112400
Lock Washer
Cummins®

Introduction

The Cummins 112400 Lock Washer is a specialized component designed to enhance the security of fasteners in commercial truck applications. Its role is significant in maintaining the integrity of truck components under various operational stresses and vibrations. This part is integral to ensuring that fasteners remain tight and secure, thereby contributing to the overall safety and efficiency of truck operations.

Basic Concepts of Lock Washers

Lock washers are designed to prevent the loosening of fasteners due to vibration and movement. Unlike regular washers, which primarily distribute load and prevent damage to the surface, lock washers incorporate features that create additional friction or mechanical interference. This design helps to keep the fastener in place, reducing the risk of it coming loose over time ¹.

Function and Operation

The Cummins 112400 operates through a combination of design features that enhance its locking capability. It typically features a split or serrated edge that digs into the mating surfaces when the fastener is tightened. This creates a mechanical interlock that resists loosening under dynamic conditions. The design is particularly effective in environments where vibrations are common, such as in heavy-duty truck applications ².

Purpose of the Cummins 112400 Lock Washer in Truck Operation

In the context of commercial trucks, this Cummins part plays a role in maintaining the security of critical fasteners. It is applied in various truck components where vibration and stress are prevalent, such as in the engine, transmission, and chassis. By ensuring that fasteners remain tight, it contributes to the longevity and reliability of these components, ultimately supporting the safe and efficient operation of the truck.

Key Features

The Cummins 112400 is characterized by several key features that enhance its performance. It is typically made from high-strength materials to withstand the rigors of truck operation. The design includes serrated edges or a split configuration that provides the necessary locking action. Additionally, it is engineered to be compatible with a range of fastener sizes, making it versatile for various applications.

Benefits of Using the Cummins 112400 Lock Washer

The use of this part offers several advantages. It provides improved fastening security, reducing the risk of fastener loosening in dynamic environments. This enhances the longevity and reliability of truck components, contributing to overall operational efficiency. The washer’s design also allows for easier installation and removal, facilitating maintenance procedures.

Installation Guidelines

To ensure optimal performance, the Cummins 112400 should be installed according to specific guidelines. Begin by cleaning the mating surfaces to remove any debris or corrosion. Place the lock washer under the head of the fastener or within the nut, ensuring that the serrated edges are in contact with the mating surfaces. Tighten the fastener to the recommended torque specification, taking care not to over-tighten, which could damage the washer or the fastener.

Troubleshooting Common Issues

Common issues with lock washers include corrosion and deformation. Corrosion can be addressed by regularly inspecting the washers and replacing them if signs of rust or degradation are present. Deformation may occur if the washer is over-tightened or subjected to excessive stress. In such cases, replacing the washer with a new one is recommended to maintain fastening security ³.

Maintenance Tips

Regular inspection and maintenance of lock washers are vital to ensure their continued effectiveness. Inspect washers during routine maintenance checks for signs of wear, corrosion, or deformation. Replace any washers that show signs of damage to maintain the integrity of the fastening system. Additionally, ensure that fasteners are tightened to the correct torque specifications to prevent over-tightening or under-tightening.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and aftermarket parts. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes components and systems designed to enhance the performance, reliability, and efficiency of commercial vehicles ⁴.

Role of Part 112400 Lock Washer in Engine Systems

In the assembly and maintenance of engine systems, the part 112400 Lock Washer is integral to ensuring the stability and integrity of various components. When integrated with the Spring Pack Cover, the Lock Washer serves to prevent loosening of fasteners due to engine vibrations. This is particularly important in high-stress environments where the Spring Pack Cover is subject to continuous movement and pressure.

Similarly, in the context of the Tractor Spring Pack, the Lock Washer plays a significant role. It is positioned between the fastener head and the Spring Pack to distribute the load more evenly, reducing the risk of galling and ensuring that the Spring Pack remains securely in place. This is essential for the efficient operation of the tractor, as any misalignment or movement of the Spring Pack can lead to decreased performance and potential damage to other engine components.

The Lock Washer also contributes to the longevity of the fasteners themselves. By preventing micro-movements that can lead to fatigue and eventual failure, it ensures that the fasteners maintain their structural integrity over extended periods of use. This is particularly beneficial in engine systems where regular maintenance might be challenging due to the remote or harsh operating conditions.

Conclusion

In summary, the part 112400 Lock Washer is a small yet significant component in the engine systems, enhancing the reliability and performance of both the Spring Pack Cover and the Tractor Spring Pack. Its application is a testament to the importance of meticulous engineering in ensuring the seamless operation of complex machinery.