3093766
Hexagon Head Cap Screw
Cummins®

The Hexagonal Head Cap Screw, part number 3093766, manufactured by Cummins, is a specialized fastener designed for use in heavy-duty truck components. This screw is integral to ensuring the secure assembly and reliable operation of various truck parts, contributing to the overall durability and performance of the vehicle.

Basic Concepts of Hexagonal Head Cap Screws

Hexagonal Head Cap Screws are a type of fastener characterized by their hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are commonly used in fastening applications across various industries, including automotive, due to their strength and resistance to loosening under vibration. The hexagonal shape of the head provides a firm grip, reducing the risk of cam-out and ensuring precise torque application ¹.

Purpose of the 3093766 Hexagonal Head Cap Screw in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of heavy-duty trucks. It is utilized in areas where secure and durable fastening is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. Its design ensures that these components remain firmly in place, even under the strenuous conditions encountered in heavy-duty truck operation ².

Key Features

The 3093766 Hexagonal Head Cap Screw is crafted from high-quality materials, typically a grade of steel that offers excellent strength and corrosion resistance. It features a coarse thread type, which provides a strong grip and efficient load distribution. The screw’s design includes a cap that covers the fastener head, protecting it from contaminants and enhancing its aesthetic appeal. Additionally, the hexagonal head allows for easy and precise tightening, ensuring consistent torque application ³.

Benefits

Using the 3093766 Hexagonal Head Cap Screw offers several advantages. Its robust material composition and thread design contribute to improved fastening strength, making it less likely to loosen under vibration. This characteristic is particularly beneficial in the demanding environment of heavy-duty trucks, where components are subject to constant movement and stress. Furthermore, the screw’s durability ensures longevity, reducing the need for frequent replacements and maintenance ⁴.

Installation Guidelines

Proper installation of the 3093766 Hexagonal Head Cap Screw is crucial for ensuring secure fastening. Begin by cleaning the mating surfaces to remove any debris or contaminants. Use a torque wrench to apply the specified torque, ensuring that the screw is tightened to the manufacturer’s recommended levels. This practice helps prevent over-tightening, which can damage the screw or the components being fastened. Additionally, it is advisable to periodically check the tightness of the screw to maintain optimal performance.

Troubleshooting and Maintenance

Common issues with Hexagonal Head Cap Screws include loosening due to vibration and corrosion caused by exposure to harsh elements. To address these problems, regularly inspect the screws for signs of wear or damage. If loosening is detected, re-tighten the screw to the specified torque. In cases of corrosion, consider replacing the screw to prevent further degradation. Routine maintenance, such as applying a corrosion-resistant coating, can help prolong the lifespan of the screw and ensure continued reliable performance.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive industry, known for its commitment to quality, innovation, and customer satisfaction. The company’s expertise in engine manufacturing extends to the production of high-quality fasteners like the 3093766 Hexagonal Head Cap Screw, ensuring that their products meet the rigorous demands of heavy-duty applications.

Cummins Hexagonal Head Cap Screw 3093766 in Engine Applications

The Cummins Hexagonal Head Cap Screw, part number 3093766, is a critical component in various engine assemblies, ensuring secure fastening and structural integrity. This part is integral to the assembly and maintenance of several Cummins engines, providing a reliable connection between engine parts.

QST30 CM552 Engines

In the QST30 CM552 engines, the Hexagonal Head Cap Screw 3093766 is utilized in several key areas. It is commonly found in the engine block assembly, where it secures various components together, ensuring that the engine operates smoothly and efficiently. This screw is also used in the cylinder head assembly, where it helps to maintain the alignment and stability of the cylinder head, contributing to the engine’s overall performance and longevity.

The precision and durability of the 3093766 screw make it an essential part of the engine’s construction, providing the necessary strength and reliability to withstand the demanding conditions of engine operation. Its hexagonal head design allows for easy and efficient tightening and loosening, facilitating maintenance and repair processes.

Role of Part 3093766 Hexagonal Head Cap Screw in Engine Systems

The part 3093766 hexagonal head cap screw is integral to the secure assembly and operation of various engine components. It is utilized in the fastening of the thermostat housing, ensuring a tight seal that prevents coolant leaks and maintains optimal engine temperature. This screw is also employed in the arrangement of the heat shield, securing it in place to protect nearby components from excessive heat generated by the engine.

In the assembly of the flywheel housing, the 3093766 screw plays a role in maintaining the structural integrity of the housing, which is vital for the smooth operation of the engine’s flywheel. Similarly, it is used in the thermostat (top level assembly) housing to ensure that the thermostat is securely mounted, allowing for precise temperature regulation within the engine system.

Furthermore, the screw is part of the product installation process for the auxiliary cooling system, where it helps in the secure attachment of components that aid in dissipating heat away from the engine. Its application extends to the package and system components, where it ensures that all parts are firmly held together, contributing to the overall reliability and performance of the engine.

Conclusion

In summary, the 3093766 hexagonal head cap screw is a key component in the secure and efficient operation of various engine systems, from thermostat housings to heat shields and beyond. Its role in fastening and securing these components is essential for the maintenance of engine performance and longevity.