3906100
Spring Washer
Cummins®

Introduction

The Cummins 3906100 Spring Washer is a specialized component designed for use in commercial trucks. It plays a role in the fastening systems of these vehicles, ensuring secure and reliable connections. This spring washer is engineered to enhance the performance and longevity of truck components by providing consistent pressure and preventing loosening of fasteners under dynamic conditions.

Basic Concepts of Spring Washers

Spring washers, also known as lock washers, are mechanical devices used to prevent fastening elements, such as bolts and nuts, from loosening due to vibration or fluctuating loads. They function by applying a constant tension to the fastener, which helps maintain a tight connection. Spring washers are commonly used in various mechanical systems where secure fastening is crucial ¹.

Purpose of the 3906100 Spring Washer

The Cummins 3906100 Spring Washer provides additional security to bolted connections in trucks. It is designed to counteract the effects of vibration and dynamic loads that are common in commercial truck operations. By maintaining consistent pressure on the fastener, the spring washer helps ensure that connections remain tight and secure, reducing the risk of component failure or loosening over time.

Key Features

The Cummins 3906100 Spring Washer is characterized by several primary features that enhance its performance. It is typically made from high-strength materials, such as spring steel, which provide the necessary resilience and durability. The design of the washer includes a split or helical shape that allows it to exert continuous pressure on the fastener. Additionally, the washer may feature a unique contour or serrated edges to further improve its locking capabilities.

Benefits

Using the Cummins 3906100 Spring Washer offers several advantages. It improves load distribution across the fastening area, which enhances the overall stability of the connection. The washer’s design resists loosening, which is particularly beneficial in the demanding environments of commercial trucks. Furthermore, the durable construction of the spring washer ensures long-lasting performance, reducing the need for frequent replacements.

Installation Considerations

Proper installation of the Cummins 3906100 Spring Washer is vital to ensure optimal performance and longevity. It should be placed under the head of the bolt or nut, ensuring that it is correctly oriented to exert the intended pressure. Care should be taken to avoid over-tightening, as this can lead to deformation of the washer and reduced effectiveness. Following the manufacturer’s torque specifications for the fastener is recommended to achieve the best results.

Troubleshooting and Maintenance

Common issues associated with spring washers include deformation, corrosion, and loss of tension. Regular inspection of the washers can help identify problems early. Signs of wear or damage should be addressed promptly by replacing the washer to maintain the integrity of the fastening system. Proper maintenance, such as cleaning and lubrication of fasteners, can also prolong the life of the spring washer.

Application in Commercial Trucks

The Cummins 3906100 Spring Washer is typically used in various components within commercial trucks where secure fastening is required. This includes applications in the engine, transmission, and chassis systems. Its role in maintaining tight connections under dynamic conditions makes it a valuable component in ensuring the reliability and safety of commercial truck operations.

Manufacturer Information - Cummins

Cummins is a well-established manufacturer with a strong reputation in the industry for producing high-quality components for commercial trucks. The company has a long history of innovation and excellence, offering a comprehensive range of products designed to meet the demanding requirements of truck operators. Cummins’ commitment to quality and performance is evident in their extensive product line, which includes a variety of washers, fasteners, and other critical components for commercial vehicles.

Spring Washer 3906100 Compatibility with Cummins Engines

The Spring Washer part number 3906100, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This part is integral in ensuring proper assembly and functionality across different engine models. Below is a detailed overview of its compatibility with various Cummins engines:

6C8.3 Series

• 6C8.3
• C8.3 G
• G8.3
• G8.3 CM558
• GTA8.3 CM558

The Spring Washer 3906100 is compatible with the 6C8.3 series engines, which include the 6C8.3, C8.3 G, G8.3, G8.3 CM558, and GTA8.3 CM558 models. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

C GAS PLUS Series

• C GAS PLUS CM556
• L GAS PLUS CM556

The Spring Washer 3906100 is also suitable for the C GAS PLUS CM556 and L GAS PLUS CM556 engines. These engines are part of the C GAS PLUS series, designed for gas applications, providing efficient and clean power.

L Series

• L8.9G CMOH2.0 L125B
• L9.3 L105

The L series engines, including the L8.9G CMOH2.0 L125B and L9.3 L105, are compatible with the Spring Washer 3906100. These engines are recognized for their versatility and are often used in a range of applications, from construction to agricultural machinery.

QSL9 Series

• QSL9 G CM558

The Spring Washer 3906100 fits the QSL9 G CM558 engine, which is part of the QSL9 series. This engine is designed for high-performance applications, offering durability and efficiency.

The Spring Washer 3906100 is a critical component in ensuring the proper assembly and operation of these engines. Its design allows for secure fastening and helps maintain the integrity of the engine’s components during operation.

Role of Part 3906100 Spring Washer in Engine Systems

In engine systems, the part 3906100 Spring Washer is instrumental in ensuring the proper functioning of various components. When integrated with the Lever and Rocker, the Spring Washer aids in maintaining consistent pressure and reducing friction. This is particularly important in the Rocker Lever mechanism, where the Spring Washer helps to absorb shocks and vibrations that occur during engine operation.

By doing so, it ensures that the contact between the Lever and Rocker remains stable, which is essential for the precise transfer of motion and force. The Spring Washer’s ability to provide a resilient interface between these moving parts contributes to the overall efficiency and longevity of the engine system ².

Conclusion

The Cummins 3906100 Spring Washer is a vital component in the fastening systems of commercial trucks. Its design and features ensure secure and reliable connections, enhancing the performance and longevity of truck components. Proper installation, maintenance, and understanding of its compatibility with various Cummins engines are essential for optimal performance.