3406875
Studded Flange Cap Screw
Cummins®

Introduction

The Cummins 3406875 Studded Flange Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. It is integral to the secure assembly of various components within the truck’s mechanical system, ensuring reliable performance under demanding conditions ¹.

Basic Concepts

A Studded Flange Cap Screw consists of a threaded stud that is permanently attached to a flange, and a cap screw that screws onto the stud. This design allows for the secure fastening of components, providing a robust connection that can withstand significant stress and vibration. The 3406875 model is engineered to meet the rigorous demands of heavy-duty truck environments ².

Purpose and Role

This Cummins part plays a significant role in the operation of a truck by securing flanges and other critical components. It ensures that parts remain firmly in place, which is vital for the proper functioning of the truck’s mechanical systems. This screw is commonly used in applications where high torque and resistance to loosening are required ³.

Key Features

The 3406875 is characterized by several key features that enhance its performance and durability. It is typically made from high-strength materials, such as alloy steel, which provides excellent resistance to wear and corrosion. The threading type is designed to offer a secure grip, while the overall design specifications ensure compatibility with various flange sizes and configurations.

Benefits

Using this part offers several benefits. It provides improved stability by ensuring that components remain securely fastened, even under dynamic loads. Its design resists vibration, which helps maintain the integrity of the assembly over time. Additionally, the screw’s durability ensures longevity in harsh operating conditions, reducing the need for frequent replacements.

Installation Process

Proper installation of the 3406875 is crucial for optimal performance and safety. The process involves aligning the screw with the flange, ensuring that the stud is properly seated. The cap screw is then tightened to the specified torque using appropriate tools to achieve a secure connection without over-tightening, which could damage the components.

Maintenance and Troubleshooting

Regular maintenance of the 3406875 is important to extend its service life. This includes periodic checks for signs of wear or corrosion, and ensuring that the screw remains properly tightened. Common issues such as loosening can often be addressed by re-tightening the screw to the recommended torque specifications. In cases of significant wear or damage, replacement may be necessary.

Compatibility and Applications

The 3406875 is commonly used in Cummins engines and other heavy-duty truck components where secure fastening is required. Its design ensures compatibility with a range of flange sizes and configurations, making it a versatile choice for various applications within the automotive industry.

Safety Considerations

When working with the 3406875, it is important to observe safety practices to prevent accidents and ensure proper handling. This includes using the correct tools for installation and maintenance, wearing appropriate personal protective equipment, and following manufacturer guidelines to avoid over-tightening or under-tightening, which could compromise the integrity of the assembly.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and a commitment to quality, Cummins provides reliable products that meet the needs of various industries, including automotive and heavy-duty trucking. The company’s focus on technological advancement and customer satisfaction underscores its position as a leader in the industry.

Engine Compatibility with Studded Flange Cap Screw 3406875

The Studded Flange Cap Screw 3406875, manufactured by Cummins, is a critical component in the assembly and maintenance of several Cummins engine models. This part is designed to provide secure fastening in applications where high strength and durability are essential.

ISG12 G CMOH6.0 G111

The ISG12 G CMOH6.0 G111 engine is one of the models that utilize the Studded Flange Cap Screw 3406875. This screw is integral in ensuring the proper alignment and secure fastening of flanges, which is crucial for maintaining the integrity of the engine’s cooling and exhaust systems.

ISM CM570 and ISM CM570/870

Both the ISM CM570 and ISM CM570/870 engines benefit from the use of the Studded Flange Cap Screw 3406875. This screw is often used in the assembly of various engine components, including but not limited to, the cylinder head and exhaust manifold. Its studded design provides a robust connection that can withstand the high pressures and temperatures typical in these engines.

ISM11 CM876 SN

The ISM11 CM876 SN engine also incorporates the Studded Flange Cap Screw 3406875 in several critical applications. This screw is essential in securing components that are exposed to significant mechanical stress, ensuring long-term reliability and performance.

ISX CM570

In the ISX CM570 engine, the Studded Flange Cap Screw 3406875 is used in various assemblies where a strong and reliable fastening solution is required. This includes securing parts of the engine block and other critical assemblies that must maintain their integrity under operational conditions.

QSM11 CM570

The QSM11 CM570 engine utilizes the Studded Flange Cap Screw 3406875 in several key areas. This screw is particularly important in applications where flanges need to be tightly secured to prevent leaks and ensure proper system operation. Its design allows for easy installation and removal, facilitating maintenance and repair processes.

Role of Part 3406875 Studded Flange Cap Screw in Engine Systems

The 3406875 Studded Flange Cap Screw is an essential component in various engine systems, facilitating secure and reliable connections. In the 24V Sentinel Install Kit, this screw ensures that the sentinel valve is firmly attached, allowing for precise control over the engine’s operation.

Within the Sentinel Valve Kit, it plays a similar role, securing the valve components to prevent any misalignment or failure during operation.

In the Cooler System, the screw is used to attach the cooler to the engine, ensuring a stable and leak-free connection, which is vital for maintaining optimal engine temperature.

For the Engine Oil System, the 3406875 screw is employed in the Centinel Make-Up QSX Kit to secure oil replenishing components, ensuring consistent oil levels and pressure.

In the ISM Burn-Only Valve/Mounting Kit and ISM Valve & Mounting Kit, this screw is critical for attaching valves and mounting brackets, providing a secure fit that withstands the high pressures and temperatures of the engine environment.

Additionally, in systems involving Resistors and addressing Corrosion, the screw helps in securing components that protect against electrical issues and material degradation, respectively.

Overall, the 3406875 Studded Flange Cap Screw is a versatile fastener that enhances the reliability and performance of various engine systems by ensuring secure and durable connections.

Conclusion

The Cummins 3406875 Studded Flange Cap Screw is a critical component in heavy-duty truck applications, providing secure and reliable fastening solutions for various engine systems. Its robust design, compatibility with different flange sizes, and high-strength materials make it an essential part for maintaining the integrity and performance of Cummins engines and other heavy-duty components.