4988577
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4988577, is a component manufactured by Cummins, a well-regarded name in the automotive industry. This part plays a significant role in the assembly and operation of heavy-duty trucks, ensuring secure fastening and reliable performance under demanding conditions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The flange, a flat, circular plate at the base of the screw, distributes the load over a larger area, reducing the risk of the screw pulling through the material. This design is particularly beneficial in heavy-duty applications where secure and durable fastening is required. Within a truck’s assembly, these screws are used to join various components, ensuring structural integrity and operational reliability.

Purpose and Role

The 4988577 Hexagon Flange Head Cap Screw serves multiple functions in the operation of a truck. It is commonly used in applications where a high degree of fastening security is required, such as in the attachment of engine components, chassis parts, and other critical assemblies. Its design allows it to withstand significant stress and vibration, making it suitable for use in environments where traditional screws might fail. The screw is typically employed in areas where both strength and ease of installation are paramount.

Key Features

The Hexagon Flange Head Cap Screw boasts several key features that contribute to its functionality and reliability. The hexagonal head design enables the use of standard tools for installation and removal, facilitating ease of use. The flange provides additional surface area for load distribution, enhancing the screw’s ability to resist pulling through the material. The cap screw construction ensures a secure fit, while the overall design promotes durability under heavy-duty conditions. These features collectively ensure that the screw performs reliably in demanding applications.

Benefits

The Hexagon Flange Head Cap Screw offers several benefits that make it a preferred choice for heavy-duty truck applications. Its design enhances fastening security, providing a robust connection that resists loosening over time. The flange contributes to this security by distributing the load more evenly. Additionally, the screw’s ease of installation and removal simplifies maintenance procedures, allowing for quick and efficient servicing. These benefits contribute to the overall reliability and longevity of the truck’s components.

Installation and Usage

Proper installation of the Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force without over-tightening, which could damage the screw or the material it is fastening. Using the appropriate tools, such as a wrench or socket that fits the hexagonal head, ensures accurate and efficient installation. Regular inspection and maintenance can help identify any signs of wear or loosening, allowing for timely adjustments or replacements.

Troubleshooting and Maintenance

Common issues with the Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion over time. Regular inspections can help identify these problems early, allowing for corrective action before they lead to more significant issues. Maintenance tips include ensuring that the screw is properly torqued during installation, using corrosion-resistant coatings where applicable, and replacing screws that show signs of wear or damage. These practices help prolong the screw’s lifespan and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive industry. The company’s commitment to excellence is evident in its wide range of products, which are designed to meet the demanding requirements of heavy-duty applications. Cummins’ focus on quality and innovation ensures that its components, including the 4988577 Hexagon Flange Head Cap Screw, deliver reliable performance and durability in challenging environments.

Cummins Engine Part 4988577: Hexagon Flange Head Cap Screw

The Cummins part 4988577, a Hexagon Flange Head Cap Screw, is a critical component used in various Cummins engine models. This part is designed to provide secure fastening in applications where a robust and reliable connection is essential. The flange head design allows for a larger surface area to be used for tightening, which is particularly beneficial in high-stress environments.

Application in Cummins Engines

6B5.9 and D4.0 CM2620 D103B

The 4988577 screw is utilized in the 6B5.9 and D4.0 CM2620 D103B engines to ensure the secure attachment of various engine components. These engines, known for their durability and efficiency, benefit from the precision and strength provided by this screw. The flange head allows for easier torque application, ensuring that the components remain tightly fastened under operational stresses.

F4.5 CM2620 F139B

Similarly, in the F4.5 CM2620 F139B engine, the 4988577 screw plays a vital role in maintaining the integrity of the engine assembly. The flange head design is particularly advantageous in this engine model, where high torque and vibration resistance are crucial. The screw’s robust construction ensures that it can withstand the demanding conditions of engine operation, providing reliable performance over time.

The use of the 4988577 Hexagon Flange Head Cap Screw across these Cummins engine models underscores its importance in maintaining the structural integrity and operational efficiency of the engines. Its design and material properties make it an ideal choice for securing various engine components, ensuring that the engines perform reliably under a range of conditions.

Hexagon Flange Head Cap Screw in Engine Systems

The part 4988577 Hexagon Flange Head Cap Screw is integral to the secure assembly and operation of various engine components, particularly within the turbocharger arrangement.

In the turbocharger, this screw plays a significant role in fastening critical components such as the compressor and turbine housings. Its flange head design ensures a broad contact area, which enhances the screw’s ability to withstand high torque and vibration, common in turbocharger operations.

Within the turbocharger arrangement, the screw is often used to secure the turbocharger to the engine block or exhaust manifold. This ensures that the turbocharger remains firmly in place, even under the extreme conditions of high-speed rotation and temperature fluctuations.

Additionally, in the broader engine arrangement, the screw may be employed in fastening other components that require a robust and reliable connection. Its design allows for easy installation and removal, which is essential during maintenance or repair procedures.

The use of the Hexagon Flange Head Cap Screw in these applications underscores its importance in maintaining the integrity and efficiency of engine systems.

Conclusion

The 4988577 Hexagon Flange Head Cap Screw is a vital component in the assembly and operation of heavy-duty trucks and Cummins engines. Its design, characterized by a hexagonal head and flange, provides secure fastening, enhanced load distribution, and ease of installation and removal. The screw’s robust construction and reliable performance make it an essential part in maintaining the structural integrity and operational efficiency of engine systems. Proper installation, regular maintenance, and timely replacement are key to ensuring the longevity and reliability of this Cummins part.