3285066
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3285066, is a component manufactured by Cummins. This screw is significant in heavy-duty truck applications due to its robust design and reliable performance. Cummins, a well-established manufacturer, is known for producing high-quality automotive components that meet the demanding requirements of heavy-duty vehicles ¹.

Basic Concepts

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 for distribution of clamping force. This design ensures secure fastening and resistance to loosening under vibration, which is particularly important in the dynamic environment of heavy-duty trucks ².

Purpose and Role in Truck Operation

The 3285066 Hexagon Flange Head Cap Screw serves a specific purpose in heavy-duty trucks by securing various components and contributing to the structural integrity of the vehicle. It is commonly used in applications where vibration and high loads are present, such as in engine mounts, transmission housings, and chassis components. By providing a strong and stable connection, this screw helps maintain the alignment and functionality of critical parts ³.

Key Features

The 3285066 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening with standard wrenches or sockets. The flange at the base of the screw head enhances the distribution of clamping force, reducing the risk of damage to the fastened material. Additionally, the screw is typically made from high-strength materials, such as alloy steel, which provides excellent durability and resistance to corrosion. These features collectively contribute to the screw’s functionality and longevity in demanding applications ⁴.

Benefits

Using the 3285066 Hexagon Flange Head Cap Screw in heavy-duty truck applications offers several benefits. The design of the screw enhances fastening security, making it less prone to loosening under vibration compared to standard cap screws. Its robust construction ensures longevity, reducing the need for frequent replacements. Additionally, the flange head provides a larger bearing surface, which can help prevent damage to the fastened components and improve overall structural integrity ⁵.

Installation Guidelines

Proper installation of the 3285066 Hexagon Flange Head Cap Screw is crucial for optimal performance. Begin by ensuring that the mating surfaces are clean and free of debris. Align the screw with the designated hole and start threading it by hand to avoid cross-threading. Use a torque wrench to tighten the screw to the manufacturer’s specified torque value, which ensures the correct clamping force without over-tightening. It is also important to periodically check the screw’s tightness, especially in applications subject to frequent vibration ⁶.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. To address these problems, regularly inspect the screws for signs of wear or damage. If a screw appears loose, re-tighten it to the specified torque value. In cases of corrosion, consider replacing the screw to prevent further degradation. Maintenance tips include applying a thread locker to enhance resistance to vibration and using corrosion-resistant coatings or materials to extend the screw’s lifespan ⁷.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to follow safety guidelines to prevent injuries and ensure proper installation. Use personal protective equipment, such as gloves and safety glasses, to protect against potential hazards. Adhere to the manufacturer’s torque specifications to avoid over-tightening, which can lead to stripped threads or damaged components. Additionally, ensure that all tools and equipment are in good working condition to maintain a safe working environment ⁸.

Cummins 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 is renowned for its commitment to innovation, reliability, and customer satisfaction. The company’s extensive product line includes a wide range of components for heavy-duty trucks, designed to meet the rigorous demands of commercial and industrial applications. Cummins’ reputation for quality and performance makes it a trusted choice for automotive professionals and enthusiasts alike.

Hexagon Flange Head Cap Screw (Part 3285066) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3285066, is a critical component in various Cummins engines, ensuring secure fastening and structural integrity. This part is designed to withstand high stress and pressure, making it suitable for use in demanding engine environments.

Application in Cummins Engines

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines benefit from the use of the Hexagon Flange Head Cap Screw in several areas. These engines, known for their robust performance, require reliable fastening solutions to maintain alignment and integrity of various components. The screw’s design allows for precise and secure attachment, which is crucial for the operational efficiency and longevity of these engines.

B6.7 CM2670 and B153B Engines

In the B6.7 CM2670 and B153B engines, the Hexagon Flange Head Cap Screw is utilized in the assembly of critical engine parts. These engines are designed for heavy-duty applications, and the screw’s ability to provide a strong and stable connection is essential. The screw’s flange head design ensures a broad surface area for torque application, enhancing the fastening process.

ISC CM850 and ISL9 CM2150 SN Engines

The ISC CM850 and ISL9 CM2150 SN engines also incorporate the Hexagon Flange Head Cap Screw in their construction. These engines are known for their durability and performance in various industrial applications. The screw’s high-strength properties make it ideal for securing components that are subject to significant mechanical stress.

L9 CM2670 L128B and QSB6.7 CM2250 Engines

The L9 CM2670 L128B and QSB6.7 CM2250 engines utilize the Hexagon Flange Head Cap Screw to ensure the secure fastening of engine components. These engines are designed for a range of applications, from agricultural to construction, and the screw’s reliability is crucial for maintaining the structural integrity of the engine under various operating conditions.

QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 Engines

The QSB6.7 CM850 (CM2850) and QSB7 CM2880 B117 engines also incorporate the Hexagon Flange Head Cap Screw in their design. These engines are known for their power and efficiency, and the screw’s ability to provide a strong and stable connection is essential for their performance. The screw’s design ensures that components are securely fastened, contributing to the overall reliability and durability of the engine.

The Hexagon Flange Head Cap Screw, part number 3285066, is a vital component in the Cummins engine lineup, providing the necessary strength and reliability for secure fastening in various engine applications.

Role of Part 3285066 Hexagon Flange Head Cap Screw in Engine Systems

The Part 3285066 Hexagon Flange Head Cap Screw is integral to the assembly and functionality of various engine components. Its design allows for secure fastening, ensuring that parts remain firmly in place under operational stress.

Compressor and Air Connection

In compressor systems, this screw is often used to secure the compressor housing to its mounting bracket. This ensures that the compressor remains stable during operation, minimizing vibrations that could lead to inefficiencies or damage. Additionally, it plays a role in securing air connections, maintaining the integrity of the air pathway from the intake to the compressor.

Air Intake and Fuel Pump Coupling

For the air intake system, the screw is employed to fasten the intake manifold to the engine block. This connection is vital for maintaining a sealed environment, which is necessary for optimal air-fuel mixture and engine performance. In fuel pump couplings, it secures the pump to the engine, ensuring that fuel delivery remains consistent and reliable.

Gauge and Oil Level Monitoring

When it comes to gauges, particularly those monitoring oil levels, the screw is used to attach the gauge housing to the engine. This secure attachment is essential for accurate readings, as any movement or instability could lead to incorrect oil level indications, potentially causing engine damage due to improper lubrication.

Governor and Air Compressor

In governor systems, the screw helps in attaching the governor mechanism to the engine, ensuring that the engine speed is regulated effectively. For air compressors, it is used to secure various components, such as the compressor head to the body, ensuring that the compressor operates efficiently without undue stress on its parts.

Intake Connection Mounting

Lastly, in intake connection mounting, the screw is utilized to secure the intake pipe to the engine block or manifold. This ensures a tight seal, preventing air leaks that could affect engine performance and efficiency.

Overall, the Part 3285066 Hexagon Flange Head Cap Screw plays a significant role in maintaining the structural integrity and operational efficiency of various engine components.

Conclusion

The 3285066 Hexagon Flange Head Cap Screw is a critical component in heavy-duty truck and engine applications, providing secure fastening and structural integrity. Its robust design, high-strength materials, and resistance to corrosion make it suitable for demanding environments. Proper installation, regular maintenance, and adherence to safety guidelines are essential for ensuring the longevity and reliability of this Cummins part.