3628902
Plain Washer
Cummins®

The Cummins 3628902 Plain Washer is a component designed for use in heavy-duty truck systems. Its purpose is to enhance the functionality and durability of various truck components by providing a stable and even distribution of load across fastenings. This washer is integral to maintaining the integrity and performance of truck systems, ensuring that components remain securely fastened under demanding conditions.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They function primarily to distribute the load from a fastening device, such as a bolt or nut, across a larger surface area. This distribution helps prevent damage to the surfaces being joined and reduces the risk of the fastening device loosening over time. Plain washers also serve to protect surfaces from corrosion by creating a barrier between the fastening device and the joined materials ¹.

Purpose of the 3628902 Plain Washer

The 3628902 Plain Washer is specifically designed to play a role in the operation of heavy-duty trucks. It is applied in various truck systems and components, including engine assemblies, transmission systems, and chassis structures. By ensuring even load distribution, this washer helps maintain the structural integrity and performance of these critical systems, contributing to the overall reliability and longevity of the truck ².

Key Features

The 3628902 Plain Washer is characterized by several key features that make it suitable for heavy-duty applications. It is composed of high-quality materials, typically steel or stainless steel, which provide excellent durability and resistance to wear and corrosion. The dimensions of the washer are precisely engineered to fit specific applications, ensuring optimal performance. Its design is straightforward, with a flat, circular shape that allows for easy installation and compatibility with a wide range of fastening devices.

Benefits of Using the 3628902 Plain Washer

Utilizing the 3628902 Plain Washer offers several advantages. Its durable material composition ensures long-lasting performance even under demanding conditions. The washer’s design facilitates improved load distribution, reducing the risk of component failure due to uneven stress. Additionally, its resistance to wear and corrosion helps protect truck systems from environmental damage, contributing to the overall reliability and efficiency of the vehicle ³.

Installation Guidelines

Proper installation of the 3628902 Plain Washer is crucial for ensuring its effectiveness. To install, place the washer under the head of the bolt or nut before tightening. Ensure that the washer is correctly aligned and seated to distribute the load evenly. Avoid over-tightening, as this can lead to deformation of the washer or damage to the joined surfaces. Regularly inspect the washer for signs of wear or damage and replace it as necessary to maintain optimal performance.

Troubleshooting and Maintenance

Common issues with the 3628902 Plain Washer may include wear, deformation, or improper installation. To address these issues, regularly inspect the washer for any signs of damage or misalignment. If wear or deformation is detected, replace the washer to prevent further complications. Ensure that all fastening devices are properly tightened but not over-tightened to avoid damaging the washer or the joined surfaces. Adhering to these maintenance practices will help ensure the longevity and performance of the washer.

Compatibility and Applications

The 3628902 Plain Washer is typically used in various heavy-duty truck systems, including engine components, transmission systems, and chassis assemblies. Its compatibility with a wide range of fastening devices makes it a versatile component for maintaining the structural integrity and performance of these critical systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Cummins Part 3628902: Plain Washer Compatibility with Engine Models

The Cummins part 3628902, a Plain Washer, is designed to fit a variety of engine models. This part is integral in ensuring the proper assembly and functionality of the engines it is used with. Below is a detailed description of the compatibility of this part with the listed engine models:

Compatible Engines

• 6B5.9
• GTA38 G CMEICS G116C
• K19
• K38
• K50
• KTA38GC CM558
• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK45 CM500
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108
• QSK60 CM500
• QSK60 CM850 MCRS
• QST30 CM552
• VTA903 CM2250 V105

Grouping of Compatible Engines

QSK Series

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK45 CM500
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108
• QSK60 CM500
• QSK60 CM850 MCRS

K Series

• K19
• K38
• K50

Other Models

• 6B5.9
• GTA38 G CMEICS G116C
• KTA38GC CM558
• QST30 CM552
• VTA903 CM2250 V105

The Plain Washer part 3628902 is engineered to meet the specific requirements of these engines, ensuring a secure fit and optimal performance. Its application across such a diverse range of engine models underscores its versatility and importance in maintaining engine integrity.

Role of Part 3628902 Plain Washer in Engine Systems

The Part 3628902 Plain Washer is a versatile component utilized in various engine systems to ensure proper functionality and efficiency. Its applications span across multiple components, contributing to the overall performance of the engine.

Air System Components

In the air cleaner straps, the plain washer is used to secure the straps, ensuring a tight fit and preventing air leaks that could affect engine performance. Similarly, in the air crossover connection, it helps maintain a sealed connection, crucial for the efficient transfer of air within the system.

For the air strainer accessories, the washer plays a role in securing various attachments, ensuring that the air strainer functions correctly by filtering out contaminants before they enter the engine.

Breather and Vent Systems

The plain washer is integral in the crankcase breather system, where it helps seal connections, allowing for the safe release of pressure without letting contaminants enter the crankcase. In the breather kit, it ensures that all components are securely fastened, maintaining the integrity of the breather system.

The hand hole breather also utilizes the washer to create a sealed environment, preventing any unwanted air or contaminants from entering the engine compartment through the hand hole.

Camshaft and Valve Covers

In the camshaft mounting cover, the plain washer is used to secure the cover in place, ensuring that the camshaft operates within a sealed environment. This is vital for maintaining the precision and efficiency of the camshaft’s movement.

For the cover valve and fill & breather systems, the washer ensures that these covers are properly sealed, preventing any leaks that could disrupt the engine’s operation.

Fuel and Oil Systems

The plain washer is employed in the fuel valve and fuel valve mounting to ensure a secure and leak-free connection. This is essential for maintaining the correct fuel pressure and delivery to the engine.

In the oil clutch plumbing kit and oil control valve, the washer helps in creating a sealed system, ensuring that oil flows smoothly and efficiently throughout the engine, reducing the risk of leaks and maintaining optimal lubrication.

Cooling and Turbocharger Systems

In the engine cooling system, particularly in the connection water outlet and tube water transfer, the plain washer ensures that all connections are sealed, preventing coolant leaks and maintaining the engine’s temperature within safe limits.

For the turbocharger and turbocharger oil drain hose, the washer is used to secure connections, ensuring that the turbocharger operates efficiently without any oil leaks, which could lead to performance issues.

Additional Applications

The plain washer is also found in the harness electronic control module wiring, where it helps in securing connections, ensuring that the electronic control module functions correctly without any electrical issues.

In the instrument panel enclosure, it is used to secure various components, ensuring that the enclosure remains intact and protects the instruments from external elements.

Overall, the Part 3628902 Plain Washer is a fundamental component in numerous engine systems, playing a significant role in ensuring the secure and efficient operation of various engine components.

Conclusion

The Cummins 3628902 Plain Washer is a critical component in heavy-duty truck systems, designed to enhance the functionality and durability of various truck components. By ensuring even load distribution and providing resistance to wear and corrosion, this washer contributes to the overall reliability and efficiency of the vehicle. Proper installation and regular maintenance are essential to ensure the longevity and performance of the washer. Its compatibility with a wide range of engine models underscores its versatility and importance in maintaining engine integrity.