3014766
Captive Washer Cap Screw
Cummins®

Introduction

The Captive Washer Cap Screw 3014766, manufactured by Cummins, is a specialized fastener designed for use in commercial truck maintenance and operation. Cummins is known for its commitment to quality and innovation. This screw plays a significant role in ensuring the structural integrity and efficient operation of commercial trucks.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw is a type of fastener that includes an integrated washer, which is held in place by a protrusion on the screw’s shank. This design ensures that the washer remains aligned with the screw during installation, reducing the risk of washer loss and misalignment. These screws are commonly used in mechanical assemblies where consistent and reliable fastening is required ¹.

Purpose of the 3014766 Captive Washer Cap Screw

The 3014766 Captive Washer Cap Screw is specifically designed to secure various components within commercial trucks. It maintains the structural integrity of assemblies by providing a secure and stable connection. This screw is often used in applications where vibration and dynamic loads are present, ensuring that components remain firmly in place ².

Key Features

The 3014766 Captive Washer Cap Screw boasts several key features that enhance its performance and durability. Its design includes an integrated washer, which simplifies the installation process and ensures consistent pressure distribution. The screw is made from high-quality materials, offering resistance to corrosion and wear. Additionally, its unique attributes, such as a hex socket head, allow for easy installation using common tools.

Benefits

Using the 3014766 Captive Washer Cap Screw offers several advantages. The integrated washer design improves reliability by preventing washer loss and ensuring proper alignment. The ease of installation reduces labor time and minimizes the risk of improper fastening. Over time, these benefits contribute to long-term cost savings for fleet operators by reducing maintenance needs and enhancing the durability of truck assemblies ³.

Installation Process

Proper installation of the 3014766 Captive Washer Cap Screw involves several steps. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to install the screw to the manufacturer’s specified torque settings, avoiding over-tightening which can lead to stripping or damage. It is also important to verify that the integrated washer is properly seated and aligned during installation.

Troubleshooting and Maintenance

Common issues with the 3014766 Captive Washer Cap Screw may include signs of wear, corrosion, or improper installation. Regular inspection for these issues can help identify problems early. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can help mitigate further damage. Ensuring proper torque settings during installation is crucial to prevent loosening over time.

Compatibility and Applications

The 3014766 Captive Washer Cap Screw is designed for use in various commercial truck assemblies. It is compatible with specific models and systems within the Cummins product line, ensuring optimal performance and reliability. Its applications range from securing engine components to fastening chassis parts, making it a versatile fastener in the commercial truck industry.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer in the automotive industry, with a strong reputation for quality and innovation. The company has a long history of producing reliable and high-performance components for commercial trucks. Cummins’ commitment to excellence is evident in their rigorous manufacturing processes and continuous investment in research and development, ensuring that their products meet the demanding needs of the industry.

Cummins Engine Part 3014766: Captive Washer Cap Screw

The Captive Washer Cap Screw, part number 3014766, is a critical component in various Cummins engines, ensuring secure fastening and stability. This part is designed to fit seamlessly into the engine’s architecture, providing a reliable connection between different parts.

N14 Series Engines

The N14 series engines, including the N14 CELECT, N14 CELECT PLUS, and N14 MECHANICAL, utilize the 3014766 part to secure various components. This screw is particularly important in maintaining the integrity of the engine’s internal structure, ensuring that parts remain firmly in place under operational stress.

QSK Series Engines

The QSK series engines, such as the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, QSK19 CM500, QSK19 CM850 MCRS, QSK19G, QSK38 CM2150 MCRS, QSK38 CM850 MCRS, QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108, also incorporate the 3014766 part. This screw is essential in these engines for securing components that are subject to high rotational forces and thermal stresses, ensuring the longevity and reliability of the engine.

KTA Series Engines

The KTA series engines, including the KTA19GC, KTA19GC CM558, and KTA38GC CM558, use the 3014766 part to maintain the structural integrity of the engine. This screw is crucial in these engines for fastening components that are exposed to significant mechanical and thermal loads.

Other Cummins Engines

The 3014766 part is also used in other Cummins engines such as the 6B5.9, GTA38 G CMEICS G116C, ISX CM570, K19, K38, K50, NH/NT 855, V28, and QSK19. This part ensures that these engines maintain their structural integrity and operational efficiency by providing a secure fastening solution for various components.

Each of these engines relies on the 3014766 Captive Washer Cap Screw to ensure that components are securely fastened, reducing the risk of mechanical failure and enhancing the overall performance and reliability of the engine.

Role of Part 3014766 Captive Washer Cap Screw in Engine Systems

The 3014766 Captive Washer Cap Screw is integral to the assembly and maintenance of various engine components, ensuring secure and reliable connections throughout the engine system.

In the aftercooler housing cover and aftercooler water plumbing, this screw plays a significant role in maintaining the integrity of the connections, preventing leaks and ensuring efficient cooling of the compressed air.

For the block and cylinder K-6 (Ser.), the screw is used to secure critical components, providing stability and preventing movement that could lead to wear or failure.

In the cam cover mounting and camshaft and gear assembly, it ensures that the cam cover is properly attached, safeguarding the camshaft and its associated components from external contaminants.

The corrosion resistor and dipstick fill & breather systems benefit from the secure fastening provided by this screw, which helps in maintaining the structural integrity and functionality of these components.

For the gear cooler and gear mounting cover, the screw ensures that the gear components are held firmly in place, which is essential for the smooth operation of the gear system.

In the gear oil cooler and heat exchanger, it secures the connections, ensuring that the cooling process is efficient and reliable.

The hydro mechanical step and kit assemblies utilize this screw to maintain the structural integrity of the step and ensure that all components within the kit are securely fastened.

For the PDC and non-AFC vs FP/WW sump, the screw is critical in securing the components, ensuring that the sump remains sealed and functions correctly.

In the oil bayonet and fill system, it ensures that the oil fill cap is securely attached, preventing oil leaks and maintaining the proper oil level within the engine.

The plumbing aftercooler and service coupling 2009 assembly rely on this screw to maintain the integrity of the plumbing connections, ensuring that the aftercooler system operates efficiently.

For the short block Assy -K50 and stratoflex gear hose, the screw provides the necessary fastening to ensure that all components are securely in place, preventing any potential issues during engine operation.

In the thermostat housing and torque converter oil cooler, it ensures that these components are securely mounted, which is vital for the proper functioning of the cooling and torque conversion systems.

The tube, MTG. & water trans and turbocharger arrangement also benefit from the secure fastening provided by this screw, ensuring that all connections are reliable and efficient.

Lastly, in the valve cover assembly, the screw ensures that the valve cover is properly sealed, preventing oil leaks and maintaining the integrity of the valve system.

Conclusion

The 3014766 Captive Washer Cap Screw by Cummins is a vital component in the maintenance and operation of commercial trucks and engines. Its design, featuring an integrated washer and high-quality materials, ensures reliable and secure fastening in various applications. The benefits of using this screw include improved reliability, ease of installation, and long-term cost savings. Proper installation and maintenance are crucial to maximizing the performance and durability of this essential fastener.