3093889
Hexagon Head Cap Screw
Cummins®

The Cummins Part #3093889 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. Its purpose is to provide secure fastening in various truck assemblies, ensuring components remain firmly in place under operational conditions. This screw is integral to maintaining the structural integrity and functionality of truck systems.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of bolt characterized by its hexagonal head, which allows for efficient tightening and loosening using standard hexagonal tools such as wrenches or sockets. In mechanical assemblies, these screws play a vital role in securing components together, distributing load, and preventing movement that could lead to wear or failure. The hexagonal shape of the head provides a firm grip, reducing the risk of cam-out during installation ¹.

Purpose of Cummins Part #3093889 in Truck Operation

The Cummins Part #3093889 Hexagon Head Cap Screw serves a specific role in the operation and maintenance of commercial trucks. It is used to fasten critical components within the truck’s engine and chassis systems. By securely holding parts in place, it ensures that the truck operates efficiently and safely. This screw is particularly important in areas where vibrations and dynamic loads are present, as it helps maintain the alignment and integrity of assembled parts ².

Key Features

The Cummins Part #3093889 features several key attributes that contribute to its functionality and durability. It is typically made from high-strength steel, which provides the necessary tensile strength to withstand significant loads. The screw has a coarse thread, which allows for quick and secure fastening. Its hexagonal head design ensures compatibility with standard tools, facilitating easy installation and removal. Additionally, the screw may be coated or treated to enhance corrosion resistance, extending its service life in various environmental conditions ³.

Benefits

Using the Cummins Part #3093889 Hexagon Head Cap Screw offers several advantages. The secure fastening it provides reduces the likelihood of component loosening over time, which is crucial in high-vibration environments like those found in commercial trucks. Its compatibility with standard hexagonal tools simplifies the installation process, making it a convenient choice for maintenance and repair tasks. Furthermore, the screw’s design and material composition contribute to its durability, ensuring long-term performance in demanding applications.

Installation Considerations

Proper installation of the Cummins Part #3093889 is crucial for optimal performance and longevity. It is important to follow torque specifications provided by Cummins to ensure the screw is tightened to the correct level, avoiding over-tightening which can lead to stripping, or under-tightening which can result in insufficient fastening. Using the appropriate hexagonal tool and applying consistent force during installation helps achieve the desired torque. Additionally, ensuring that mating surfaces are clean and free of debris prior to installation enhances the screw’s holding power and prevents premature wear.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibrations, corrosion, and wear. Regular inspection of fastened components can help identify problems early. If a screw appears loose, it should be re-tightened to the specified torque. In cases of significant corrosion or damage, replacement may be necessary to maintain the integrity of the assembly. Proper maintenance, including cleaning and applying protective coatings where applicable, can prolong the service life of the Cummins Part #3093889.

Compatibility and Application

The Cummins Part #3093889 is designed for use in various commercial truck assemblies. It is commonly applied in engine and chassis systems where secure fastening is required. When integrating this screw into an assembly, it is important to ensure compatibility with other components to avoid issues such as misalignment or improper load distribution. Cummins provides guidelines and recommendations to assist in selecting the appropriate fasteners for specific applications.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a strong reputation in the commercial vehicle industry for producing reliable and high-performance products. The company’s commitment to innovation and quality ensures that its parts, like the Cummins Part #3093889 Hexagon Head Cap Screw, meet the rigorous demands of commercial truck applications.

Cummins Engine Compatibility with Part 3093889

The Cummins part 3093889, a Hexagon Head Cap Screw, is a critical component that ensures the structural integrity and operational efficiency of several Cummins engines. This part is designed to meet the rigorous demands of engine assembly and maintenance, providing a reliable fastening solution.

QST30 CM2350 T101 and QST30 CM552

The Hexagon Head Cap Screw part 3093889 is compatible with both the QST30 CM2350 T101 and QST30 CM552 engines. This compatibility is essential for maintaining the alignment and stability of engine components, ensuring that the engines operate smoothly and efficiently. The screw’s design allows for precise and secure fastening, which is crucial in high-stress environments such as those found in industrial and commercial engines.

Engine Grouping

When considering the use of part 3093889 across different engine models, it is important to note that its application is not limited to a single engine type. Instead, this part is versatile enough to be used in multiple engine configurations within the Cummins QST30 series. This versatility underscores the importance of the Hexagon Head Cap Screw in maintaining the structural integrity of these engines.

The use of part 3093889 in these engines highlights the importance of using high-quality, reliable components in engine assembly and maintenance. By ensuring that each screw is properly installed and maintained, engine performance and longevity can be significantly enhanced.

Role of Part 3093889 Hexagon Head Cap Screw in Engine Systems

The part 3093889 Hexagon Head Cap Screw is instrumental in securing various components within engine systems, ensuring their stability and proper function.

In the fuel system, this screw is often used to fasten the fuel filter to its housing, maintaining a secure seal that prevents fuel leaks and ensures efficient filtration. It also plays a role in attaching the fuel injection pump to the engine block, ensuring that the pump remains firmly in place under the high pressures and vibrations typical of engine operation.

Within the plumbing systems of engines, particularly those involving the aftercooler water and fuel lines, the 3093889 screw is utilized to connect pipes and fittings. This ensures that the connections are tight and leak-free, which is essential for maintaining the integrity of the cooling and fuel delivery systems.

In the lubricating oil system, this screw is employed to secure the oil pump to the engine block. This attachment is vital for maintaining the pump’s alignment and operational efficiency, ensuring consistent oil flow to lubricate moving parts and reduce wear.

Overall, the 3093889 Hexagon Head Cap Screw is a fundamental fastening component across various engine systems, contributing to the reliability and performance of the engine by ensuring that critical components are securely mounted and properly sealed.

Conclusion

The Cummins Part #3093889 Hexagon Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and high-strength steel construction, ensures secure fastening and durability in high-stress environments. Proper installation and maintenance of this screw are essential for the optimal performance and longevity of truck and engine systems. By understanding the role and benefits of this part, technicians and operators can ensure the reliability and efficiency of their vehicles.