3093869
Plain Washer
Cummins®

The 3093869 Plain Washer is a component manufactured by Cummins, a prominent entity in the commercial truck industry. This washer plays a role in the mechanical systems of commercial trucks by providing a smooth surface between mating parts, distributing loads, and preventing damage to components. A plain washer is a simple yet vital part used in various mechanical assemblies to enhance performance and longevity.

Basic Concepts of Plain Washers

Plain washers are thin, flat rings typically made from metal, plastic, or rubber. They function by providing a uniform distribution of load across a surface, reducing wear and tear on mating parts, and preventing damage from vibrations. The materials used in manufacturing plain washers vary depending on the application, with common options including steel, stainless steel, brass, and nylon. Each material offers different properties such as strength, corrosion resistance, and electrical conductivity ¹.

Purpose of the 3093869 Plain Washer in Truck Operations

The 3093869 Plain Washer contributes to the operation of commercial trucks by ensuring smooth interaction between components. It plays a role in maintaining the integrity of bolted joints by providing a barrier between the bolt and the surface it is fastening. This helps in distributing the load evenly, reducing the risk of galling, and enhancing the overall reliability of truck components ².

Key Features

The 3093869 Plain Washer is characterized by its specific design and material properties. It is crafted from high-quality materials to ensure durability and performance under demanding conditions. Unique characteristics may include a precise thickness and outer diameter, which are critical for its function in truck applications. The washer’s design ensures it can withstand high loads and resist deformation, contributing to the longevity of the assembly it is part of.

Benefits of Using the 3093869 Plain Washer

Incorporating the 3093869 Plain Washer into truck maintenance and repair offers several advantages. Its durability ensures long-term performance, reducing the frequency of replacements. The washer enhances the performance of bolted joints by providing a smooth surface and uniform load distribution. Additionally, its cost-effectiveness makes it a practical choice for maintaining and repairing commercial trucks, offering a balance between quality and price.

Installation and Usage Guidelines

Proper installation of the 3093869 Plain Washer is key to ensuring optimal performance and longevity. It should be placed under the bolt head or nut to create a smooth surface and distribute the load evenly. During installation, it is important to ensure the washer is correctly aligned and not over-tightened, which could lead to deformation or failure. Following these best practices will help maintain the washer’s integrity and the efficiency of the truck’s components.

Troubleshooting and Maintenance

Common issues with plain washers include deformation, corrosion, and wear. Regular inspection for signs of damage or deterioration is important to identify these issues early. Maintenance tips for prolonging the life of the 3093869 Plain Washer include keeping it clean and free from contaminants, and replacing it when signs of wear are evident. Proper replacement practices involve ensuring the new washer is of the correct size and material for the application to avoid potential failures.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history and a broad product range, Cummins is renowned for its quality and innovation in the commercial truck industry. The company’s commitment to manufacturing high-quality components is evident in its extensive line of truck parts, including the 3093869 Plain Washer, which is designed to meet the demanding requirements of commercial truck operations.

Cummins Engine Compatibility with Part 3093869

The Cummins Plain Washer part number 3093869 is designed to fit seamlessly within various Cummins engine models. This part is essential for ensuring proper assembly and function of the engine components. Below is a detailed description of how this part integrates with specific Cummins engines.

QST30 CM552 Engines

The Cummins Plain Washer 3093869 is specifically engineered to fit within the QST30 CM552 engine series. This washer plays a crucial role in maintaining the integrity of the engine’s assembly by providing a smooth and even surface for the components it interfaces with. Its placement is critical in preventing leaks and ensuring that the engine operates efficiently.

Grouping of Engines

In the context of the QST30 CM552 engines, the Plain Washer 3093869 is utilized in several key areas. These include:

• Cylinder Head Assembly: Ensuring a tight seal between the cylinder head and the engine block.
• Oil Pan Gasket: Providing a secure fit that prevents oil leaks.
• Fuel Injection System: Ensuring that fuel lines and connections are sealed properly, preventing any fuel leaks.

The washer’s design allows it to conform to the specific dimensions and tolerances required by these engines, ensuring a perfect fit and optimal performance.

Role of Part 3093869 Plain Washer in Engine Systems

In engine systems, the 3093869 Plain Washer is employed to ensure smooth operation and efficient performance across various components.

Drive System

Within the drive system, the 3093869 Plain Washer is positioned between rotating and stationary parts to minimize friction. This placement helps in maintaining the integrity of the drive mechanism by reducing wear and tear on adjacent components. It also aids in distributing loads evenly, which is essential for the consistent transfer of power.

Fan Assembly

In the fan assembly, the 3093869 Plain Washer plays a role in securing the fan blades to the shaft while allowing for smooth rotation. By reducing friction, it helps in maintaining the efficiency of the cooling system, ensuring that the engine operates within optimal temperature ranges.

Flywheel Housing

When integrated into the flywheel housing, the 3093869 Plain Washer assists in aligning the flywheel with the engine crankshaft. This alignment is vital for the smooth transmission of rotational energy from the engine to the drivetrain. The washer also helps in absorbing vibrations, contributing to a more stable and reliable engine performance.

Housing Components

In various housing components, the 3093869 Plain Washer is used to facilitate the movement of parts while preventing direct metal-to-metal contact. This application is particularly important in maintaining the longevity of the housing and ensuring that internal components function without undue stress or excessive wear.

Flywheel

Finally, in the context of the flywheel, the 3093869 Plain Washer is essential for maintaining the precise spacing between the flywheel and other connected parts. This ensures that the flywheel can spin freely, storing and releasing energy efficiently to smooth out the power delivery from the engine.

Conclusion

Overall, the 3093869 Plain Washer is a fundamental component in enhancing the reliability and performance of engine systems by reducing friction, aligning parts, and absorbing vibrations. Its role in various engine components underscores its importance in maintaining the smooth operation and efficiency of commercial trucks.