3897766
Lock Washer
Cummins®

The Cummins 3897766 Lock Washer is a specialized component designed for use in commercial truck maintenance. Its purpose is to enhance the security of fasteners, ensuring they remain tight under dynamic conditions typical of heavy-duty truck operations. This part is significant due to its role in maintaining the integrity of bolted connections, which is vital for the safe and efficient operation of commercial vehicles ¹.

Basic Concepts of Lock Washers

Lock washers are mechanical devices used in fastening systems to prevent screws and bolts from loosening. They operate by applying additional pressure to the components they are paired with, typically through deformation or by creating a spring-like tension. This added pressure helps to counteract the vibrational forces that can cause fasteners to become loose over time ².

Purpose of the Cummins 3897766 Lock Washer

This Cummins part is specifically engineered to play a role in the fastening systems of commercial trucks. It ensures that bolts and screws remain securely in place, even under the strenuous conditions encountered in heavy-duty applications. By preventing loosening, it contributes to the overall reliability and safety of the vehicle.

Key Features

The 3897766 features a unique design that enhances its functionality. It includes serrated edges that dig into the surfaces it contacts, providing a frictional grip that resists movement. Additionally, its material composition is chosen for durability and resistance to corrosion, ensuring long-term performance in harsh environments.

Benefits

Using this part offers several advantages. It provides improved fastening security, reducing the risk of bolts and screws coming loose. This increased security contributes to the longevity of fasteners, even in dynamic environments where vibrations are common. Furthermore, its robust design helps to maintain the structural integrity of bolted connections over time.

Installation Guidelines

To ensure optimal performance and safety, the 3897766 should be installed according to specific guidelines. First, ensure the mating surfaces are clean and free of debris. Place the lock washer under the bolt or screw head, ensuring it is properly aligned with the fastener. Tighten the fastener to the manufacturer’s specified torque, taking care not to over-tighten, which could damage the lock washer or the components it is securing.

Troubleshooting and Maintenance

Common issues with lock washers include deformation or failure due to excessive tightening or environmental factors. To troubleshoot these problems, inspect the lock washer for signs of wear or damage before installation. Regular maintenance involves checking fastened connections for tightness and replacing lock washers as needed to prevent loosening. Proper storage in a dry, corrosion-free environment can also prolong the life of the 3897766.

Manufacturer Overview - Cummins

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 and innovation in the commercial truck industry. Its product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Conclusion

The Cummins 3897766 Lock Washer plays a crucial role in the maintenance and safety of commercial trucks by ensuring the security of fasteners under dynamic conditions. Its unique design and durable construction make it an essential component for heavy-duty applications, contributing to the overall reliability and efficiency of commercial vehicles.