3640543
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3640543, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is significant in the realm of truck maintenance due to its robust design and reliable performance. Cummins, known for its high-quality truck components, ensures that this screw meets the demanding requirements of commercial truck operations ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flange. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute the load more evenly. In the context of truck components, this screw is used to secure various parts, ensuring they remain firmly in place under operational stress ².

Purpose and Role in Truck Operation

The 3640543 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck systems where secure fastening is required. This includes, but is not limited to, engine components, chassis parts, and other critical assemblies. The screw’s design ensures that it can withstand the vibrations and stresses inherent in truck operations, maintaining the integrity of the fastened components ³.

Key Features

The 3640543 Hexagon Flange Head Cap Screw boasts several key features that contribute to its effectiveness and durability. Its hexagonal head design allows for straightforward and secure tightening using common tools. The flange characteristic provides an increased surface area, which helps in distributing the clamping force more evenly. Additionally, the cap screw functionality ensures that it can penetrate and secure components effectively, reducing the risk of loosening over time.

Benefits

Using the 3640543 Hexagon Flange Head Cap Screw in truck maintenance offers several benefits. One of the primary advantages is improved fastening security, which is crucial in environments where components are subject to constant vibration and stress. The screw’s design also enhances resistance to vibration, ensuring that fastened parts remain secure over extended periods. Furthermore, the ease of installation and removal makes it a practical choice for maintenance tasks, reducing downtime and improving efficiency.

Troubleshooting and Maintenance

To troubleshoot common issues related to the 3640543 Hexagon Flange Head Cap Screw, it is important to regularly inspect the screw for signs of wear or damage. If corrosion is detected, cleaning and reapplying a suitable anti-corrosion coating can help extend the screw’s lifespan. Maintenance practices such as periodic tightening and ensuring that the screw is not over-torqued can also contribute to its longevity and optimal performance.

Installation and Usage

Proper installation of the 3640543 Hexagon Flange Head Cap Screw involves several steps to ensure secure fastening. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use the appropriate tool to drive the screw into place, applying even pressure to avoid cross-threading. It is important to torque the screw to the manufacturer’s specified levels to ensure it is neither under-tightened nor over-tightened. Following these best practices will help avoid common pitfalls and ensure a secure fastening.

Cummins Overview

Cummins is a renowned manufacturer with a rich history in producing high-quality truck components. The company’s expertise in engineering and manufacturing is evident in its commitment to quality and innovation. Cummins components, including the 3640543 Hexagon Flange Head Cap Screw, are designed to meet the rigorous demands of commercial truck operations, providing reliability and performance that truck operators can depend on.

Hexagon Flange Head Cap Screw 3640543 in Cummins Engines

The Cummins Hexagon Flange Head Cap Screw, part number 3640543, is a critical component in several Cummins engine models. This screw is designed to provide a secure fastening solution, ensuring that various parts of the engine remain tightly connected under operational conditions.

QSK45 CM500 and QSK60 CM500

In the QSK45 CM500 and QSK60 CM500 engines, the 3640543 screw is utilized in several key areas. These engines, known for their robust performance and reliability, require precise fastening to maintain structural integrity and operational efficiency. The screw’s flange head design allows for easy installation and removal, which is crucial during maintenance and repair procedures.

QSK60 CM850 MCRS and QSK60 G CM2358 K110

For the QSK60 CM850 MCRS and QSK60 G CM2358 K110 engines, the 3640543 screw plays a pivotal role in securing various engine components. The MCRS variant, which includes advanced emission control systems, relies on this screw to ensure that all parts are firmly attached. Similarly, the QSK60 G CM2358 K110 engine, which is designed for heavy-duty applications, uses this screw to maintain the stability of its components under demanding conditions.

QSK60G

The QSK60G engine also benefits from the use of the 3640543 screw. This engine model, known for its versatility and durability, incorporates this screw in several critical areas to ensure that all parts are securely fastened. The screw’s design allows for efficient assembly and disassembly, which is essential for both routine maintenance and more extensive repair work.

QSK95 CM2350 K110 and QSK95 CM2350 K113

Finally, the QSK95 CM2350 K110 and QSK95 CM2350 K113 engines utilize the 3640543 screw in various applications. These high-performance engines require reliable fastening solutions to maintain their structural integrity and operational efficiency. The screw’s flange head design facilitates easy installation and removal, which is crucial for both maintenance and repair procedures.

Overall, the Cummins Hexagon Flange Head Cap Screw, part number 3640543, is an essential component in ensuring the reliability and performance of these Cummins engine models. Its design and functionality make it a critical part of the engine’s assembly, providing secure fastening and ease of maintenance.

Role of Part 3640543 Hexagon Flange Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3640543 Hexagon Flange Head Cap Screw serves as a fundamental fastening component, ensuring the secure attachment and alignment of various critical components.

Block and Cylinder Assembly

Within the block and cylinder assembly, the Hexagon Flange Head Cap Screw is employed to fasten the cylinder to the block. This secure attachment is essential for maintaining the structural integrity of the engine, ensuring that the cylinder remains firmly in place during operation. The screw’s design allows for a tight and stable connection, which is vital for the engine’s performance and durability.

Crankshaft and Bearings

In the crankshaft and bearings setup, the Hexagon Flange Head Cap Screw is utilized to secure the bearings in place. This is important for the smooth rotation of the crankshaft, as any misalignment or looseness can lead to increased friction and wear. The screw’s flange head provides additional surface area for torque application, enhancing the stability of the bearing assembly.

Cylinder Block and Hardware Kit

When integrating the cylinder block hardware kit with the cylinder block, the Hexagon Flange Head Cap Screw plays a key role in securing various components such as brackets, mounts, and spacers. This ensures that all parts are correctly positioned and tightly fastened, which is essential for the overall stability and functionality of the cylinder block.

Gear Housing

In the gear housing, the Hexagon Flange Head Cap Screw is used to secure the housing to the engine block or other structural components. This connection is vital for maintaining the alignment and stability of the gear housing, which in turn ensures the proper functioning of the gear system within the engine.

Piston Cooling Nozzle Kit

For the piston cooling nozzle kit, the Hexagon Flange Head Cap Screw is employed to attach the nozzle to the engine block or cylinder head. This secure attachment is necessary for the effective operation of the cooling system, as it ensures that the nozzle remains in the correct position to deliver cooling fluid to the piston.

Overall, the part 3640543 Hexagon Flange Head Cap Screw is a versatile and essential component in the assembly and maintenance of engine systems, providing the necessary fastening power and stability for a wide range of critical engine components.

Conclusion

The 3640543 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, reliable performance, and ease of use make it an indispensable part in ensuring the structural integrity and operational efficiency of various engine components. Regular maintenance and proper installation practices are essential to maximize the lifespan and effectiveness of this Cummins part.

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