3924490
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3924490, is a component manufactured by Cummins, a prominent entity in the commercial truck industry. This screw is significant in truck maintenance due to its robust design and reliable performance. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of commercial truck operations.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area for distribution of clamping force. In a truck’s mechanical system, this screw plays a role in securely fastening components, ensuring they remain in place under various operational stresses ¹.

Purpose and Role in Truck Operation

This Cummins part is integral to the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. This includes, but is not limited to, engine components, transmission systems, and chassis assemblies. The screw’s design ensures that it can withstand high levels of stress and vibration, common in truck operations, thereby contributing to the overall reliability and safety of the vehicle ².

Key Features

The 3924490 features a hexagonal head that facilitates easy and precise tool engagement. The flange beneath the head enhances the screw’s ability to distribute clamping force evenly across the fastened surfaces, reducing the risk of component warping or damage. Additionally, the screw is composed of high-strength materials, ensuring durability and resistance to corrosion, which is vital in the often harsh environments trucks operate in ³.

Benefits

Using this part in truck maintenance offers several advantages. Its design contributes to improved fastening security, making it less likely for components to become loose during operation. The screw’s resistance to vibration ensures that fastenings remain tight over time, even under the dynamic conditions trucks experience. Furthermore, the ease of installation and removal of this screw simplifies maintenance procedures, allowing for quicker and more efficient service.

Troubleshooting and Maintenance

To ensure the longevity and optimal performance of the 3924490, regular inspection is recommended. Look for signs of corrosion, wear, or damage that could compromise the screw’s integrity. In cases where issues are identified, replacement of the screw is advised to maintain the security and reliability of the fastened components. Adhering to manufacturer-recommended maintenance schedules can help prevent unexpected failures.

Installation Procedures

Proper installation of the 3924490 is crucial for its performance and the integrity of the fastened components. Begin by ensuring the mating surfaces are clean and free of debris. Use the appropriate tool to engage the hexagonal head, applying torque according to the specified guidelines to achieve the correct clamping force without over-tightening. Following best practices during installation, such as using a torque wrench, helps avoid common errors and ensures the screw functions as intended.

Common Applications

The 3924490 finds application in a variety of commercial truck systems. Its versatility makes it suitable for use in engine assemblies, where it secures critical components, and in transmission systems, where it ensures the integrity of gear housings and other parts. Additionally, it is used in chassis assemblies to fasten components that are subject to significant stress and vibration.

Cummins: A Brief 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 has established itself as a trusted name in the commercial truck industry. The company’s commitment to quality, innovation, and customer satisfaction is evident in its wide range of truck components, including the 3924490. Cummins continues to lead the industry with advanced technologies and solutions that enhance the performance and reliability of commercial vehicles.

Application in Cummins Engines

6C8.3 and C8.3 G Engines

The Hexagon Flange Head Cap Screw, part number 3924490, is utilized in both the 6C8.3 and C8.3 G engines. These engines are known for their durability and performance in various industrial and commercial applications. The screw’s design ensures that it can withstand the high stresses and operational conditions these engines encounter.

Grouping of Engines

The 6C8.3 and C8.3 G engines share several common features, making them suitable for similar applications. The use of the same Hexagon Flange Head Cap Screw in both engines highlights the importance of this component in maintaining the structural integrity and operational efficiency of these engines.

The screw’s flange head provides a large surface area for torque application, ensuring a tight and secure fit. This is particularly important in engine applications where vibrations and thermal expansion can otherwise lead to loosening of fasteners. The hexagon shape of the head allows for efficient use of wrenches or sockets, facilitating easier and more precise tightening.

Role of Part 3924490 in Engine Systems

The part 3924490 is instrumental in securing and maintaining the integrity of various engine components. Its design allows for efficient torque transmission and reliable fastening, which is essential for the smooth operation of engine systems.

Cover Assembly

In the cover assembly, the Hexagon Flange Head Cap Screw ensures that the cover remains firmly attached to the engine block. This secure attachment is vital for maintaining the engine’s structural stability and preventing any unwanted vibrations that could lead to component misalignment or failure. The screw’s flange head provides additional surface area for torque application, enhancing the fastening strength.

Front Gear Integration

When integrating the front gear into the engine system, the Hexagon Flange Head Cap Screw plays a significant role in holding the gear in place. This is particularly important for gears that experience high rotational speeds and loads. The screw’s robust design helps in distributing the load evenly, reducing the risk of gear slippage or damage. Moreover, the flange head offers extra resistance against loosening, ensuring the gear remains securely fastened throughout operation.

Front Gear Cover Attachment

For the front gear cover, the Hexagon Flange Head Cap Screw is used to attach the cover to the engine housing. This attachment is essential for protecting the front gear and other internal components from debris and contaminants. The screw’s design allows for easy installation and removal, facilitating maintenance procedures. Additionally, the flange head provides a larger contact area, which enhances the screw’s ability to withstand the forces exerted during engine operation.

Conclusion

The 3924490 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, reliable performance, and ease of use make it an indispensable part in ensuring the structural integrity and operational efficiency of various truck and engine components. Regular maintenance and proper installation procedures are essential to maximize the benefits of this screw and ensure the longevity and reliability of the fastened components.