3910497
Socket Head Cap Screw
Cummins®

The Socket Head Cap Screw, specifically Part #3910497 by Cummins, is a vital component in the realm of commercial trucks. This screw is designed to provide secure fastening in various applications within the truck’s structure and systems. Cummins, a renowned manufacturer in the commercial truck industry, produces this part, ensuring it meets the rigorous demands of heavy-duty operations ¹.

Basic Concepts of Socket Head Cap Screws

A Socket Head Cap Screw is a type of fastener characterized by its cylindrical head with a hex socket that allows for easy tightening and loosening using a hex key. This design facilitates efficient and precise torque application, making it suitable for a wide range of fastening applications. The screw’s threaded shaft engages with the internal threads of a nut or directly into a tapped hole, providing a strong and reliable connection ².

Purpose of the 3910497 Socket Head Cap Screw in Truck Operations

This part plays a significant role in the operation and maintenance of commercial trucks. It is used to secure various components and assemblies, ensuring they remain firmly in place under the dynamic and demanding conditions of truck operations. This screw is particularly important in applications where vibration resistance and secure fastening are critical ³.

Key Features

The 3910497 Socket Head Cap Screw boasts several key features that enhance its performance and reliability. It is constructed from high-strength materials, typically alloy steel, to withstand the substantial loads and stresses encountered in commercial truck applications. The screw features a fine or coarse thread, depending on the specific application, to provide optimal holding power. Its hex socket head design allows for easy installation and removal using a hex key, ensuring precise torque application. Additionally, the screw may be treated with special coatings or finishes to enhance corrosion resistance and prolong its service life ¹.

Benefits

Using the 3910497 Socket Head Cap Screw offers several advantages. Its high-strength material ensures superior load-bearing capacity, making it suitable for heavy-duty applications. The screw’s design allows for easy and precise installation, reducing the risk of over-tightening or under-tightening. Its corrosion-resistant properties help protect against environmental factors, ensuring longevity and reliability. Furthermore, the hex socket head design facilitates quick and efficient fastening, enhancing productivity during maintenance and repair operations ².

Installation and Usage

Proper installation of this Cummins part is crucial to ensure its effectiveness and longevity. It is recommended to use a hex key that fits snugly into the screw’s socket to apply the specified torque. Torque specifications should be followed closely to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise the fastening integrity. Using the appropriate tools and techniques will help achieve the desired torque and ensure a secure connection ³.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws may include loosening due to vibration, corrosion, or improper installation. Regular inspection and maintenance can help identify and address these issues promptly. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected area should be cleaned, and the screw may need to be replaced if significant damage is present. Proper lubrication can also help prevent seizing and facilitate easier removal in the future ¹.

Safety Considerations

When working with Socket Head Cap Screws, it is important to observe several safety practices. Ensure that the work area is clean and free of debris to prevent contamination of the screw or the mating surface. Use the correct tools and follow torque specifications to avoid damage to the screw or the components being fastened. Wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Additionally, store screws in a dry, corrosion-resistant environment to maintain their integrity ².

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation for quality, reliability, and innovation in the commercial truck industry. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry ³.

Socket Head Cap Screw 3910497 in Cummins Engines

The Socket Head Cap Screw 3910497, manufactured by Cummins, is a critical component in various Cummins engine models. This part is integral to the assembly and maintenance of these engines, ensuring secure fastening and structural integrity.

ISB/ISD4.5 CM2150 B119 and QSB4.5 CM850(CM2850)

The Socket Head Cap Screw 3910497 is utilized in the ISB/ISD4.5 CM2150 B119 and QSB4.5 CM850(CM2850) engines. These engines, known for their reliability and performance, incorporate this screw in several key areas, such as securing engine covers and housings. The precision and strength of the screw are essential for maintaining the engine’s operational efficiency and longevity ¹.

ISB/ISD6.7 CM2150 SN and QSB6.7 CM850(CM2850)

In the larger ISB/ISD6.7 CM2150 SN and QSB6.7 CM850(CM2850) engines, the Socket Head Cap Screw 3910497 plays a similar role. Given the higher power output and larger components of these engines, the screw’s ability to withstand greater stress and provide a tight, secure fit is crucial. It is used extensively in securing various engine parts, ensuring that the engine operates smoothly under demanding conditions ².

ISBE CM2150, ISBE CM800, and ISBE4 CM850

The ISBE CM2150, ISBE CM800, and ISBE4 CM850 engines also rely on the Socket Head Cap Screw 3910497. These engines, often used in heavy-duty applications, require robust fastening solutions. The screw’s design ensures that critical components remain securely fastened, contributing to the engine’s overall durability and performance ³.

ISZ13 CM2150 Z105 and QSB7 CM2880 B117

In the ISZ13 CM2150 Z105 and QSB7 CM2880 B117 engines, the Socket Head Cap Screw 3910497 is used in specific applications where high strength and precision are required. These engines, designed for specialized uses, benefit from the screw’s ability to provide a reliable and secure fastening solution in challenging environments ¹.

QSK78 CM500

The QSK78 CM500 engine also incorporates the Socket Head Cap Screw 3910497. This engine, known for its high power output and efficiency, uses the screw in various critical assemblies. The screw’s role in maintaining the structural integrity of the engine is vital for its performance and reliability ².

Role of Part 3910497 Socket Head Cap Screw in Engine Systems

The Socket Head Cap Screw, identified by part number 3910497, is integral to the assembly and functionality of various engine components. Its role is multifaceted, ensuring secure fastening and reliable operation across different systems.

Compressor and Refrigerant Systems

In refrigerant compressor mounting applications, the Socket Head Cap Screw is utilized to secure the compressor to its mounting bracket. This ensures that the compressor remains stable during operation, minimizing vibrations that could lead to performance issues or damage. Additionally, in refrigerant systems, these screws are employed to fasten components such as the drive and hydraulic drive, ensuring that all parts remain aligned and function efficiently ³.

Water Pump and Accessory Drives

For water pumps, the Socket Head Cap Screw is essential in attaching the pump to the engine block or housing. This secure attachment is vital for maintaining the pump’s position and ensuring a consistent flow of coolant through the engine. In front gear train accessory drives, these screws are used to fasten gears and pulleys, ensuring that the drive components remain in proper alignment and operate smoothly ¹.

Installer Kits and Performance Parts

Within installer kits, the Socket Head Cap Screw is a common component used to assemble various parts securely. These kits often include performance-enhancing parts, where the reliability of the fastening method is paramount. The screw’s design allows for easy installation and removal, facilitating maintenance and upgrades without compromising the integrity of the assembly ².

General Application Across Engine Systems

Across all these applications, the Socket Head Cap Screw’s role is to provide a strong, durable connection that can withstand the stresses and vibrations inherent in engine operation. Its use in fastening critical components ensures that engine systems perform reliably and efficiently, contributing to the overall performance and longevity of the engine ³.

Conclusion

The 3910497 Socket Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial trucks and various Cummins engine models. Its high-strength material, precise design, and corrosion-resistant properties make it suitable for heavy-duty applications. Proper installation, regular maintenance, and adherence to safety practices are essential to ensure the screw’s effectiveness and longevity. Cummins’ reputation for quality and reliability underscores the importance of this part in ensuring the performance and durability of commercial truck engines.