3052626
Captive Washer Cap Screw
Cummins®

Introduction

The Captive Washer Cap Screw, part number 3052626, is a component utilized in heavy-duty trucks, manufactured by Cummins. This screw is integral to the functionality and durability of truck systems, ensuring secure fastening and reliable performance under demanding conditions.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw consists of a screw with an integrated washer that remains attached throughout the fastening process. This design eliminates the need for separate washers, streamlining installation and reducing the risk of washer loss. Within a mechanical system, it provides a consistent and secure fastening solution, essential for maintaining the integrity of various truck components ¹.

Purpose of the 3052626 Captive Washer Cap Screw

This Cummins part is designed to play a role in the fastening mechanisms of heavy-duty trucks. It is applied in various truck systems where secure and durable fastening is required. Its purpose includes holding components together under significant stress, ensuring the structural integrity and operational efficiency of the truck ².

Key Features

The 3052626 Captive Washer Cap Screw boasts several key features that enhance its performance. It is constructed from high-strength materials, ensuring durability and resistance to wear. The design incorporates a captive washer, which simplifies the installation process and maintains consistent pressure distribution. Additionally, the screw is engineered to withstand high torque applications, making it suitable for heavy-duty use ³.

Benefits

Utilizing the 3052626 Captive Washer Cap Screw offers several advantages. Its design contributes to improved reliability by ensuring a secure and consistent fastening solution. The integrated washer simplifies installation, reducing the time and effort required for maintenance or repairs. Furthermore, the screw’s durable construction enhances the longevity of truck components, contributing to overall vehicle durability.

Installation Process

Installing the 3052626 Captive Washer Cap Screw involves several steps to ensure proper fitting. Begin by identifying the correct location for the screw within the truck’s system. Use the appropriate tools to insert the screw, ensuring it is aligned correctly with the fastening point. Apply steady torque to secure the screw in place, taking care not to overtighten, which could damage the component or the screw itself. Verify the installation by checking for stability and proper alignment.

Troubleshooting Common Issues

Common issues with Captive Washer Cap Screws may include loosening over time or damage due to excessive torque. To address these problems, regularly inspect the screws for signs of wear or loosening. If a screw appears loose, tighten it to the manufacturer’s specified torque settings. In cases of damage, replace the screw with a new one to maintain the integrity of the fastening.

Maintenance Tips

To ensure the longevity and optimal performance of the 3052626 Captive Washer Cap Screw, regular maintenance is recommended. Inspect the screws at routine intervals for signs of wear, corrosion, or loosening. Clean the screws and surrounding areas to remove any debris that could affect performance. Applying a light coating of lubricant can help maintain smooth operation and prevent corrosion.

Cummins: A Brief Overview

Cummins is a well-established manufacturer in the automotive industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has built a reputation for excellence. Their dedication to advancing automotive technology ensures that their products, like the 3052626 Captive Washer Cap Screw, meet the demanding requirements of heavy-duty applications.

Captive Washer Cap Screw 3052626 in Cummins Engines

The Captive Washer Cap Screw 3052626 is a critical component in various Cummins engines, ensuring secure fastening and stability. This part is designed to maintain the integrity of engine assemblies by providing a reliable connection between components.

K-Series Engines

• K19
• K38
• K50

In the K-Series engines, the Captive Washer Cap Screw 3052626 is used in several applications where secure fastening is essential. It helps maintain the alignment and stability of engine parts, contributing to the overall performance and longevity of the engine.

L-Series Engines

• L10 CELECT
• L10 MECHANICAL

For the L10 CELECT and L10 MECHANICAL engines, the Captive Washer Cap Screw 3052626 plays a vital role in securing various engine components. Its design ensures that parts remain tightly fastened, reducing the risk of loosening under operational stresses.

M-Series Engines

• M11 CELECT PLUS
• M11 MECHANICAL

In both the M11 CELECT PLUS and M11 MECHANICAL engines, this screw is used in critical areas to maintain the structural integrity of the engine. Its captive washer feature provides an added layer of security, preventing accidental loss during maintenance or operation.

N-Series Engines

• N14 CELECT
• N14 MECHANICAL

The N14 CELECT and N14 MECHANICAL engines also benefit from the use of the Captive Washer Cap Screw 3052626. This screw is employed in various applications where high reliability and durability are required, ensuring that engine components remain securely fastened.

NH/NT Series Engines

• NH/NT 855

In the NH/NT 855 engine, the Captive Washer Cap Screw 3052626 is utilized in key areas to maintain the alignment and stability of engine components. Its design ensures that parts remain securely fastened, contributing to the overall performance and longevity of the engine.

V-Series Engines

• V903

For the V903 engine, the Captive Washer Cap Screw 3052626 is essential in securing various engine components. Its design ensures that parts remain tightly fastened, reducing the risk of loosening and ensuring the engine operates efficiently.

Role of Part 3052626 Captive Washer Cap Screw in Engine Systems

The Part 3052626 Captive Washer Cap Screw is integral to the assembly and functionality of various engine systems. It ensures secure fastening and alignment of components, contributing to the overall stability and performance of the engine.

Brake Engine Group

In the Brake Engine Group, the Captive Washer Cap Screw is used to fasten components such as the brake switch kit and the C Brake (Top Level) Kit. It ensures that the brake components are securely attached, maintaining the integrity of the braking system.

Cummins Engine Brake Kit

Within the Cummins Engine Brake Kit, this screw plays a role in securing the engine brake and engine brake control components. Its use ensures that the engine brake operates efficiently and reliably under various driving conditions.

Electronic Engine Control System

For the Electronic Engine Control System, the Captive Washer Cap Screw is employed to fasten the engine control unit and related hardware. This secure attachment is vital for the precise operation of the engine control functions.

Engine and Cable Brake

In the Engine and Cable Brake system, the screw is used to secure the cable connections and brackets. This ensures that the cable brake system functions smoothly and without unexpected disconnections.

Engine Cooling System

The Engine Cooling System benefits from the use of this screw in securing the fuel pump and fuel pump base. Proper fastening is essential to maintain the structural integrity of the cooling system components.

Fuel Injection System

Within the Fuel Injection System, the Captive Washer Cap Screw is utilized to fasten the fuel injection pump and fuel top-level assembly pump. This secure attachment is crucial for the accurate delivery of fuel to the engine.

Hardware and Spare Parts

In hardware kits and spare parts kits, this screw is a common component used to ensure that replacement parts are securely installed. It is also found in on-board spares, providing a reliable fastening solution for quick repairs.

Switch and Lever Assemblies

For switch brackets and switch lever and bracket kits, the Captive Washer Cap Screw ensures that these components are firmly attached. This is important for the consistent operation of switches and levers within the engine system.

Conclusion

Overall, the Part 3052626 Captive Washer Cap Screw is a versatile fastener that enhances the reliability and performance of various engine systems by ensuring secure and stable component connections.