3070186
Plain Washer
Cummins®

The Cummins 3070186 Plain Washer is a component designed for use in heavy-duty truck applications. Its purpose is to provide support and distribute loads within fastening systems, contributing to the overall integrity and performance of truck components. Understanding the role and significance of this washer is important for maintaining and optimizing the functionality of heavy-duty trucks.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They operate by providing a smooth surface between a fastener and the material being fastened, which helps to distribute loads evenly and prevent wear on both the fastener and the fastened material ¹. Plain washers also serve to increase the contact area, which can reduce the pressure exerted by the fastener and enhance the stability of the joint.

Purpose of the Cummins 3070186 Plain Washer

This Cummins part plays a specific role in the operation of a truck by supporting fastening systems. It is applied in scenarios where bolts or screws are used to secure components, ensuring that the load is distributed effectively across the surface. This contributes to the overall integrity of truck components by preventing undue stress on fasteners and the materials they secure.

Key Features

The 3070186 Plain Washer is characterized by several key features that make it suitable for heavy-duty applications. These include its material composition, which is typically designed to withstand significant stress and corrosion, its dimensions, which are tailored to fit specific fastening systems, and its design characteristics, which may include features like chamfered edges to facilitate easier installation and removal.

Benefits

This part offers several benefits that enhance the performance and longevity of fastening systems in heavy-duty trucks. These benefits include enhanced durability due to its robust material composition, improved load distribution across the fastening area, and a reduced risk of fastener loosening over time, which can lead to more secure and reliable joints.

Installation Considerations

Proper installation of this part is important to ensure optimal performance and longevity. Best practices include ensuring that the washer is the correct size for the fastener being used, that it is installed in the correct orientation, and that it is not over-tightened, which can lead to deformation or failure of the washer.

Troubleshooting and Maintenance

Common issues related to plain washers, such as wear and tear, can be addressed through regular inspection and maintenance. Signs of wear, such as deformation or corrosion, should be addressed promptly to prevent failure of the fastening system. Maintenance tips include keeping washers clean and free from debris, and replacing them if they show signs of damage or excessive wear.

Common Applications

The 3070186 Plain Washer finds applications in various systems within heavy-duty trucks, demonstrating its versatility and importance. It is commonly used in engine components, chassis assemblies, and other areas where secure and durable fastening is required. Its ability to enhance the performance and reliability of these systems underscores its value in heavy-duty truck applications.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the automotive industry, Cummins is committed to producing high-quality components for heavy-duty applications, ensuring reliability, performance, and durability in the products they offer.

Cummins Part 3070186 Plain Washer Compatibility

The Cummins part 3070186 Plain Washer is designed to fit a variety of engine models, ensuring compatibility and reliability across different engine types. This washer is a crucial component in maintaining the integrity of engine assemblies by providing a smooth and even surface for mounting and securing parts.

Compatibility with Specific Engines

• 6B5.9, K19, K38, K50: These engines, known for their robust performance and durability, utilize the 3070186 Plain Washer in various applications. The washer’s design ensures it can withstand the high pressures and temperatures typical of these engines, contributing to their longevity and efficiency.

• M11 CELECT PLUS, M11 MECHANICAL: Both the M11 CELECT PLUS and M11 MECHANICAL engines benefit from the use of the 3070186 Plain Washer. This part is integral in maintaining the precision and alignment required for these engines’ electronic and mechanical systems, ensuring optimal performance and reliability.

• N14 MECHANICAL: The N14 MECHANICAL engine, recognized for its power and efficiency, incorporates the 3070186 Plain Washer in several critical areas. Its use in this engine helps maintain the structural integrity and operational efficiency of the engine components.

• NH/NT 855: The NH/NT 855 engines, known for their versatility and strength, also utilize the 3070186 Plain Washer. This washer plays a vital role in ensuring the proper alignment and secure mounting of various engine parts, contributing to the overall performance and durability of these engines.

By ensuring compatibility with these diverse engine models, the Cummins part 3070186 Plain Washer demonstrates its versatility and importance in maintaining the functionality and reliability of the engines it supports.

Role of Part 3070186 Plain Washer in Engine Systems

The part 3070186 Plain Washer is an essential component in various engine systems, providing support, stability, and efficient operation across multiple assemblies. Here’s how it integrates with the provided components:

• Aftercooler and Aftercooler Core: The Plain Washer ensures proper spacing and alignment between the aftercooler and its core, maintaining efficient cooling of the compressed air before it enters the engine ².

• Cam Follower Housing and Camshaft and Gear: Within the cam follower housing, the Plain Washer supports the camshaft and gear, reducing friction and wear, and ensuring smooth operation of the valve timing mechanism.

• Check Valve: In check valve assemblies, the Plain Washer helps maintain the correct spacing between components, ensuring the valve operates efficiently by allowing fluid flow in one direction only.

• Connecting Rod and Piston: The Plain Washer is used in the connecting rod assembly to provide necessary spacing and reduce friction between the rod and piston, enhancing the durability and performance of the engine.

• Cylinder Head: Within the cylinder head, the Plain Washer supports various components, ensuring proper sealing and alignment of the valves and seats, which is vital for combustion efficiency.

• EBM: Device and Timing Control: In Electronically Controlled Brake Modules (EBM) and timing control systems, the Plain Washer ensures precise alignment and operation of sensors and actuators, contributing to accurate timing and performance.

• Fuel Connection and Injectors: The Plain Washer is utilized in fuel connections and injector assemblies to maintain the correct spacing and sealing, ensuring efficient fuel delivery and combustion.

• Hydro Mechanical Step and Oil Control Valve: In hydro mechanical step systems and oil control valves, the Plain Washer supports the movement and operation of components, ensuring smooth transitions and precise oil flow control.

• Kit, Dual STC K50, and Performance Parts: Within various kits and performance parts, the Plain Washer provides necessary support and spacing, enhancing the overall performance and reliability of the engine components.

• Oil Connection and Oil Control Top Level Assembly Valve: The Plain Washer ensures proper alignment and sealing in oil connections and top-level assembly valves, maintaining efficient oil circulation and pressure within the engine.

• Plumbing and Injector: In plumbing systems and injector assemblies, the Plain Washer supports components, ensuring efficient fluid flow and reducing the risk of leaks.

• Protective Cover and Step Oil Control Valve: The Plain Washer is used in protective covers and step oil control valves to provide necessary spacing and support, ensuring the durability and efficient operation of these components.

• Valve and Viscosity Sensor: In valve assemblies and viscosity sensors, the Plain Washer ensures proper alignment and operation, contributing to accurate measurements and efficient valve function.

Conclusion

The Cummins 3070186 Plain Washer is a critical component in heavy-duty truck applications, providing essential support and load distribution within fastening systems. Its robust design, compatibility with various engine models, and role in enhancing engine performance and reliability make it an indispensable part of heavy-duty truck maintenance and optimization.