3426030
Plain Washer
Cummins®

The 3426030 Plain Washer, a component manufactured by Cummins, is integral to the automotive and heavy-duty truck industry. This washer is pivotal in various commercial truck applications, enhancing the efficient operation and longevity of truck systems.

Basic Concepts of Plain Washers

Plain washers are fundamental components in mechanical systems, serving as flat, annular devices typically made from metal, plastic, or rubber. Their primary role is to distribute the load of threaded fasteners, such as bolts or screws, over a larger area, preventing surface damage and providing secure fastening. Additionally, plain washers reduce friction between moving parts and act as spacers to maintain proper alignment and clearance ¹.

Purpose of the 3426030 Plain Washer

The 3426030 Plain Washer is engineered for specific roles within commercial trucks. It is utilized in areas requiring load distribution and friction reduction, maintaining the integrity of fastenings under demanding conditions typical of heavy-duty truck applications. This ensures components remain securely fastened, contributing to vehicle reliability and safety ².

Key Features

This Cummins part is characterized by features suitable for heavy-duty applications. It is crafted from high-quality materials for durability and resistance to wear. The dimensions are tailored for specific commercial truck applications, ensuring a proper fit and function. Its design accounts for environmental and operational stresses, providing reliable performance under various conditions ³.

Benefits

Utilizing the 3426030 Plain Washer enhances load distribution across fastening points, improving the durability of both the washer and supported components. This can lead to cost savings for fleet operators by reducing replacement and maintenance frequencies. The washer’s design ensures secure and stable fastenings, contributing to the efficient operation of truck systems.

Installation Considerations

Proper installation of the 3426030 Plain Washer is crucial for its effective function. It should be placed under the head of a bolt or screw, or within the nut, depending on the application. Ensuring correct alignment and avoiding twisting is essential to prevent uneven load distribution. Pre-installation checks for damage or deformation are advisable to ensure optimal performance.

Troubleshooting and Maintenance

Common issues with plain washers include wear, deformation, or failure due to excessive load or environmental factors. Regular inspections for wear or damage are recommended to ensure the longevity of the washer and supported components. Prompt replacement in case of failure is advisable to maintain fastening integrity and prevent damage to other parts.

Compatibility and Applications

The 3426030 Plain Washer is used in various commercial truck system applications. Its compatibility with different components and systems is crucial for optimal performance and reliability. Understanding specific applications and compatibility requirements aids in selecting the appropriate washer for a given task.

Cummins: Manufacturer Overview

Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry, is known for its commitment to quality and innovation. Cummins products, including the 3426030 Plain Washer, are designed with a focus on durability, performance, and reliability, meeting the demanding requirements of heavy-duty applications.

Cummins Engine Part 3426030: Plain Washer Application

The Cummins part 3426030, a Plain Washer, is crucial in the assembly of various Cummins engines. It provides a smooth and even surface, ensuring proper sealing and alignment in engine assemblies.

QSK50 CM2350 K108 and QSK60 G CM2358 K110

In these engines, the Plain Washer 3426030 is used to maintain a flat surface between components, ensuring bolts and screws grip properly without causing damage. This is vital in high-stress environments where vibrations and thermal expansion can lead to loosening or misalignment.

QSK60G

In the QSK60G engine, the Plain Washer 3426030 ensures components are held securely in place. Its role in maintaining a flat surface is crucial for the engine’s assembly integrity, especially in areas requiring precise alignment to prevent leaks and ensure optimal performance.

QSV91-G4 CM558/CM700 V102

The QSV91-G4 CM558/CM700 V102 engine incorporates the Plain Washer 3426030, often used with other sealing and fastening components to ensure secure assembly. Its application is particularly important in areas where the engine’s high power output and complex design demand precise and reliable assembly.

QSW27 and QSW36

For the QSW27 and QSW36 engines, the Plain Washer 3426030 is vital for maintaining proper alignment and sealing. It ensures all components fit together seamlessly, contributing to the overall reliability and performance of the engine.

Role of Part 3426030 Plain Washer in Engine Systems

The 3426030 Plain Washer is fundamental in various engine systems, ensuring smooth operation and efficiency of several key assemblies.

• Air Fuel Mixer: Ensures precise alignment and sealing for optimal combustion and engine performance.
• Arrangement of Engine Components: Acts as a spacer or shim for fine-tuning clearances and tolerances in high-precision engine designs.
• Turbocharger System: Maintains proper spacing and reduces friction in bearing assemblies, enhancing turbocharger efficiency and engine power.
• Exhaust Assembly: Ensures secure and leak-free connections in the exhaust manifold and assembly manifold, maintaining exhaust system integrity.
• Module Components: Provides electrical insulation and mechanical stability in electronic control units (ECUs) or sensor modules, ensuring reliability and accuracy.
• Fuel Control System: Maintains the integrity of fuel lines and connections, preventing fuel leaks and ensuring efficient fuel delivery.

Overall, the 3426030 Plain Washer is a versatile component that contributes to the reliability, efficiency, and performance of various engine systems.

Conclusion

The 3426030 Plain Washer by Cummins is a critical component in the automotive and heavy-duty truck industry. Its role in load distribution, friction reduction, and secure fastening is essential for the efficient operation and longevity of commercial truck systems. Proper installation, regular maintenance, and understanding its applications are key to leveraging its benefits fully.