3336622
Retaining Ring
Cummins®

The 3336622 Retaining Ring, manufactured by Cummins, is a critical component in the commercial truck industry. This part ensures the secure operation of specific mechanical systems across various truck models. Retaining rings, in general, are essential in mechanical assemblies for securing components in place and preventing them from moving out of position during operation ¹.

Basic Concepts of Retaining Rings

Retaining rings, also known as circlips, are mechanical fasteners that secure components within a housing or on a shaft by fitting into a groove and exerting a radial force. This mechanism is vital for the reliable operation of many mechanical systems, ensuring that parts remain in their intended positions under various operational conditions ².

Purpose of the 3336622 Retaining Ring

The 3336622 Retaining Ring is designed to secure specific components within the truck’s mechanical systems. It maintains the integrity of the assembly by preventing parts from dislodging, contributing to the overall efficiency and reliability of the vehicle ³.

Key Features

This Cummins part is characterized by its specific shape and size, tailored to fit precisely within the designated grooves of the components it secures. Constructed from durable materials, it is designed to withstand the operational stresses and environmental conditions typical in commercial truck applications. These design and material characteristics ensure that the retaining ring performs reliably over the vehicle’s lifespan ⁴.

Benefits

Utilizing the 3336622 Retaining Ring offers several advantages. Its design contributes to improved reliability of the mechanical systems it is part of, ensuring components remain securely in place. The ring is also designed for ease of installation, reducing downtime during maintenance procedures. Additionally, its durable construction minimizes the need for frequent replacements, offering maintenance benefits ¹.

Installation Process

Installing the 3336622 Retaining Ring requires careful attention to ensure proper fitting. The process involves selecting the appropriate tool to expand the ring, placing it into the designated groove, and then releasing it to allow it to contract and secure the component. Best practices include verifying the groove’s cleanliness and ensuring the ring is correctly oriented to exert the necessary radial force ².

Common Issues and Troubleshooting

Typical problems with retaining rings include displacement or damage, which can lead to component failure. Troubleshooting these issues involves inspecting the ring and the groove for signs of wear or improper fitting. Addressing these problems may require replacing the retaining ring or modifying the groove to ensure a secure fit ³.

Maintenance Tips

Regular inspection of the 3336622 Retaining Ring is recommended to ensure its continued effectiveness. Maintenance should include checking for signs of wear, corrosion, or damage. If the retaining ring shows signs of degradation or if it no longer fits securely, it should be replaced to maintain the integrity of the mechanical system ⁴.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and technological advancements have made it a preferred choice for commercial vehicle manufacturers and operators worldwide.

Cummins Retaining Ring Part 3336622 Compatibility

The Cummins retaining ring part 3336622 is designed to fit seamlessly with a range of engine models. This part is crucial for maintaining the integrity of various engine components by preventing unwanted movement and ensuring proper alignment.

Engine Compatibility

• QSV81G and QSV91G: These engines benefit from the retaining ring part 3336622, which ensures that internal components remain securely in place, enhancing overall engine performance and longevity.

• QSV91-G4 CM558/CM700 V102: This engine model also utilizes the retaining ring part 3336622. The ring’s precision fit is essential for maintaining the delicate balance and efficiency of the engine’s internal mechanisms.

• QSZ90: The retaining ring part 3336622 is compatible with the QSZ90 engine, providing a reliable solution for securing components and preventing wear and tear.

Each of these engines relies on the retaining ring part 3336622 to ensure that critical parts remain in their designated positions, thereby contributing to the engine’s overall reliability and efficiency.

Role of Part 3336622 Retaining Ring in Engine Systems

The retaining ring, identified by part number 3336622, is a vital component in various engine systems, ensuring the secure and efficient operation of multiple assemblies.

In the clutch system, the retaining ring is utilized to hold components in place, ensuring that the clutch operates smoothly and efficiently. It secures parts within the clutch assembly, preventing movement that could lead to wear or failure.

For the front components, such as the cooler and engine oil systems, the retaining ring plays a significant role in maintaining the integrity of these assemblies. It ensures that the cooler and oil passages remain sealed and secure, which is vital for the consistent flow of engine oil and the effective cooling of engine components.

In the cylinder head conversion kit, the retaining ring is employed to secure various elements, ensuring that the conversion process is seamless and that all components function as intended. This is particularly important in maintaining the proper sealing and operation of the cylinder head.

The engine oil assembly cooler relies on the retaining ring to keep its components in place, ensuring efficient oil cooling and maintaining the optimal temperature of the engine oil.

Within the fuel injection assembly pump and fuel injection s/assembly pump, the retaining ring secures critical parts, ensuring precise fuel delivery and maintaining the performance and reliability of the fuel injection system.

In the housing of various engine components, the retaining ring is used to hold together different sections, ensuring that the housing remains intact and functions correctly.

For the oil cooler subass, the retaining ring ensures that all parts are securely held in place, which is essential for the effective operation of the oil cooler.

On the idler shaft, the retaining ring prevents components from dislodging, ensuring smooth operation and reducing the risk of mechanical failure.

In the lever and rocker systems, such as the lever s/a rocker and rocker assembly lever, the retaining ring secures these components, ensuring they operate within the designed parameters and contribute to the efficient functioning of the engine’s valve train.

The rocker lever support and rocker sub-assembly lever also benefit from the retaining ring, as it ensures these parts remain in place, allowing for consistent and reliable valve operation.

Lastly, in the lubricating oil filter s/assembly cover and the pump, particularly the fuel injection pump, the retaining ring is vital for securing components, ensuring the filter and pump operate effectively and contribute to the overall lubrication and fuel delivery systems of the engine.

Conclusion

The 3336622 Retaining Ring is a crucial component in the operation and maintenance of commercial truck engines. Its role in securing various engine components ensures the reliability and efficiency of the mechanical systems it supports. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part.