4900387
Socket Head Cap Screw
Cummins®

Introduction

The Socket Head Cap Screw Part #4900387 is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to various applications within commercial trucks, contributing to the overall efficiency and reliability of truck operations.

Basic Concepts of Socket Head Cap Screws

Socket Head Cap Screws are fasteners characterized by a hexagonal socket in the head, allowing for torque application using a hex key. They are widely used in mechanical applications due to their strength and the ability to provide a secure fit. These screws function by converting torque into clamping force, which holds components together securely ¹.

Purpose of Socket Head Cap Screw Part #4900387 in Truck Operations

This part plays a specific role in the operation and maintenance of commercial trucks. It is designed to fasten critical components, ensuring they remain securely in place under various operational conditions. This screw is particularly useful in applications where high strength and resistance to loosening are required ².

Key Features

This Cummins part is constructed from high-quality materials, ensuring durability and reliability. Its design includes a hexagonal socket for easy installation and removal using a hex key. Additionally, the screw features a cap head that provides a larger bearing surface, distributing the clamping force more effectively.

Benefits

Using this part offers several advantages. Its material composition and design contribute to enhanced durability, making it suitable for demanding truck applications. The screw’s reliability ensures consistent performance, while its ease of use with a hex key simplifies installation and maintenance procedures.

Installation and Usage Guidelines

To ensure optimal performance and longevity, follow these guidelines for installing the Socket Head Cap Screw Part #4900387:

1. Select the appropriate hex key for the screw size.
2. Align the screw with the designated hole in the component.
3. Insert the hex key into the socket and turn clockwise to tighten the screw.
4. Ensure the screw is tightened to the manufacturer’s recommended torque specification to avoid over-tightening or under-tightening.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws may include loosening over time or damage to the hex socket. To address these issues:

• Regularly inspect screws for signs of wear or loosening.
• Replace any damaged screws promptly to maintain the integrity of the fastened components.
• Use the correct torque specifications during installation to prevent over-tightening, which can lead to screw or component damage ³.

Safety Considerations

When working with Socket Head Cap Screws, observe the following safety guidelines:

• Wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury.
• Ensure the work area is clean and free of debris to prevent accidents.
• Use the correct tools and follow torque specifications to avoid damaging the screw or the components being fastened.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and expertise make it a trusted partner for commercial truck manufacturers and operators worldwide.

Socket Head Cap Screw 4900387 in Cummins Engines

A1400 and A1700 Engines

In the A1400 and A1700 engines, 4900387 is utilized in multiple applications. It is commonly found in the engine’s head assembly, where it secures the cylinder head to the engine block. This ensures that the combustion chamber is properly sealed, preventing leaks and maintaining optimal engine performance. Additionally, this screw is used in other critical areas such as the intake and exhaust manifolds, where it helps to maintain the alignment and stability of these components.

A2000 and A2300 Engines

For the A2000 and A2300 engines, 4900387 plays a similar role but is also employed in more complex assemblies. In these larger engines, the screw is used in the head assembly, as well as in the engine’s main body and various sub-assemblies. Its use in these engines extends to securing components such as the turbocharger housing, where it ensures the turbocharger is firmly attached and properly aligned. Furthermore, it is used in the engine’s cooling system to secure radiators and other cooling components, ensuring efficient heat dissipation.

Common Applications

Across all these engines, 4900387 is a versatile component that provides the necessary strength and reliability for high-stress applications. Its design allows for easy installation and removal, which is crucial during routine maintenance and repairs. The screw’s material and finish are specifically chosen to withstand the harsh conditions within the engine, including high temperatures and pressures.

Role of Part 4900387 Socket Head Cap Screw in Engine Systems

This part is integral to the assembly and maintenance of various engine components, ensuring secure and reliable connections. In the context of a pump, this screw is often used to fasten the pump housing to the engine block or other mounting surfaces. Its role here is to provide a strong, vibration-resistant connection that can withstand the dynamic forces generated during operation. The screw’s design allows for easy installation and removal, facilitating routine maintenance and repairs.

In the lubricating oil system, the Socket Head Cap Screw is commonly employed to secure oil filters, pressure relief valves, and other critical components. By ensuring these parts are firmly attached, the screw helps maintain the integrity of the oil flow, which is essential for engine lubrication and cooling. Additionally, it plays a part in sealing connections, preventing oil leaks that could lead to decreased efficiency or potential engine damage.

Conclusion

Overall, the 4900387 Socket Head Cap Screw is a versatile fastener that contributes to the durability and performance of engine systems by providing secure, reliable connections across a variety of components.