3929860
Plain Washer
Cummins®

Introduction

The Cummins 3929860 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 metal rings that distribute load, prevent damage to surfaces, and provide spacing between parts. In operation, plain washers help to evenly distribute the force exerted by a fastener, such as a bolt or screw, across a larger surface area. This reduces the risk of damage to the materials being joined and enhances the stability and durability of the connection ¹.

Purpose of the Cummins 3929860 Plain Washer

This Cummins part is specifically engineered to play a role in the fastening systems of commercial trucks. It is applied in various truck components where secure and durable connections are required. By providing a uniform distribution of load and preventing direct metal-to-metal contact, it helps in reducing wear and tear on critical parts, thereby contributing to the longevity and reliability of the truck’s mechanical systems.

Key Features

The Cummins 3929860 Plain Washer is characterized by several key features that make it suitable for heavy-duty applications. It is typically made from high-quality materials that offer excellent durability and resistance to wear and corrosion. Its design includes precise dimensions that ensure a proper fit within the truck’s fastening systems, and it is engineered to withstand the rigors of commercial truck operations ².

Benefits

Using this Cummins part offers several benefits. Its material composition and design contribute to enhanced durability, ensuring that it can withstand the demanding conditions of commercial truck use. The washer aids in the even distribution of loads, which helps protect connected parts from damage. Additionally, its resistance to wear and corrosion ensures long-term reliability, reducing the need for frequent replacements ³.

Installation and Usage

Proper installation and usage of the Cummins 3929860 Plain Washer are crucial for ensuring optimal performance and longevity. It should be placed correctly within the fastening system, ensuring that it is aligned properly to distribute loads effectively. Regular checks should be performed to ensure that the washer remains in good condition and is functioning as intended.

Troubleshooting and Maintenance

Common issues with plain washers can include wear, deformation, or corrosion. Regular inspections can help identify these problems early, allowing for timely replacement or repair. Maintenance tips include keeping the washer and its surrounding components clean and free from debris, which can contribute to wear and corrosion. Signs of wear or failure, such as visible damage or a loss of functionality, should be addressed promptly to prevent further issues ⁴.

Compatibility and Applications

The Cummins 3929860 Plain Washer is designed for use in a variety of applications within commercial trucks. Its versatility makes it a valuable component in different systems, contributing to the overall performance and reliability of the vehicle. Understanding its typical applications can help in selecting the appropriate washer for specific needs within the truck’s mechanical systems.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the commercial truck and engine industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and history of excellence make it a trusted name in the industry.

Cummins Plain Washer 3929860 in Engine Applications

The Cummins Plain Washer part number 3929860 is a critical component in various engine configurations, ensuring proper sealing and alignment of parts. This washer is designed to fit snugly in specific areas of the engine, providing a stable and secure connection between different parts.

In the 6B5.9 engine, the 3929860 washer is utilized in several key locations. It is often found in the fuel injection system, where it helps maintain the integrity of the fuel lines and connections. Additionally, it is used in the engine’s cooling system, ensuring that coolant flows correctly without leaks. The washer’s role in these systems is vital for maintaining engine performance and longevity.

For engines within the same family or similar configurations, the 3929860 washer is similarly employed. Its design allows it to be a versatile part, fitting into multiple engine models with precision. This adaptability makes it a staple in many Cummins engine applications, providing a reliable solution for sealing and alignment needs.

Role of Part 3929860 Plain Washer in Engine Systems

In engine systems, the part 3929860 Plain Washer is instrumental in ensuring the smooth operation and longevity of various components. This washer is often utilized in the assembly of the bell crank lever, where it provides necessary spacing and reduces friction between moving parts. By doing so, it helps maintain the precision and efficiency of the lever’s movements, which are essential for accurate control responses.

When integrated into the throttle system, the 3929860 Plain Washer plays a significant role in the throttle bracket and throttle control bracket assemblies. It ensures that the throttle can move freely without undue resistance, which is vital for maintaining consistent engine performance. The washer’s presence in these brackets helps in distributing the load evenly, preventing wear and tear on the components.

Furthermore, in the throttle kit, the 3929860 Plain Washer contributes to the overall stability and reliability of the throttle system. It aids in securing the components in place while allowing for the necessary adjustments and movements. This balance is key to achieving optimal engine control and responsiveness.

Overall, the 3929860 Plain Washer, though a small component, is integral to the efficient functioning of these engine systems. Its role in reducing friction, ensuring proper spacing, and contributing to the stability of various assemblies cannot be overstated.

Conclusion

The Cummins 3929860 Plain Washer is a vital component in the mechanical systems of commercial trucks and engines. Its design and material composition ensure durability, resistance to wear and corrosion, and reliable performance under demanding conditions. Proper installation, regular maintenance, and understanding its applications are key to maximizing the benefits of this part in ensuring the efficiency and reliability of truck and engine operations.