4900294
Lock Washer
Cummins®

The Cummins 4900294 Lock Washer is a specialized component designed for use in commercial truck maintenance. This lock washer serves a specific function within fastening systems, contributing to the overall reliability and safety of heavy-duty vehicles. Understanding its purpose and significance is vital for maintaining the integrity of truck components under various operational stresses.

Basic Concepts of Lock Washers

Lock washers are mechanical devices used in conjunction with bolts and nuts to prevent fastening systems from loosening. Unlike regular washers, which primarily distribute load and protect surfaces, lock washers incorporate features that create friction or deformation to secure the fastener in place. This is particularly important in applications where vibrations and dynamic loads are common, such as in commercial trucks ¹.

Purpose of the Cummins 4900294 Lock Washer

This Cummins part is engineered to play a role in the fastening systems of commercial trucks by preventing the loosening of fasteners under conditions of vibration and stress. Its design ensures that critical components remain securely attached, which is essential for the safe and efficient operation of the vehicle. By maintaining tight connections, this lock washer helps to ensure that truck components function as intended, even under demanding conditions.

Key Features

The 4900294 Lock Washer is characterized by several distinctive features that enhance its performance in heavy-duty applications. It is typically made from high-strength materials to withstand the rigors of commercial truck use. Its design may include serrations or splits that dig into the mating surfaces when tightened, creating additional friction to resist loosening. These attributes contribute to its effectiveness in maintaining secure fastenings.

Benefits of Using the Cummins 4900294 Lock Washer

Incorporating the Cummins 4900294 Lock Washer into fastening systems offers several advantages. It provides improved fastening security, ensuring that connections remain tight over time. Its durability allows it to perform well in harsh conditions, contributing to the longevity of the fastening system. Additionally, the reliability of this lock washer in maintaining tight connections is beneficial for the overall performance and safety of commercial trucks.

Installation Guidelines

Proper installation of the 4900294 Lock Washer is crucial for its effectiveness. It should be placed under the head of the bolt or nut, ensuring that it is correctly oriented to engage with the mating surfaces. Adherence to correct torque specifications is important to achieve the desired level of tension without over-tightening, which could damage the washer or the fastener. Pairing the lock washer with appropriate fasteners ensures optimal performance and longevity.

Troubleshooting and Maintenance

Common issues with lock washers include deformation, wear, or failure to prevent loosening. Regular inspection can help identify problems early. Maintenance tips for prolonging the life of the 4900294 Lock Washer include keeping fastening systems clean and free of corrosion, and replacing the washer if signs of wear or failure are detected. Monitoring for any indications that fasteners may be loosening can also help in determining when replacement is necessary.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and quality, Cummins is committed to providing reliable components for the automotive industry, including commercial vehicles. The company’s product range encompasses engines, filtration, emissions solutions, and more, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ dedication to quality and performance makes its components, like the 4900294 Lock Washer, a trusted choice for commercial truck maintenance.

Lock Washer 4900294 Compatibility with Cummins Engines

The Lock Washer part number 4900294, manufactured by Cummins, is a critical component designed to ensure secure fastening in various engine applications. This part is engineered to fit seamlessly within the engine systems of the A1400, A1700, A2000, and A2300 series.

For the A1400 and A1700 engines, the Lock Washer 4900294 is utilized in several key areas where secure fastening is paramount. Its design ensures that bolts and screws remain tightly secured, preventing loosening due to vibrations or thermal expansion. This is particularly important in maintaining the integrity of engine mounts and other critical connections.

In the A2000 and A2300 engines, the Lock Washer 4900294 serves a similar purpose but is often employed in more complex assemblies due to the increased power and size of these engines. The washer’s robust construction and precise dimensions make it an ideal choice for high-stress applications, ensuring that components remain fastened securely under demanding conditions.

Overall, the Lock Washer 4900294 is integral to the reliability and performance of these Cummins engines, providing a dependable solution for maintaining secure fastenings across various engine components.

Role of Part 4900294 Lock Washer in Engine Systems

The part 4900294 Lock Washer is instrumental in ensuring the secure attachment of various components within engine systems. In the context of fuel pump mounting, this lock washer plays a significant role by preventing the loosening of fasteners due to vibrations and thermal expansion, which are common in engine environments.

When installing the fuel pump, the lock washer is placed between the mounting bracket and the fastener (such as a bolt or nut). This placement ensures that the fuel pump remains firmly attached to the engine block or fuel tank, maintaining the integrity of the fuel delivery system. The lock washer’s design, which typically includes a split or serrated edge, digs into the mating surfaces, providing additional friction that resists movement.

In addition to fuel pump mounting, the 4900294 Lock Washer is also utilized in other critical engine component attachments. For instance, in the mounting of sensor brackets, such as those for oxygen sensors or knock sensors, the lock washer ensures that these sensitive components remain securely in place. This is essential for accurate readings and reliable engine performance.

Furthermore, in the attachment of emission control system components, such as catalytic converters or exhaust gas recirculation (EGR) valves, the lock washer helps maintain the necessary seals and connections, ensuring that the system functions efficiently and meets environmental regulations.

Overall, the 4900294 Lock Washer is a small yet vital component that enhances the reliability and durability of engine systems by providing additional security to fastener connections.

Conclusion

The Cummins 4900294 Lock Washer is a critical component in the maintenance and reliability of commercial truck and engine systems. Its design and features ensure secure fastening under demanding conditions, contributing to the safety and efficiency of heavy-duty vehicles. Proper installation and maintenance of this part are essential for optimal performance and longevity.