3420806
Retaining Ring
Cummins®

The Cummins 3420806 Retaining Ring is a specialized component designed for use in heavy-duty truck systems. Its purpose is to secure various parts in place, ensuring the reliable operation of critical assemblies. Understanding its function and significance is important for maintaining the efficiency and safety of truck operations.

Basic Concepts of Retaining Rings

Retaining rings, also known as circlips, are mechanical fasteners used to prevent components from moving along a shaft or within a housing. They operate by exerting a radial force that keeps parts securely in position. This mechanism is vital in many mechanical systems, providing stability and preventing unwanted movement that could lead to malfunction or failure ¹.

Purpose of the 3420806 Retaining Ring

The Cummins 3420806 Retaining Ring plays a specific role in securing components within truck systems. It is commonly used in assemblies where parts need to be held firmly in place to ensure proper function. This includes applications in the engine, transmission, and other critical systems where component stability is necessary for optimal performance ².

Key Features

The Cummins 3420806 Retaining Ring is characterized by several key features that enhance its functionality. It is typically made from high-strength materials to withstand the rigors of heavy-duty applications. Its design includes a spring-like structure that allows it to expand and contract, facilitating easy installation and removal while maintaining a strong hold on the components it secures ³.

Benefits

The advantages of using the Cummins 3420806 Retaining Ring include improved reliability in truck systems. Its design ensures that components remain securely in place, reducing the risk of malfunction. Additionally, the ring is easy to install and remove, which simplifies maintenance procedures and reduces downtime. Its durable construction also contributes to the longevity of the assemblies it is part of ⁴.

Common Applications

The Cummins 3420806 Retaining Ring finds applications in various truck systems, demonstrating its versatility. It is commonly used in engine components, transmission assemblies, and other critical areas where secure fastening is required. Its ability to adapt to different applications makes it a valuable part in maintaining the integrity of truck systems.

Installation Procedures

Installing the Cummins 3420806 Retaining Ring involves a few straightforward steps. First, ensure the component it will secure is properly positioned. Use appropriate tools, such as retaining ring pliers, to expand the ring and place it around the component. Once in position, release the pliers to allow the ring to contract and hold the component firmly in place. Careful handling and precise placement are important to ensure proper function.

Troubleshooting and Maintenance

Common issues with the Cummins 3420806 Retaining Ring may include improper installation or wear over time. To address these, inspect the ring regularly for signs of damage or deformation. If the ring appears worn or fails to secure components effectively, replacement is recommended. Proper maintenance, including regular inspection and correct installation, ensures the longevity and reliability of the retaining ring.

Safety Considerations

When working with the Cummins 3420806 Retaining Ring, observe important safety guidelines. Use appropriate personal protective equipment (PPE) to prevent injury during installation and maintenance. Ensure that tools are in good condition and used correctly to avoid accidents. Additionally, follow manufacturer recommendations for handling and installation to maintain safety and component integrity.

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 is renowned for its innovation and quality in the automotive and heavy-duty truck industry. The company’s extensive product range and commitment to excellence have established it as a trusted name in the field.

Cummins Retaining Ring 3420806 Compatibility

The Cummins Retaining Ring part number 3420806 is designed to fit a variety of engine models. Here is a detailed breakdown of its compatibility:

Compatible Engines

• QSV81G
• QSV91-G4 CM558/CM700 V102
• QSV91G
• QSW/QSV82
• QSW27
• QSW36
• QSW73

Grouping of Compatible Engines

• QSV Series:

  • QSV81G
  • QSV91-G4 CM558/CM700 V102
  • QSV91G
  • QSW/QSV82

• QSW Series:

  • QSW27
  • QSW36
  • QSW73

The retaining ring 3420806 is engineered to ensure proper function and longevity in these engine models by maintaining the integrity of the components it secures.

Role of Part 3420806 Retaining Ring in Engine Systems

The Part 3420806 Retaining Ring is an essential component in various engine systems, ensuring the secure assembly and operation of multiple parts. Its primary function is to hold components in place, preventing them from dislodging or moving out of position during engine operation.

In the assy, LOM Fee and assy, LOM FWE, the retaining ring plays a significant role in maintaining the integrity of the assembly by securing the components within the module. This ensures that the module functions correctly and efficiently.

Within the cooler system, the retaining ring is used to secure the engine oil filter in place. This is vital for the proper flow of engine oil through the cooler, ensuring that the oil is adequately cooled before returning to the engine.

In the full flow oil filter and lubricating oil filter systems, the retaining ring is employed to hold the filter elements securely within the filter assembly housing. This prevents any potential leakage and ensures that the filtration process is effective, protecting the engine from contaminants.

The filter head assembly cover and filter housing also utilize the retaining ring to ensure that the filter components are correctly positioned and sealed. This is important for maintaining the pressure integrity within the filtration system.

For the full flow assembly filter and lubricating oil assembly filter, the retaining ring helps in securing the filter elements within the housing, ensuring that the filtration process is consistent and reliable.

In the lubricating oil assembly and lubricating oil module assembly, the retaining ring is crucial for holding various components in place, ensuring that the lubricating oil system operates smoothly and efficiently.

Overall, the Part 3420806 Retaining Ring is a fundamental component in ensuring the secure and efficient operation of various engine systems, contributing to the overall performance and longevity of the engine.

Conclusion

The Cummins 3420806 Retaining Ring is a critical component in heavy-duty truck systems, ensuring the secure and reliable operation of various engine assemblies. Its design, characterized by high-strength materials and a spring-like structure, facilitates easy installation and removal while maintaining a strong hold on components. The benefits of using this part include improved reliability, simplified maintenance, and enhanced longevity of the assemblies it is part of. Regular inspection and proper maintenance are essential to ensure the continued effectiveness of the retaining ring.