3930708
Studded Hexagon Cap Screw
Cummins®

The 3930708 Studded Hexagon Cap Screw is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, where it plays a role in securing components and ensuring the structural integrity of assemblies.

Basic Concepts of Studded Hexagon Cap Screws

A studded hexagon cap screw is a type of fastener characterized by a hexagonal head and a threaded shank that extends beyond the nut or component it secures. This design allows for efficient tightening and loosening using a wrench or socket, making it a popular choice in mechanical assemblies. The studded configuration provides additional length for securing components that require a longer thread engagement.

Purpose of the 3930708 Studded Hexagon Cap Screw

The 3930708 is utilized in commercial trucks to secure various components, including engine parts, chassis elements, and other critical assemblies. Its role is to provide a strong, reliable fastening solution that can withstand the rigors of heavy-duty applications. This screw is particularly important in areas where vibration and dynamic loads are present, as it helps maintain the integrity of the assembly over time.

Key Features

The 3930708 features a hexagonal head design, which allows for easy engagement with wrenches or sockets. The studded configuration provides extended thread length, enhancing the screw’s ability to secure components effectively. Made from high-quality materials, this screw offers excellent resistance to corrosion and wear. Additionally, its design includes features that improve torque transmission and reduce the risk of stripping during installation or removal.

Benefits

The 3930708 offers several benefits, including improved fastening strength due to its extended thread length and robust design. It provides resistance to vibration loosening, which is crucial in the dynamic environment of commercial trucks. The screw’s ease of installation and removal, thanks to its hexagonal head, allows for efficient maintenance and repair operations. Furthermore, its durability ensures longevity even in harsh operating conditions, reducing the need for frequent replacements.

Installation and Usage

Proper installation of the 3930708 is vital for optimal performance and safety. It is recommended to use the appropriate torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. Using the recommended tools, such as a torque wrench, ensures accurate installation. Following best practices, such as cleaning the mating surfaces and inspecting the screw for any damage before installation, will help maintain the screw’s integrity and performance.

Troubleshooting and Maintenance

Common issues with studded hexagon cap screws include corrosion, stripping, and loosening. Regular inspection for signs of wear or damage can help identify potential problems early. In case of corrosion, cleaning the affected area and applying a suitable anti-corrosion treatment can help mitigate the issue. If stripping occurs, it may be necessary to replace the screw to ensure the assembly remains secure. To prevent loosening, ensuring the screw is properly torqued and using lock washers or thread locker compounds can be effective solutions. Regular maintenance and inspection will help prolong the life of the screw and ensure continued reliable performance.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a strong reputation in the commercial truck industry for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles. Cummins’ dedication to excellence is evident in its rigorous manufacturing processes and continuous investment in research and development, ensuring that its products, including the 3930708, deliver reliable performance and durability.

Studded Hexagon Cap Screw 3930708 in Cummins Engines

The 3930708, manufactured by Cummins, is a critical component in several of their engine models. This part is integral to the assembly and maintenance of the engines, ensuring secure fastening and stability.

Application in Specific Engines

6C8.3, C8.3 G, G8.3, G8.3 CM558, and GTA8.3 CM558

These engines share a common design philosophy, where the 3930708 plays a pivotal role in maintaining the structural integrity of various components. The screw is used in areas where high tensile strength and durability are required, such as securing engine blocks, cylinder heads, and other critical assemblies.

C GAS PLUS CM556

In the C GAS PLUS CM556 engine, the 3930708 is utilized in similar applications. Its design ensures that it can withstand the operational stresses and environmental conditions these engines are subjected to, providing a reliable fastening solution.

Importance of the Part

The use of studded hexagon cap screws in these engines is crucial for several reasons:

• Enhanced Security: The studded design provides a secure grip, reducing the risk of loosening under vibration and thermal expansion.
• Durability: Made from high-quality materials, these screws are resistant to corrosion and wear, extending the lifespan of the engine components.
• Ease of Installation: The hexagonal head allows for easy and efficient tightening with standard tools, facilitating quick assembly and maintenance.

By integrating the 3930708 into their engine designs, Cummins ensures that their engines maintain optimal performance and reliability over time.

Role of Part 3930708 in Engine Systems

The 3930708 is integral in securing various components within engine systems, ensuring stability and proper function.

In the arrangement of engine components, this screw plays a significant role in fastening parts that require robust and reliable connections. Its studded design provides additional strength, making it suitable for high-stress areas.

Within the turbocharger system, the 3930708 is often used to secure the turbocharger to its mounting points. This ensures that the turbocharger remains firmly in place, even under the high pressures and temperatures it operates under.

The exhaust manifold is another area where this screw is commonly employed. It is used to attach the manifold to the engine block, ensuring a secure seal that prevents exhaust leaks. Additionally, it helps in maintaining the structural integrity of the manifold under thermal expansion and contraction.

For exhaust manifold mounting, the 3930708 is crucial. It provides the necessary clamping force to keep the manifold securely attached to the engine, which is essential for efficient exhaust flow and reduced emissions.

In the context of the manifold and air intake systems, this screw is used to fasten various components, ensuring that there are no loose connections that could lead to performance issues or safety hazards.

When dealing with exhaust systems, the 3930708 is often found securing exhaust pipes to the manifold and other components. This helps in maintaining the alignment and integrity of the exhaust path, which is vital for optimal engine performance and reduced backpressure.

For mounting applications, whether it’s the exhaust manifold or other engine components, this screw offers a dependable solution. Its design allows for easy installation and removal, which is beneficial during maintenance or upgrades.

Lastly, in the turbocharger location, the 3930708 is used to ensure that the turbocharger is mounted correctly. This is important for the turbocharger’s efficiency and longevity, as improper mounting can lead to vibrations and premature wear.

Conclusion

The 3930708 Studded Hexagon Cap Screw is a vital component in the commercial truck industry, providing secure fastening and stability in various engine systems. Its robust design, ease of installation, and resistance to corrosion and wear make it an essential part for maintaining the structural integrity and performance of commercial truck engines. Proper installation and regular maintenance are key to ensuring the longevity and reliability of this Cummins part.