2874091
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 2874091, is a specialized fastener produced by Cummins. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure and reliable fastening in various applications. Cummins, a renowned manufacturer in the automotive industry, is known for its commitment to quality and innovation, making this screw a trusted component in truck operations ¹.

Basic Concepts

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that provides additional surface area for torque application. This design enhances the screw’s ability to resist loosening under vibration and stress, which is particularly important in the automotive industry ². These screws are commonly used in applications requiring strong, permanent fastening, such as in engine components, chassis assemblies, and other critical truck parts.

Purpose and Role in Truck Operation

The 2874091 Hexagon Flange Head Cap Screw plays a specific role in the operation of commercial trucks by providing secure fastening in areas subjected to high stress and vibration. Its design ensures that components remain firmly attached, contributing to the overall stability and performance of the vehicle. This screw is often used in critical applications where the integrity of the fastening is paramount to the safe and efficient operation of the truck ³.

Key Features

The 2874091 Hexagon Flange Head Cap Screw features a hexagonal flange head that allows for easy and secure tightening using standard tools. The screw is typically made from high-strength materials, such as alloy steel, to ensure durability and resistance to wear. Its unique flange design provides additional torque resistance, reducing the likelihood of loosening over time. Additionally, the screw is coated to enhance corrosion resistance, making it suitable for use in various environmental conditions.

Benefits

The 2874091 Hexagon Flange Head Cap Screw offers several advantages in commercial truck applications. Its design provides improved fastening strength, ensuring that components remain securely attached even under significant stress and vibration. The screw’s resistance to loosening helps maintain the integrity of critical assemblies, reducing the need for frequent re-tightening. Furthermore, its compatibility with various applications makes it a versatile choice for truck maintenance and repair.

Installation and Usage Guidelines

Proper installation of the 2874091 Hexagon Flange Head Cap Screw involves several steps to ensure optimal performance. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use a torque wrench to tighten the screw to the specified torque setting, ensuring even and secure fastening. It is important to follow the manufacturer’s guidelines for torque settings to avoid over-tightening, which can damage the screw or the surrounding components. Always use the appropriate tools and follow safety protocols during installation.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include corrosion, stripping, and loosening. Regular inspection of screws during maintenance can help identify these problems early. If corrosion is detected, clean the affected area and apply a corrosion-resistant coating. Stripped screws may need to be replaced to ensure secure fastening. To prevent loosening, periodically check the torque of the screws and re-tighten as necessary. Implementing a preventive maintenance strategy can help ensure the longevity and reliability of these screws in commercial truck applications.

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 is renowned for its commitment to quality, innovation, and customer satisfaction. The company offers a wide range of products for various industries, including commercial trucks, where reliability and performance are critical. Cummins’ dedication to excellence is evident in its comprehensive product line and its focus on meeting the needs of its customers through continuous improvement and technological advancement.

Hexagon Flange Head Cap Screw 2874091 in Engine Applications

The Cummins-manufactured Hexagon Flange Head Cap Screw, part number 2874091, is a critical component in various engine configurations. This screw is designed to provide secure fastening in applications where high strength and durability are paramount. Here is a detailed look at how this part integrates with the specified engines:

ISZ13 CM2150 Z105 and QSZ13 CM2150 Z101

Both the ISZ13 CM2150 Z105 and QSZ13 CM2150 Z101 engines utilize the 2874091 screw in several key areas. These engines are part of a series known for their robust design and efficiency. The screw is often used in securing various engine components, ensuring that parts remain tightly fastened under operational stresses. Its flange head design allows for easy access and removal, which is crucial during maintenance and repair procedures.

QSZ13 CM2150 Z102

Similar to its counterparts, the QSZ13 CM2150 Z102 engine also incorporates the 2874091 screw in its assembly. This engine variant shares many design elements with the ISZ13 and QSZ13 CM2150 Z101, making the screw a versatile component across these models. The screw’s application in this engine includes securing critical parts that are subject to high torque and vibration, ensuring long-term reliability and performance.

Z13 Z108G

The Z13 Z108G engine is another model that benefits from the use of the 2874091 screw. This engine is designed for specific operational requirements, and the screw plays a role in maintaining the integrity of its components. The flange head cap screw is used in areas where precise fastening is necessary to prevent loosening and ensure the engine operates smoothly.

Each of these engines relies on the 2874091 screw for its unique design and operational demands. The screw’s ability to provide a strong and reliable fastening solution makes it an essential part of the engine’s assembly and maintenance.

Role of Part 2874091 Hexagon Flange Head Cap Screw in Engine Systems

The part 2874091 Hexagon Flange Head Cap Screw is integral to the assembly and operation of various engine components. Its design and functionality make it suitable for securing and maintaining the integrity of several key parts within the engine system.

Drive System Integration

In the drive system, the Hexagon Flange Head Cap Screw is often used to secure the drive components to the engine block or other stationary parts. This ensures that the drive components remain firmly in place, allowing for efficient power transmission from the engine to other parts of the vehicle, such as the wheels. The screw’s flange head provides additional surface area for torque application, reducing the risk of loosening over time due to vibrations.

Fan Assembly

Within the fan assembly, the Hexagon Flange Head Cap Screw plays a significant role in attaching the fan blades to the fan hub. This secure attachment is essential for the fan to operate effectively, drawing air through the radiator to cool the engine. The screw’s hexagonal head allows for easy tightening and loosening using a socket wrench, ensuring that maintenance tasks can be performed quickly and efficiently.

Water Pump Attachment

The water pump is another component where the Hexagon Flange Head Cap Screw is commonly employed. It is used to fasten the water pump to the engine block or timing cover. This secure attachment is vital for the water pump’s function in circulating coolant throughout the engine, maintaining optimal operating temperatures. The flange head of the screw provides added stability, preventing any potential leaks that could occur from a loose connection.

Overall, the part 2874091 Hexagon Flange Head Cap Screw is a versatile fastener that enhances the reliability and performance of various engine components by ensuring secure and stable connections.

Conclusion

The 2874091 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and various engine systems. Its design, featuring a hexagonal flange head, provides enhanced torque resistance and secure fastening, ensuring the integrity of critical components under high stress and vibration. Proper installation and regular maintenance are essential to maximize the screw’s performance and longevity. Cummins’ commitment to quality and innovation is reflected in this part, making it a trusted and reliable component in the automotive industry.