3089959
Hexagon Flange Head Cap Screw
Cummins®

The Cummins Hexagon Flange Head Cap Screw, part number 3089959, is a specialized fastener designed for use in commercial truck maintenance. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of heavy-duty applications. This screw is integral to ensuring the reliability and performance of commercial trucks, playing a significant role in securing various components within the vehicle’s mechanical systems.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. Within mechanical systems, these screws are used to secure components that require a high degree of stability and resistance to vibration ¹.

Purpose and Role in Truck Operation

The 3089959 Hexagon Flange Head Cap Screw is specifically designed for applications in heavy-duty trucks. It is used to secure critical components such as engine mounts, transmission housings, and chassis parts. By providing a robust connection, this screw helps maintain the integrity of these components under the strenuous conditions encountered in commercial trucking operations ².

Key Features

The 3089959 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy installation and removal using common hand tools. The flange at the base of the screw head offers additional bearing surface, which helps in distributing the load more evenly and reducing the risk of the screw head sinking into softer materials. Additionally, the screw is crafted from high-strength materials, ensuring durability and resistance to corrosion, which is vital for long-term performance in harsh environments ³.

Benefits

Using the 3089959 Hexagon Flange Head Cap Screw offers several advantages. Its design enhances durability, making it suitable for high-stress applications. The screw’s resistance to vibration ensures that connections remain secure over time, reducing the likelihood of component failure. Furthermore, the ease of installation provided by the hexagonal head simplifies maintenance procedures, allowing for quicker and more efficient repairs ⁴.

Installation Process

Proper installation of the 3089959 Hexagon Flange Head Cap Screw is crucial for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to install the screw, applying the manufacturer’s recommended torque specifications to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise the connection. It is also advisable to apply a thread locker to the screw threads to enhance resistance to vibration ⁵.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. Regular inspections should be conducted to check for signs of wear or damage. If corrosion is detected, the affected screws should be replaced to prevent failure. Additionally, ensuring that all screws are tightened to the proper torque specifications during installation can help mitigate these issues ⁶.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to observe several safety guidelines. Always wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Use the correct tools for installation and removal to avoid damaging the screw or the surrounding components. Additionally, be mindful of the torque applied to prevent over-tightening, which can lead to stripped threads or component damage ⁷.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has built a reputation for innovation and reliability in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various applications, from on-highway to off-highway and industrial uses. Cummins’ commitment to quality and performance makes it a trusted name among fleet operators and maintenance professionals ⁸.

Cummins Engine Part 3089959: Hexagon Flange Head Cap Screw

The Cummins part number 3089959, a Hexagon Flange Head Cap Screw, is a critical component in various Cummins engines. This part is designed to secure different engine parts, ensuring the integrity and functionality of the engine assembly.

QSK60 CM500 and QSK78 CM500

In the QSK60 CM500 and QSK78 CM500 engines, the Hexagon Flange Head Cap Screw is utilized to fasten components that require a secure and reliable connection. These engines are known for their robust design and high performance, and the part 3089959 plays a vital role in maintaining the structural integrity of the engine by providing a strong fastening solution.

QSK60 CM850 MCRS

For the QSK60 CM850 MCRS engine, the Hexagon Flange Head Cap Screw is integral to the assembly of various engine parts. This engine variant is designed for specific applications, and the use of part 3089959 ensures that the components are securely fastened, contributing to the overall reliability and efficiency of the engine.

QSK60 G CM2358 K110

In the QSK60 G CM2358 K110 engine, the Hexagon Flange Head Cap Screw is employed in several critical areas. This engine is engineered for demanding applications, and the part 3089959 is essential for maintaining the precise alignment and secure fastening of engine components, ensuring optimal performance and longevity.

QSK60G

The QSK60G engine also relies on the Hexagon Flange Head Cap Screw for its assembly. This engine is designed for versatility and efficiency, and the use of part 3089959 ensures that the engine components are fastened securely, contributing to the engine’s overall reliability and performance.

Role of Part 3089959 Hexagon Flange Head Cap Screw in Engine Systems

The part 3089959 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function.

In the arrangement of engine components, this screw plays a significant role in fastening parts that require a robust connection. Its hexagonal flange head design allows for efficient torque application, minimizing the risk of stripping or over-tightening.

Within the turbocharger system, the screw is often used to secure the turbocharger housing to the engine block or manifold. This ensures that the turbocharger remains firmly in place, even under high-stress conditions, thereby maintaining optimal performance and efficiency.

The exhaust manifold also benefits from the use of this screw. It is commonly employed to fasten the manifold to the engine, ensuring a secure seal that prevents exhaust leaks. This is essential for maintaining the integrity of the exhaust system and ensuring that harmful gases are properly directed away from the engine compartment.

In the exhaust transfer kit, the screw is utilized to connect various sections of the exhaust system. This ensures that the exhaust components remain aligned and securely fastened, which is vital for the smooth flow of exhaust gases and the overall efficiency of the engine.

Similarly, in the manifold and exhaust systems, the screw is used to secure manifold components and exhaust pipes. This helps in maintaining the structural integrity of these systems, ensuring they withstand the high temperatures and pressures generated during engine operation.

Lastly, in the context of the turbocharger, the screw is also used in the assembly of the turbocharger itself, securing critical components such as the compressor and turbine housings. This ensures that the turbocharger operates efficiently, contributing to enhanced engine performance.

Conclusion

The Cummins Hexagon Flange Head Cap Screw, part number 3089959, is a vital component in the maintenance and operation of heavy-duty trucks and engines. Its design and features ensure durability, resistance to vibration, and ease of installation, making it an essential part for securing critical components within engine systems. Proper installation, regular maintenance, and adherence to safety guidelines are crucial for maximizing the performance and longevity of this part.