding the specific applications and roles of the 3679802 Rectangular Ring Seal within these engine systems, engineers and mechanics can better appreciate its importance in maintaining engine performance and longevity.

Conclusion

The 3679802 Rectangular Ring Seal is a critical component in the maintenance and operation of commercial truck engines. Its role in preventing fluid leaks, maintaining system pressure, and ensuring the longevity of engine components underscores its importance in the industry. Proper installation, regular maintenance, and understanding its applications within engine systems are key to maximizing the performance and reliability of this Cummins part.