3696102
Six Point Cap Screw
Cummins®

Introduction

The Cummins 3696102 Six Point Cap Screw is a specialized fastener designed for use in heavy-duty truck components. It is engineered to provide secure and reliable fastening in demanding environments, ensuring the integrity and performance of truck assemblies. This screw is significant in the context of heavy-duty trucks due to its robust design and ability to withstand high stress and vibration.

Basic Concepts of Six Point Cap Screws

A six point cap screw is a type of fastener characterized by its hexagonal head, which allows for efficient and secure tightening using a wrench or socket. These screws function by converting rotational force into axial force, which clamps components together. They are widely used in mechanical assemblies where strong, permanent fastening is required. The hexagonal shape of the head provides a larger contact area compared to other screw types, enhancing grip and reducing the risk of cam-out during tightening ¹.

Purpose and Role in Truck Operation

The Cummins 3696102 Six Point Cap Screw plays a vital role in the operation and maintenance of heavy-duty trucks. It is utilized in various applications within the truck, including engine components, transmission systems, and chassis assemblies. By securely fastening critical parts, it ensures the structural integrity and reliable performance of the truck. Its application areas include mounting brackets, engine covers, and other components where high tensile strength and resistance to loosening are necessary.

Key Features

The Cummins 3696102 Six Point Cap Screw boasts several key features that enhance its performance and durability. It is typically made from high-strength alloy steel, which provides excellent tensile strength and resistance to wear. The screw’s design includes a precise thread pitch and a robust hexagonal head, ensuring easy and secure installation. Additionally, it may feature a corrosion-resistant coating to protect against rust and environmental damage, prolonging its service life in harsh operating conditions.

Benefits

The Cummins 3696102 Six Point Cap Screw offers numerous benefits that contribute to its effectiveness in heavy-duty applications. Its high fastening strength ensures that components remain securely attached, even under significant stress and vibration. The screw’s resistance to loosening helps maintain the integrity of assemblies over time, reducing the need for frequent re-tightening. Furthermore, its durability in harsh environments ensures long-term reliability, minimizing maintenance requirements and enhancing overall truck performance.

Installation Guidelines

Proper installation of the Cummins 3696102 Six Point Cap Screw is crucial for optimal performance and safety. To install the screw, first, ensure that the mating surfaces are clean and free of debris. Use a torque wrench to tighten the screw to the specified torque value, which is typically provided in the manufacturer’s guidelines. It is important to follow the recommended tightening sequence to avoid distortion of the components being fastened. Additionally, periodically check the screw’s tightness during initial operation to ensure it remains secure.

Troubleshooting and Maintenance

Common issues associated with six point cap screws include loosening due to vibration, corrosion, and wear. To troubleshoot these issues, regularly inspect the screws for signs of damage or corrosion. If a screw appears loose, re-tighten it to the specified torque value. In cases of significant corrosion or damage, replace the screw to maintain the integrity of the assembly. Routine maintenance, such as applying a thread locker or anti-seize compound, can help prevent loosening and extend the life of the screw.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for innovation and quality in the heavy-duty truck industry. The company offers a comprehensive range of products designed to meet the demanding requirements of commercial vehicles, ensuring reliable performance and durability in various applications.

Six Point Cap Screw 3696102 in Cummins Engines

The Six Point Cap Screw 3696102, manufactured by Cummins, is a critical component in various Cummins engines. This part is integral to the assembly and maintenance of the engines, ensuring structural integrity and operational efficiency.

ISG11 CM2880 G108 and ISG12 CM2880 G107

In the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines, the Six Point Cap Screw 3696102 is utilized in several key areas. It is often found securing various engine components, ensuring that parts remain tightly fastened and aligned during operation. This screw’s design allows for precise torque application, which is essential for maintaining the engine’s performance and longevity.

ISG12 G CMOH6.0 G111

For the ISG12 G CMOH6.0 G111 engine, the Six Point Cap Screw 3696102 plays a similar role. It is employed in securing components that require high precision and stability. The screw’s six-point design provides a better grip and distributes the load more evenly, reducing the risk of stripping or loosening over time.

QSG12/X12 CM2350 G110

In the QSG12/X12 CM2350 G110 engine, the Six Point Cap Screw 3696102 is used to fasten parts that are subject to significant stress and vibration. Its robust construction ensures that these components remain securely in place, contributing to the engine’s overall reliability and efficiency.

X11 CM2670 X126B, X12 CM2350 X119B, and X12 CM2670 X121B

The engines X11 CM2670 X126B, X12 CM2350 X119B, and X12 CM2670 X121B also benefit from the use of the Six Point Cap Screw 3696102. This screw is integral in securing various engine parts, ensuring that they remain tightly fastened and aligned. Its design allows for precise torque application, which is crucial for maintaining the engine’s performance and longevity.

X13 CM2670 X122B

In the X13 CM2670 X122B engine, the Six Point Cap Screw 3696102 is used in several key areas. It is employed to secure components that require high precision and stability. The screw’s six-point design provides a better grip and distributes the load more evenly, reducing the risk of stripping or loosening over time.

Role of Part 3696102 Six Point Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3696102 Six Point Cap Screw is instrumental in ensuring the secure attachment and stability of various components.

Mounting Applications

The Six Point Cap Screw is extensively used in mounting applications where it fastens engine components to the engine block or other structural parts. Its hexagonal shape provides a firm grip, minimizing the risk of loosening under vibration, which is common in engine operations. This secure fastening is vital for maintaining the alignment and integrity of mounted parts, ensuring they function as intended without undue stress or movement.

Flywheel Attachment

In the context of the flywheel, the Six Point Cap Screw plays a significant role in attaching the flywheel to the crankshaft. This connection is essential for the transmission of rotational energy from the engine to the transmission system. The screw’s design allows for precise torque application, ensuring that the flywheel is securely fastened without over-tightening, which could lead to damage. The stability provided by the screw is fundamental for the smooth operation of the engine, as it helps in maintaining consistent engine speed and power delivery ².

Conclusion

The Cummins 3696102 Six Point Cap Screw is a critical component in heavy-duty truck and engine systems, providing secure and reliable fastening in demanding environments. Its robust design, high tensile strength, and resistance to loosening make it an essential part for maintaining the structural integrity and performance of truck assemblies and engine components.

References