3641728
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, specifically Part #3641728 by Cummins, is a vital component in the realm of heavy-duty trucks. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is designed to provide reliable fastening solutions, ensuring the integrity and performance of truck assemblies.

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 distributes the load over a larger area, reducing the risk of the screw pulling through the material. In a truck’s assembly, this screw plays a role in securing various components, ensuring they remain firmly in place under operational stresses ¹.

Purpose and Role in Truck Operation

This Cummins part is specifically engineered to play a significant role in the operation and maintenance of heavy-duty trucks. It is used in applications where secure fastening is required to withstand vibrations, dynamic loads, and environmental conditions. By providing a stable and reliable connection, this screw helps maintain the structural integrity of critical truck components, contributing to overall vehicle performance and safety ².

Key Features

The 3641728 boasts several key features that enhance its functionality and reliability. Its hexagonal head design allows for easy and precise torque application, ensuring consistent fastening. The flange beneath the head provides additional surface area for load distribution, reducing the likelihood of the screw pulling through the material. Additionally, the screw is made from high-quality materials, offering excellent resistance to corrosion and wear, which is crucial for long-term durability in harsh operating environments ³.

Benefits

This part offers a range of benefits that make it an ideal choice for heavy-duty truck applications. Its design enhances fastening security, providing a robust connection that can withstand significant vibrational forces. The flange feature ensures even load distribution, minimizing the risk of material failure. Furthermore, the screw’s ease of installation and removal simplifies maintenance procedures, allowing for quick and efficient repairs or adjustments.

Installation and Usage

Proper installation of the 3641728 is crucial to ensure its effectiveness and longevity. It is recommended to use the appropriate torque specifications provided by Cummins to achieve the correct fastening tension. This ensures that the screw is securely fastened without over-tightening, which could lead to damage. Additionally, using the correct tools and following recommended practices during installation will help maintain the screw’s integrity and performance.

Troubleshooting and Maintenance

To ensure the longevity and performance of the 3641728, regular maintenance and troubleshooting are necessary. Inspecting the screw for signs of wear, corrosion, or loosening can help identify potential issues before they become critical. If any problems are detected, it is important to address them promptly by tightening the screw to the specified torque or replacing it if necessary. Additionally, keeping the screw and surrounding areas clean and free of debris will help prevent premature wear and corrosion.

Cummins Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive and heavy-duty truck industries. Founded in 1919, Cummins has a long history of innovation and commitment to quality. The company is known for its robust and reliable products, which are designed to meet the rigorous demands of heavy-duty applications. Cummins’ dedication to research and development ensures that their components, including the 3641728, continue to evolve and provide superior performance and durability.

Hexagon Flange Head Cap Screw (Part 3641728) in Cummins Engines

The Hexagon Flange Head Cap Screw, identified by the part number 3641728, is a critical component in several Cummins engine models. This part is integral to the assembly and functionality of the engines, ensuring secure fastening and stability.

Application in Cummins Engines

QSK38 CM2150 MCRS and QSK50 CM2150 MCRS

In the QSK38 CM2150 MCRS and QSK50 CM2150 MCRS engines, the 3641728 screw is utilized in various applications where a robust and reliable fastening solution is required. These engines are part of the Cummins QSK series, known for their high performance and durability in demanding environments. The screw’s design allows for precise alignment and secure fastening, which is crucial for maintaining the integrity of engine components under high stress and operational conditions.

QSK50 CM2350 K108

The QSK50 CM2350 K108 engine also incorporates the 3641728 screw in its construction. This engine is part of the Cummins QSK series, designed for heavy-duty applications. The screw’s flange head provides a large bearing surface, distributing the load evenly and preventing damage to the fastened parts. Its hexagon shape ensures a secure grip, which is essential for the engine’s operation, especially in high-torque scenarios.

Importance of the Screw in Engine Assembly

The 3641728 screw is pivotal in the assembly of these engines, ensuring that various components are securely fastened together. This is particularly important in the high-stress environments these engines operate in, where any failure in fastening could lead to significant operational issues or even engine failure. The screw’s design and material properties make it suitable for these demanding applications, providing the necessary strength and reliability.

Role of Part 3641728 Hexagon Flange Head Cap Screw in Engine Systems

In the context of engine systems, the part 3641728 Hexagon Flange Head Cap Screw is integral to the secure assembly and reliable operation of various components.

Pan Assembly

Within the pan assembly, the Hexagon Flange Head Cap Screw is employed to fasten the pan to the engine block. This secure attachment is essential for maintaining the integrity of the oil reservoir. The screw’s design ensures a tight seal, preventing oil leaks which could lead to engine damage or inefficient lubrication. Additionally, the flange head provides a larger surface area for distribution of clamping force, reducing the risk of stripping or damaging the pan material.

Oil System Components

In the oil system, the Hexagon Flange Head Cap Screw is used in the attachment of oil filters, pressure relief valves, and other critical components. Its robust design allows for secure fastening under the high pressures and temperatures typical in oil systems. The flange head also offers an anti-rotation feature, which helps maintain the alignment of components, ensuring optimal performance and longevity of the oil filtration and pressure regulation systems.

Overall, the utilization of the Hexagon Flange Head Cap Screw in these engine components underscores its importance in maintaining structural integrity and operational efficiency.

Conclusion

The 3641728 Hexagon Flange Head Cap Screw by Cummins is a critical component in heavy-duty truck and engine assemblies. Its design, featuring a hexagonal head and flange, ensures secure and reliable fastening, which is essential for the integrity and performance of truck and engine components. The screw’s key features, including easy torque application, even load distribution, and resistance to corrosion and wear, make it an ideal choice for demanding applications. Proper installation, regular maintenance, and prompt troubleshooting are essential to ensure the longevity and performance of this part. Cummins’ reputation for quality and innovation further underscores the reliability and effectiveness of the 3641728 in heavy-duty applications.