4900477
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4900477, is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is integral to the assembly and maintenance of commercial trucks, providing secure fastening solutions that contribute to the overall reliability and performance of these vehicles.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flange distributes the load and prevents the screw from sinking into the material. Within a fastening system, this screw plays a role by securely joining components together, ensuring structural integrity and stability ¹.

Purpose and Role in Truck Operation

This Cummins part is designed to play a specific role in the operation and maintenance of commercial trucks. It is commonly used in areas where high tensile strength and resistance to vibration are required, such as in the engine compartment, chassis, and various structural components. Its application ensures that critical parts remain securely fastened, contributing to the safe and efficient operation of the truck ².

Key Features

The 4900477 features a hexagonal head that facilitates easy and precise tightening. The flange beneath the head provides additional surface area, which helps in distributing the load and preventing the screw from embedding into the material. Made from high-quality materials, typically steel alloys, this screw offers excellent durability and resistance to corrosion. These features collectively enhance its functionality and longevity in demanding commercial truck applications ³.

Benefits

Using this part offers several benefits. Its design ensures enhanced fastening security, making it less likely for the screw to loosen over time. The flange provides additional stability, which is particularly beneficial in applications subjected to vibration. Additionally, the hexagonal head allows for straightforward installation and removal, reducing the time and effort required during maintenance procedures.

Installation and Usage

Proper installation of the 4900477 is vital for optimal performance. It is recommended to use a torque wrench to achieve the specified torque settings, ensuring that the screw is tightened to the correct level without over-tightening, which could lead to damage. Best practices include cleaning the installation area to remove any debris and using a thread lubricant to facilitate easier installation and reduce the risk of galling.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. Regular inspections can help identify these problems early. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected screw may need to be replaced to maintain the integrity of the fastening. Routine maintenance, such as applying a corrosion-resistant coating, can help prolong the lifespan of the screw.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to follow safety practices to prevent injuries and ensure the reliability of the fastening. This includes wearing appropriate personal protective equipment (PPE), such as gloves and safety glasses. Screws should be stored in a dry, organized environment to prevent corrosion and damage. Additionally, always use the correct tools and follow torque specifications to avoid over-tightening, which can lead to stripped threads or damaged components.

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 for quality and innovation in the commercial truck industry. The company is committed to producing reliable and high-performance components, ensuring that their products meet the rigorous demands of commercial applications. Cummins’ dedication to excellence is evident in their comprehensive product range and ongoing investment in research and development.

Cummins Engine Part 4900477: Hexagon Flange Head Cap Screw

The Cummins part 4900477, a Hexagon Flange Head Cap Screw, is a critical component used across several engine models. This part is integral to the assembly and maintenance of the engines, ensuring secure fastening and structural integrity.

Application in Engine Models

A1400 and A1700 Engines

The A1400 and A1700 engines benefit from the use of the Hexagon Flange Head Cap Screw in various applications. These engines, known for their reliability and efficiency, utilize this screw in areas where robust fastening is required. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

A2000 and A2300 Engines

Similarly, the A2000 and A2300 engines incorporate the Hexagon Flange Head Cap Screw in their construction. These engines, which are part of a higher power output range, rely on this screw for securing components that are subject to significant stress and vibration. The screw’s flange head provides a larger surface area for torque application, enhancing the fastening process.

Grouping of Engines

The engines A1400 and A1700 can be grouped together due to their similar power output and design philosophies. Both engines utilize the Hexagon Flange Head Cap Screw in comparable applications, ensuring consistent performance and ease of maintenance.

On the other hand, the A2000 and A2300 engines, while part of the same family, are designed for higher power applications. The Hexagon Flange Head Cap Screw in these engines is used in more demanding environments, where the screw’s durability and strength are critical to maintaining engine integrity.

Importance of the Screw

The Hexagon Flange Head Cap Screw is essential for the secure fastening of various components within these engines. Its design allows for efficient torque transfer, ensuring that parts remain tightly secured under operational conditions. This screw is particularly important in areas where vibration and stress are prevalent, providing the necessary stability and reliability.

By using the Hexagon Flange Head Cap Screw, Cummins ensures that the engines maintain their structural integrity and performance, contributing to the overall reliability and longevity of the engine systems.

Understanding the Role of Part 4900477 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 4900477 serves as a fundamental component, ensuring the secure fastening of various elements. Its application spans across multiple subsystems, contributing to the overall integrity and functionality of the engine.

Integration with the Fuel System

Within the fuel system, the 4900477 is employed to fasten critical components such as fuel injectors, fuel rails, and fuel filter housings. By providing a robust connection, it ensures that these components remain securely in place, facilitating the precise delivery of fuel to the engine’s combustion chambers. This secure fastening is essential for maintaining the fuel system’s efficiency and reliability, as any loosening could lead to fuel leaks or inefficient fuel delivery, impacting engine performance.

Application in the Filtration System

In the filtration system, the 4900477 plays a significant role in securing filter housings and related components. Whether it’s the oil filter, air filter, or fuel filter, this screw ensures that the filters are tightly sealed, preventing contaminants from bypassing the filtration process. A secure seal is vital for the filtration system’s effectiveness, as it ensures that only clean fluids and air reach the engine, thereby prolonging the engine’s lifespan and maintaining its performance.

Ensuring System Integrity

Beyond its specific applications in the fuel and filtration systems, the 4900477 contributes to the overall integrity of the engine system. Its design allows for easy installation and removal, facilitating maintenance and repair processes. Additionally, the screw’s flange head provides a larger surface area for torque application, reducing the risk of stripping and ensuring a tighter, more secure connection.

Conclusion

In summary, the 4900477 Hexagon Flange Head Cap Screw is a versatile and essential component in engine systems, playing a key role in securing critical components within the fuel and filtration systems. Its reliable performance and ease of use make it a preferred choice for ensuring the secure fastening of engine components, contributing to the engine’s efficiency, reliability, and longevity.