3694969
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3694969 and manufactured by Cummins, is a vital component in the maintenance and operation of commercial trucks. Cummins, a renowned name in the automotive industry, is recognized for its commitment to quality and innovation. This screw plays a significant role in ensuring the structural integrity and efficient operation of various truck components.

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 secure tightening using a wrench or socket, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material. In a truck’s mechanical system, these screws are used to fasten components that require both strength and stability.

Purpose and Role

The 3694969 Hexagon Flange Head Cap Screw is specifically designed to secure critical components within a truck’s mechanical system. It is commonly used in applications where high tensile strength and resistance to loosening are required. This screw plays a role in fastening engine components, transmission parts, and other critical assemblies, ensuring they remain securely in place under various operating conditions.

Key Features

The 3694969 Hexagon Flange Head Cap Screw features a hexagonal head that allows for easy and precise tightening. The flange at the base of the screw provides additional stability and load distribution, reducing the risk of the screw pulling through the material. Additionally, the screw is made from high-quality materials, ensuring durability and resistance to corrosion, which is particularly important in the demanding environment of commercial truck operations.

Benefits

One of the primary benefits of the 3694969 Hexagon Flange Head Cap Screw is its enhanced stability. The flange design helps to distribute the load more evenly, reducing the risk of the screw pulling through the material. Additionally, the hexagonal head allows for secure tightening, minimizing the risk of loosening over time. The high-quality material composition ensures durability and resistance to corrosion, making it suitable for heavy-duty applications.

Installation and Usage

Proper installation of the 3694969 Hexagon Flange Head Cap Screw is crucial to ensure a secure fit and optimal performance. It is recommended to use a torque wrench to achieve the specified torque settings, which can be found in the manufacturer’s guidelines. Ensuring that the screw is tightened to the correct torque helps to prevent over-tightening, which can lead to damage, and under-tightening, which can result in loosening. Additionally, using a thread locker can further enhance the screw’s resistance to loosening.

Troubleshooting and Maintenance

Common issues with the 3694969 Hexagon Flange Head Cap Screw include loosening and corrosion. Regular inspection and maintenance can help to identify and address these issues before they lead to more significant problems. If loosening is detected, re-tightening the screw to the specified torque settings and applying a thread locker can help to prevent further loosening. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can prolong the screw’s lifespan.

Cummins Overview

Cummins is a leading manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation in the commercial truck market. The company’s dedication to research and development ensures that its products, including the 3694969 Hexagon Flange Head Cap Screw, meet the demanding requirements of heavy-duty applications.

Hexagon Flange Head Cap Screw 3694969 in Cummins Engines

The Cummins Hexagon Flange Head Cap Screw part number 3694969 is a critical component in several Cummins engine models. This screw is designed to provide secure fastening in applications where a robust and reliable connection is essential.

Application in Specific Engine Models

15N CM2380 M104B, ISG11 CM2880 G108, ISG12 CM2880 G107

In these engines, the 3694969 screw is typically used for securing various engine components, ensuring that parts remain tightly fastened under operational stresses. Its flange head design allows for easy access and adjustment, which is crucial during maintenance and repair procedures.

ISG12 G CMOH6.0 G111, QSG12 CM2880 G112

For these models, the screw’s role is equally important. It is often used in areas where vibration resistance and durability are paramount. The hexagon flange head provides a larger surface area for torque application, enhancing the screw’s ability to maintain a tight hold.

QSG12/X12 CM2350 G110, X12 CM2350 X119B, X12 CM2670 X121B

In these engines, the 3694969 screw is utilized in various applications, including securing covers and housings. Its design ensures that these components are fastened securely, preventing any potential loosening due to operational vibrations.

X12N CMMDG1 X143B, Z14 CM2670 Z103B

For these models, the screw’s application extends to critical areas where high strength and reliability are required. Its use in these engines ensures that all fastened components remain securely in place, contributing to the overall performance and longevity of the engine.

Grouping of Engines

The engines listed can be grouped based on their model series and common usage scenarios. For instance:

• 15N CM2380 M104B, ISG11 CM2880 G108, ISG12 CM2880 G107: These engines are often found in applications requiring robust and reliable performance.
• ISG12 G CMOH6.0 G111, QSG12 CM2880 G112: These models are typically used in environments where vibration resistance is critical.
• QSG12/X12 CM2350 G110, X12 CM2350 X119B, X12 CM2670 X121B: These engines are commonly employed in applications where durability and ease of maintenance are essential.
• X12N CMMDG1 X143B, Z14 CM2670 Z103B: These models are often utilized in high-strength applications, ensuring that all fastened components remain securely in place.

Role of Part 3694969 Hexagon Flange Head Cap Screw in Engine Systems

The part 3694969 Hexagon Flange Head Cap Screw is instrumental in securing various components within engine systems, ensuring stability and proper function.

Ball Plug

In the context of the ball plug, this screw is used to fasten the ball plug securely in place. The ball plug is often utilized to seal openings or passages within the engine, and the Hexagon Flange Head Cap Screw provides the necessary tension to maintain a tight seal, preventing leaks and ensuring the integrity of the engine’s internal environment.

Cylinder Head

When it comes to the cylinder head, the Hexagon Flange Head Cap Screw plays a significant role in attaching various components to the head. It is commonly used to secure gaskets, sensors, or other attachments that are critical for the cylinder head’s operation. The flange head design offers additional surface area for torque application, enhancing the screw’s ability to withstand vibrational forces common in engine operation.

Rocker Lever

For the rocker lever, this screw is often employed to fasten the rocker lever to its support or shaft. The rocker lever is a pivotal component in the valve train, responsible for transferring motion from the camshaft to the valves. The Hexagon Flange Head Cap Screw ensures that the rocker lever remains firmly in place, allowing for precise and consistent valve operation.

Rocker Lever Shaft

In the assembly of the rocker lever shaft, the Hexagon Flange Head Cap Screw is used to secure the shaft within the engine block or cylinder head. This ensures that the shaft remains aligned and stable, which is essential for the smooth operation of the valve train. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

Rocker Lever Support

Lastly, the Hexagon Flange Head Cap Screw is vital in attaching the rocker lever support to the engine block or cylinder head. The support provides a stable mounting point for the rocker lever, and the screw ensures that this connection is robust and secure. This is particularly important in high-performance engines where the forces acting on the valve train are significantly greater.

Conclusion

In summary, the part 3694969 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the secure and efficient operation of various engine components. Its design and functionality make it an essential part in the assembly and maintenance of engine systems.

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