4900283
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, specifically Part #4900283 by Cummins, is a significant component in commercial truck maintenance. Cummins, a reputable manufacturer, produces this screw, which is integral to various mechanical assemblies in trucks. Understanding its role and functionality is essential for maintaining the efficiency and safety of commercial vehicles.

Basic Concepts

A Hexagon Flange Head Cap Screw is a fastener with a hexagonal head and a flange that sits against the surface being fastened. This design allows for secure and stable connections in mechanical assemblies. The screw is commonly used in applications requiring strength, stability, and ease of installation. It provides a secure fastening mechanism that can withstand significant loads and stresses ¹.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation of commercial trucks. It is utilized in areas where secure fastening is necessary to maintain the integrity of the truck’s components. This screw contributes to the overall functionality and safety of the vehicle by ensuring that critical parts remain firmly in place, even under demanding conditions ².

Key Features

The 4900283 is distinguished by several key features. Its design includes a hexagonal head for easy installation using standard tools, and a flange that provides additional surface contact, enhancing stability. The screw is typically made from high-strength materials, ensuring durability and resistance to wear. These attributes contribute to its reliable performance in demanding truck applications ³.

Benefits

Utilizing the 4900283 offers several advantages. It provides improved load distribution due to its flange design, which helps in evenly spreading the load across a larger surface area. This screw also offers enhanced security in fastening applications, reducing the risk of loosening over time. Additionally, its resistance to vibration and loosening ensures that it remains securely fastened in dynamic environments, such as those encountered in truck operations.

Installation Considerations

Proper installation of the 4900283 is vital for its effective performance. It is recommended to follow specific torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level, avoiding over-tightening or under-tightening. Using the appropriate tools for installation is also important to prevent damage to the screw or the surfaces it is fastening.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues promptly. If a screw appears loose, it should be re-tightened to the manufacturer’s specifications. In cases of corrosion, the affected area should be cleaned, and the screw may need to be replaced to ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its wide range of high-quality components. With a rich history and a strong reputation for reliability, Cummins is a trusted source for truck parts. Their product range includes engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of commercial truck operations. Cummins’ commitment to quality and innovation makes them a preferred choice for truck components, including the 4900283.

Cummins Hexagon Flange Head Cap Screw (Part 4900283) in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, identified by part number 4900283, is a critical component in the assembly and maintenance of several engine models. This part is integral to the structural integrity and operational efficiency of the engines, ensuring secure fastening of various components.

Application in Engine Models

A1400 and A1700 Engines

The A1400 and A1700 engines, known for their robust design and reliability, utilize the 4900283 screw in several key areas. These engines, often found in industrial and commercial applications, require precise fastening to maintain alignment and performance. The screw is typically used in securing engine covers, housings, and other critical components that are subject to high stress and vibration.

A2000 and A2300 Engines

Similarly, the A2000 and A2300 engines benefit from the use of the 4900283 screw. These engines, which are part of a series designed for heavy-duty applications, incorporate this screw in various mounting and fastening tasks. The screw’s design allows for tight and secure connections, which is essential for the longevity and efficiency of these engines. It is often used in applications where high torque and durability are required, such as in the fastening of engine blocks and other heavy-duty components.

Grouping by Application

In the A1400 and A1700 engines, the 4900283 screw is frequently used in the following applications:

• Securing engine covers
• Fastening internal housings
• Mounting auxiliary components

For the A2000 and A2300 engines, the screw is commonly employed in:

• Engine block mounting
• Heavy-duty component fastening
• Structural integrity maintenance

The consistent use of the 4900283 screw across these engine models underscores its importance in ensuring reliable and efficient engine operation. Its design and material properties make it suitable for the demanding environments in which these engines operate.

Role of Part 4900283 Hexagon Flange Head Cap Screw in Engine Systems

The part 4900283 Hexagon Flange Head Cap Screw is integral to the assembly and functionality of several key components within engine systems. Its design and specifications make it particularly suitable for applications where secure fastening and resistance to vibration are required.

Flywheel Housing

In the flywheel housing, the 4900283 screw is often used to secure the housing to the engine block. This ensures that the flywheel is properly aligned and that the housing remains intact under the stresses of engine operation. The flange head of the screw provides additional surface area for distribution of clamping force, reducing the risk of stripping or damage to the housing material.

Front Gear Cover

When attaching the front gear cover, the 4900283 screw plays a significant role in maintaining the seal and structural integrity of the cover. The hexagonal head allows for easy tightening using a wrench, ensuring that the cover is fastened to the specified torque without over-tightening, which could lead to damage.

Housing

For general housing applications, the 4900283 screw is employed to fasten various housings to the engine or other components. Its cap screw design ensures a tight and secure fit, which is essential for housings that may be subject to high vibrations or thermal expansion.

Flywheel

In applications involving the flywheel, the 4900283 screw is used to secure components such as the flywheel cover or inspection plates. The robust nature of the flange head cap screw ensures that these components remain firmly in place, contributing to the overall balance and performance of the flywheel system.

Conclusion

Overall, the 4900283 Hexagon Flange Head Cap Screw is a versatile fastener that enhances the reliability and performance of engine components by providing secure and vibration-resistant connections. Its use in various critical applications within engine systems underscores its importance in maintaining the structural integrity and operational efficiency of commercial trucks.