3690644
Studded Flange Cap Screw
Cummins®

The 3690644 Studded Flange Cap Screw is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is designed for use in commercial trucks, where it plays a significant role in the assembly and operation of various engine components.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener that includes a threaded stud and a flanged head. Its general function in mechanical systems is to secure components together, providing a strong and reliable connection. In the context of a truck’s engine or other components, it ensures that parts remain firmly attached under various operating conditions ¹.

Role in Truck Operation

The 3690644 Studded Flange Cap Screw is integral to the operation of a truck. It secures components within the engine, contributing to the structural integrity of the assembly. By maintaining a tight connection between parts, it helps ensure that the engine operates smoothly and efficiently ².

Key Features

The 3690644 Studded Flange Cap Screw features a design that includes a studded end and a flanged head. It is typically made from high-strength materials to withstand the rigors of truck engine operation. The flange provides additional surface area for torque application, enhancing the screw’s ability to hold components securely. Its design also allows for easy installation and removal, which is beneficial during maintenance procedures ³.

Benefits

Using the 3690644 Studded Flange Cap Screw offers several benefits. Its robust design contributes to improved reliability in truck engine assemblies. The ease of installation reduces downtime during maintenance, and its durability leads to long-term cost savings for fleet operators by minimizing the need for frequent replacements.

Installation Process

Proper installation of the 3690644 Studded Flange Cap Screw involves several steps. First, ensure that the mating surfaces are clean and free of debris. Next, align the screw with the designated hole and begin threading it in by hand to avoid cross-threading. Once started, use a torque wrench to tighten the screw to the manufacturer’s specified torque setting. It is important to avoid over-tightening, which can damage the screw or the components being secured.

Troubleshooting and Maintenance

Common issues with the 3690644 Studded Flange Cap Screw may include loosening over time or corrosion in harsh operating environments. Regular inspection during maintenance intervals can help identify these issues early. To prevent loosening, ensure that the screw is torqued to the correct specification during installation. Applying a thread locker can also help maintain the screw’s position. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can extend the screw’s service life.

Safety Considerations

When working with the 3690644 Studded Flange Cap Screw, it is important to follow safety protocols. Use the correct tools for installation and removal to prevent damage to the screw or surrounding components. Adhere to torque specifications to avoid over-tightening, which can lead to component failure. Always wear appropriate personal protective equipment when performing maintenance tasks.

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 has established a reputation for quality and innovation in the commercial truck industry. The company’s product offerings include a wide range of components and systems designed to enhance the performance and reliability of commercial vehicles.

Application of Studded Flange Cap Screw (Part 3690644) in Cummins Engines

The Studded Flange Cap Screw, identified by part number 3690644, is a critical component in the assembly and maintenance of several Cummins engine models. This part is integral to the structural integrity and operational efficiency of the engines, ensuring that flanges are securely fastened and aligned.

ISX15 CM2250 and ISX15 CM2250 SN

The Studded Flange Cap Screw is utilized in the ISX15 CM2250 and ISX15 CM2250 SN engines for securing various flanges. These engines, known for their robust performance and reliability, require precise fastening to maintain operational standards and safety. The screw’s design ensures that flanges are tightly secured, preventing leaks and ensuring that the engine operates under optimal conditions.

ISX15 CM2350 X101

In the ISX15 CM2350 X101 engine, the Studded Flange Cap Screw plays a vital role in the assembly of flanges that are critical for the engine’s cooling and exhaust systems. The screw’s studded feature provides additional grip and stability, which is essential for maintaining the integrity of these systems under high-stress conditions.

X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B

For the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B engines, the Studded Flange Cap Screw is used in similar applications as in the ISX15 CM2350 X101. These engines benefit from the screw’s ability to provide a secure and stable connection for flanges, which is crucial for the proper functioning of the engine’s various systems. The studded design of the screw ensures that it can withstand the operational stresses and maintain a tight seal, which is essential for the longevity and efficiency of these engines.

Each of these engines, while differing in specific configurations and performance metrics, relies on the Studded Flange Cap Screw to ensure that flanges are properly secured. This part’s role in maintaining the structural integrity and operational efficiency of the engines cannot be overstated.

Role of Part 3690644 Studded Flange Cap Screw in Engine Systems

The Part 3690644 Studded Flange Cap Screw is integral to the assembly and functionality of various engine components, particularly the pan and oil system.

Pan Assembly

In the context of the engine pan, the Part 3690644 Studded Flange Cap Screw secures the pan to the engine block. This screw ensures a tight and leak-proof seal, which is essential for containing engine oil within the pan. The studded flange design provides additional stability and resistance to vibration, which is common in engine operations. This secure attachment helps maintain the structural integrity of the pan, preventing oil leaks that could lead to engine damage.

Oil System Integration

Within the oil system, the Part 3690644 Studded Flange Cap Screw plays a significant role in attaching the oil pan to the engine block. This connection is vital for the proper functioning of the oil circulation system. The screw ensures that the oil pan remains firmly in place, allowing for efficient oil drainage back into the pan after lubricating the engine components. A secure oil pan attachment is necessary for maintaining consistent oil levels and pressure, which are essential for engine performance and longevity.

Conclusion

Overall, the Part 3690644 Studded Flange Cap Screw is a key component in ensuring the reliability and efficiency of the engine’s pan and oil systems. Its robust design, ease of installation, and durability make it an essential part for maintaining the structural integrity and operational efficiency of Cummins engines.