3864018
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3864018 and manufactured by Cummins, is a significant component in the realm of commercial truck maintenance. This screw is designed to meet the rigorous demands of heavy-duty truck applications, ensuring reliable performance and durability. Cummins, a well-respected name in the industry, produces this part to enhance the efficiency and longevity of truck components.

Basic Concepts and Functionality

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. In truck assembly and maintenance, these screws are commonly used to secure various components, offering a balance of strength and ease of use. The flange head design also aids in aligning the screw with the mating part, ensuring precise fitting.

Role in Truck Operation

The 3864018 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is often used in applications where secure fastening is required, such as in the attachment of brackets, panels, and other structural components. Its design ensures that these parts remain firmly in place, even under the dynamic conditions experienced by heavy-duty trucks. The screw is integral to maintaining the structural integrity and operational efficiency of the truck.

Key Features

The 3864018 Hexagon Flange Head Cap Screw boasts several key features that contribute to its performance and durability. Its hexagonal head design allows for easy and efficient tightening and loosening using common tools. The flange at the base of the screw provides additional surface area, which helps distribute the load and prevents the screw from embedding into the material. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-lasting performance in demanding environments.

Benefits

Using the 3864018 Hexagon Flange Head Cap Screw offers several benefits. The design of the screw enhances fastening security, reducing the risk of loosening over time. The flange feature provides additional stability, making it less likely for the screw to work its way out under vibration or dynamic loads. Furthermore, the ease of installation and removal makes it a practical choice for maintenance tasks, allowing for quick and efficient servicing.

Installation Considerations

Proper installation of the 3864018 Hexagon Flange Head Cap Screw is crucial for ensuring a secure and lasting fastening. It is recommended to follow torque specifications provided by the manufacturer to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise the fastening integrity. Using the appropriate tools, such as a torque wrench, ensures that the screw is tightened to the correct specification. Additionally, inspecting the mating surfaces for cleanliness and proper alignment before installation can help achieve a secure fit.

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. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected screw may need to be replaced to ensure continued performance. Keeping the fastening areas clean and free of debris can also prolong the life of the screw and maintain its effectiveness.

Cummins: Manufacturer Overview

Cummins Inc. is a globally recognized leader in the design, manufacture, and distribution of engines and related technologies. With a rich history spanning over a century, Cummins has established a strong reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence and customer satisfaction makes it a trusted source for truck components.

Applications and Use Cases

The 3864018 Hexagon Flange Head Cap Screw is commonly used in various applications within commercial trucks. It is often found in the attachment of body panels, brackets, and other structural components where secure and durable fastening is required. Specific systems that benefit from this screw include the truck’s frame, suspension components, and various engine and transmission mounts. Its versatile design and robust construction make it suitable for a wide range of fastening tasks in heavy-duty truck environments.

Engine Compatibility with Hexagon Flange Head Cap Screw 3864018

The Hexagon Flange Head Cap Screw 3864018, manufactured by Cummins, is a critical component in various engine assemblies. This screw is designed to provide secure fastening in applications where high strength and durability are paramount. Here is how it fits with the specified engines:

Cummins 4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines, both part of Cummins’ mid-range diesel engine lineup, utilize the 3864018 screw in several key areas. These engines are known for their robust design and are commonly used in a variety of applications, including agricultural machinery, construction equipment, and industrial power systems. The screw is often employed in securing engine components such as covers, brackets, and housings, ensuring that these parts remain tightly fastened under operational stresses.

Cummins 6C8.3 Engine

The 6C8.3 engine, a part of Cummins’ heavy-duty diesel engine series, also incorporates the 3864018 screw. This engine is designed for heavy-duty applications, including on-highway trucks, off-highway vehicles, and marine propulsion systems. The screw’s high-strength properties are crucial in maintaining the integrity of engine components under extreme conditions, such as high torque and varying temperatures.

Cummins QSC9 CM2250/QSL9 CM2250 Engines

The QSC9 CM2250 and QSL9 CM2250 engines, which are part of Cummins’ high-output diesel engine range, also benefit from the use of the 3864018 screw. These engines are typically used in demanding applications such as power generation, marine propulsion, and heavy-duty industrial settings. The screw’s ability to provide a reliable and secure fastening solution is essential in these environments, where reliability and performance are critical.

In summary, the 3864018 Hexagon Flange Head Cap Screw is a versatile and essential component in the assembly of Cummins’ 4B3.9, 6B5.9, 6C8.3, QSC9 CM2250, and QSL9 CM2250 engines. Its use across these engines highlights its importance in ensuring the structural integrity and operational efficiency of these robust diesel engines.

Role of Part 3864018 Hexagon Flange Head Cap Screw in Engine Systems

The part 3864018 Hexagon Flange Head Cap Screw is instrumental in ensuring the secure and efficient operation of various engine components. Its design and functionality contribute significantly to the integrity and performance of the engine system.

Connection Points

At connection points within the engine, the Hexagon Flange Head Cap Screw plays a vital role in maintaining structural integrity. It is often used to fasten components that require a robust and tamper-resistant connection. The flange head design provides additional surface area, enhancing the screw’s ability to distribute load and resist loosening due to vibrations.

Air Intake System

In the air intake system, this screw is employed to secure components such as air filters, intake manifolds, and other critical parts. Its hexagonal head allows for easy and precise tightening using a wrench or socket, ensuring that the air intake components remain firmly in place. This is essential for maintaining optimal airflow into the engine, which directly impacts combustion efficiency and overall engine performance.

Oil Level Gauge

The oil level gauge is another area where the Hexagon Flange Head Cap Screw is commonly used. It secures the gauge housing to the engine block or other mounting points. Accurate oil level readings are crucial for engine health, and the secure attachment provided by this screw ensures that the gauge remains in the correct position, offering reliable readings.

Mounting Components

For mounting various engine components, such as sensors, brackets, and auxiliary equipment, the Hexagon Flange Head Cap Screw offers a dependable solution. Its design ensures that these components are held firmly in place, even under the dynamic conditions experienced within an engine environment. This is particularly important for sensors that require precise positioning to function correctly.

Intake Connection

In the intake connection area, this screw helps in securing the intake pipes and connectors. A secure connection here is essential to prevent air leaks, which can adversely affect engine performance and fuel efficiency. The flange head of the screw provides additional stability, reducing the risk of disconnection under engine vibrations.

Oil Level and Pressure Systems

In oil level and pressure systems, the Hexagon Flange Head Cap Screw is used to attach components like oil filters, pressure sensors, and relief valves. Ensuring these parts are securely fastened is essential for maintaining the integrity of the oil system, which is critical for lubricating moving parts and cooling the engine.

In summary, the part 3864018 Hexagon Flange Head Cap Screw is a versatile and reliable component in engine systems, contributing to the secure attachment and stable operation of various critical components.

Conclusion

The 3864018 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and diesel engines. Its robust design, ease of use, and reliable performance make it an essential part for securing various components in heavy-duty applications. Proper installation and maintenance of this screw ensure the structural integrity and operational efficiency of the truck and engine systems.