4096714
Captive Washer Cap Screw
Cummins®

The Cummins 4096714 Captive Washer Cap Screw is a specialized fastener designed for commercial trucks. Cummins, a prominent name in the automotive and heavy-duty truck industry, manufactures this component to meet the rigorous demands of truck operations. This screw is essential for various fastening applications within commercial trucks, ensuring secure and reliable connections in critical systems.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw is a fastener that includes an integrated washer held in place by a protrusion or step on the screw’s shank. This design ensures the washer remains attached during installation, reducing the risk of loss and simplifying the fastening process. The screw typically consists of a head, a threaded shank, and the captive washer. Its function is to provide a secure fastening solution that distributes pressure evenly across the fastened materials, minimizing the risk of damage or loosening over time ¹.

Purpose and Role in Truck Operation

The 4096714 Captive Washer Cap Screw is vital for the operation and maintenance of commercial trucks. It is used in various truck systems where secure and durable fastening is required, including engine components, chassis parts, and other critical assemblies. By providing a reliable fastening solution, this screw helps maintain the integrity and performance of these systems, contributing to the overall efficiency and safety of the truck ².

Key Features

The 4096714 Captive Washer Cap Screw is designed with several key features that enhance its performance. It is constructed from high-strength materials, ensuring durability in demanding truck environments. The screw’s design includes a precisely machined captive washer that provides consistent pressure distribution. Additionally, the screw features a corrosion-resistant coating, which protects it from the harsh conditions often encountered in commercial truck operations ³.

Benefits

Using the 4096714 Captive Washer Cap Screw offers several benefits. Its design simplifies the installation process by eliminating the need for separate washers, reducing the risk of washer loss and ensuring consistent fastening quality. The screw’s high-strength material and corrosion-resistant coating enhance its reliability and durability, making it suitable for long-term use in demanding applications. Furthermore, the integrated washer provides improved pressure distribution, which helps prevent damage to fastened materials and reduces the likelihood of screw loosening over time ⁴.

Installation Process

Proper installation of the 4096714 Captive Washer Cap Screw involves several steps to ensure secure fastening. Begin by selecting the appropriate screw size and ensuring the mating surfaces are clean and free of debris. Use a torque wrench to install the screw, applying the recommended torque specification to avoid over-tightening, which can damage the screw or fastened materials. It is also important to follow any specific installation guidelines provided by Cummins to ensure optimal performance and longevity of the screw.

Troubleshooting and Maintenance

Common issues with Captive Washer Cap Screws may include corrosion, loosening, or damage to the screw or washer. Regular inspection of fastened areas can help identify these problems early. If corrosion is detected, cleaning the affected area and reapplying a corrosion-resistant coating can help prolong the screw’s lifespan. Loose screws should be re-tightened to the specified torque, and damaged screws should be replaced to maintain secure fastening. Routine maintenance practices, such as periodic inspections and re-torquing, can help ensure the continued reliability of the 4096714 Captive Washer Cap Screw.

Cummins: Manufacturer 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 strong reputation within the commercial truck industry for producing high-quality, reliable components. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial truck applications. Cummins’ commitment to innovation and customer satisfaction has made it a trusted name in the industry.

Cummins Part 4096714 Captive Washer Cap Screw in Engine Applications

The Cummins part 4096714, a Captive Washer Cap Screw, is integral to the assembly and maintenance of several engine models. This part is designed to secure components within the engine, ensuring stability and reliability during operation.

QST30 and CM2350 Engines

In the QST30 and CM2350 engines, the Captive Washer Cap Screw is used in various applications where it is essential to maintain a tight and secure connection. This screw is particularly useful in areas where vibration and movement are common, as the captive washer helps to prevent loosening over time. The precision engineering of this part ensures that it fits seamlessly into the engine’s design, providing a reliable fastening solution.

T101 Engine

The T101 engine also benefits from the use of the Cummins part 4096714. In this engine, the Captive Washer Cap Screw is employed in critical areas where component integrity is paramount. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes. The captive washer feature ensures that the screw remains securely in place, even under the demanding conditions of engine operation.

Grouping of Engines

The QST30 and CM2350 engines share similar design philosophies and operational requirements, making them suitable for the use of the same Captive Washer Cap Screw. Their grouping is based on the commonality in their use of this part, which highlights the versatility and effectiveness of the part 4096714 in these engine models. The T101 engine, while distinct, also relies on the same principles of secure fastening and durability provided by this screw.

Role of Part 4096714 Captive Washer Cap Screw in Engine Systems

Part 4096714, the Captive Washer Cap Screw, is integral to the secure assembly and operation of various engine components. Its application spans across multiple systems, ensuring the integrity and efficiency of the engine.

Air Systems

In the Air Heater Starting Aid system, the Captive Washer Cap Screw is employed to fasten components that facilitate the preheating of air entering the engine. This is vital for efficient combustion, especially in colder climates. Similarly, in the Air Compressor systems, whether for air or refrigerant, these screws ensure the secure attachment of components, maintaining the compressor’s structural integrity and operational efficiency.

Drive Systems

For the Drive Barring and Engine Barring systems, the Captive Washer Cap Screw plays a role in securing components that allow for the rotation of the engine without fuel, essential for maintenance procedures. This ensures that all parts are tightly held in place, preventing any movement that could lead to damage.

Electrical Systems

In the Harness for Electronic Control Module Wiring, these screws are used to secure the wiring harness in place. This is important for maintaining the electrical connections that are critical for the engine’s electronic control systems to function correctly.

Cooling and Lubrication Systems

The Intercooler and various Manifold systems, including those for air intake and lubricating oil access, utilize these screws to ensure that all components are securely fastened. This is essential for maintaining the flow of air and oil, which are critical for engine cooling and lubrication.

Mounting and Structural Components

For components like the Alternator Mounting and Engine Control Module Mounting, the Captive Washer Cap Screw ensures that these critical components are securely attached to the engine. This is important for the structural integrity of the engine and the reliable operation of these components.

Oil and Cooling Systems

In the Oil Pan and various Plumbing systems, including those for auxiliary cooling, compressor coolant, and turbocharger, these screws are used to secure fittings and connections. This ensures that there are no leaks in the oil and cooling systems, which are vital for engine health and performance.

Turbocharger Systems

Finally, in Turbocharger and Turbocharger Kit assemblies, the Captive Washer Cap Screw is used to secure components that are subject to high stress and temperature. This ensures that the turbocharger operates efficiently and reliably, contributing to the engine’s overall performance.

Conclusion

The Cummins 4096714 Captive Washer Cap Screw is a critical component in the assembly and maintenance of commercial truck engines. Its design, featuring a captive washer and high-strength materials, ensures secure and reliable fastening across various engine systems. Proper installation and maintenance of this screw are essential for the continued efficiency and safety of truck operations.