3329229
Studded Flange Cap Screw
Cummins®

Introduction

The Studded Flange Cap Screw 3329229 is a specialized fastener designed for heavy-duty truck applications. Manufactured by Cummins, a company with a strong reputation in the automotive and heavy-duty truck industries, this part ensures the secure attachment of various components within a truck’s mechanical system ¹.

Basic Concepts of Studded Flange Cap Screws

A Studded Flange Cap Screw is a type of fastener that includes a threaded stud and a flanged head. The stud provides a continuous thread that can be used with a nut, while the flange offers additional surface area for torque application, enhancing the screw’s holding power. In a truck’s mechanical system, these screws are used to secure components that require a strong, reliable connection ².

Purpose and Role in Truck Operation

The 3329229 Studded Flange Cap Screw is utilized in various truck systems where secure fastening is required. It is commonly applied in the attachment of engine components, exhaust systems, and other critical assemblies. By providing a robust connection, this screw helps maintain the integrity and performance of the truck’s mechanical systems ³.

Key Features

The 3329229 Studded Flange Cap Screw features a design that includes a hexagonal flanged head, which allows for easy tightening and loosening using standard tools. It is made from high-strength materials, ensuring durability under the demanding conditions of heavy-duty truck operation. The screw’s studded design allows for versatile application, as it can be used with nuts or directly threaded into components ⁴.

Benefits

Using the 3329229 Studded Flange Cap Screw offers several advantages. Its robust design and high-strength material composition contribute to improved durability and reliability. The flanged head provides additional torque application surface, enhancing the screw’s holding power. This results in more efficient and secure fastening in truck operations.

Installation Process

To install the 3329229 Studded Flange Cap Screw, begin by ensuring the mating surfaces are clean and free of debris. 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 settings. This ensures a secure fit without over-tightening, which could damage the screw or the component it is attaching.

Troubleshooting and Maintenance

Common issues with the 3329229 Studded Flange Cap Screw may include loosening over time due to vibration or corrosion. Regular inspection and re-torquing can help maintain its effectiveness. Signs of wear or damage, such as stripped threads or a deformed flange, indicate the need for replacement. Proper maintenance, including protection against corrosion and regular checks, can prolong the screw’s lifespan.

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, reliability, and innovation in the automotive and heavy-duty truck industries. Their commitment to excellence is reflected in the design and performance of components like the 3329229 Studded Flange Cap Screw.

Integration of Studded Flange Cap Screw in Cummins Engines

The Studded Flange Cap Screw, part number 3329229, manufactured by Cummins, plays a significant role in the assembly and maintenance of several engine models. This part is integral to the structural integrity and operational efficiency of the engines, ensuring that various components are securely fastened.

N14 CELECT PLUS and QSN14 CM876 N103

In the N14 CELECT PLUS and QSN14 CM876 N103 engines, the Studded Flange Cap Screw is utilized in several critical applications. These engines, known for their robust performance and reliability, require precise fastening to maintain their operational integrity. The studded flange cap screw ensures that flanges and other critical components are tightly secured, preventing any potential leaks or mechanical failures.

QSK19 CM2350 K105 and QSK19 CM2350 K114

Similarly, in the QSK19 CM2350 K105 and QSK19 CM2350 K114 engines, the Studded Flange Cap Screw is employed to fasten various components. These engines are designed for high-performance applications, and the use of this screw ensures that all parts are held firmly in place, contributing to the overall durability and efficiency of the engine. The studded design provides an additional layer of security, making it ideal for the demanding environments these engines often operate in.

The consistent use of the Studded Flange Cap Screw across these engine models underscores its importance in maintaining the structural and operational integrity of Cummins engines. This part’s reliability and effectiveness make it a vital component in the assembly and maintenance of these high-performance engines.

Role of Part 3329229 Studded Flange Cap Screw in Engine Systems

The Part 3329229 Studded Flange Cap Screw is a critical component in various engine systems, providing secure fastening and reliable performance across multiple assemblies. Here’s how it integrates with key components:

1. Cooler and Engine Oil Cooler Assemblies In cooler and engine oil cooler assemblies, the Studded Flange Cap Screw ensures a tight and durable connection between the cooler housing and the engine block or other mounting surfaces. This secure fit is vital for maintaining the integrity of the cooling system, preventing leaks, and ensuring efficient heat exchange.

2. Cover and Housing Components When used in cover and housing components, such as the thermostat housing, the Studded Flange Cap Screw plays a significant role in sealing the housing to prevent coolant or engine oil from escaping. This is particularly important in high-pressure environments where any leakage could lead to system failure or reduced efficiency.

3. Valve Assemblies In valve assemblies, the Studded Flange Cap Screw is employed to fasten valve covers and other related components. Its design allows for a robust connection that can withstand the dynamic forces and vibrations inherent in engine operation, ensuring the valve system functions smoothly and reliably.

4. Thermostat and Thermostat Top-Level Assembly Housing For thermostat and thermostat top-level assembly housing, the Studded Flange Cap Screw provides a secure attachment point. This is essential for maintaining the precise positioning of the thermostat within the housing, which is critical for accurate temperature regulation and overall engine performance.

5. General Engine Systems Across various engine systems, the Studded Flange Cap Screw is utilized to fasten components that require a strong, vibration-resistant connection. Its studded design enhances the screw’s ability to grip the mating surfaces, reducing the risk of loosening over time and ensuring long-term reliability in demanding engine environments.

Conclusion

The 3329229 Studded Flange Cap Screw by Cummins is a vital component in heavy-duty truck and engine systems. Its robust design, high-strength materials, and versatile application make it an essential fastener for securing critical components. Proper installation, regular maintenance, and understanding its role in various engine assemblies ensure the longevity and reliability of the mechanical systems it supports.