3171715
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3171715, is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is integral to the assembly and maintenance of various truck components, ensuring secure and reliable fastening. Cummins is renowned for its commitment to quality and innovation, making the 3171715 Hexagon Flange Head Cap Screw a trusted component in the industry ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt 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 softer materials. Within mechanical systems, these screws play a role in securing components together, ensuring structural integrity and proper function ².

Purpose and Role in Truck Operation

The 3171715 Hexagon Flange Head Cap Screw is designed to play a specific role in the operation and maintenance of commercial trucks. It is used in various truck components where secure fastening is required. This includes applications in the engine, transmission, and chassis systems. By providing a strong and reliable connection, the screw contributes to the overall performance and durability of the truck ³.

Key Features

The 3171715 Hexagon Flange Head Cap Screw features a hexagonal head design that facilitates easy and precise torque application. The flange at the base of the screw enhances its performance by providing additional surface area, which helps distribute the load more evenly and prevents the screw from embedding into the material. The screw is made from high-quality materials, ensuring durability and resistance to corrosion, which is vital for long-term performance in demanding truck environments ⁴.

Benefits

The 3171715 Hexagon Flange Head Cap Screw offers several benefits in fastening applications. Its design allows for improved torque application, ensuring that components are securely fastened without over-tightening. The flange characteristic provides resistance to loosening, maintaining the integrity of the connection over time. Additionally, the material properties of the screw enhance its structural integrity, making it suitable for use in high-stress applications ⁵.

Installation and Usage

Proper installation of the 3171715 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without damaging the screw or the components being fastened. Best practices include using the correct tools and ensuring that the surfaces are clean and free from debris to prevent corrosion and ensure a secure fit ⁶.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening over time and corrosion. Regular inspection and maintenance can help identify these issues early. If a screw shows signs of loosening, it should be re-tightened to the specified torque. Corrosion can be prevented by ensuring that the screw and surrounding areas are kept clean and dry. Applying a corrosion-resistant coating can also enhance the screw’s lifespan ⁷.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to observe safety guidelines to prevent accidents. This includes wearing appropriate personal protective equipment, such as gloves and safety glasses, to protect against injuries. Additionally, ensuring that tools are in good condition and used correctly can help prevent mishaps during installation and maintenance procedures ⁸.

Cummins 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 and innovation in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance and reliability of commercial vehicles. Cummins’ commitment to quality is evident in its rigorous manufacturing processes and continuous investment in research and development ⁹.

Hexagon Flange Head Cap Screw (Part 3171715) Compatibility with Cummins Engines

The Cummins Hexagon Flange Head Cap Screw, identified by part number 3171715, is a versatile component designed to fit a variety of Cummins engines. This part is integral to the assembly and maintenance of several engine models, ensuring secure fastening and stability.

Compatible Engines

QSK Series

• QSK45 CM500
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK60 G CM2358 K110
• QSK60G
• QSK78 CM500
• QSK95 CM2350 K110
• QSK95 CM2350 K113

The QSK series engines benefit from the use of the 3171715 screw in various applications, including securing engine components and ensuring proper alignment during assembly.

QST Series

• QST30 CM2350 T101
• QST30 CM552

In the QST series, the 3171715 screw is also a critical component, providing the necessary fastening for specific engine parts. Its design ensures that it can withstand the operational stresses and conditions within these engines.

Grouping of Compatible Engines

The Hexagon Flange Head Cap Screw is compatible with a broad range of Cummins engines, grouped primarily by their series. The QSK series engines, known for their robust performance and reliability, utilize this screw in multiple applications. Similarly, the QST series engines, which are designed for specific operational needs, also incorporate this screw to maintain structural integrity and operational efficiency.

Role of Part 3171715 Hexagon Flange Head Cap Screw in Engine Systems

Part 3171715, the Hexagon Flange Head Cap Screw, is instrumental in securing various components within engine systems. Its robust design ensures reliable fastening, which is essential for the integrity and performance of the engine.

Aftercooler

In the aftercooler system, the Hexagon Flange Head Cap Screw is used to secure the aftercooler to the engine block or other mounting points. This ensures that the aftercooler remains firmly in place, allowing it to effectively cool the compressed air from the turbocharger before it enters the engine cylinders.

Air Cleaner Bracket

The air cleaner bracket, which holds the air cleaner in position, relies on the Hexagon Flange Head Cap Screw for secure attachment. This screw ensures that the air cleaner remains stable and aligned correctly, facilitating optimal airflow into the engine.

Turbocharger Arrangement

Within the turbocharger arrangement, the Hexagon Flange Head Cap Screw plays a key role in fastening the turbocharger to the engine. This secure attachment is vital for the turbocharger to operate efficiently, enhancing the engine’s performance by providing forced induction.

Engine Oil System

In the engine oil system, the Hexagon Flange Head Cap Screw is utilized to attach the oil pan and other components such as the front gear drive. This ensures that the oil pan remains sealed and securely mounted, preventing oil leaks and maintaining the lubrication system’s integrity.

Service Kit Components

When it comes to service kits, the Hexagon Flange Head Cap Screw is often included to replace worn-out fasteners. This ensures that all components within the service kit are properly secured, contributing to the longevity and reliability of the engine.

Fan Drive and Fan

The fan drive and fan assembly also benefit from the use of the Hexagon Flange Head Cap Screw. These screws secure the fan to the engine, ensuring it operates smoothly and efficiently to manage engine temperature.

Conclusion

In summary, the Hexagon Flange Head Cap Screw (Part 3171715) is a versatile fastener that enhances the stability and performance of various engine components, from the aftercooler and air cleaner bracket to the turbocharger and oil system. Its robust design and compatibility with a wide range of Cummins engines make it an essential component in the maintenance and operation of commercial trucks.