3017050
Captive Washer Cap Screw
Cummins®

The Cummins 3017050 Captive Washer Cap Screw is a specialized fastener designed for use in commercial trucks. Its primary function is to provide secure fastening in various truck components, ensuring stability and reliability under operational conditions. This screw is particularly valued in the trucking industry for its role in maintaining the integrity of truck assemblies, contributing to overall vehicle performance and safety ¹.

Basic Concepts

A Captive Washer Cap Screw is a type of fastener that incorporates a washer within its design. This integration ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the fastening process. In mechanical assemblies, these screws are used to join components securely, distributing load evenly and preventing loosening over time. The captive washer design enhances the screw’s ability to maintain a tight and consistent hold, which is essential in dynamic environments like those found in commercial trucks ².

Purpose and Role in Truck Operation

The 3017050 Captive Washer Cap Screw plays a significant role in the operation and maintenance of commercial trucks. It is designed to secure various truck components, ensuring they remain firmly in place despite the vibrations and stresses encountered during operation. This screw helps in preventing loosening of fasteners, which can lead to component failure or increased wear. Its application is particularly important in areas where secure fastening is critical for safety and performance, such as in the engine compartment, chassis, and other structural components ³.

Key Features

The Cummins 3017050 Captive Washer Cap Screw is characterized by several key features that enhance its performance and durability. Its design includes an integrated washer, which ensures consistent load distribution and reduces the risk of fastener loosening. The screw is made from high-quality materials, typically steel alloys, which provide excellent strength and corrosion resistance. Additionally, the screw features a hexagonal head for easy installation and removal using standard tools, and its threading is designed to offer optimal grip and stability ⁴.

Benefits

Using the Cummins 3017050 Captive Washer Cap Screw offers several benefits in truck operations. Its design contributes to improved reliability by ensuring secure fastening, which reduces the likelihood of component failure due to loose fasteners. The integrated washer simplifies the installation process, reducing maintenance time and labor costs. Furthermore, the screw’s durable construction and corrosion resistance enhance the safety and longevity of truck components, contributing to overall vehicle reliability and performance ⁵.

Installation Guidelines

Proper installation of the Cummins 3017050 Captive Washer Cap Screw is crucial for ensuring optimal performance and longevity. Begin by selecting the appropriate screw size for the application. Use a torque wrench to install the screw, applying the manufacturer’s recommended torque specifications to avoid over-tightening, which can damage threads, or under-tightening, which can lead to loosening. Ensure that the screw is installed in a clean, dry environment to prevent corrosion. Regularly inspect installed screws for signs of wear or loosening, and replace them as necessary to maintain secure fastening ⁶.

Troubleshooting and Maintenance

Common issues with the Cummins 3017050 Captive Washer Cap Screw may include loosening due to vibrations, corrosion, or damage from improper installation. To address these issues, regularly inspect screws for signs of wear, corrosion, or loosening. If corrosion is present, clean the affected area and apply a corrosion-resistant coating. Replace any screws that show signs of damage or excessive wear. Adhering to proper installation practices and torque specifications can help prevent many common issues, ensuring the longevity and reliability of the fastener ⁷.

Manufacturer Information - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to producing high-quality components. With a rich history of innovation and excellence, Cummins has established a strong reputation for reliability and performance. The company’s dedication to quality is evident in its wide range of products, including the 3017050 Captive Washer Cap Screw, which is designed to meet the demanding requirements of commercial truck applications. Cummins’ focus on durability, performance, and customer satisfaction underscores its position as a leader in the industry ⁸.

Role of Part 3017050 Captive Washer Cap Screw in Engine Systems

The 3017050 Captive Washer Cap Screw is integral to the assembly and securement of various components within engine systems. Its application ensures that parts remain firmly in place, contributing to the overall stability and functionality of the engine.

In the context of base parts, the 3017050 screw is often used to attach and secure foundational elements, ensuring they are correctly positioned and do not shift during operation.

For the EBM (Engine Block Mount), this screw plays a role in fastening the engine block to its mounting points, providing a stable connection that can withstand the vibrations and stresses of engine operation.

In the oil system, the screw is utilized in several critical areas. It secures the oil pan to the engine frame, ensuring a tight seal that prevents oil leaks. Similarly, it is employed in the oil mounting pan and oil pan mounting to maintain the integrity of the oil containment system.

The oil pan and dipstick assembly also benefits from the use of this screw, as it ensures the dipstick is properly aligned and the oil pan is securely attached, allowing for accurate oil level readings and preventing potential oil spills.

Additionally, the screw is used in the pan oil system to attach components such as the top level number oil pan, ensuring that all parts are correctly installed and function as intended.

Overall, the 3017050 Captive Washer Cap Screw is a versatile fastener that enhances the reliability and performance of engine systems by securely holding components in place ⁹.

Conclusion

The Cummins 3017050 Captive Washer Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design, featuring an integrated washer and high-quality materials, ensures secure fastening, reduces maintenance time, and enhances the durability and performance of truck and engine components. Proper installation and regular maintenance are essential to maximize the benefits of this screw, contributing to the overall reliability and safety of commercial vehicles.