172491
Hexagon Head Cap Screw
Cummins®

The Cummins Hexagon Head Cap Screw, specifically Part #172491, is a vital component in the maintenance and assembly of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this screw to meet the demanding requirements of truck operations. This part is integral to ensuring the secure fastening of various truck components, contributing to the overall reliability and performance of commercial vehicles.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using standard tools such as wrenches or sockets. The design of the hexagon head provides a robust grip, minimizing the risk of cam-out during use ¹. These screws are commonly used in applications requiring a high degree of fastening security and durability. The threading on the screw shaft engages with the corresponding threads in a nut or tapped hole, creating a strong and stable connection.

Purpose of the 172491 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a significant role in the assembly and maintenance of commercial trucks. It is utilized in various truck components, including engine mounts, chassis attachments, and body panel fastenings. The screw ensures that these components remain securely attached, which is crucial for the safe and efficient operation of the vehicle. Its applications extend to both static and dynamic parts of the truck, providing reliable fastening in environments subject to vibration and stress.

Key Features

The 172491 boasts several key features that enhance its performance and durability. Its hexagonal head design allows for easy engagement with standard tools, facilitating quick and efficient installation and removal. The screw is composed of high-quality materials, typically alloy steel, which provides excellent strength and resistance to wear. The threading is precision-cut to ensure a secure fit and optimal load distribution. Additionally, the screw may feature a corrosion-resistant coating to prolong its lifespan in harsh operating conditions.

Benefits

This Cummins part offers numerous benefits that make it an ideal choice for commercial truck applications. Its design ensures improved fastening security, reducing the likelihood of loosening over time. The use of standard tools simplifies the installation process, making it accessible for a wide range of users. The material composition and threading contribute to the screw’s longevity, even in demanding truck environments. Furthermore, the potential corrosion-resistant coating enhances its durability, ensuring continued reliable performance.

Installation Guidelines

Proper installation of the 172491 is crucial for achieving a secure and lasting fastening. Begin by ensuring the mating surfaces are clean and free of debris. Use a wrench or socket that fits the hexagonal head to start threading the screw into the designated hole. Apply steady, even pressure to avoid cross-threading. Once the screw is engaged, continue tightening until the desired torque specification is reached. It is recommended to use a torque wrench to ensure accurate tightening. Follow the manufacturer’s torque guidelines to prevent over-tightening, which can damage the screw or the surrounding material ².

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening, corrosion, and damage. If a screw appears loose, it should be re-tightened to the specified torque. Corrosion can be addressed by cleaning the affected area and applying a corrosion-inhibiting compound. Damaged screws should be replaced to maintain the integrity of the fastening. Regular inspections and maintenance can help identify and address these issues promptly, prolonging the life of the screw and ensuring continued reliable performance.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to follow safety guidelines to prevent injuries and ensure a secure fastening. Always wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against potential hazards. Use the correct tools to avoid damaging the screw or the surrounding components. Be aware of the potential for the screw to become hot during operation, and allow it to cool before handling. Additionally, ensure that the work area is well-ventilated and free of flammable materials.

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 commitment to excellence is evident in its wide range of products, which are designed to meet the rigorous demands of commercial applications. Cummins’ focus on research and development ensures that its components, including the 172491, deliver reliable performance and durability ³.

Cummins Hexagon Head Cap Screw 172491 in V903 Engines

The Cummins Hexagon Head Cap Screw, part number 172491, is a critical component in the V903 engine series. This screw is designed to secure various parts within the engine, ensuring structural integrity and operational efficiency. Its robust construction and precise engineering make it an essential part of the engine’s assembly.

In the V903 engines, the 172491 screw is often used in applications where high strength and durability are required. Its hexagonal head provides a secure grip for tools, facilitating easy installation and removal. The screw’s material composition is chosen to withstand the extreme conditions within the engine, including high temperatures and pressures.

The 172491 screw is integral to maintaining the alignment and stability of engine components. Its use in the V903 engines ensures that parts remain tightly fastened, reducing the risk of mechanical failure and extending the engine’s lifespan.

In the V903 engine series, the 172491 screw is commonly found in areas that require precise fastening, such as the engine block, cylinder heads, and other critical assemblies. Its role in these applications is vital for the overall performance and reliability of the engine.

Role of Part 172491 Hexagon Head Cap Screw in Engine Systems

In the context of engine systems, the Part 172491 Hexagon Head Cap Screw is instrumental in ensuring the secure assembly and operation of various components.

Flywheel Assembly

The flywheel is a pivotal component in the engine, responsible for storing rotational energy and smoothing out the power delivery from the engine’s cylinders. The Hexagon Head Cap Screw, Part 172491, is utilized to fasten the flywheel to the crankshaft. This connection is vital for maintaining the flywheel’s position and ensuring it operates in harmony with the engine’s rotating components. The screw’s hexagonal head allows for efficient torque application, ensuring a tight and reliable fit.

Flywheel Housing

The flywheel housing, which encases the flywheel, relies on the Part 172491 Hexagon Head Cap Screw for secure attachment to the engine block. This screw ensures that the housing remains firmly in place, preventing any misalignment that could lead to operational issues. The robust design of the screw contributes to the overall stability and integrity of the flywheel housing, facilitating smooth engine function.

Conclusion

The Cummins Hexagon Head Cap Screw, Part 172491, is a critical component in the maintenance and assembly of commercial trucks and engines. Its robust design, precise engineering, and high-quality materials ensure reliable performance and durability in demanding applications. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the lifespan and effectiveness of this part.