3231749
Retaining Ring
Cummins®

The Cummins 3231749 Retaining Ring is a specialized component designed for use in commercial trucks. Its primary function is to secure various parts within the truck’s engine system, ensuring they remain in place under operational conditions. This retaining ring is integral to maintaining the structural integrity and efficiency of the engine components it supports.

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 fitting into a groove and exerting a radial force that holds the component securely in place. This mechanism is essential in various mechanical systems to ensure components do not dislodge or move out of position during operation ¹.

Purpose of the 3231749 Retaining Ring

The 3231749 Retaining Ring plays a specific role in the operation of a truck by securing components within the engine system. It is designed to hold parts such as bearings, gears, or other rotating elements in place, ensuring they function correctly and do not cause damage due to movement. This retaining ring supports the overall efficiency and reliability of the truck’s engine by maintaining the precise alignment and positioning of critical components ².

Key Features

The 3231749 Retaining Ring is crafted from high-quality materials, typically steel or stainless steel, to withstand the demanding conditions within a truck engine. Its design specifications include a specific diameter and thickness to fit precisely into the designated grooves. Additionally, the ring may feature unique attributes such as a corrosion-resistant coating to enhance durability and performance in various operating environments ³.

Benefits

Using the 3231749 Retaining Ring provides several benefits. It contributes to improved reliability by ensuring components remain securely in place, reducing the risk of mechanical failure. Enhanced performance is another advantage, as the secure fitting of parts allows for smoother operation and efficiency. Fleet operators may also experience potential cost savings due to reduced maintenance needs and extended component lifespan ⁴.

Installation Process

Proper installation of the 3231749 Retaining Ring involves several steps to ensure a secure fit. Begin by cleaning the groove where the ring will be placed to remove any debris or contaminants. Use appropriate tools, such as retaining ring pliers, to insert the ring into the groove. Ensure the ring is seated correctly and exerts the necessary radial force to hold the component in place. Following these best practices will help maintain the integrity and performance of the engine system.

Common Issues and Troubleshooting

Common issues with the 3231749 Retaining Ring may include wear, corrosion, or improper installation. Wear can occur over time due to continuous use, while corrosion may result from exposure to moisture or chemicals. Improper installation can lead to insufficient securing of components. Troubleshooting methods involve inspecting the ring for signs of damage, ensuring it is correctly seated, and replacing it if necessary to maintain engine performance.

Maintenance Tips

Regular maintenance checks for the 3231749 Retaining Ring are recommended to ensure longevity and optimal performance. Inspect the ring during routine engine maintenance for signs of wear or corrosion. Clean the groove and surrounding areas to prevent buildup that could affect the ring’s fit. Following these maintenance tips will help ensure the retaining ring continues to perform its function effectively.

About Cummins

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 innovation, quality, and reliability in the commercial truck industry. The company offers a wide range of products and services designed to meet the needs of customers worldwide, ensuring they can operate efficiently and effectively.

Cummins Retaining Ring 3231749 Compatibility

The Cummins Retaining Ring part number 3231749 is a critical component designed to fit seamlessly with various Cummins engine models. This retaining ring is engineered to ensure the proper functionality and longevity of the engines by securing specific parts in place. Here is a detailed look at the compatibility of this part with the listed engine models:

15N CM2380 M104B and B6.7 CM2350 B135B

The retaining ring 3231749 is compatible with both the 15N CM2380 M104B and B6.7 CM2350 B135B engines. These engines are part of the Cummins lineup known for their robust performance and reliability. The retaining ring ensures that the internal components remain securely positioned, preventing any unwanted movement that could lead to mechanical failure.

ISB/ISD6.7 CM2150 SN, ISBE CM2150, and ISBE4 CM850

The retaining ring 3231749 is also suitable for the ISB/ISD6.7 CM2150 SN, ISBE CM2150, and ISBE4 CM850 engines. These engines are widely recognized for their versatility and efficiency across various applications. The retaining ring plays a crucial role in maintaining the integrity of the engine’s internal mechanisms, ensuring smooth operation and reducing the risk of component wear.

QSK95 CM2350 K111 and QSK95 CM2350 K113

Lastly, the retaining ring 3231749 fits the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines. These engines are part of Cummins’ high-performance lineup, often used in demanding applications where reliability and power are paramount. The retaining ring’s role in these engines is to secure critical components, thereby enhancing the overall performance and durability of the engine.

By ensuring that the retaining ring 3231749 is correctly installed, engine owners can maintain the operational efficiency and longevity of their Cummins engines. This part is a testament to Cummins’ commitment to providing high-quality components that meet the rigorous demands of their engines.

Role of Part 3231749 Retaining Ring in Engine Systems

The Part 3231749 Retaining Ring is an essential component in various engine systems, ensuring the secure placement and operation of multiple parts.

In the camshaft assembly, the retaining ring holds the camshaft in place within the cylinder head, allowing for precise valve timing and operation. This ensures that the valves open and close at the correct intervals, which is vital for engine performance and efficiency.

Within the connecting rod and piston system, the retaining ring secures the piston pin, preventing it from dislodging during engine operation. This maintains the integrity of the piston’s movement, which is fundamental for converting the combustion energy into mechanical motion.

The cylinder head relies on the retaining ring to keep various components, such as sensors and valves, in their designated positions. This stability is necessary for maintaining the cylinder head’s sealing properties and ensuring optimal combustion chamber pressure.

In an engine piston kit, the retaining ring plays a role in securing piston rings and other small components, ensuring they remain in place and function correctly throughout the engine’s operation.

The flywheel housing and housing components utilize the retaining ring to secure the flywheel and other related parts. This is important for maintaining the flywheel’s balance and ensuring smooth engine operation.

For the flywheel, the retaining ring helps in securing it to the crankshaft, which is essential for storing rotational energy and smoothing out the power delivery from the engine.

In a service kit, the retaining ring is often included to replace worn-out rings, ensuring that all components remain securely in place during maintenance or repair procedures.

The power takeoff housing also benefits from the retaining ring by securing components that transfer power from the engine to auxiliary equipment, ensuring reliable and efficient power transmission.

Overall, the Part 3231749 Retaining Ring is a fundamental component in maintaining the structural integrity and operational efficiency of various engine systems.

Conclusion

The Cummins 3231749 Retaining Ring is a critical component in the maintenance and operation of commercial truck engines. By securely holding various parts in place, it ensures the structural integrity and efficiency of the engine system. Proper installation, regular maintenance, and understanding its role in different engine components are essential for maximizing the performance and longevity of the engine.