2871635
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 2871635, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw plays a significant role in the maintenance and operation of heavy-duty trucks. Its design and functionality are tailored to meet the demanding requirements of commercial vehicle applications.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by a hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a larger bearing surface that helps distribute load and resist rotation. This design is particularly beneficial in applications where the screw is subjected to significant stress or vibration ¹.

Purpose and Role in Truck Operation

The 2871635 Hexagon Flange Head Cap Screw is specifically designed for use in commercial trucks. It serves to secure various components, contributing to the structural integrity and operational functionality of the truck. By providing a secure and stable connection, this screw helps ensure that truck components remain firmly in place under varying conditions ².

Key Features

The 2871635 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy installation and removal using common tools. The flange beneath the head enhances the screw’s ability to resist loosening due to vibration, a common issue in heavy-duty truck applications. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-term reliability ³.

Benefits

Using the 2871635 Hexagon Flange Head Cap Screw in truck maintenance offers several advantages. The design of the screw provides improved fastening security, making it less likely to loosen over time. Its resistance to vibration is particularly beneficial in the dynamic environment of a commercial truck. Furthermore, the ease of installation and removal simplifies maintenance procedures, reducing downtime.

Installation and Usage Guidelines

Proper installation of the 2871635 Hexagon Flange Head Cap Screw involves several steps to ensure a secure fit. It is important to use the correct torque specifications to avoid over-tightening, which can damage the screw or the components it is securing. Best practices include cleaning the installation area to remove any debris that could affect the screw’s performance and using a torque wrench to apply the recommended torque.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. Maintenance tips include checking for signs of corrosion or wear and ensuring that the screw is properly torqued during installation.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is committed to quality and innovation. The company’s extensive product range and focus on customer satisfaction have established it as a trusted manufacturer of truck components, including the 2871635 Hexagon Flange Head Cap Screw.

Hexagon Flange Head Cap Screw (Part 2871635) in Cummins Engines

The Hexagon Flange Head Cap Screw, identified by part number 2871635, is a critical component in several Cummins engine models. This part is designed to provide secure fastening in various applications within the engine assembly.

Application in Cummins Engines

B4.5 CM2350 B135B and B6.7 CM2350 B135B

In the B4.5 CM2350 B135B and B6.7 CM2350 B135B engines, the 2871635 screw is utilized in several key areas. It is often employed to secure components such as the cylinder head cover, ensuring a tight seal and preventing leaks. Additionally, it may be used in the fastening of various engine brackets and mounts, contributing to the overall structural integrity of the engine.

ISB4.5 CM2350 B104

For the ISB4.5 CM2350 B104 engine, the 2871635 screw serves similar purposes. It is integral in securing the cylinder head cover, which is crucial for maintaining the engine’s performance and efficiency. Furthermore, this screw is used in the attachment of engine accessories and ancillary components, ensuring they remain firmly in place during operation.

B4.5 CM2350 B104

In the B4.5 CM2350 B104 engine, the 2871635 screw is also a vital component. It is used to fasten the cylinder head cover, which is essential for the engine’s sealing and operational integrity. Additionally, it is employed in securing various engine brackets and mounts, contributing to the overall stability and performance of the engine.

The consistent use of the 2871635 screw across these Cummins engine models underscores its importance in maintaining the structural and operational integrity of the engine. Its design ensures reliable fastening, which is critical for the performance and longevity of the engine components.

Role of Part 2871635 Hexagon Flange Head Cap Screw in Engine Systems

The part 2871635 Hexagon Flange Head Cap Screw is instrumental in securing various components within the aftertreatment arrangement of engine systems. Its design allows for a robust connection, ensuring that parts remain firmly in place under the dynamic conditions experienced during engine operation.

In the aftertreatment arrangement, this screw is often used to fasten components such as catalytic converters, diesel particulate filters (DPFs), and selective catalytic reduction (SCR) systems. These components are essential for reducing emissions and ensuring the engine meets environmental regulations. The screw’s flange head provides additional surface area for distribution of clamping force, minimizing the risk of component warping or failure.

Within the aftertreatment device, the Hexagon Flange Head Cap Screw plays a significant role in maintaining the integrity of sensor mounts and housing units. Sensors such as oxygen sensors and temperature probes rely on secure mounting to provide accurate readings. The screw’s design ensures that these sensors remain stable, even under vibration and thermal cycling.

In the broader aftertreatment system, this screw is also utilized in the assembly of exhaust manifolds and connecting pipes. These components are subject to high temperatures and pressures, making the secure fastening provided by the Hexagon Flange Head Cap Screw vital for system reliability and performance. The screw’s hexagonal head allows for easy and precise tightening, further enhancing its utility in these applications.

Conclusion

The 2871635 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its design, featuring a hexagonal head and flange, ensures secure fastening and resistance to vibration and corrosion. Proper installation and regular maintenance are essential to maximize the benefits of this screw, contributing to the overall reliability and performance of truck and engine systems.