3967248
Spring Washer
Cummins®

The Cummins 3967248 Spring Washer is a specialized component designed for use in commercial trucks. Its primary function is to enhance the reliability and performance of fastening systems within these vehicles. By providing additional support and stability, this part contributes to the overall durability and efficiency of truck operations.

Basic Concepts of Spring Washers

A spring washer, also known as a lock washer, is a type of washer designed with a helical shape that provides a spring-like action. This design allows it to exert continuous pressure on the components it is paired with, such as nuts and bolts. The primary role of a spring washer is to prevent loosening due to vibration and movement, which is particularly important in mechanical systems where secure fastening is crucial ¹.

Purpose of the Cummins 3967248 Spring Washer

The Cummins 3967248 Spring Washer plays a significant role in the fastening systems of trucks. It is designed to maintain consistent pressure on the fasteners, ensuring that they remain securely in place despite the vibrations and dynamic loads experienced during truck operation. This helps in preserving the integrity of the assembly and preventing potential failures that could arise from loose fasteners ².

Key Features

The Cummins 3967248 Spring Washer is crafted from high-quality materials, typically steel, which provides durability and resistance to wear. Its design includes a series of ridges or coils that create the spring-like action, ensuring that it can adapt to various fastening scenarios. Additionally, the washer is engineered to withstand the harsh conditions encountered in commercial truck environments, making it a reliable component for long-term use ³.

Benefits of Using Spring Washers

Incorporating spring washers into truck assemblies offers several advantages. These washers help in distributing loads more evenly across the fastening area, which reduces the risk of damage to the components. They also provide resistance to vibration, which is a common issue in trucks due to their heavy-duty operations. Furthermore, spring washers enhance the security of fastenings, ensuring that critical components remain firmly in place, thereby contributing to the overall safety and performance of the vehicle ⁴.

Installation Considerations

Proper installation of the Cummins 3967248 Spring Washer is vital to ensure its effectiveness. It should be placed under the nut or bolt head, directly against the surface being fastened. Care should be taken to avoid over-tightening, as this can lead to deformation of the washer and reduced effectiveness. Additionally, it is important to ensure that the washer is not installed in a manner that could cause it to bind or restrict movement, as this could lead to premature failure ⁵.

Troubleshooting Common Issues

Common issues with spring washers include loosening over time and potential failure due to wear or corrosion. To address these problems, regular inspections should be conducted to check for signs of wear or damage. If a spring washer appears to be deformed or shows signs of corrosion, it should be replaced promptly to maintain the integrity of the fastening system. Additionally, ensuring that fasteners are properly torqued can help prevent issues related to loosening ⁶.

Maintenance Tips

Regular maintenance of spring washers is important to ensure their longevity and reliable performance. This includes periodic inspections to check for any signs of wear, corrosion, or deformation. If any issues are detected, the affected washers should be replaced to prevent potential failures. Additionally, keeping the fastening areas clean and free of debris can help maintain the effectiveness of the spring washers ⁷.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a rich history dating back to 1919, Cummins has established itself as a trusted name in the commercial truck industry. The company is committed to innovation and quality, providing reliable components that enhance the performance and efficiency of commercial vehicles ⁸.

Cummins Engine Part 3967248: Spring Washer Application

The Spring Washer part number 3967248, manufactured by Cummins, is a critical component in various Cummins engine models. This part is integral to ensuring the proper functioning and longevity of the engines it is used in. Below is a detailed look at the engines that incorporate this spring washer.

4B3.9 and 6B5.9 Engines

The 4B3.9 and 6B5.9 engines both utilize the Spring Washer 3967248. This washer is typically found in applications where it needs to maintain tension and prevent loosening of fasteners, ensuring the integrity of the engine’s components.

6C8.3 and B5.9 CM2670 B166C Engines

Similarly, the 6C8.3 and B5.9 CM2670 B166C engines incorporate the Spring Washer 3967248. This part is essential in these engines for maintaining the alignment and stability of various components, contributing to the overall reliability of the engine.

C GAS PLUS CM556 and F4.5 CM2620 F139B Engines

The C GAS PLUS CM556 and F4.5 CM2620 F139B engines also feature the Spring Washer 3967248. In these engines, the washer is used to secure fasteners, preventing them from vibrating loose and ensuring that the engine operates smoothly and efficiently.

ISB/ISD4.5 CM2150 B119 and ISB3.9 CM2220 B107 Engines

The ISB/ISD4.5 CM2150 B119 and ISB3.9 CM2220 B107 engines both require the Spring Washer 3967248. This washer is crucial for maintaining the structural integrity of these engines, ensuring that all components remain securely fastened.

ISBE CM2150 and ISBE4 CM850 Engines

The ISBE CM2150 and ISBE4 CM850 engines also utilize the Spring Washer 3967248. This part is essential in these engines for maintaining the alignment and stability of various components, contributing to the overall reliability of the engine.

ISL9 CM2150 SN and L8.9 Engines

The ISL9 CM2150 SN and L8.9 engines incorporate the Spring Washer 3967248. This washer is used to secure fasteners, preventing them from vibrating loose and ensuring that the engine operates smoothly and efficiently.

QSB5.9 CM2880 B139 Engine

Lastly, the QSB5.9 CM2880 B139 engine also features the Spring Washer 3967248. This washer is crucial for maintaining the structural integrity of this engine, ensuring that all components remain securely fastened.

The Spring Washer 3967248 is a versatile and essential component in these Cummins engines, playing a key role in maintaining the stability and reliability of the engine’s various parts.

Role of Part 3967248 Spring Washer in Engine Systems

The 3967248 Spring Washer is an essential component in various engine systems, providing stability and efficiency in the operation of several key parts.

In the compressor system, the Spring Washer is utilized to maintain the proper tension between the compressor’s moving parts. This ensures that the compressor can efficiently compress the refrigerant without undue wear or slippage, contributing to the overall reliability of the cooling system.

When it comes to mounting components, the Spring Washer plays a significant role in securing parts such as the refrigerant compressor to the rail or base. By providing additional tension and absorbing vibrations, it helps in maintaining a firm and stable connection, which is vital for the longevity and performance of the compressor.

In the context of support structures within the engine, the Spring Washer is often employed to enhance the stability of various engine components. For instance, in the rear engine mount, it helps in distributing the load more evenly and reducing the stress on the mounting points. This not only improves the durability of the mount but also contributes to a smoother operation of the engine.

Overall, the 3967248 Spring Washer is a versatile component that enhances the functionality and durability of multiple engine systems by ensuring proper tension, stability, and vibration absorption.

Conclusion

The Cummins 3967248 Spring Washer is a critical component in the maintenance and operation of commercial trucks and various Cummins engines. Its design and functionality contribute to the stability, reliability, and efficiency of fastening systems, ensuring that components remain securely in place despite the dynamic conditions of truck operations. Proper installation, regular maintenance, and timely replacement of worn or damaged washers are essential practices to uphold the performance and safety of these vehicles.