3966882
Studded Flange Cap Screw
Cummins®

Introduction

The Studded Flange Cap Screw, identified by part number 3966882, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industries. This screw is integral to heavy-duty truck applications, ensuring secure connections and reliable performance in demanding environments.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener designed to secure flanges and other components within a truck’s mechanical system. It consists of a threaded stud that extends through a flange and is secured with a cap screw on the opposite side. This design allows for a robust connection that can withstand significant stress and vibration, common in heavy-duty truck operations ¹.

Purpose and Role in Truck Operation

The Studded Flange Cap Screw plays a role in the operation of a truck by securing flanges and other critical components. Its application ensures that connections remain intact under various operating conditions, contributing to the overall stability and functionality of the truck’s mechanical systems ².

Key Features

The Studded Flange Cap Screw features a design that includes a threaded stud and a cap screw. It is typically made from high-strength materials to ensure durability and reliability. Unique attributes such as corrosion resistance and high tensile strength enhance its performance, making it suitable for heavy-duty applications ³.

Benefits

Using a Studded Flange Cap Screw provides several benefits, including improved durability, reliability, and efficiency in truck operations. Its robust design ensures that connections remain secure, reducing the risk of component failure and enhancing the overall performance of the truck.

Installation Process

Proper installation of the Studded Flange Cap Screw involves several steps. First, ensure that the flange is properly aligned and positioned. Next, insert the threaded stud through the flange and secure it with the cap screw on the opposite side. It is important to use the correct torque specifications to avoid over-tightening, which can lead to damage, or under-tightening, which can result in an insecure connection.

Troubleshooting and Maintenance

Common issues with the Studded Flange Cap Screw may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues promptly. Ensuring that the screw is properly torqued and protected from corrosion can enhance its longevity and optimal performance.

Safety Considerations

When working with the Studded Flange Cap Screw, it is important to follow safety protocols. This includes wearing appropriate personal protective equipment, ensuring that the work area is clean and free from hazards, and following manufacturer guidelines for handling and usage. Proper training and awareness of potential risks can help ensure a safe working environment.

Cummins Overview

Cummins is a renowned manufacturer with a long history in the automotive and heavy-duty truck industries. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins is known for its commitment to quality, innovation, and customer satisfaction, making it a trusted name in the industry.

Engine Compatibility with Studded Flange Cap Screw Part 3966882

The Studded Flange Cap Screw part number 3966882, manufactured by Cummins, is a component in the assembly and maintenance of various engine models. This part is designed to secure flanges and other components, ensuring structural integrity and operational efficiency. Here is how it fits with the listed engines:

• ISC CM2150
• ISC CM850
• ISL CM2150
• ISL9 CM2150 SN
• QSL8.9 CM2150 L141
• QSL9 CM850(CM2850)
• L9 CM2670 L128B
• QSC8.3 CM850(CM2850)

These engines, which are part of the Cummins lineup, utilize the studded flange cap screw to secure various components, including but not limited to, exhaust manifolds, turbocharger housings, and other critical parts. The design of the screw ensures a tight and reliable connection, which is essential for maintaining the performance and longevity of these engines.

Role of Part 3966882 Studded Flange Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 3966882 studded flange cap screw plays a role in ensuring the integrity and functionality of various components.

Block Assembly

Within the engine block, the 3966882 studded flange cap screw is employed to secure critical components such as the cylinder head and main bearing caps. Its design allows for a robust connection, distributing load evenly across the mating surfaces and preventing any potential misalignment that could lead to engine failure.

Cylinder Head Fastening

The cylinder head, a vital component housing the combustion chamber, relies on the 3966882 studded flange cap screw for secure attachment to the engine block. This screw ensures a tight seal, which is essential for maintaining compression and preventing leaks that could compromise engine performance.

Oil Recirculation System

In the oil recirculation system, the 3966882 studded flange cap screw is used to fasten components such as the oil filter housing and various passages. This ensures that the oil flow is uninterrupted and that the system maintains optimal lubrication for all moving parts, thereby enhancing engine longevity.

Exhaust Manifold Attachment

The exhaust manifold, responsible for collecting exhaust gases from the cylinders, is another area where the 3966882 studded flange cap screw is utilized. It secures the manifold to the engine block, ensuring that the exhaust gases are efficiently directed away from the engine, contributing to both performance and emissions control.

Through its application in these components, the 3966882 studded flange cap screw demonstrates its versatility and importance in maintaining the structural and functional integrity of engine systems.

Conclusion

The Studded Flange Cap Screw part number 3966882 by Cummins is a critical component in heavy-duty truck and engine applications. Its robust design, high-strength materials, and versatile applications ensure secure connections and reliable performance across various engine models. Proper installation, maintenance, and adherence to safety protocols are essential for maximizing the benefits and longevity of this Cummins part.