3916369
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3916369, is a component manufactured by Cummins, a well-established name in the automotive industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening and reliable performance under demanding conditions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The flange, a flat, circular plate at the base of the screw, provides additional surface area for distribution of the clamping force, enhancing the stability of the connection. Within a truck’s assembly, this screw is used to join various components securely, ensuring they remain intact despite vibrations and other stresses encountered during operation ¹.

Purpose and Role in Truck Operation

The 3916369 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is designed to fasten critical components, ensuring they remain securely attached under the dynamic conditions experienced by trucks. This screw is particularly useful in applications where vibration resistance and a high degree of fastening security are required ².

Key Features

The 3916369 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening and loosening. The flange at the base of the screw provides additional surface area, which helps in distributing the clamping force more evenly. This design reduces the risk of damage to the fastened components and enhances the overall stability of the connection. Additionally, the cap screw design ensures a snug fit, minimizing the possibility of loosening over time.

Benefits

Using the 3916369 Hexagon Flange Head Cap Screw offers several benefits. The hexagonal head allows for efficient and precise installation and removal, reducing the time required for maintenance tasks. The flange enhances the screw’s resistance to vibration, which is crucial in the demanding environment of commercial truck operation. Furthermore, the design of the screw ensures a secure and stable connection, contributing to the longevity and reliability of the fastened components ³.

Installation Process

Proper installation of the 3916369 Hexagon Flange Head Cap Screw is vital for ensuring optimal performance and longevity. Begin by ensuring the mating surfaces are clean and free of debris. Align the screw with the designated hole and start threading it by hand to avoid cross-threading. Once the screw is partially engaged, use a wrench or socket to continue tightening. It is important to apply the correct torque setting to avoid over-tightening, which can damage the screw or the fastened components. Refer to the manufacturer’s guidelines for the recommended torque specifications ⁴.

Maintenance Tips

Regular maintenance is key to prolonging the life of the 3916369 Hexagon Flange Head Cap Screw. Inspect the screw and the fastened components periodically for signs of wear, corrosion, or loosening. If any issues are detected, address them promptly to prevent further damage. Additionally, ensure that the screw is tightened to the correct torque setting during maintenance tasks to maintain the integrity of the connection.

Troubleshooting Common Issues

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and wear. To address loosening, ensure the screw is tightened to the correct torque setting and consider using a thread locker to enhance resistance to vibration. Corrosion can be mitigated by applying a protective coating or using screws made from corrosion-resistant materials. Wear can be addressed by replacing the screw if significant damage is observed.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive industry, with a long-standing reputation for quality and innovation. The company has a history of producing reliable and high-performance components for commercial trucks. Cummins is committed to advancing technology and maintaining high standards in manufacturing, ensuring that their products meet the rigorous demands of the industry.

Hexagon Flange Head Cap Screw 3916369 in Cummins Engines

The Cummins part number 3916369, a Hexagon Flange Head Cap Screw, is a critical component in various Cummins engine models. This screw is designed to provide secure fastening in applications where a robust and reliable connection is essential. Here’s how it fits into the specified Cummins engines:

6C8.3, C8.3 G, G8.3

In the 6C8.3, C8.3 G, and G8.3 engines, the 3916369 screw is often used in applications requiring high torque and durability. These engines, known for their reliability and performance, benefit from the screw’s ability to maintain tight connections under varying operational conditions.

C GAS PLUS CM556

The C GAS PLUS CM556 engine utilizes the 3916369 screw in several critical areas. Its flange head design ensures a secure fit, which is crucial for maintaining the integrity of components such as fuel injectors and other high-pressure systems.

ISC CM554, ISL CM554, QSC8.3 CM554

In the ISC CM554, ISL CM554, and QSC8.3 CM554 engines, the 3916369 screw is employed in various applications, including securing engine covers, exhaust systems, and other critical components. The screw’s design allows for easy installation and removal, which is essential for maintenance and repair operations.

QSB5.9 CM850, QSL9 CM554

For the QSB5.9 CM850 and QSL9 CM554 engines, the 3916369 screw is used in applications that demand high strength and resistance to wear. This includes securing various engine parts and ensuring that connections remain tight under high-stress conditions.

The use of the 3916369 Hexagon Flange Head Cap Screw across these Cummins engines highlights its versatility and importance in maintaining the structural integrity and performance of the engines.

Role of Part 3916369 Hexagon Flange Head Cap Screw in Engine Systems

The part 3916369 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and integrity throughout operation.

Integration with Engine Blocks and Cylinder Blocks

In the assembly of the engine block and cylinder block, the Hexagon Flange Head Cap Screw is utilized to fasten components such as the cylinder block kit. This ensures that all parts remain securely in place, maintaining the structural integrity of the block. The screw’s design allows for a tight and even distribution of force, which is essential for the longevity and performance of the engine.

Application in Crankshaft and Bearings

For the crankshaft and main bearings, as well as the crankshaft and bearings, the Hexagon Flange Head Cap Screw plays a significant role. It is used to secure bearing caps to the crankshaft, ensuring that the crankshaft remains aligned and operates smoothly. This is particularly important in high-stress environments where precision and reliability are paramount.

Use in Short Blocks and Long Blocks

In both short block and long block assemblies, this screw is employed to fasten various components. For instance, in a short block 6cart or a short engine kit, it secures the cylinder block to the crankcase, ensuring that all moving parts are held firmly in place. Similarly, in a long block, it is used to attach additional components such as the cylinder head, further enhancing the engine’s structural stability.

Role in Repair and Service Kits

Within repair kits and service kits, the Hexagon Flange Head Cap Screw is often included to replace worn or damaged fasteners. Its use in these kits ensures that during maintenance or repair procedures, the engine components are reassembled with the same level of security and integrity as the original assembly.

Customer Interface Software

Although the Hexagon Flange Head Cap Screw does not directly interact with customer interface software, its reliable performance indirectly supports the data accuracy provided by such software. Secure fastening of engine components ensures that the engine operates within specified parameters, which in turn allows the software to provide accurate diagnostics and performance metrics.

Conclusion

In summary, the Hexagon Flange Head Cap Screw is a versatile and essential component in the assembly and maintenance of various engine systems, contributing to the overall reliability and performance of the engine.