3093799
Plain Washer
Cummins®

The Cummins 3093799 Plain Washer is a component designed for use in commercial truck operations. It serves a specific function within the mechanical systems of trucks, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and role is fundamental for maintaining and optimizing truck performance.

Basic Concepts of Plain Washers

Plain washers are simple yet vital components in mechanical systems. They are typically flat, annular devices made from metal or other materials. Their general function is to distribute the load of a threaded fastener, such as a bolt or screw, over a larger area, thereby reducing the pressure on the surface to which the fastener is attached ¹. Additionally, plain washers can provide a degree of cushioning and help prevent damage to the surface. They also play a role in maintaining the alignment of fasteners and can contribute to the prevention of loosening due to vibration ².

Purpose of the Cummins 3093799 Plain Washer

The Cummins 3093799 Plain Washer is specifically designed to enhance the operation of commercial trucks. It is utilized in various truck components where load distribution and vibration reduction are necessary. By ensuring even distribution of force, it helps in maintaining the integrity of the fastening system. Its application can be found in areas where components are subject to significant stress or where precise alignment is crucial for the function of the assembly ³.

Key Features

The Cummins 3093799 Plain Washer is characterized by several key features that enhance its functionality. It is typically made from a durable material that can withstand the rigors of commercial truck use. The dimensions of the washer are precisely engineered to fit specific applications, ensuring optimal performance. Its design may include features such as a smooth surface to reduce friction and a consistent thickness to provide uniform load distribution.

Benefits of Using Plain Washers

Incorporating plain washers into truck assemblies offers several advantages. They help in distributing the load of fasteners, which can prevent damage to the surfaces they are attached to. Plain washers also contribute to reducing vibration, which can lead to loosening of fasteners over time. Additionally, depending on the material used, plain washers can offer corrosion resistance, extending the lifespan of the components they are used with ¹.

Installation and Usage Guidelines

Proper installation of the Cummins 3093799 Plain Washer is important for its effective function. It should be placed under the head of a bolt or screw, or within a nut, depending on the specific application. Care should be taken to ensure that the washer is correctly aligned and that it is not damaged during installation. Best practices include using the correct tools for installation and ensuring that the washer is not over-tightened, which could lead to deformation ².

Troubleshooting and Maintenance

Common issues with plain washers can include deformation, corrosion, or failure due to excessive load or vibration. Regular inspection during maintenance can help identify worn or damaged washers. Maintenance practices should include checking for proper alignment and ensuring that washers are not over-tightened. Replacement of the Cummins 3093799 Plain Washer should be considered if there are signs of wear or if it no longer performs its intended function effectively ³.

Manufacturer Information - Cummins

Cummins Inc. is a well-established company in the automotive industry, known for its commitment to quality and innovation in manufacturing truck components. With a history of producing reliable and high-performance parts, Cummins has built a reputation for excellence. The company’s dedication to advancing technology and improving the efficiency of commercial vehicles is reflected in its wide range of products, including the Cummins 3093799 Plain Washer ⁴.

Cummins Engine Part 3093799: Plain Washer Compatibility

The Cummins part 3093799, a Plain Washer, is a versatile component that fits into various engine configurations. This washer is designed to provide a smooth and secure fit, ensuring proper alignment and sealing in numerous engine applications. Here is a detailed look at its compatibility across different Cummins engines:

ISC and ISL Series Engines

• ISC CM2150
• ISL CM2150

These engines, part of the ISC and ISL series, utilize the Plain Washer in various applications. The washer is essential for maintaining the integrity of connections and ensuring that components are properly sealed and aligned.

QSB Series Engines

• QSB3.3 CM2150
• QSB3.3 CM2250 EC
• QSB6.7 CM2250

The QSB series engines, including the QSB3.3 and QSB6.7 models, incorporate the Plain Washer in several critical areas. This component is crucial for the assembly and disassembly of parts, ensuring that the engine operates smoothly and efficiently.

QSC Series Engines

• QSC8.3 CM554
• QSC8.3 CM850 (CM2850)
• QSC9 CM2250 / QSL9 CM2250

In the QSC series engines, the Plain Washer is used to maintain the precision and reliability of the engine’s components. This washer is particularly important in the CM554 and CM850 models, where it helps in the assembly of various parts, ensuring that they fit together seamlessly.

