4928944
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 4928944, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is significant in heavy-duty truck applications due to its robust design and reliable performance under demanding conditions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener 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 provides a larger bearing surface that distributes the load more evenly, reducing the risk of the screw sinking into the material ¹. In mechanical systems, these screws are used to secure components together, ensuring stability and integrity.

Purpose and Role in Truck Operation

The 4928944 Hexagon Flange Head Cap Screw plays a specific role in the operation of heavy-duty trucks. It is utilized in various truck components where secure fastening is required. This includes applications in the engine assembly, chassis, and other structural parts. By providing a strong and stable connection, it contributes to the overall reliability and safety of the truck ².

Key Features

The 4928944 Hexagon Flange Head Cap Screw features a hexagonal head design that facilitates easy and precise tightening. The flange beneath the head enhances the screw’s ability to distribute loads, preventing damage to the material it is fastened into. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring longevity in harsh operating environments ³.

Benefits

Using the 4928944 Hexagon Flange Head Cap Screw offers several benefits. Its design enhances durability, making it suitable for heavy-duty applications. The screw provides improved fastening security, reducing the likelihood of loosening over time. Furthermore, its resistance to vibration and corrosion ensures consistent performance, even under challenging conditions.

Installation and Usage

Proper installation of the 4928944 Hexagon Flange Head Cap Screw is crucial for its effectiveness. It should be installed using the appropriate torque specifications to ensure a secure fit without over-tightening, which could lead to damage. Best practices include using the correct tools and ensuring the surfaces are clean and free from debris before installation.

Troubleshooting and Maintenance

Common issues with the 4928944 Hexagon Flange Head Cap Screw may include corrosion or stripping. Regular inspection and maintenance can help identify these problems early. To prevent corrosion, applying a protective coating or using screws made from corrosion-resistant materials is recommended. If stripping occurs, replacing the screw and ensuring proper installation techniques are used can resolve the issue.

Cummins Overview

Cummins is a reputable manufacturer with a long history in the automotive and heavy-duty truck industry. Known for their commitment to quality and innovation, Cummins produces a wide range of components that are designed to meet the demanding requirements of heavy-duty applications. Their products are trusted by professionals for their reliability and performance.

Compatibility with Cummins Engines

The Cummins part number 4928944, a Hexagon Flange Head Cap Screw, is designed to fit seamlessly with several of Cummins’ engine models. This part is integral in securing various components within the engine assembly, ensuring structural integrity and operational efficiency.

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines both benefit from the use of the 4928944 screw. These engines, known for their robust performance, require reliable fastening solutions to maintain the alignment and stability of their components. The 4928944 screw provides the necessary strength and durability to withstand the operational stresses these engines endure.

6C8.3, ISB3.9 CM2220 B107, and ISB5.9 CM2880 B127 Engines

The 6C8.3 engine, along with the ISB3.9 CM2220 B107 and ISB5.9 CM2880 B127 engines, also utilize the 4928944 screw. These engines are part of Cummins’ lineup of high-performance diesel engines, often used in heavy-duty applications. The 4928944 screw’s design ensures that it can effectively secure the engine’s components, contributing to the overall reliability and longevity of these engines.

L8.9G CMOH2.0 L125B Engine

The L8.9G CMOH2.0 L125B engine is another model that incorporates the 4928944 screw. This engine, known for its power and efficiency, relies on the screw to maintain the integrity of its assembly. The 4928944 screw’s precision engineering and high-quality materials make it an ideal choice for securing the various parts of this engine.

Each of these engines, while differing in specifications and applications, shares a common requirement for reliable fastening solutions. The 4928944 Hexagon Flange Head Cap Screw meets this requirement, providing a critical component in the assembly and maintenance of Cummins engines.

Role in Engine Systems

The 4928944 Hexagon Flange Head Cap Screw is integral to the secure assembly and operation of various engine components. In the context of an engine system, this screw plays a significant role in ensuring the stability and efficiency of several key components.

Compressor and Refrigerant Compressor

In refrigeration and air conditioning systems, the compressor is a vital component responsible for compressing the refrigerant gas, which is essential for the cooling process. The Hexagon Flange Head Cap Screw is often used to secure the mounting brackets of the compressor to the engine or chassis. This ensures that the compressor remains firmly in place, allowing it to operate efficiently without vibrations that could lead to wear or failure.

Heat Shield and Arrangement

Heat shields are used to protect other engine components from the high temperatures generated by the exhaust system or other heat-producing parts. The Hexagon Flange Head Cap Screw is employed to attach these shields securely in place. Proper attachment is essential for the shield to effectively dissipate heat and protect surrounding components, maintaining the overall integrity and performance of the engine system.

Mounting and Stability

The screw is also utilized in the mounting of various engine components. Whether it’s securing the refrigerant compressor, heat shields, or other auxiliary components, the Hexagon Flange Head Cap Screw ensures that these parts are held firmly in their designated positions. This stability is vital for the consistent operation of the engine, as loose components can lead to inefficiencies or even catastrophic failures.

Water Pump Drive

In systems where a water pump is driven by the engine, the Hexagon Flange Head Cap Screw may be used to secure the drive mechanism. This includes attaching the water pump to the engine block or securing the drive belt tensioner. Proper attachment ensures that the water pump operates smoothly, providing consistent coolant flow to regulate engine temperature and prevent overheating.

Refrigerant and Shield

The management of refrigerant within the system is another area where the Hexagon Flange Head Cap Screw plays a role. It is used to secure components of the refrigerant system, ensuring that connections are tight and secure. This prevents refrigerant leaks, which can lead to system inefficiency and environmental concerns. Additionally, screws are used to attach shields that protect the refrigerant lines from physical damage and external heat sources, ensuring the refrigerant remains at the optimal temperature for efficient operation.

Conclusion

In summary, the 4928944 Hexagon Flange Head Cap Screw is a fundamental component in the secure assembly and efficient operation of various engine systems. Its role in mounting, stabilizing, and protecting critical components underscores its importance in maintaining the overall performance and reliability of the engine.