3862673
Plain Washer
Cummins®

Introduction

The Cummins 3862673 Plain Washer is a component designed for use in heavy-duty truck applications. It serves a specific function within the mechanical assemblies of these vehicles, contributing to the overall efficiency and reliability of truck operations.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically thin, flat rings that are placed under fasteners such as bolts and nuts. Their primary role is to distribute the load of the fastener over a larger area, preventing damage to the surfaces being joined. Additionally, plain washers can provide a degree of cushioning and help to maintain the integrity of the fastening system by reducing the likelihood of loosening due to vibration ⁴.

Purpose of the Cummins 3862673 Plain Washer

The Cummins 3862673 Plain Washer is specifically engineered to play a role in the fastening systems of heavy-duty trucks. It is designed to be used in assemblies where secure and durable fastening is required. By distributing the load of the fastener, it helps to prevent damage to the joined surfaces and contributes to the overall stability and longevity of the assembly ¹.

Key Features

The Cummins 3862673 Plain Washer is characterized by several key features. It is typically made from a durable material that can withstand the rigors of heavy-duty truck use. The dimensions of the washer are precisely engineered to fit within specific assemblies, ensuring optimal performance. Additionally, the design of the washer may include features that enhance its functionality within the intended application ².

Benefits of Using Plain Washers

Incorporating plain washers into truck assemblies offers several advantages. They help to distribute the load of fasteners, which can prevent damage to the surfaces being joined. Plain washers also contribute to the security of fastening systems by reducing the risk of loosening due to vibration. Furthermore, they can provide a degree of cushioning, which can be beneficial in applications where components are subject to movement or stress ³.

Installation Considerations

Proper installation of the Cummins 3862673 Plain Washer is important to ensure its effectiveness. It should be placed correctly under the fastener, with attention paid to the orientation and positioning. Best practices include ensuring that the washer is not damaged during installation and that it is the correct size for the fastener being used. Common pitfalls to avoid include over-tightening the fastener, which can lead to washer deformation, and using a washer that is not suitable for the specific application ⁴.

Troubleshooting and Maintenance

Identifying issues related to plain washers can involve checking for signs of wear or damage, such as cracks or deformation. Regular maintenance can help to ensure the longevity and optimal performance of the washer. This may include inspecting the washer during routine service intervals and replacing it if any signs of wear are detected. It is also important to ensure that the washer is compatible with the fastener and the application to prevent premature failure ¹.

Common Applications

The Cummins 3862673 Plain Washer is typically used in various systems and components within a truck. Common applications include engine assemblies, transmission systems, and chassis components. Its use is widespread in areas where secure and durable fastening is required ².

Manufacturer Overview - Cummins

Cummins Inc. is a well-established manufacturer with a long history in the heavy-duty truck industry. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins is known for its commitment to quality and innovation, providing reliable components that meet the demanding requirements of heavy-duty truck applications ³.

Cummins Engine Part 3862673: Plain Washer Compatibility

The Cummins part 3862673, a Plain Washer, is a versatile component that fits into various Cummins engine models. This washer is essential for maintaining the integrity of engine assemblies by providing a smooth, flat surface that ensures proper alignment and sealing between components.

Engine Compatibility

6C8.3, B6.7 CM2350, B135B, C GAS PLUS CM556, C8.3 G, ISB/ISD6.7 CM2150 SN, ISBE CM2150, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250, ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, ISX12 CM2350 X102, ISX12 G CM2180 EJ

The Plain Washer 3862673 is compatible with a broad range of Cummins engines, including the 6C8.3, B6.7 CM2350, B135B, C GAS PLUS CM556, C8.3 G, ISB/ISD6.7 CM2150 SN, ISBE CM2150, ISBE4 CM850, ISC CM2150, ISC CM554, ISC CM850, ISC8.3 CM2250, ISL CM2150, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250, ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, ISX12 CM2350 X102, and ISX12 G CM2180 EJ. This compatibility underscores the washer’s role in ensuring the seamless operation of these engines by providing a reliable sealing and alignment solution.

ISG11 CM2880 G108, ISG12 CM2880 G107, ISG12 G CMOH6.0 G111

The Plain Washer 3862673 also fits into the ISG11 CM2880 G108, ISG12 CM2880 G107, and ISG12 G CMOH6.0 G111 engines. These engines benefit from the washer’s ability to maintain proper alignment and sealing, contributing to the overall efficiency and longevity of the engine.

Role of Part 3862673 Plain Washer in Engine Systems

In the intricate assembly of engine systems, the part 3862673 Plain Washer serves as a fundamental component that ensures the smooth operation and longevity of various engine components. Its application spans across multiple assemblies, contributing to the efficient transfer of power and reduction of wear.

Accessory Drive Gear and Shaft

Within the accessory drive gear and shaft mechanisms, the plain washer is positioned to facilitate the seamless rotation of these components. By providing a smooth surface between moving parts, it minimizes friction and wear, thereby enhancing the durability and performance of the accessory drive system ⁴.

Actuator Housing and Drive Mechanisms

In the actuator housing and drive mechanisms, the plain washer plays a pivotal role in maintaining the precise alignment of components. This alignment is essential for the accurate operation of the actuator, ensuring that it responds effectively to control inputs without undue stress or wear on the system ¹.

Flywheel Housing and Assemblies

The flywheel housing and its associated assemblies, including the flywheel top-level assembly housing and the rear gear train accessory, benefit significantly from the inclusion of the plain washer. It aids in the uniform distribution of load across the flywheel, reducing the risk of uneven wear and potential failure. Additionally, in the context of the rear gear train accessory, the plain washer ensures that gear changes are smooth and efficient, contributing to the overall performance of the engine ².

Housing and Repto Components

In the housing components, such as the flywheel repto and the flywheel rpto, the plain washer is instrumental in maintaining the integrity of the housing structure. It prevents direct metal-to-metal contact, which could lead to galling or seizing under operational stress. Similarly, in the repto upfit and the rear power take-off kit, the plain washer ensures that the power take-off flange and housing operate without excessive friction, preserving the efficiency of power transmission ³.

Gear Repair Kit and Power Take-Off Housing

The gear repair kit and the power take-off housing also incorporate the plain washer to enhance their functionality. In the gear repair kit, it ensures that repaired gears operate smoothly, reducing the likelihood of future repairs. In the power take-off housing, the plain washer contributes to the efficient transfer of power from the engine to auxiliary equipment, ensuring that the power take-off operates reliably under varying loads ⁴.

Conclusion

The Cummins 3862673 Plain Washer is a versatile component that enhances the operation and durability of various engine systems. Its role in reducing friction, aligning components, and distributing loads is essential for the efficient and reliable performance of engine assemblies.