4900280
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4900280, is a component manufactured by Cummins. This screw is integral to heavy-duty truck applications, providing secure fastening solutions that ensure the integrity and performance of various truck components.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange distributes load and prevents the screw from being driven too far into the material. These screws are commonly used in commercial trucks for their ability to provide strong, vibration-resistant fastening. They are typically employed in applications where both high strength and resistance to loosening are required ¹.

Purpose and Role in Truck Operation

The 4900280 Hexagon Flange Head Cap Screw serves a specific purpose in heavy-duty truck operations. It is used to secure critical components that are subject to significant stress and vibration. This includes fastening engine parts, transmission components, and chassis elements. By providing a reliable fastening solution, this screw helps maintain the structural integrity and operational efficiency of the truck ².

Key Features

The 4900280 Hexagon Flange Head Cap Screw features a hexagonal head design that facilitates easy and precise tool engagement. The flange at the base of the screw head enhances load distribution and prevents over-driving. The screw is made from high-strength materials, ensuring durability under demanding conditions. It also has specific threading specifications that provide optimal grip and resistance to loosening ³.

Benefits

The 4900280 Hexagon Flange Head Cap Screw offers several advantages. Its design enhances fastening security, making it less prone to vibration loosening compared to standard screws. The material composition ensures durability, allowing it to withstand the rigors of heavy-duty truck environments. Additionally, the flange feature provides added stability and load distribution, further contributing to the screw’s reliability ⁴.

Installation Guidelines

Proper installation of the 4900280 Hexagon Flange Head Cap Screw is vital for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to apply the specified torque, which ensures the screw is tightened to the correct tension without over-tightening. Follow recommended practices for thread lubrication if specified, to reduce friction and enhance installation ease.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include corrosion, stripping, and loosening. Regular inspection for signs of wear or damage is recommended. If corrosion is detected, cleaning and applying a protective coating can help. In cases of stripping, replacing the screw is necessary. To prevent loosening, ensure the screw is properly torqued during installation and periodically check the fastenings for any signs of movement.

Cummins 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 producing reliable and high-performance components. Their product portfolio includes a wide range of engine and powertrain solutions, filtration systems, and aftermarket parts, all designed to meet the demanding needs of heavy-duty applications.

Cummins Hexagon Flange Head Cap Screw 4900280 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw part number 4900280 is a critical component in various engine configurations. This part is designed to secure different engine parts, ensuring stability and reliability during operation.

A1400 and A1700 Engines

In the A1400 and A1700 engines, the 4900280 screw is often used to fasten components that require a strong and secure connection. These engines, typically used in smaller machinery and equipment, benefit from the durability and precision of this screw. The screw’s design allows for easy installation and removal, which is essential for maintenance and repairs.

A2000 and A2300 Engines

For the larger A2000 and A2300 engines, the 4900280 screw plays a crucial role in securing larger and more complex components. These engines, often found in heavy-duty machinery, demand high-performance fasteners to handle the increased stress and load. The screw’s hexagonal flange head provides a larger surface area for torque application, ensuring that the connection remains tight and secure under demanding conditions.

Grouping by Application

When considering the application of the 4900280 screw across these engines, it is evident that this part is versatile and reliable. Whether in the smaller A1400 and A1700 engines or the larger A2000 and A2300 engines, the screw’s design and material properties make it suitable for a wide range of fastening needs. Its use in these engines highlights Cummins’ commitment to providing high-quality components that meet the rigorous demands of various machinery.

Role of Part 4900280 Hexagon Flange Head Cap Screw in Engine Systems

The part 4900280 Hexagon Flange Head Cap Screw is integral to the assembly and operation of various engine components. Its design and functionality allow it to secure and maintain the integrity of several key parts within the engine system.

Balancer and Engine Balancer

In the context of the balancer and engine balancer, the Hexagon Flange Head Cap Screw plays a significant role in attaching the balancer to the crankshaft. This attachment is essential for counteracting the vibrations produced by the engine’s moving parts, ensuring smoother operation and reducing wear on other components.

Fan Pilot Spacer

When it comes to the fan pilot spacer, the Hexagon Flange Head Cap Screw is used to secure the spacer in place. This spacer is critical for maintaining the correct distance between the fan and the engine components, which is vital for efficient cooling and preventing interference.

Filters

In fuel and lubricating oil filters, the Hexagon Flange Head Cap Screw is employed to fasten the filter housing. This ensures that the filter is securely mounted, allowing for effective filtration of contaminants from the fuel and oil, which is essential for maintaining engine performance and longevity.

Front Gear Cover

The front gear cover, which protects the timing gears and chain, relies on the Hexagon Flange Head Cap Screw for secure attachment to the engine block. This not only protects the internal components but also prevents oil leaks, maintaining the engine’s lubrication system integrity.

Conclusion

In summary, the part 4900280 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the secure assembly and efficient operation of various engine components. Its application across different parts underscores its importance in maintaining the overall functionality and reliability of the engine system.