3093862
Threaded Plug
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3093862, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to the assembly and maintenance of various truck components, ensuring robust and reliable performance. Cummins, known for its high-quality parts and engines, provides this screw as part of its extensive range of truck components ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material ². In the context of truck mechanics, these screws are used to secure various components, ensuring they remain firmly in place under operational stress.

Purpose and Role in Truck Operation

The 3093862 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is designed to secure critical components, such as engine parts, chassis elements, and other assemblies that require a strong, durable fastening solution. By providing a secure connection, this screw helps maintain the integrity and performance of the truck’s various systems ³.

Key Features

The 3093862 Hexagon Flange Head Cap Screw boasts several key features that make it suitable for demanding truck applications. Its hexagonal head design allows for easy and precise torque application, ensuring that the screw is tightened to the correct specification. The flange beneath the head provides additional surface area, which helps distribute the load and prevents the screw from pulling through the material. Additionally, the screw is made from high-quality materials that offer excellent durability and resistance to corrosion, making it ideal for use in harsh truck environments ⁴.

Benefits

The 3093862 Hexagon Flange Head Cap Screw offers several benefits that contribute to its effectiveness in truck applications. Its durable construction ensures long-lasting performance, even under demanding conditions. The design of the screw allows for improved torque application, ensuring that components are securely fastened. Additionally, the flange feature helps prevent the screw from loosening over time, maintaining a tight and reliable connection.

Installation Process

Proper installation of the 3093862 Hexagon Flange Head Cap Screw is crucial for ensuring its effectiveness. Begin by selecting the appropriate screw size and ensuring that the mating surfaces are clean and free of debris. Use a torque wrench to tighten the screw to the specified torque value, which ensures that the screw is neither over-tightened nor under-tightened. It is also important to follow best practices, such as using a thread lubricant if recommended, to facilitate easier installation and reduce the risk of damage.

Troubleshooting Common Issues

Common issues associated with Hexagon Flange Head Cap Screws include loosening, corrosion, and damage. To address these problems, regularly inspect the screws for signs of wear or corrosion. If a screw appears loose, it should be re-tightened to the specified torque value. In cases of significant corrosion or damage, the screw may need to be replaced to ensure the continued integrity of the connection.

Maintenance Tips

To ensure the longevity and performance of the 3093862 Hexagon Flange Head Cap Screw, regular maintenance is recommended. This includes periodic inspections to check for signs of wear, corrosion, or loosening. Cleaning the screws and surrounding areas can help prevent the buildup of debris and contaminants that may contribute to corrosion. Additionally, following the manufacturer’s torque specifications during installation and re-tightening will help maintain the screw’s effectiveness over time.

Cummins: A Brief 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 reliability in the commercial truck industry. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, all designed to meet the demanding needs of truck operators. Cummins’ commitment to innovation and customer satisfaction has made it a trusted name in the industry.

Hexagon Flange Head Cap Screw (Part 3093862) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3093862, is a critical component in several Cummins engines, ensuring secure fastening and structural integrity. This part is integral to the assembly and operation of the following engines:

QSB3.3 Series

• QSB3.3 CM2150
• QSB3.3 CM2250 EC

In the QSB3.3 series, the 3093862 screw is utilized in various applications, often for securing components that require a robust and reliable fastening solution. Its design allows for precise alignment and tight fastening, which is crucial for maintaining the integrity of engine assemblies.

QST30 Series

• QST30 CM2350 T101
• QST30 CM552

For the QST30 series, the 3093862 screw plays a vital role in securing larger and more complex components. The flange head design provides a larger bearing surface, distributing the load more evenly and reducing the risk of stripping or loosening over time. This is particularly important in high-stress environments where the engine operates under significant load.

The use of the 3093862 screw across these engines highlights its versatility and importance in ensuring the reliability and performance of Cummins engines. Its design and material properties make it suitable for a variety of applications within these engine models, contributing to the overall durability and efficiency of the engine systems.

Hexagon Flange Head Cap Screw (Part 3093862) Component Usage

The Hexagon Flange Head Cap Screw, identified by part number 3093862, is a versatile fastener utilized in various engine systems to ensure secure and reliable connections. Its application spans across multiple components, enhancing the overall integrity and performance of the engine.

Adapter Connection and Adapter Kit Connection

In the context of adapter connections and adapter kit connections, the Hexagon Flange Head Cap Screw is employed to fasten adapter components securely to the engine block or other critical parts. This ensures that the adapters remain firmly in place, facilitating efficient fluid transfer and maintaining the structural stability of the engine system.

Air Intake Connection and Air Intake Manifold

For the air intake connection and air intake manifold, this screw plays a significant role in securing the manifold to the engine block. A stable connection is essential for optimal airflow into the combustion chamber, directly influencing engine performance and efficiency.

Cam Follower Assembly

Within the cam follower assembly, the Hexagon Flange Head Cap Screw is used to attach the follower to the engine block or camshaft. This secure attachment is vital for the precise operation of the valve train, ensuring smooth and consistent engine operation.

Coolant Heater Starting Aid

In the coolant heater starting aid system, the screw is utilized to mount the heater unit to the engine block. This secure attachment ensures that the heater functions effectively, providing necessary warmth to the coolant for easier engine starts in cold conditions.

Cylinder Block and Cylinder Block Hardware Kit

The screw is integral in the assembly of the cylinder block, particularly when installing the cylinder block hardware kit. It ensures that all components are tightly secured, preventing any movement that could lead to engine malfunction.

Engine Coolant Vent

For the engine coolant vent, the Hexagon Flange Head Cap Screw is used to attach the vent to the engine block. This secure connection is important for proper venting of coolant vapors, maintaining the integrity of the cooling system.

Fuel Filter and Fuel System Accessories

In the fuel system, the screw is used to secure the fuel filter and various fuel system accessories to the engine block or fuel lines. This ensures a leak-free connection, which is essential for the safe and efficient operation of the fuel system.

Oil Pan

The oil pan attachment to the engine block often utilizes this screw to ensure a tight and secure fit. This is important for preventing oil leaks and maintaining the lubrication system’s integrity.

Product Installation Package

During the installation of various engine components using a product installation package, the Hexagon Flange Head Cap Screw is frequently included to ensure that all parts are correctly and securely fastened.

Thermostat (Top Level Assembly) Housing, Thermostat Housing, and Thermostat Housing Arrangement

In the thermostat housing and its arrangements, the screw is used to secure the housing to the engine block. This ensures that the thermostat operates within its designed parameters, maintaining optimal engine temperature.

Water Transfer Connection

Finally, in the water transfer connection system, the screw is used to secure components that facilitate the transfer of coolant throughout the engine. This ensures efficient cooling and prevents leaks within the system.

The Hexagon Flange Head Cap Screw (part 3093862) is a fundamental component in the assembly and maintenance of various engine systems, ensuring that all connections are secure and reliable.

Conclusion

The 3093862 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and flange, ensures efficient torque application and load distribution, making it suitable for demanding applications. Proper installation, regular maintenance, and timely troubleshooting are essential to ensure the longevity and reliability of this Cummins part. By understanding its key features, benefits, and applications, truck operators and mechanics can effectively utilize the 3093862 screw to maintain the performance and integrity of their vehicles.