4090102
Hexagon Flange Head Cap Screw
Cummins®

The Cummins part 4090102, a Hexagon Flange Head Cap Screw, is a specialized fastener integral to the assembly and maintenance of commercial trucks. This screw is designed to provide secure fastening in various applications, ensuring the structural integrity and operational efficiency of the truck. Cummins, a renowned manufacturer in the automotive industry, ensures that this component meets the rigorous demands of heavy-duty truck operations.

Basic Concepts and Functionality

Hexagon Flange Head Cap Screws are designed with a hexagonal head and a flange that distributes the load and prevents the screw from sinking into the material. These screws are typically made from high-strength materials such as alloy steel, which provides durability and resistance to wear ¹. The threading on these screws allows for secure fastening, ensuring that components remain firmly in place under significant stress and vibration, common in truck operations.

Purpose and Role in Truck Operation

The 4090102 Hexagon Flange Head Cap Screw is used to secure various components, including engine parts, chassis elements, and other critical assemblies. By providing a robust fastening solution, this screw helps maintain the structural integrity and operational efficiency of the truck. Its applications range from securing engine mounts to fastening critical chassis components.

Key Features

The 4090102 Hexagon Flange Head Cap Screw features a hexagonal flange head, which offers several advantages. The hexagonal shape allows for easy tightening and loosening using standard tools, while the flange distributes the load, reducing the risk of the screw head sinking into the material. The threading specifications are designed to provide a strong and secure hold, and the material used ensures durability under heavy-duty conditions ².

Benefits

Using the 4090102 Hexagon Flange Head Cap Screw offers several advantages. Its design provides improved fastening strength, making it less likely to loosen over time compared to standard screws. The resistance to loosening is particularly beneficial in the dynamic environment of a commercial truck, where vibrations and movements are constant. Additionally, the durability of the screw ensures long-term performance, reducing the need for frequent replacements ³.

Installation Guidelines

Proper installation of the 4090102 Hexagon Flange Head Cap Screw is vital for ensuring optimal performance. Begin by cleaning the installation area to remove any debris or contaminants. Use the appropriate tool to insert the screw into the designated hole, ensuring it is aligned correctly. Tighten the screw to the specified torque settings to avoid over-tightening, which can damage the screw or the material it is fastening. Follow recommended practices for tool usage and maintenance to ensure longevity and reliability.

Troubleshooting and Maintenance

Common issues with the 4090102 Hexagon Flange Head Cap Screw include loosening, corrosion, and damage. Regular inspections can help identify these problems early. If loosening is detected, re-tighten the screw to the specified torque. Corrosion can be addressed by cleaning the screw and applying a protective coating. In cases of damage, replace the screw with a new one to maintain the integrity of the fastening. Adhering to maintenance schedules and guidelines will help prevent these issues and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, known for its high-quality components for commercial vehicles. With a rich history and a strong reputation, Cummins is committed to producing reliable and durable parts that meet the demands of heavy-duty applications. The company’s expertise in engineering and manufacturing ensures that components like the 4090102 Hexagon Flange Head Cap Screw deliver exceptional performance and longevity in commercial truck operations.

Role of Part 4090102 Hexagon Flange Head Cap Screw in Engine Systems

The 4090102 Hexagon Flange Head Cap Screw is an essential component in various engine systems, providing secure fastening and reliable performance. Its application spans across several key components, ensuring the integrity and functionality of the engine.

Breather Systems

In breather systems, the 4090102 screw is utilized to secure components that allow for the release of pressure and contaminants from the crankcase. This screw ensures that the breather components remain firmly attached, preventing any potential leaks that could compromise engine performance.

Crankcase Assemblies

Within crankcase assemblies, the 4090102 screw plays a significant role in fastening cover plates and other critical components. Its hexagonal flange head design provides a robust connection, withstanding the vibrations and stresses inherent in engine operation. This secure attachment is vital for maintaining the structural integrity of the crankcase.

Valve Mechanisms

For valve mechanisms, the 4090102 screw is often employed to fasten valve covers and related components. Ensuring these parts are tightly secured is important for maintaining proper valve operation and sealing, which directly impacts engine efficiency and performance.

Harness and Wiring Systems

In engine control wiring harnesses, the 4090102 screw is used to mount and secure wiring components. This ensures that the electrical connections remain stable and protected from environmental factors, contributing to the reliable operation of the engine’s electronic control systems.

Engine Control Wiring

The screw is also integral in fastening engine control wiring components. By providing a strong and secure attachment point, it helps maintain the integrity of the wiring, ensuring consistent and accurate signal transmission between the engine control unit (ECU) and various sensors and actuators.

Conclusion

The Cummins part 4090102, a Hexagon Flange Head Cap Screw, is a versatile and reliable fastening solution across multiple engine components, enhancing both performance and durability. Its robust design and high-strength material make it suitable for high-stress applications, ensuring the reliability and longevity of commercial truck engines.