3046284
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, part number 3046284, is a specialized fastener designed for use in commercial trucks, particularly within Cummins engines. This screw is integral to the assembly and maintenance of various truck components, ensuring both structural integrity and operational efficiency. Understanding its purpose and basic concepts is fundamental for anyone involved in the maintenance or repair of commercial vehicles.

Basic Concepts

A Hexagon Flange Head Cap Screw is characterized by its hexagonal head, which allows for efficient torque application using standard tools, and a flange that provides additional surface area for distribution of clamping force. The cap screw classification indicates that it is designed for applications requiring a threaded fastener that passes completely through the components being joined. The hexagonal head design facilitates easy installation and removal, while the flange enhances the screw’s ability to resist loosening under vibration and dynamic loads ¹.

Role in Truck Operation

This Cummins part plays a significant role in the operation of a truck by securing critical components, ensuring structural integrity, and maintaining alignment and stability in various truck systems. It is commonly used in applications where high clamping force and resistance to loosening are required, such as in engine mounts, transmission housings, and chassis components. By providing a secure and stable connection, this screw contributes to the overall reliability and performance of the truck ².

Key Features

The 3046284 boasts several key features that enhance its functionality and durability. Its material composition, typically a high-strength alloy steel, ensures robust performance under demanding conditions. The thread pitch is designed to provide optimal clamping force while facilitating easy installation. The flange design not only distributes the clamping force more evenly but also adds an extra layer of security against loosening, making it ideal for applications subjected to vibration and dynamic loads.

Benefits

The benefits of using the 3046284 include enhanced fastening security, improved load distribution, and increased resistance to vibration and environmental factors. The screw’s design allows for a more even distribution of clamping force, reducing the risk of component failure due to uneven stress. Its resistance to loosening ensures that connections remain secure over time, even under harsh operating conditions. Additionally, the screw’s durability and reliability contribute to the longevity and performance of the truck.

Troubleshooting and Maintenance

Common issues with the 3046284 may include loosening or corrosion. To address these issues, regular inspections should be conducted to ensure that screws are properly tightened and show no signs of corrosion. Maintenance practices such as applying an anti-seize compound can help prevent corrosion and facilitate easier removal in the future. Additionally, using the correct torque specifications during installation ensures that the screw is neither over-tightened nor under-tightened, which can lead to premature failure.

About Cummins

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 is renowned for its expertise in engine manufacturing and its commitment to providing high-quality components for the commercial truck industry. The company’s dedication to innovation and customer satisfaction ensures that its products, including the 3046284, meet the rigorous demands of modern commercial vehicles.

Cummins Hexagon Flange Head Cap Screw 3046284 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 3046284, is a critical component in various engine applications. This screw is designed to provide a secure fastening solution, ensuring that engine parts remain tightly secured under operational stresses.

K38 and N14 MECHANICAL Engines

In the K38 and N14 MECHANICAL engines, the 3046284 screw is often used in applications where a robust connection is necessary. These engines, known for their durability and performance, benefit from the screw’s ability to withstand high torque and pressure, ensuring that critical engine components remain fastened securely during operation.

NH/NT 855 Engines

The NH/NT 855 engines also utilize the 3046284 screw in several key areas. Given the high-performance nature of these engines, the screw’s design allows it to maintain its integrity under extreme conditions, providing a reliable fastening solution that supports the engine’s operational demands.

V903 Engines

In the V903 engines, the 3046284 screw is employed in various applications where precision and strength are paramount. This engine, known for its power and efficiency, relies on the screw to ensure that all components are fastened securely, contributing to the overall reliability and performance of the engine.

The use of the 3046284 screw across these engines highlights its versatility and importance in maintaining the structural integrity and operational efficiency of Cummins engines.

Role of Part 3046284 Hexagon Flange Head Cap Screw in Engine Systems

The 3046284 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and integrity under operational conditions.

• Alternator Mounting: This screw plays a significant role in fastening the alternator to the engine block or bracket, ensuring it remains securely in place during engine vibrations and rotations.
• Corrosion Resistor Installations: The screw is used to attach the corrosion resistor to its designated location, maintaining electrical integrity and preventing corrosion in sensitive engine components.
• Corrosion Resistor Bracket Mounting Elements: Ensures that the bracket is firmly attached, providing a stable platform for the corrosion resistor.
• Exhaust Manifold Applications: Secures the manifold to the engine, ensuring a tight seal that prevents exhaust leaks and maintains efficient engine performance.
• Exhaust Manifold Mounting and Exhaust Mounting: Vital in attaching the exhaust system components to the engine and chassis, ensuring they withstand the high temperatures and vibrations associated with exhaust gases.
• Filter Bracket Mounting and Filter Mounting: Secures filters in place, ensuring they function correctly and do not become dislodged during engine operation.
• Heat Shields: Used in attaching heat shields to various engine components, protecting nearby parts from excessive heat.
• Turbocharger Arrangements: Helps in securing turbocharger components, ensuring they operate efficiently and remain in place under high-stress conditions.
• Water Filter Installations: Ensures that the filter is securely mounted, preventing leaks and ensuring clean fluid circulation within the engine system.

Conclusion

The Cummins Hexagon Flange Head Cap Screw, part number 3046284, is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and flange, provides enhanced fastening security, improved load distribution, and increased resistance to vibration and environmental factors. Regular maintenance and proper installation practices are essential to ensure the longevity and performance of this critical fastener.