4007194
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4007194, is a component manufactured by Cummins. This screw is significant in the context of heavy-duty trucks due to its role in securing various components and ensuring structural integrity. Cummins, a well-established name in the automotive and heavy-duty truck industries, produces this part to meet the demanding requirements of these vehicles.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head, a flange, and a threaded shank. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute loads more evenly. These screws are typically made from high-strength materials such as alloy steel, which offer superior durability and resistance to wear and tear. In the automotive industry, they are commonly used to fasten components that require high tensile strength and resistance to loosening ¹.

Functionality and Operation

Within the context of a heavy-duty truck, the Hexagon Flange Head Cap Screw operates by securely fastening components together. Its design allows it to withstand significant stress and vibration, which are common in heavy-duty applications. By providing a robust connection, it helps maintain the structural integrity of the truck, ensuring that components remain securely in place under various operating conditions ².

Purpose of Part #4007194

The Cummins Hexagon Flange Head Cap Screw (Part #4007194) is utilized in several critical areas of heavy-duty trucks. It is commonly found in engine assemblies, where it helps secure engine components that are subject to high stress and vibration. Additionally, it is used in chassis components, contributing to the overall stability and durability of the truck. Its applications extend to other areas where secure fastening is required to ensure the truck’s performance and safety.

Key Features

The Hexagon Flange Head Cap Screw boasts several distinctive characteristics that enhance its performance and reliability. The hexagonal head design allows for easy and efficient torque application, reducing the risk of stripping or rounding. The flange feature provides a larger bearing surface, which helps distribute loads more evenly and reduces the likelihood of the screw pulling through the material. Its cap screw functionality ensures a secure and permanent fastening solution, making it ideal for heavy-duty applications.

Benefits

The advantages offered by the Hexagon Flange Head Cap Screw include enhanced fastening strength, resistance to loosening, and improved load distribution. These features contribute to the overall durability and safety of the truck. The screw’s design ensures that components remain securely fastened, even under extreme conditions, which is vital for the reliable operation of heavy-duty trucks.

Installation Guidelines

Proper installation of the Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance and longevity. The installation process should follow these steps:

1. Ensure the mating surfaces are clean and free of debris.
2. Use the appropriate tool to apply torque to the screw. Torque specifications should be followed to avoid over-tightening or under-tightening.
3. Check the screw periodically to ensure it remains securely fastened.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include corrosion, over-tightening, and loosening. To address these problems:

• Inspect screws regularly for signs of corrosion and clean as necessary.
• Use torque wrenches to ensure screws are tightened to the manufacturer’s specifications.
• Replace screws that show signs of wear or damage to maintain the integrity of the fastening.

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 has established a reputation for quality and reliability in the automotive and heavy-duty truck industries. The company’s product offerings include a wide range of components and systems designed to meet the demanding requirements of these sectors.

Hexagon Flange Head Cap Screw (Part 4007194) in Cummins Engines

The Cummins part number 4007194, a Hexagon Flange Head Cap Screw, is a critical component in the assembly and maintenance of various Cummins engines, including the KTA19GC CM558 and QSK78 CM500 models. This part is designed to provide a secure fastening solution, ensuring that engine components remain tightly secured under operational stresses.

Application in KTA19GC CM558

In the KTA19GC CM558 engine, the Hexagon Flange Head Cap Screw is utilized in several key areas. It is often employed in securing engine covers, housings, and other structural components. The screw’s flange head design allows for a larger bearing surface, distributing the load more evenly and preventing localized stress that could lead to failure. This is particularly important in the high-stress environment of an engine, where vibrations and thermal expansion can place significant strain on fasteners.

Application in QSK78 CM500

Similarly, in the QSK78 CM500 engine, the Hexagon Flange Head Cap Screw serves a vital role in maintaining the integrity of the engine assembly. This engine, known for its robust performance, requires reliable fasteners to ensure that all parts remain securely fastened during operation. The screw’s design facilitates easy installation and removal, which is crucial during routine maintenance and repairs. The hexagonal shape of the head allows for efficient use of standard wrenches and sockets, streamlining the maintenance process.

Common Features and Benefits

Both engines benefit from the use of the Hexagon Flange Head Cap Screw due to its several advantageous features:

• Durability: Made from high-strength materials, this screw can withstand the harsh conditions within an engine, including high temperatures and vibrations.
• Precision: The screw’s precise threading ensures a tight and secure fit, preventing loosening over time.
• Versatility: The flange head design is versatile and can be used in various applications within the engine, from securing covers to fastening internal components.

By integrating the Hexagon Flange Head Cap Screw into their designs, Cummins ensures that both the KTA19GC CM558 and QSK78 CM500 engines maintain their structural integrity and operational efficiency.

Role of Part 4007194 Hexagon Flange Head Cap Screw in Engine Systems

The 4007194 Hexagon Flange Head Cap Screw is an essential component in the assembly and maintenance of various engine systems, particularly in the arrangement and turbocharger components.

Arrangement

In the arrangement of engine components, the 4007194 Hexagon Flange Head Cap Screw provides secure fastening of parts that require robust and reliable connections. Its design ensures that components remain firmly in place under high stress and vibration conditions commonly encountered in engine operations. This screw is often used to attach brackets, mounts, and other structural elements that support the engine’s layout. The flange head offers additional surface area for distribution of clamping force, reducing the risk of stripping or damaging the fastened material.

Turbocharger

Within the turbocharger system, the 4007194 Hexagon Flange Head Cap Screw plays a significant role in maintaining the integrity of the turbocharger’s housing and internal components. Turbochargers operate under extreme conditions, with high temperatures and pressures. The screw ensures that the turbocharger’s components, such as the turbine and compressor wheels, are securely fastened to their respective housings. This is vital for the turbocharger’s efficiency and durability, as any looseness can lead to performance issues or even catastrophic failure. The flange head also aids in preventing rotation of the screw during tightening, which is beneficial in high-torque applications typical in turbocharger assemblies.

Conclusion

The Hexagon Flange Head Cap Screw, part number 4007194, is a critical component in the automotive and heavy-duty truck industries. Its design and features make it ideal for securing components in high-stress environments, ensuring the structural integrity and reliable operation of heavy-duty trucks and engines. Proper installation and maintenance of this part are essential to maximize its benefits and ensure the longevity of the components it secures.