3502066
Lockplate
Cummins®

The Cummins 3502066 Lockplate is a component designed to enhance the reliability and safety of heavy-duty truck operations. Its role is to secure fasteners in place, preventing them from loosening due to the vibrations and stresses encountered during truck operation. This part is integral to maintaining the integrity of various truck components, ensuring they function as intended under demanding conditions ¹.

Basic Concepts of Lockplates

A lockplate, also known as a lock washer, is a thin plate used to prevent fastened components from loosening. It operates by applying a spring force to the fastener, which creates friction and resistance against movement. This mechanism is crucial in environments where vibrations are common, such as in heavy-duty trucks, to ensure that components remain securely fastened ².

Purpose of the 3502066 Lockplate

The Cummins 3502066 Lockplate is specifically designed to secure fasteners in heavy-duty truck applications. It plays a role in preventing fasteners from loosening due to the constant vibrations and dynamic loads experienced by trucks. By maintaining the tightness of fasteners, it contributes to the overall safety and reliability of the vehicle ³.

Key Features

The Cummins 3502066 Lockplate is characterized by its robust design and material composition. It is typically made from high-strength steel, which provides durability and resistance to wear. The design includes serrated edges that dig into the fastener and the surface it is securing, enhancing the friction and preventing movement. These features contribute to its effectiveness in demanding applications ⁴.

Benefits

Utilizing the Cummins 3502066 Lockplate offers several advantages. It enhances the safety of the truck by ensuring that critical components remain securely fastened. This reduces the risk of component failure due to loosening fasteners. Additionally, it improves the reliability of the truck, minimizing the need for frequent maintenance and reducing downtime. The lockplate’s design also contributes to extended component life by preventing wear and damage caused by loose fasteners ⁵.

Installation Process

Installing the Cummins 3502066 Lockplate requires careful attention to ensure it functions correctly. The process involves placing the lockplate under the nut or bolt head before tightening. It is important to ensure that the serrated edges are correctly aligned to provide maximum effectiveness. Tools such as wrenches and torque wrenches may be required to achieve the proper tightness without over-tightening, which could damage the lockplate or the fastener ⁶.

Common Issues and Troubleshooting

Typical problems with lockplates include corrosion and improper installation. Corrosion can weaken the lockplate, reducing its effectiveness. Regular inspection for signs of rust or corrosion is recommended. Improper installation, such as misalignment of the serrated edges, can also reduce the lockplate’s effectiveness. Ensuring correct installation and using the appropriate fasteners can help avoid these issues ⁷.

Maintenance Tips

To ensure the longevity and effectiveness of the Cummins 3502066 Lockplate, regular inspection and maintenance are recommended. This includes checking for signs of wear, corrosion, or damage. If any issues are detected, the lockplate should be replaced to maintain the security of the fasteners. Additionally, ensuring that fasteners are tightened to the manufacturer’s specifications can help prevent loosening and extend the life of the lockplate ⁸.

Compatibility and Applications

The Cummins 3502066 Lockplate is designed for use in a variety of heavy-duty truck applications. Its versatility makes it suitable for securing fasteners in engines, transmissions, and other critical components. It is commonly used in trucks where reliability and safety are paramount, demonstrating its widespread application in the industry ⁹.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. Their product range includes a variety of components designed to enhance the performance, reliability, and efficiency of vehicles, reflecting their commitment to excellence and customer satisfaction ¹⁰.

Cummins Lockplate 3502066 Compatibility with Engine Models

The Cummins Lockplate part number 3502066 is a crucial component designed to fit seamlessly with various engine models. This part is engineered to ensure secure fastening and stability, enhancing the overall performance and longevity of the engines it is used with.

Compatibility with Specific Engine Models

• 4B3.9 and 6B5.9 Engines The Lockplate 3502066 is specifically designed to fit the 4B3.9 and 6B5.9 engines. These engines are known for their robust construction and reliability, making the lockplate an essential part for maintaining their structural integrity.

• 6C8.3 Engine The 6C8.3 engine also benefits from the use of the Lockplate 3502066. This engine is part of a series that emphasizes efficiency and power, and the lockplate plays a vital role in ensuring that all components are securely fastened.

Compatibility with G5.9 and L10 MECHANICAL Engines

• G5.9 Engine The Lockplate 3502066 is engineered to fit the G5.9 engine, which is known for its versatility and adaptability in various applications. The lockplate ensures that the engine’s components remain securely in place, contributing to its overall performance.

• L10 MECHANICAL Engine The L10 MECHANICAL engine is another model that is compatible with the Lockplate 3502066. This engine is designed for heavy-duty applications, and the lockplate is essential for maintaining the engine’s structural stability under demanding conditions.

Ensuring Proper Fitment

When installing the Lockplate 3502066, it is important to ensure that it is correctly aligned and securely fastened. This will help to prevent any potential issues that could arise from improper fitment, such as component misalignment or loosening over time. Proper installation of this lockplate is crucial for maintaining the performance and reliability of the engines it is used with ¹¹.

Role of Part 3502066 Lockplate in Engine Systems

The 3502066 Lockplate is an essential component in the assembly and maintenance of various engine systems, particularly those involving turbochargers and their associated kits.

In the context of an Aftermarket Turbocharger, the Lockplate secures the turbine housing to the exhaust manifold, ensuring a tight seal that prevents exhaust leaks. This is vital for maintaining the efficiency and performance of the turbocharger.

When dealing with a Core Assembly, the Lockplate plays a role in securing critical components within the assembly, contributing to the structural integrity and operational reliability of the engine system.

For the Engine Oil Cooler, the Lockplate is used to secure the cooler to the engine block or other mounting points. This ensures that the oil cooler remains in place under the dynamic conditions of engine operation, facilitating effective oil cooling and prolonging engine life.

In conjunction with a Fastener & Finishing Kit, the Lockplate provides additional security for various engine components, enhancing the overall robustness of the engine assembly.

Within an Overhaul Kit, the Lockplate is often included to replace worn or damaged components during engine maintenance, ensuring that all parts are securely fastened post-overhaul.

For Performance Parts, the Lockplate is utilized to secure high-performance components, ensuring they remain in optimal position under increased stress and higher operating conditions.

In the installation of a Turbocharger, the Lockplate is instrumental in securing the turbocharger to the engine, ensuring it operates efficiently without the risk of detachment or misalignment.

When using a Turbocharger Conversion Kit or a Turbocharger Kit, the Lockplate is essential for securing the turbocharger components, facilitating a smooth and efficient conversion or upgrade process.

For Turbocharger Repair scenarios, such as with an H1C-H2A Kit or an H1C/H2A Kit, the Lockplate is used to resecure components after repair, ensuring the turbocharger functions correctly post-repair.

In a Turbocharger Repair Kit, the Lockplate is a key component for reassembling and securing turbocharger parts, contributing to the effectiveness of the repair process and the longevity of the turbocharger ¹².

Conclusion

The Cummins 3502066 Lockplate is a critical component in ensuring the reliability and safety of heavy-duty truck operations. Its robust design and material composition make it suitable for demanding applications, contributing to the overall performance and longevity of the engines it is used with. Regular maintenance and proper installation are essential to maximize the benefits of this part.