4928945
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 4928945, is a component manufactured by Cummins, a reputable name in the commercial truck industry. This screw is significant in truck maintenance due to its robust design and reliable performance. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of commercial truck operations.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flange provides additional surface area for distribution of clamping force, reducing the risk of the screw pulling through the material ¹. In the context of truck components, this screw is utilized to secure various parts, ensuring they remain firmly in place under operational stress.

Purpose and Role in Truck Operation

The 4928945 Hexagon Flange Head Cap Screw plays a role in the secure attachment of components within commercial trucks. It is applied in various truck systems, including but not limited to, engine mounts, body panels, and chassis components. Its design ensures that critical parts remain fastened under the dynamic conditions experienced by commercial trucks, contributing to the overall safety and reliability of the vehicle ².

Key Features

The 4928945 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening. The flange at the base of the screw head provides additional contact area, enhancing the distribution of clamping force and reducing the likelihood of the screw pulling through the fastened material. Constructed from high-quality materials, this screw exhibits excellent durability and resistance to corrosion, making it suitable for the harsh environments often encountered in commercial truck operations ³.

Benefits

Utilizing the 4928945 Hexagon Flange Head Cap Screw offers several advantages. Its design enhances fastening security, ensuring that components remain firmly attached even under vibration and dynamic loads. The screw’s resistance to corrosion prolongs its service life, reducing the need for frequent replacements. Additionally, the hexagonal head allows for straightforward installation and removal, facilitating maintenance procedures.

Installation and Usage

Proper installation of the 4928945 Hexagon Flange Head Cap Screw is vital to ensure optimal performance. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct clamping force without over-tightening, which could damage the screw or the fastened material. Using the appropriate wrench or socket for the hexagonal head ensures precise application of torque. Best practices include cleaning the fastening area to remove any debris or corrosion that could affect the screw’s performance.

Troubleshooting and Maintenance

Common issues with the 4928945 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion over time. Regular inspection and maintenance can help identify and address these issues promptly. If loosening is detected, re-tightening to the specified torque is recommended. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help prolong the screw’s lifespan. Replacing screws that show significant wear or damage ensures continued reliable performance.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer with a long-standing history in the commercial truck industry. Known for its commitment to quality and innovation, Cummins produces a wide range of truck components, including the 4928945 Hexagon Flange Head Cap Screw. Their products are designed to meet the rigorous demands of commercial truck operations, ensuring reliability, durability, and performance. Cummins’ reputation is built on a foundation of excellence in manufacturing, supported by continuous investment in research and development to advance truck component technology.

Hexagon Flange Head Cap Screw 4928945 in Cummins Engines

The Cummins part number 4928945, a Hexagon Flange Head Cap Screw, is a critical component in various Cummins engine models. This screw is designed to secure different parts within the engine, ensuring structural integrity and operational efficiency. Here is how it fits into specific Cummins engine models:

4B3.9 and 6B5.9 Engines

In the 4B3.9 and 6B5.9 engines, the 4928945 screw is used to fasten components that require a secure and reliable connection. These engines are known for their robust design and performance, and the screw’s role in maintaining the integrity of these components is crucial.

6C8.3 and QSC8.3 CM2880 C102 Engines

The 6C8.3 and QSC8.3 CM2880 C102 engines also utilize the 4928945 screw. In these engines, the screw is often employed in securing parts that are subject to high stress and vibration, ensuring that the engine’s components remain tightly fastened and operational.

ISL9 CM2150 SN, ISL9.5 CM2880 L138, and QSL9 CM850 (CM2850) Engines

For the ISL9 CM2150 SN, ISL9.5 CM2880 L138, and QSL9 CM850 (CM2850) engines, the 4928945 screw is integral to the assembly of various engine parts. These engines are designed for high-performance applications, and the screw’s ability to provide a strong and reliable fastening solution is essential.

L8.9, L8.9 CM2670 L134C, and L9 CM2670 L128B Engines

In the L8.9, L8.9 CM2670 L134C, and L9 CM2670 L128B engines, the 4928945 screw is used to secure components that are critical to the engine’s operation. These engines are known for their durability and efficiency, and the screw’s role in maintaining the structural integrity of these components is vital.

QSL8.9 CM2150 L141 Engine

The QSL8.9 CM2150 L141 engine also incorporates the 4928945 screw in its design. This engine is built for reliability and performance, and the screw’s function in securing various parts is crucial to its overall functionality.

Each of these engines relies on the 4928945 Hexagon Flange Head Cap Screw to ensure that critical components are securely fastened, contributing to the engine’s overall performance and longevity.

Hexagon Flange Head Cap Screw in Engine Systems

The Hexagon Flange Head Cap Screw (part 4928945) is integral to the assembly and operation of various engine components. Its design allows for secure fastening and efficient torque transmission, making it a preferred choice in high-stress applications.

Flywheel Housing

In the flywheel housing, the Hexagon Flange Head Cap Screw ensures the secure attachment of the flywheel to the crankshaft. This connection is vital for the smooth transfer of rotational energy from the engine to the transmission system. The screw’s flange head provides additional surface area, enhancing the stability and reducing the risk of loosening under vibration.

Fuel Plumbing

When used in fuel plumbing systems, this screw plays a role in securing fuel lines and connectors. It ensures that the fuel system remains intact under varying pressure conditions, contributing to the overall reliability of fuel delivery to the engine. The screw’s design helps maintain a leak-free connection, which is essential for safe and efficient engine operation.

Turbocharger Arrangement

In turbocharger arrangements, the Hexagon Flange Head Cap Screw is employed to fasten the turbocharger to the engine block or exhaust manifold. This secure attachment is necessary to withstand the high temperatures and pressures generated during operation. The screw’s robust construction ensures that the turbocharger remains firmly in place, allowing for optimal performance and durability.

Conclusion

The 4928945 Hexagon Flange Head Cap Screw by Cummins is a vital component in the maintenance and operation of commercial trucks and engines. Its robust design, reliable performance, and key features make it an essential part in securing various components under dynamic and harsh conditions. Proper installation, regular maintenance, and understanding its role in different engine systems ensure the longevity and efficiency of the vehicle.