QSL Series Engines

• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM554
• QSL9 CM850 (CM2850)

The QSL series engines, including the QSL8.9, QSL9, and their variants, also benefit from the Plain Washer. This component is used in various applications within these engines, ensuring that all parts are correctly aligned and sealed.

QST Series Engines

• QST30 CM2350 T101
• QST30 CM552

The QST series engines, such as the QST30 models, utilize the Plain Washer in several key areas. This washer is essential for maintaining the structural integrity of the engine, ensuring that all components fit together perfectly and function as intended.

The Plain Washer part 3093799 is a critical component in the assembly and maintenance of these Cummins engines. Its versatility and importance in ensuring proper alignment and sealing make it a fundamental part of the engine’s overall performance and longevity.

Role of Part 3093799 Plain Washer in Engine Systems

The part 3093799 Plain Washer is a fundamental component in various engine systems, ensuring the smooth operation and integrity of multiple assemblies. Its applications span across several critical areas:

• Aftercooler (Right) Brackets: The plain washer is utilized to provide a smooth surface between the bracket and the mounting points, reducing friction and preventing wear.

• Air Compressor Upfit Kit: Within this kit, the plain washer is employed to maintain proper spacing and alignment between components, ensuring efficient air compression.

• Alternator Mounting: It plays a role in securing the alternator to the engine, allowing for vibration damping and maintaining electrical system stability.

• Breather: In the breather system, the plain washer helps in sealing connections, preventing air leaks that could affect engine performance.

• Cam Follower Assembly: The washer is used to facilitate smooth movement of the cam follower, reducing wear on mating surfaces.

• Cam Follower Cover: It ensures a tight seal around the cover, preventing oil leaks and maintaining lubrication efficiency.

• Crankcase Breather Arrangement: The plain washer aids in sealing the breather system, allowing for proper ventilation without compromising engine integrity.

• Cylinder Block: Within the cylinder block, it is used to secure various components, ensuring they remain in place under high stress and vibration.

• Decomposition Reactor Plumbing: The washer is crucial in maintaining the integrity of connections in the plumbing system, ensuring no leaks occur.

• Engine Control Module Plumbing: It ensures secure and leak-free connections in the plumbing associated with the engine control module.

• Fuel Plumbing: In fuel systems, the plain washer is used to ensure tight seals in fuel lines, preventing leaks and maintaining fuel pressure.

• Fuel Pump Mounting: It assists in securing the fuel pump to its mounting points, ensuring stability and proper function.

• Fuel Supply Plumbing: The washer is employed to maintain secure connections in the fuel supply lines, crucial for consistent fuel delivery.

• Fuel System Accessories: Various accessories within the fuel system use the plain washer to ensure proper installation and function.

• Guard Package: In guard packages, the plain washer is used to secure components, protecting them from damage and ensuring they remain in place.

• Injector: It is used in the mounting of injectors, ensuring they are held firmly in place and function correctly.

• Oil Fill Arrangement: The washer ensures a tight seal around the oil fill cap, preventing leaks and maintaining oil levels.

• Oil Level Gauge Location: It is used to secure the oil level gauge, ensuring accurate readings and preventing leaks.

• Oil Pan: Within the oil pan assembly, the plain washer is used to secure components and maintain the integrity of the oil system.

• Oil Pan Plumbing: It ensures secure connections in the oil pan plumbing, preventing leaks and maintaining oil flow.

• Refrigerant Compressor: In refrigerant compressor systems, the plain washer is used to secure components and maintain system integrity.

• Shipping Bracket: The washer is used in shipping brackets to ensure components are securely held during transport.

• Signal Generating Device: It ensures secure mounting of signal generating devices, maintaining their accuracy and reliability.

• Turbocharger Arrangement: Within the turbocharger system, the plain washer is used to secure components, ensuring efficient operation and preventing leaks.

• Water Inlet Connection: The washer is crucial in maintaining a leak-free connection at the water inlet, ensuring proper coolant flow and engine temperature regulation.

Conclusion

The Cummins 3093799 Plain Washer is a critical component in the maintenance and operation of commercial trucks and various Cummins engines. Its role in load distribution, vibration reduction, and maintaining the integrity of fastening systems is essential for the efficient and reliable performance of these vehicles. Proper installation, regular maintenance, and understanding its applications across different engine systems are key to leveraging the full benefits of this Cummins part.