3255476
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw is a fundamental component in the automotive industry, particularly in the realm of commercial trucks. This type of fastener is integral to the assembly and maintenance of various vehicle components due to its robust design and reliable performance. Cummins, a renowned manufacturer in the automotive sector, produces the 3255476 Hexagon Head Cap Screw, which is specifically engineered for heavy-duty applications ¹.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is characterized by its hexagonal head, which allows for efficient torque application using standard tools such as wrenches or sockets. This design ensures a secure fastening solution in various applications across different industries. The cap screw’s threaded shaft engages with the internal threads of a nut or directly into a tapped hole, providing a strong and durable connection ².

Purpose of the 3255476 Hexagon Head Cap Screw in Truck Operations

The 3255476 Hexagon Head Cap Screw by Cummins is designed to play a significant role in the operation and maintenance of commercial trucks. It is utilized in various applications within the truck’s structure and components, including but not limited to, securing engine components, attaching body panels, and fastening chassis parts. Its robust construction ensures that it can withstand the rigors of heavy-duty use, contributing to the overall reliability and safety of the vehicle ³.

Key Features of the 3255476 Hexagon Head Cap Screw

The 3255476 Hexagon Head Cap Screw is distinguished by its design elements and material properties, which make it suitable for demanding applications. The hexagonal head design offers several advantages, including enhanced grip and reduced likelihood of cam-out during tightening. Additionally, the screw is crafted from high-quality materials that provide excellent durability and resistance to corrosion, ensuring long-term performance in harsh environments ⁴.

Benefits of Using the 3255476 Hexagon Head Cap Screw

The 3255476 Hexagon Head Cap Screw offers several advantages that contribute to its effectiveness in heavy-duty applications. Its durable construction ensures longevity, while its resistance to loosening maintains secure fastenings over time. The screw’s compatibility with standard tools simplifies installation and maintenance processes, making it a practical choice for professionals in the automotive industry ⁵.

Installation and Usage Guidelines

Proper installation of the 3255476 Hexagon Head Cap Screw is vital to ensure a secure and lasting fastening solution. To install, align the screw with the designated hole and use a wrench or socket to tighten it to the recommended torque specification. It is important to avoid over-tightening, which can damage the screw or the surrounding material. Following these guidelines will help achieve a reliable connection ⁶.

Troubleshooting Common Issues

Common issues associated with Hexagon Head Cap Screws include loosening and corrosion. To address loosening, ensure that the screw is tightened to the proper torque specification and consider using a thread locker for additional security. Corrosion can be mitigated by selecting screws made from corrosion-resistant materials and applying protective coatings where necessary. Regular inspection and maintenance can help identify and resolve these issues promptly ⁷.

Maintenance Tips for Longevity

To ensure the continued performance and safety of the 3255476 Hexagon Head Cap Screw, regular inspection and maintenance are recommended. Check for signs of wear, corrosion, or loosening, and address any issues immediately. Additionally, keeping the screw and surrounding areas clean and free of debris will contribute to its longevity and reliability ⁸.

Cummins: A Brief Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive and heavy-duty truck industry. Founded in 1919, the company has a long history of innovation and quality, producing a wide range of products that meet the demanding needs of commercial vehicles. Cummins’ commitment to excellence is reflected in their comprehensive line of components, including the 3255476 Hexagon Head Cap Screw, which is designed to deliver reliable performance in heavy-duty applications ⁹.

Cummins Hexagon Head Cap Screw 3255476 in Engine Applications

The Cummins Hexagon Head Cap Screw, part number 3255476, is a critical component in the assembly and maintenance of various engine systems. This screw is engineered to provide robust fastening capabilities, ensuring the secure attachment of parts within the engine. Its design, featuring a hexagonal head, allows for efficient torque application, which is essential for maintaining the integrity of engine components under operational stress ¹⁰.

In the context of the N14 Celect Plus engine, the 3255476 screw is utilized in several key areas. For instance, it is often employed in securing engine covers and housings, ensuring that these parts remain tightly fastened to prevent leaks and maintain the engine’s internal environment. Additionally, it plays a role in the assembly of various engine sub-assemblies, where its strength and durability are crucial for the long-term performance and reliability of the engine ¹¹.

The use of the 3255476 screw extends beyond the N14 Celect Plus to other Cummins engines as well. In these applications, the screw is similarly vital for maintaining the structural integrity of the engine. Its use in securing critical components ensures that the engine operates smoothly and efficiently, with minimal risk of component failure due to loosening or detachment ¹².

The consistent application of the 3255476 screw across different engine models underscores its importance in the engine assembly process. Its design and material properties make it an ideal choice for environments where high torque and durability are required, ensuring that the engine components remain securely fastened under varying operational conditions ¹³.

Role of Part 3255476 Hexagon Head Cap Screw in Engine Systems

Support Component Integration

Part 3255476 Hexagon Head Cap Screw is instrumental in securing various support components within engine systems. These screws ensure that support brackets, mounts, and frames are firmly attached to the engine block or other structural elements. This secure attachment is essential for maintaining the structural integrity of the engine, allowing it to withstand vibrations and operational stresses. The screw’s design facilitates easy installation and removal, which is beneficial during maintenance or repair procedures ¹⁴.

Front Engine Assembly

In the front engine assembly, Part 3255476 Hexagon Head Cap Screw plays a significant role in attaching critical components such as the front cover, timing belt covers, and accessory brackets. These components require a reliable fastening solution to ensure they remain in place under the dynamic conditions of engine operation. The screw’s hexagonal head allows for efficient torque application, ensuring that these components are tightened to the manufacturer’s specifications. This precision is vital for the proper functioning and longevity of the front engine assembly ¹⁵.

Accessory Attachment

Accessory attachment points, such as those for the alternator, power steering pump, and air conditioning compressor, often utilize Part 3255476 Hexagon Head Cap Screw. These screws provide a robust connection that can handle the rotational forces and vibrations generated by these accessories. Proper attachment ensures that accessories operate efficiently and reduces the risk of component failure or detachment during engine operation ¹⁶.

Vibration Dampening

The use of Part 3255476 Hexagon Head Cap Screw in attaching vibration dampening components, such as engine mounts and isolation pads, is another important application. These screws help in securing components that are designed to absorb and reduce engine vibrations, contributing to a smoother operation and reduced wear on both the engine and the vehicle’s chassis ¹⁷.

Cooling System Components

Within the cooling system, Part 3255476 Hexagon Head Cap Screw is used to fasten components like the thermostat housing, water pump brackets, and radiator mounts. Ensuring these components are securely attached is essential for maintaining the integrity of the cooling system, which is critical for regulating engine temperature and preventing overheating ¹⁸.

Fuel System Attachments

In the fuel system, these screws are employed to secure fuel rail brackets, injector mounts, and fuel line connections. Secure fastening in the fuel system is imperative for maintaining fuel pressure and preventing leaks, which are essential for engine performance and safety ¹⁹.

Electrical Component Mounting

Part 3255476 Hexagon Head Cap Screw is also utilized in mounting electrical components such as sensors, control modules, and wiring harnesses. These screws provide a stable and secure attachment point, ensuring that electrical components remain in place and function correctly under the harsh conditions within the engine compartment ²⁰.

Conclusion

The 3255476 Hexagon Head Cap Screw by Cummins is a vital component in the automotive industry, particularly for heavy-duty applications. Its robust design, reliable performance, and compatibility with standard tools make it an essential part in the assembly and maintenance of commercial trucks and engines. Regular inspection, proper installation, and maintenance are key to ensuring the longevity and reliability of this Cummins part.