3863494
Hexagon Flange Head Cap Screw
Cummins®

The Hexagonal Flange Head Cap Screw, identified by part number 3863494, is a specialized fastener designed for use in heavy-duty trucks. Manufactured by Cummins, a renowned name in the automotive and heavy-duty truck industries, this screw is integral to the secure assembly and maintenance of various truck components. Its robust design and high-quality materials make it a reliable choice for demanding applications.

Basic Concepts

Hexagonal Flange Head Cap Screws are characterized by their hexagonal head, which provides a larger surface area for gripping tools, and a flange that distributes load and resists loosening. These screws are typically made from materials such as alloy steel or stainless steel, chosen for their strength and resistance to corrosion. In the automotive industry, they are commonly used to secure critical components, ensuring both structural integrity and longevity ¹.

Purpose and Function

The 3863494 Hexagonal Flange Head Cap Screw plays a significant role in the operation of a truck by securing various components, such as engine parts, chassis elements, and other critical assemblies. Its design ensures that these components remain firmly in place, even under the stress of heavy-duty use. This screw contributes to the overall structural integrity of the truck, helping to maintain performance and safety standards ².

Key Features

The primary characteristics of the 3863494 Hexagonal Flange Head Cap Screw include its hexagonal flange head, which offers enhanced grip for tools, reducing the risk of slippage during installation or removal. The flange also provides additional resistance to loosening, which is particularly important in vibrating environments like those found in heavy-duty trucks. The cap screw mechanism allows for secure fastening, ensuring that components remain tightly connected.

Benefits

The 3863494 Hexagonal Flange Head Cap Screw offers several advantages. Its durable construction ensures long-term reliability, even in harsh operating conditions. The screw’s resistance to vibration helps maintain secure connections over time, reducing the need for frequent re-tightening. Additionally, the design of the screw facilitates ease of installation and removal, making maintenance procedures more efficient.

Installation and Usage

Proper installation of the 3863494 Hexagonal Flange Head Cap Screw is crucial for optimal performance. It is recommended to follow torque specifications provided by the manufacturer to ensure that the screw is tightened to the correct level, avoiding over-tightening or under-tightening. Using the appropriate tools and following recommended procedures will help ensure the screw’s longevity and effectiveness in securing components.

Troubleshooting and Maintenance

Common issues with the 3863494 Hexagonal Flange Head Cap Screw may include corrosion, loosening, or damage. Regular inspection can help identify these problems early. If corrosion is detected, cleaning the screw and applying a corrosion-resistant coating can help prolong its service life. Ensuring that the screw is properly torqued during installation can prevent loosening. If damage is found, replacing the screw is recommended to maintain structural integrity.

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 strong reputation for quality and innovation in the automotive and heavy-duty truck industries. The company’s extensive product offerings and commitment to customer satisfaction make it a trusted name among professionals in these fields.

Cummins Hexagonal Flange Head Cap Screw 3863494 in Engine Applications

The Cummins Hexagonal Flange Head Cap Screw, part number 3863494, is a critical component in various engine assemblies. This part is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of engine components.

In the context of the 6B5.9 engine, the 3863494 screw is utilized in several key areas. It is often employed to secure engine covers, brackets, and other structural elements, ensuring that these parts remain firmly in place under operational conditions. This screw’s design, featuring a hexagonal flange head, allows for efficient torque application, which is essential for maintaining the structural integrity of the engine.

The 3863494 screw is also integral in the assembly of engine subsystems, where it helps to maintain alignment and stability. Its robust construction and precise engineering make it suitable for use in environments where reliability and durability are paramount.

Role of Part 3863494 Hexagonal Flange Head Cap Screw in Engine Systems

Valve Assembly

In valve assemblies, the part 3863494 hexagonal flange head cap screw is instrumental in securing valve components. It ensures that the valve remains firmly in place, maintaining the integrity of the valve’s operation. This screw is typically used to fasten the valve cover, which protects the valve mechanism from external contaminants and ensures that the valve stem seals are correctly positioned. The hexagonal flange head design allows for easy tightening and loosening, which is essential during maintenance or repair procedures.

Fuel Shutoff Mechanism

Within the fuel shutoff system, the part 3863494 hexagonal flange head cap screw plays a significant role in securing the shutoff valve. This screw ensures that the valve is tightly sealed, preventing any fuel leakage that could pose a safety hazard. It is often used to fasten the shutoff valve to the fuel line, ensuring a secure connection that can withstand the pressure fluctuations within the fuel system. The flange head provides additional surface area for torque application, enhancing the screw’s ability to maintain a tight seal under varying conditions.

Conclusion

The 3863494 Hexagonal Flange Head Cap Screw is a vital component in the assembly and maintenance of heavy-duty truck engines. Its robust design, high-quality materials, and precise engineering make it an essential part for ensuring the structural integrity and reliability of engine components. Proper installation and maintenance of this screw are crucial for optimal performance and longevity of the engine systems in which it is used.