4891024
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 4891024, is a component manufactured by Cummins, a well-regarded name in the automotive industry. This screw plays a significant role in the maintenance and operation of commercial trucks. Cummins is known for its commitment to quality and reliability, making this part a valuable asset in the realm of truck maintenance.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flange, which provides a larger bearing surface and helps prevent the screw from being pulled through the material. In the automotive industry, these screws are commonly used for securing various components due to their robust design and reliable performance. Mechanically, the hexagonal head allows for efficient torque application, ensuring secure fastening, while the flange distributes load and enhances stability ¹.

Purpose and Role in Truck Operation

This Cummins part is specifically designed for use in commercial trucks. It serves to fasten critical components, ensuring they remain securely in place under various operating conditions. This screw contributes to the overall functionality and reliability of truck components by providing a strong and stable connection. Its design is tailored to withstand the rigors of heavy-duty applications, making it an integral part of truck maintenance ².

Key Features

The 4891024 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and durability. Its design includes a hexagonal head for easy torque application and a flange that provides additional bearing surface and prevents pull-through. The screw is composed of high-quality materials, ensuring resistance to corrosion and wear. Additionally, its unique attributes, such as precise threading and robust construction, contribute to its reliable performance in demanding environments ³.

Benefits

Using the 4891024 Hexagon Flange Head Cap Screw offers several benefits. It provides improved fastening strength, ensuring components remain securely attached. The screw’s design also offers resistance to vibration, which is crucial in the dynamic environment of a commercial truck. Furthermore, its durability allows it to perform well in harsh operating conditions, contributing to the longevity and reliability of truck components.

Installation and Usage

Proper installation of the 4891024 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 fastening tension. Best practices include using the appropriate tools for installation, ensuring the mating surfaces are clean and free of debris, and periodically checking the screw’s tightness to maintain secure fastening.

Troubleshooting and Maintenance

Common issues with the 4891024 Hexagon Flange Head Cap Screw may include loosening or corrosion. To address these problems, regular inspection and maintenance are recommended. If loosening is detected, re-torque the screw to the specified value. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help prolong the screw’s lifespan. Routine checks and maintenance will ensure continued reliable operation.

Cummins Overview

Cummins is a reputable manufacturer in the automotive industry, known for its commitment to quality and innovation. The company has a long-standing reputation for producing reliable truck components that meet the demands of heavy-duty applications. Cummins’ dedication to excellence is reflected in its wide range of products, including the 4891024 Hexagon Flange Head Cap Screw, which is designed to deliver performance and durability in commercial truck maintenance.

Cummins Engine Models Utilizing Part 4891024

The Cummins part number 4891024, a Hexagon Flange Head Cap Screw, is a critical component used in various Cummins engine models. This part is designed to secure and hold together different parts of the engine, ensuring structural integrity and operational efficiency. Below is a detailed look at how this part fits into specific Cummins engine models:

ISB CM850 and ISBE4 CM850

The Hexagon Flange Head Cap Screw (part 4891024) is utilized in the ISB CM850 and ISBE4 CM850 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The screw is typically used in areas where a strong, secure fastening is necessary, such as attaching engine covers or securing critical engine components.

ISB/ISD4.5 CM2150 B119

In the ISB/ISD4.5 CM2150 B119 engine, the part 4891024 plays a crucial role in maintaining the integrity of the engine’s structure. This engine variant is designed for high-performance applications, and the screw’s ability to provide a tight, reliable connection is essential for its operation. The screw is often used in the assembly of engine blocks, ensuring that all parts are securely fastened and aligned.

ISBE CM800

The ISBE CM800 engine also incorporates the Hexagon Flange Head Cap Screw (part 4891024) in its design. This engine is known for its durability and efficiency, often used in industrial and marine applications. The screw’s design allows for easy installation and removal, which is beneficial during maintenance and repair processes. It is used in various parts of the engine, including the attachment of engine covers and securing internal components.

ISF3.8 CM2220 AN

Lastly, the ISF3.8 CM2220 AN engine utilizes the part 4891024 to ensure the secure fastening of its components. This engine is designed for high-performance and reliability, often used in demanding applications. The screw’s hexagonal flange head provides a large surface area for torque application, ensuring that the connection remains tight and secure under operational stresses.

Role of Part 4891024 in Engine Systems

This Cummins part is instrumental in securing and maintaining the integrity of various engine components. Its application ensures that parts remain firmly in place, contributing to the overall performance and reliability of the engine system.

Connecting Rod and Piston Assembly

In the connecting rod and piston assembly, the Hexagon Flange Head Cap Screw is used to secure the connecting rod to the piston. This connection is vital for transmitting the force generated by the combustion process to the crankshaft, thereby converting linear motion into rotational motion. The screw’s design ensures a tight and secure fit, minimizing the risk of loosening under the high stresses and vibrations encountered during engine operation.

Cylinder Head Attachment

The cylinder head is another area where the Hexagon Flange Head Cap Screw plays a significant role. It is employed to fasten the cylinder head to the engine block. This connection is essential for maintaining the seal between the head and the block, which is critical for preventing leaks and ensuring efficient combustion. The flange head of the screw provides additional surface area for a more robust attachment, enhancing the seal’s integrity.

General Cylinder and Head Components

Beyond specific assemblies, the Hexagon Flange Head Cap Screw is widely used throughout the cylinder and head components. It secures various parts such as valve covers, intake manifolds, and exhaust manifolds. These applications require a screw that can withstand high temperatures and pressures while providing a secure and lasting connection. The flange head design offers improved torque application, reducing the likelihood of stripping or damaging the fastener during installation or removal.

Performance Enhancement

The use of Hexagon Flange Head Cap Screws in these applications directly contributes to the engine’s performance. By ensuring that all components are securely fastened, the screw helps maintain the precise alignment and spacing required for optimal engine function. This, in turn, enhances the engine’s efficiency, power output, and longevity. The robust design of the screw also aids in distributing loads evenly across the fastening area, reducing stress concentrations that could lead to failure.

Conclusion

In summary, the Cummins part number 4891024 is a versatile and essential component in various Cummins engine models. Its design and functionality make it suitable for securing critical engine parts, ensuring the engine’s structural integrity and operational efficiency. The Hexagon Flange Head Cap Screw plays a key role in maintaining the secure assembly and performance of various engine components, contributing to the overall reliability and efficiency of Cummins engines.