4900397
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 4900397, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to the mechanical systems of commercial trucks, ensuring reliable performance and durability. Cummins is renowned for its commitment to quality and innovation, making this part a trusted choice for truck manufacturers and maintenance professionals.

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 torque application using standard tools, while the flange provides additional surface area for load distribution and prevents the screw from being driven too far into the material. In a truck’s mechanical system, these screws are used to secure various components, ensuring structural integrity and reliable operation.

Purpose and Role in Truck Operation

The 4900397 Hexagon Flange Head Cap Screw plays a significant role in the operation of commercial trucks. It is utilized in applications where secure fastening is required, such as attaching brackets, panels, and other structural components. Its design ensures that the connected parts remain firmly in place under various operating conditions, contributing to the overall safety and performance of the truck.

Key Features

The 4900397 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality:

• Hexagonal Head Design: Allows for easy and precise torque application.
• Flange Characteristics: Provides additional load distribution and prevents over-driving.
• Material Properties: Typically made from high-strength steel, ensuring durability and resistance to wear and corrosion.

Benefits

The benefits of using the 4900397 Hexagon Flange Head Cap Screw include:

• Enhanced Durability: The high-strength material ensures long-lasting performance under demanding conditions. ¹
• Improved Load Distribution: The flange design helps distribute loads more evenly, reducing stress on the screw and the connected components. ²
• Ease of Installation: The hexagonal head allows for straightforward installation using common tools, minimizing downtime during maintenance.

Installation Process

Proper installation of the 4900397 Hexagon Flange Head Cap Screw involves the following steps:

1. Preparation: Ensure the mating surfaces are clean and free of debris.
2. Alignment: Position the screw correctly to align with the designated hole.
3. Torque Application: Use a torque wrench to apply the recommended torque specification, ensuring the screw is tightened to the proper level without over-tightening.
4. Inspection: Verify that the screw is securely fastened and that the flange is flush with the surface.

Troubleshooting and Maintenance

Common issues with the 4900397 Hexagon Flange Head Cap Screw may include loosening over time or corrosion. To address these:

• Regular Inspection: Check screws periodically for signs of loosening or wear.
• Re-tightening: If screws are found to be loose, re-tighten them to the specified torque.
• Corrosion Prevention: Apply a corrosion-resistant coating if operating in harsh environments to extend the screw’s lifespan.

Common Applications

The 4900397 Hexagon Flange Head Cap Screw is commonly used in various components and systems within commercial trucks, including:

• Structural Attachments: Securing brackets, panels, and other structural elements.
• Engine Components: Fastening engine mounts and other critical engine parts.
• Chassis Systems: Attaching components to the truck’s chassis for enhanced stability.

Safety Considerations

When working with the 4900397 Hexagon Flange Head Cap Screw, consider the following safety practices:

• Proper Handling: Use appropriate tools and techniques to avoid injury.
• Torque Specifications: Adhere to the manufacturer’s torque specifications to prevent over-tightening or under-tightening.
• Personal Protective Equipment (PPE): Wear suitable PPE, including gloves and safety glasses, to protect against potential hazards.

Cummins Overview

Cummins is a leading manufacturer in the commercial truck industry, known for its high-quality engines and components. With a history of innovation and a strong reputation for reliability, Cummins continues to be a trusted partner for truck manufacturers and maintenance professionals worldwide. Their commitment to quality ensures that components like the 4900397 Hexagon Flange Head Cap Screw meet the rigorous demands of commercial truck operations.

Cummins Hexagon Flange Head Cap Screw 4900397 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 4900397, is a critical component in the assembly and maintenance of various engine models. This part is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of the engine’s structure.

A1400 and A1700 Engines

In the A1400 and A1700 engines, the 4900397 screw is utilized in several key areas. These engines, known for their robust design and performance, require precise and durable fasteners to maintain their operational efficiency. The screw’s flange head provides a large bearing surface, distributing the load evenly and preventing damage to the mating parts. This is particularly important in the high-pressure and high-temperature environments typical of these engines.

A2000 and A2300 Engines

The A2000 and A2300 engines also benefit from the use of the 4900397 screw. These engines, which are part of a more advanced series, incorporate this screw in various critical assemblies. The screw’s design ensures that it can withstand the rigors of continuous operation, providing a reliable connection that is essential for the engine’s performance and longevity.

Common Applications

Across these engines, the 4900397 screw is commonly used in applications where secure fastening is paramount. This includes, but is not limited to, securing engine covers, attaching components to the engine block, and ensuring the proper alignment of various parts. The screw’s ability to maintain its structural integrity under high stress makes it an ideal choice for these demanding applications.

Material and Performance

The 4900397 screw is manufactured from high-quality materials, ensuring durability and resistance to corrosion. This is crucial in engine environments where exposure to various fluids and high temperatures can lead to degradation of fasteners. The screw’s performance characteristics are designed to meet the stringent requirements of engine applications, providing a reliable and long-lasting solution.

Role of Part 4900397 Hexagon Flange Head Cap Screw in Engine Systems

The part 4900397 Hexagon Flange Head Cap Screw is integral to the assembly and secure functioning of various engine components. Its design and material properties make it suitable for applications where both strength and resistance to loosening are required.

Fan Pilot Spacer

In the context of the fan pilot spacer, the 4900397 screw ensures that the fan is correctly aligned and maintained at the proper distance from the engine components. This alignment is essential for the efficient operation of the cooling system, as it allows the fan to draw air through the radiator effectively without interfering with other parts.

Oil Pan

When used with the oil pan, the 4900397 screw plays a role in securing the pan to the engine block. This is important for maintaining the integrity of the oil sump, ensuring that oil does not leak and that the pan remains firmly in place under the dynamic conditions of engine operation.

Pan

Similarly, in applications where a pan is used to cover or protect other engine components, the 4900397 screw is employed to fasten the pan securely. This prevents the pan from becoming dislodged or vibrating loose, which could lead to exposure of sensitive parts or loss of containment for fluids or small components.

Oil

In systems where an oil reservoir or auxiliary oil pan is present, the 4900397 screw is used to attach the oil container to the engine or chassis. This secure attachment is vital for maintaining the structural stability of the oil system and preventing any potential oil leaks that could arise from a loose connection.

The 4900397 Hexagon Flange Head Cap Screw, through its applications in these components, contributes to the overall reliability and performance of the engine system. Its flange head design provides additional surface area for torque application, reducing the risk of screw stripping and enhancing the fastening security in high-vibration environments typical of engine operation.

Conclusion

The 4900397 Hexagon Flange Head Cap Screw by Cummins is a vital component in the assembly and maintenance of commercial truck engines. Its robust design, high-strength material, and flange head characteristics ensure secure fastening in high-stress environments, contributing to the overall reliability and performance of the engine system. Proper installation, regular maintenance, and adherence to safety practices are essential to maximize the benefits of this Cummins part.