3924584
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3924584, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring the secure fastening of various components. Cummins is renowned for its commitment to quality and innovation, making this screw a reliable choice for truck operators and maintenance professionals.

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 to distribute the load and prevent the screw from sinking into softer materials. In a truck’s mechanical system, these screws are used to fasten components securely, ensuring structural integrity and reliable operation.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of a truck by securely fastening various components. It is commonly used in applications where high torque and resistance to loosening are required. This includes fastening engine components, chassis parts, and other critical assemblies. The screw’s design ensures that it can withstand the vibrations and stresses encountered in heavy-duty truck operations, contributing to the overall reliability and safety of the vehicle.

Key Features

The 3924584 boasts several key features that enhance its performance and reliability. Its hexagonal head design allows for precise and efficient torque application, reducing the risk of cam-out during installation. The flange beneath the head provides additional surface area, which helps distribute the load and prevents the screw from sinking into softer materials. Additionally, the screw is made from high-quality materials that offer excellent durability and resistance to corrosion, ensuring long-lasting performance in demanding environments.

Benefits

This part offers several benefits that make it a preferred choice for truck operators and maintenance professionals. Its enhanced durability ensures that it can withstand the rigors of heavy-duty truck operations, reducing the need for frequent replacements. The improved torque application provided by the hexagonal head design allows for secure fastening, minimizing the risk of loosening over time. Furthermore, the screw’s resistance to corrosion ensures that it maintains its integrity in various environmental conditions, contributing to the overall reliability of the truck.

Installation Process

Proper installation of the 3924584 is crucial to ensure optimal performance and longevity. Begin by selecting the appropriate size and grade of screw for the application. Use a torque wrench to apply the recommended torque specification, ensuring that the screw is tightened to the manufacturer’s specifications. It is important to avoid over-tightening, as this can lead to damage to the screw or the surrounding components. Additionally, ensure that the flange is seated properly to distribute the load effectively and prevent the screw from sinking into softer materials.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening, corrosion, and damage due to over-tightening. To troubleshoot these issues, regularly inspect the screws for signs of wear, corrosion, or loosening. If a screw appears loose, re-tighten it to the manufacturer’s specifications using a torque wrench. In cases of corrosion, consider replacing the screw to prevent further degradation. Additionally, practicing proper maintenance by keeping the screw and surrounding areas clean and free of debris can help prolong its lifespan and ensure reliable operation.

Cummins: Manufacturer Overview

Cummins is a globally recognized leader in the automotive industry, with a rich history of innovation and quality manufacturing. Founded in 1919, Cummins has built a reputation for producing reliable and high-performance components for commercial trucks and other heavy-duty applications. The company’s commitment to quality is evident in its rigorous testing and quality control processes, ensuring that each component, including the 3924584, meets the highest standards of performance and durability. Cummins continues to invest in research and development, driving innovation and setting new benchmarks in the industry ¹.

Compatibility with Cummins Engines

The Hexagon Flange Head Cap Screw part number 3924584, manufactured by Cummins, is a versatile component that fits a variety of Cummins engines. This screw is designed to provide a secure and reliable fastening solution, ensuring that engine components remain tightly secured during operation.

ISB Series Engines

The ISB series engines, including the ISB CM550, ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, and ISB5.9G CM2180, are compatible with the 3924584 screw. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The screw’s design ensures that it can withstand the stresses and vibrations inherent in these engines, providing a stable and long-lasting connection.

ISX Series Engines

The ISX series engines, such as the ISX CM570, ISX CM870, and ISX CM871, also benefit from the use of the 3924584 screw. These engines are typically used in on-highway and vocational applications, where durability and efficiency are paramount. The screw’s flange head and hexagon socket provide a secure fit, ensuring that components remain properly aligned and fastened.

QSB Series Engines

The QSB series engines, including the QSB5.9 CM2880 B115, QSB5.9 CM850, and QSB5.9G, are another group of engines that can utilize the 3924584 screw. These engines are often used in off-highway applications, such as construction and agricultural equipment. The screw’s design allows for easy installation and removal, making it ideal for the frequent maintenance and servicing required in these environments.

Role in Engine Systems

The 3924584 is integral to the secure assembly and operation of various engine components. Its design allows for a robust connection that can withstand significant stress and vibration, making it suitable for use in dynamic environments.

Adapter

In the context of an adapter, the Hexagon Flange Head Cap Screw ensures a tight and reliable connection between different components. This is essential for maintaining the integrity of fluid or gas flow paths, as well as ensuring that mechanical connections remain stable under operational conditions.

Front Drive

For the front drive system, this screw plays a role in securing components that transmit power from the engine to the wheels. Its flange head provides additional surface area for torque application, reducing the risk of loosening over time.

Damper

When used with a damper, particularly a vibration damper, the screw helps in maintaining the alignment and stability of the damper assembly. This is important for reducing engine vibrations and ensuring smooth operation.

Vibration

In vibration control systems, the Hexagon Flange Head Cap Screw is often used to secure vibration isolators or mounts. These mounts need to be firmly attached to effectively absorb and dissipate vibrations, thereby protecting sensitive engine components from undue stress.

Lever

For lever mechanisms, such as those found in various control systems, this screw ensures that the lever is securely attached to its pivot point. This is vital for precise control and operation, especially in systems where exact movements are required.

Rocker

In rocker systems, the screw is used to attach the rocker arm to its pivot or mounting point. This secure attachment is necessary for the rocker to function correctly, transferring motion efficiently within the engine.

Rocker Lever Assembly

Within a rocker lever assembly, the Hexagon Flange Head Cap Screw ensures that all components are held together firmly. This is essential for the assembly to operate smoothly and reliably, transferring motion from the camshaft to the valves.

Vibration Damper

Finally, in the vibration damper, the screw helps in securing the damper to the crankshaft or other rotating components. This secure attachment is necessary for the damper to effectively reduce vibrations, contributing to the overall stability and longevity of the engine.

Conclusion

The 3924584 Hexagon Flange Head Cap Screw is a critical component for securing various parts within Cummins engines. Its compatibility with the ISB, ISX, and QSB series engines ensures that it can be used across a wide range of applications, from heavy-duty to vocational and off-highway uses. This screw’s design and material make it a reliable choice for maintaining the integrity and performance of Cummins engines.