4922241
Captive Washer Cap Screw
Cummins®

The 4922241 Captive Washer Cap Screw by Cummins is a specialized fastener designed for heavy-duty truck applications. Its purpose is to provide secure fastening of components, ensuring structural integrity and reliable performance under demanding conditions.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw is a type of fastener that incorporates a washer within the screw head. This design ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the fastening process ¹. In the automotive industry, these screws are commonly used to secure various components, offering enhanced stability and resistance to vibration.

Purpose of the 4922241 Captive Washer Cap Screw

This Cummins part plays a specific role in the operation of heavy-duty trucks. It is used to secure critical components, ensuring they remain firmly in place despite the rigors of heavy-duty use. This screw helps maintain structural integrity, preventing components from loosening or detaching, which could lead to operational issues or safety concerns.

Key Features

The 4922241 Captive Washer Cap Screw features a robust design that includes an integrated washer, which enhances its performance. It is made from high-quality materials, ensuring durability and resistance to corrosion. The screw’s design allows for easy installation and reliable fastening, making it a preferred choice for heavy-duty applications.

Benefits

Using the 4922241 Captive Washer Cap Screw offers several benefits. Its design improves reliability by ensuring that the washer stays in place, reducing the likelihood of fastening failure. The ease of installation speeds up maintenance and repair processes. Additionally, the screw’s durable construction enhances the longevity of the fastening, providing consistent performance over time.

Installation Process

Proper installation of the 4922241 Captive Washer Cap Screw involves several steps. First, ensure the surface is clean and free of debris. Align the screw with the designated hole and begin threading it in by hand to avoid cross-threading. Use a torque wrench to tighten the screw to the manufacturer’s specified torque, ensuring it is secure without over-tightening, which could damage the screw or the component being fastened.

Troubleshooting and Maintenance

Common issues with the 4922241 Captive Washer Cap Screw include signs of wear, corrosion, or failure. Regular inspections can help identify these issues early. If corrosion is present, cleaning the affected area and applying a corrosion-resistant coating can help ². Replacing worn or failed screws promptly ensures continued reliability and safety.

Common Applications

The 4922241 Captive Washer Cap Screw is typically used in various heavy-duty truck applications. It secures components such as engine mounts, transmission housings, and chassis parts. Its versatility and reliability make it a valuable fastener in maintaining the structural integrity of these critical systems.

Safety Considerations

When working with the 4922241 Captive Washer Cap Screw, it is important to follow safety considerations. Proper handling and storage of the screws prevent damage and ensure they are ready for use. Adhering to torque specifications during installation avoids over-tightening, which could lead to component failure. Regular inspections are crucial to identify and address any issues promptly, maintaining the safety and performance of the truck.

Cummins Part 4922241: Captive Washer Cap Screw in Engine Applications

The Cummins part 4922241, a Captive Washer Cap Screw, is a critical component in various engine configurations. This part is integral to the assembly and maintenance of several Cummins engines, ensuring secure fastening and stability.

K19 Series

The K19 engine series benefits from the Captive Washer Cap Screw in maintaining the integrity of its components. This screw is used in various applications within the engine, ensuring that parts remain tightly fastened and aligned.

KTA19GC Series

In the KTA19GC series, the Captive Washer Cap Screw is employed in several configurations, including the KTA19GC CM558. This screw is crucial for securing components that require precise alignment and fastening, contributing to the engine’s overall performance and durability.

QSK19 Series

The QSK19 series engines, such as the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, and QSK19 CM850 MCRS, utilize the Captive Washer Cap Screw in multiple applications. This screw is essential for fastening various parts within the engine, ensuring that they remain securely in place under operational stresses.

QSK19G Series

The QSK19G engine also incorporates the Captive Washer Cap Screw in its design. This screw is used in critical areas of the engine, providing the necessary fastening and stability to maintain the engine’s structural integrity.

Role of Part 4922241 Captive Washer Cap Screw in Engine Systems

The Part 4922241 Captive Washer Cap Screw is integral to the assembly and secure functioning of various engine components. It is utilized in fastening the Base Parts to the Block, ensuring a stable and vibration-resistant connection. This screw is also essential in attaching the Cylinder to the Cover, maintaining the structural integrity and alignment necessary for optimal engine performance.

In the context of the Front Gear and Engine Mounting, the Part 4922241 Captive Washer Cap Screw plays a significant role. It secures the Front Engine Mounting to the Front Engine Support, providing the necessary tension and stability to withstand the dynamic forces generated during engine operation.

Furthermore, this screw is employed in the Gear Cover Mounting, where it ensures that the gear cover remains firmly in place, protecting internal components from debris and ensuring smooth operation of the gear system.

The Package and Guard components also benefit from the secure fastening provided by this screw. It helps in maintaining the alignment and protection of sensitive engine parts, contributing to the overall durability and reliability of the engine system.

Conclusion

In summary, the Part 4922241 Captive Washer Cap Screw is a key component in the secure assembly and stable operation of various engine parts, including the Base, Support, and Front Engine components. Its role in ensuring proper alignment and structural integrity is fundamental to the efficient and reliable performance of the engine system.