3689542
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, part number 3689542, manufactured by Cummins, is a specialized fastener designed for heavy-duty truck applications. This screw is integral to the assembly and maintenance of various truck components, ensuring secure and reliable fastening. Its robust design and high-quality construction make it suitable for demanding environments, contributing to the overall performance and durability of heavy-duty trucks.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into softer materials. In heavy-duty trucks, cap screws like the 3689542 are used to fasten critical components, ensuring they remain securely in place under significant stress and vibration.

Purpose and Role in Truck Operation

The 3689542 Hexagon Flange Head Cap Screw plays a specific role in the operation of heavy-duty trucks by securing components that are subject to high loads and vibrations. It is commonly used in applications where a strong, reliable fastening solution is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. By providing a secure connection, this screw helps maintain the integrity and performance of the truck’s structure and systems.

Key Features

The 3689542 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise torque application. Its flanged design enhances load distribution and prevents the screw from embedding into the material being fastened. Constructed from high-strength materials, this screw offers excellent resistance to corrosion and wear, ensuring long-lasting performance in harsh operating conditions. These features collectively enhance the screw’s reliability and effectiveness in heavy-duty applications.

Benefits

The 3689542 Hexagon Flange Head Cap Screw offers several benefits, including improved torque application due to its hexagonal head, which allows for secure and consistent tightening. The flange provides additional stability and load distribution, reducing the risk of the screw loosening over time. Its durable construction ensures resistance to corrosion and wear, contributing to the longevity and reliability of the fastening solution in heavy-duty truck environments.

Installation and Usage

Proper installation of the 3689542 Hexagon Flange Head Cap Screw involves adhering to specified torque values to ensure a secure and reliable connection. It is important to use the correct tools and follow best practices to avoid over-tightening or under-tightening, which can compromise the integrity of the fastening. This screw is suitable for various applications within truck maintenance and repair, particularly in scenarios where high strength and reliability are required.

Troubleshooting and Maintenance

Common issues with the 3689542 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues promptly. Ensuring that the screw is properly torqued and protected from environmental factors can enhance its longevity and performance. In cases of corrosion, cleaning and reapplying a protective coating may be necessary to maintain the screw’s integrity.

Cummins Overview

Cummins is a renowned manufacturer with a long-standing reputation in the automotive and heavy-duty truck industries. Known for their commitment to quality and innovation, Cummins produces a wide range of components designed to meet the demanding requirements of heavy-duty applications. Their focus on reliability, performance, and durability is evident in their products, including the 3689542 Hexagon Flange Head Cap Screw, which exemplifies their dedication to excellence in automotive components.

Hexagon Flange Head Cap Screw (Part 3689542) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3689542, is a critical component in several Cummins engine models. This screw is designed to provide secure fastening in various engine applications, ensuring that components remain tightly secured under operational stresses.

ISX15 CM2250 and ISX15 CM2250 SN

In the ISX15 CM2250 and ISX15 CM2250 SN engines, the 3689542 screw is utilized in several critical areas. It is often used for securing engine covers, ensuring that the engine’s internal components are protected from external contaminants. Additionally, it plays a role in fastening various engine accessories, maintaining the integrity of the engine’s overall structure.

ISX15 CM2350 X101

For the ISX15 CM2350 X101 engine, the 3689542 screw is employed in similar applications as in the ISX15 CM2250 models. It is used to secure engine covers and accessories, providing a reliable fastening solution that can withstand the operational demands of this engine model.

QSX15 CM2250 ECF and QSX15 CM2350 X105

In the QSX15 CM2250 ECF and QSX15 CM2350 X105 engines, the 3689542 screw is integral to the fastening of various engine components. Its use in these engines ensures that critical parts, such as engine covers and accessory mounts, are securely fastened, contributing to the engine’s overall durability and performance.

X15 CM2350 X116B, X15 CM2350 X123B, X15 CM2450 X134B

The 3689542 screw is also a key component in the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B engines. In these models, it is used to secure a variety of engine parts, including covers and accessories. Its design ensures that these components remain tightly fastened, even under the high stresses encountered during engine operation.

Role of Part 3689542 Hexagon Flange Head Cap Screw in Engine Systems

Drive System Integration

In the drive system, the part 3689542 Hexagon Flange Head Cap Screw is instrumental in securing various components that transmit power from the engine to the wheels. This includes fastening the driveshaft to the differential, ensuring a stable and reliable connection. Additionally, it is used in securing the universal joints, which allow for smooth and consistent power transfer despite the varying angles and movements of the driveshaft.

Rear Gear Train Accessory

Within the rear gear train accessory, the part 3689542 Hexagon Flange Head Cap Screw plays a significant role in maintaining the structural integrity of the gear housing. It is employed to fasten the cover plates and housing components, ensuring that the gears remain properly aligned and enclosed. This screw also secures the mounting brackets for auxiliary components, such as the rear differential and limited-slip differential, contributing to the overall stability and performance of the gear train.

Conclusion

The 3689542 Hexagon Flange Head Cap Screw is a vital component in heavy-duty truck applications, providing secure and reliable fastening for critical components. Its robust design, high-quality construction, and resistance to corrosion and wear make it an essential part in maintaining the performance and durability of heavy-duty trucks. Proper installation, regular maintenance, and adherence to torque specifications are crucial to ensure the longevity and effectiveness of this Cummins part in various engine and drive system applications.