3690648
Studded Flange Cap Screw
Cummins®

Introduction

The Studded Flange Cap Screw 3690648, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins is renowned in the automotive industry for its commitment to quality and innovation. This screw plays a significant role in ensuring the reliability and performance of truck components, contributing to the overall efficiency and safety of commercial vehicles.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener that combines the features of a stud and a flanged bolt. It is designed to provide secure and stable connections in mechanical systems. The screw features a threaded stud that extends through a component and is secured with a nut on the opposite side. The flange at the end of the screw offers additional stability and prevents the screw from pulling through the material. In the context of a truck’s components, these screws are used to fasten various parts together, ensuring they remain securely in place under operational stress ¹.

Purpose and Role in Truck Operation

The 3690648 Studded Flange Cap Screw serves a specific purpose in the operation of a truck by securing and maintaining the integrity of various components. It is commonly used in applications where high tensile strength and resistance to vibration are required. By providing a robust connection, this screw helps to ensure that critical parts remain firmly attached, reducing the risk of failure or loosening over time. This is particularly important in commercial trucks, where components are subjected to significant stress and vibration during operation ².

Key Features

The 3690648 Studded Flange Cap Screw is characterized by several key features that enhance its performance and durability. Its design includes a threaded stud that allows for secure fastening with a nut, and a flange that provides additional stability. The screw is typically made from high-strength materials, such as alloy steel, which offers excellent resistance to corrosion and wear. Additionally, the screw may feature a coated surface to further protect against environmental factors and improve longevity ³.

Benefits

The use of the 3690648 Studded Flange Cap Screw offers several benefits for fleet operators. Its high tensile strength and resistance to vibration contribute to improved reliability and performance of truck components. The secure fastening provided by the screw helps to prevent loosening and failure, which can lead to potential safety issues and increased maintenance costs. Additionally, the durability of the screw can result in cost savings over time, as it reduces the need for frequent replacements and repairs ⁴.

Installation and Usage

Proper installation of the 3690648 Studded Flange Cap Screw is crucial for ensuring optimal performance. It is recommended to follow manufacturer guidelines for torque specifications to achieve the correct tension without over-tightening, which could damage the screw or the components being fastened. Best practices include using the appropriate tools and ensuring that all surfaces are clean and free of debris before installation. Regular inspection and maintenance can also help to identify any issues early and ensure continued reliable operation.

Troubleshooting and Maintenance

Common issues with the 3690648 Studded Flange Cap Screw may include loosening, corrosion, or damage due to wear. Troubleshooting these issues involves inspecting the screw and surrounding components for signs of wear or damage, and addressing any issues promptly. Maintenance tips include regular cleaning and inspection, as well as replacing screws that show signs of significant wear or corrosion. Proper storage and handling of replacement screws can also help to prolong their lifespan and ensure reliable performance.

Cummins Overview

Cummins is a renowned manufacturer in the automotive industry, with a history of innovation and quality in the production of automotive components. The company is known for its commitment to developing reliable and high-performance parts that meet the demanding requirements of commercial vehicle applications. Cummins’ reputation for quality and durability is built on a foundation of rigorous testing, advanced manufacturing techniques, and a dedication to customer satisfaction.

Cummins Studded Flange Cap Screw 3690648 in Engine Applications

The Studded Flange Cap Screw 3690648, manufactured by Cummins, is a critical component in several engine configurations. This part is integral to the assembly and operation of the engines, ensuring secure fastening and stability. Here’s how it fits into the specified engines:

L9 CM2670 L128B

In the L9 CM2670 L128B engine, the Studded Flange Cap Screw 3690648 is used in various applications where secure fastening is paramount. This includes securing flanges and other critical components, ensuring that the engine operates smoothly and efficiently. The screw’s design allows for easy installation and removal, making it a reliable choice for maintenance and repairs.

QSX15 CM2350 X105

For the QSX15 CM2350 X105 engine, the Studded Flange Cap Screw 3690648 plays a crucial role in maintaining the structural integrity of the engine. It is used to fasten various parts, including those that are exposed to high stress and vibration. The studded design of the screw provides additional grip and stability, which is essential for the longevity and performance of the engine.

Both engines benefit from the use of this part due to its robust construction and the precision with which it is manufactured. The screw’s compatibility with these engines ensures that it can withstand the demanding conditions under which these engines operate, contributing to their overall reliability and efficiency.

Role of Part 3690648 Studded Flange Cap Screw in Engine Systems

The Part 3690648 Studded Flange Cap Screw is integral to the secure assembly and operation of various engine components.

Harness Assembly

In the context of the harness, the Studded Flange Cap Screw ensures that the wiring is firmly attached to the engine frame. This secure attachment is essential for maintaining the integrity of the electrical connections, which are vital for the proper functioning of the engine’s electronic systems. The screw’s design allows for a robust connection that can withstand the vibrations and movements inherent in engine operation.

Electronic Control Module (ECM) Wiring

For the ECM wiring, the Studded Flange Cap Screw plays a significant role in securing the wiring to the engine block or other structural components. This secure attachment is necessary to prevent any potential damage to the wiring from engine vibrations or movement. It also ensures that the electrical connections remain stable, which is essential for the accurate and reliable transmission of data between the ECM and various engine sensors and actuators.

Mounting Applications

When used in mounting applications, the Studded Flange Cap Screw provides a strong and reliable connection between the engine components and the engine frame. This is particularly important for components that experience significant stress or movement during engine operation. The screw’s studded flange design enhances the stability and durability of the mounting, ensuring that the components remain securely in place.

Lifting Brackets

In the case of lifting brackets, the Studded Flange Cap Screw is used to attach the bracket to the engine or other heavy components. This secure attachment is vital for safe and efficient engine handling during maintenance or transportation. The screw’s design ensures that the bracket can withstand the significant loads and stresses associated with lifting and moving heavy engine components.

Conclusion

The 3690648 Studded Flange Cap Screw by Cummins is a critical component in the assembly and operation of commercial truck engines. Its robust construction, high tensile strength, and resistance to vibration make it an essential part for ensuring the reliability and performance of truck components. Proper installation, regular maintenance, and timely replacement of worn screws are key to maximizing the benefits of this part and ensuring the continued efficiency and safety of commercial vehicles.