3691817
Studded Flange Cap Screw
Cummins®

Introduction

The 3691817 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 ensuring the mechanical integrity and operational efficiency of various truck systems.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener that includes a threaded stud and a cap screw. The stud is permanently attached to a flange, which provides a broad surface for mounting and securing components. In the context of a truck’s mechanical system, this screw is used to connect and secure parts that require a high degree of stability and resistance to vibration and stress ¹.

Purpose and Role

The 3691817 Studded Flange Cap Screw serves a vital function in the operation of a truck. It is employed in applications where secure fastening is required, such as in the attachment of engine components, exhaust systems, and other critical assemblies. By providing a robust connection, it supports the overall performance and reliability of the truck’s mechanical systems ².

Key Features

The 3691817 Studded Flange Cap Screw is characterized by its durable design and high-quality material composition. It is crafted from materials that offer excellent resistance to corrosion and wear, ensuring longevity in demanding truck environments. The screw’s design includes a studded flange that enhances its ability to withstand high levels of stress and vibration ³.

Benefits

The use of the 3691817 Studded Flange Cap Screw in truck operations offers several benefits. Its robust construction contributes to improved durability and reliability, reducing the likelihood of failure under stress. Additionally, the secure fastening it provides can lead to more efficient truck operations, as it helps maintain the integrity of connected components.

Installation Process

Installing the 3691817 Studded Flange Cap Screw requires careful attention to ensure proper fitting and function. The process involves aligning the screw with the designated mounting points, using appropriate tools to tighten it to the manufacturer’s specified torque, and verifying that it is securely fastened. Safety precautions, such as wearing protective gear and ensuring the truck is stable, should be observed during installation.

Troubleshooting

Common issues with the 3691817 Studded Flange Cap Screw may include loosening over time due to vibration or corrosion. Troubleshooting steps involve inspecting the screw for signs of wear or damage, tightening it to the correct torque if it has loosened, and replacing it if corrosion or damage is detected. Regular checks can help identify and address issues before they lead to more significant problems.

Maintenance Tips

To ensure the optimal performance and longevity of the 3691817 Studded Flange Cap Screw, regular maintenance is recommended. This includes periodic inspection for signs of wear, corrosion, or loosening. Cleaning the screw and its surrounding area can prevent the buildup of debris that may contribute to corrosion. Additionally, ensuring that the screw is tightened to the correct torque during maintenance checks can help maintain its effectiveness.

Cummins Overview

Cummins is a renowned manufacturer in the commercial truck industry, known for its wide range of high-quality products. With a history of innovation and excellence, Cummins has established a strong reputation for producing reliable and efficient components that contribute to the performance and durability of commercial trucks. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of the trucking industry.

Studded Flange Cap Screw 3691817 in Cummins Engines

The Studded Flange Cap Screw 3691817, manufactured by Cummins, is a critical component in several of their engine models. This part is integral to the assembly and operation of the engines, ensuring secure fastening of flanges and other components. Below is a detailed look at how this part fits into various Cummins engine models:

ISX15 Engines

• ISX15 CM2250 SN
• ISX15 CM2350 X101

The Studded Flange Cap Screw 3691817 is used in the ISX15 engines to secure various flanges, particularly those that require a robust and reliable fastening solution. Its design ensures that the flanges remain tightly secured under the high stress and varying conditions these engines operate under.

QSX15 Engines

• QSX15 CM2250
• QSX15 CM2350 X105

In the QSX15 engines, this screw is employed to fasten flanges that are exposed to significant mechanical and thermal stress. The studded design provides an additional layer of security, preventing loosening due to vibrations and other operational stresses.

X15 Engines

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

For the X15 engines, the Studded Flange Cap Screw 3691817 is used in several variants, including the X15 CM2350 X116B, X15 CM2350 X123B, and X15 CM2450 X134B. This part is essential in maintaining the integrity of flange connections, ensuring that the engine components remain securely fastened throughout their operational life. The studded feature of the screw provides enhanced grip and stability, which is crucial for the high-performance demands of these engines.

Each of these engines relies on the Studded Flange Cap Screw 3691817 to maintain the structural integrity and operational efficiency of their flange connections. The screw’s design and material ensure that it can withstand the rigors of engine operation, providing a reliable fastening solution across various engine models.

Role of Part 3691817 Studded Flange Cap Screw in Engine Systems

The part 3691817 studded flange cap screw is instrumental in securing various components within engine systems, ensuring both stability and optimal performance.

In the context of the manifold, the studded flange cap screw plays a significant role in fastening the manifold to the engine block. This secure attachment is essential for maintaining the integrity of the manifold, which is responsible for distributing the air-fuel mixture to the cylinders. Proper fastening prevents leaks and ensures that the manifold operates efficiently under varying engine loads.

When it comes to the air intake system, the studded flange cap screw is used to secure the air intake components, such as the air filter housing and intake ducts. This securement is vital for maintaining a sealed and efficient airflow path from the air filter to the engine. A well-sealed air intake system ensures that the engine receives a consistent and clean air supply, which is fundamental for combustion efficiency and overall engine performance.

In both applications, the studded flange cap screw’s design allows for a robust connection that can withstand the vibrations and thermal expansions typical in engine environments. This reliability is key to the longevity and performance of the engine system components it supports.

Conclusion

The 3691817 Studded Flange Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks and engines. Its durable design, resistance to corrosion and wear, and robust fastening capabilities make it an essential part for ensuring the mechanical integrity and operational efficiency of truck systems. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.