3071358
Lock Washer
Cummins®

Introduction

The Cummins Part #3071358 Lock Washer is designed to enhance the security of bolted connections in commercial trucks. It plays a role in maintaining the integrity of various truck systems by preventing bolts and nuts from loosening due to vibrations and dynamic forces encountered during operation ¹.

Basic Concepts of Lock Washers

A lock washer is designed to prevent the loosening of threaded fasteners by introducing tension or friction. Designs include split lock washers, which create tension when compressed, and serrated lock washers, which increase friction by digging into mating surfaces. These principles ensure that fasteners remain securely in place under operational stress ².

Purpose of the 3071358 Lock Washer

This Cummins part is engineered to secure bolts and nuts in commercial truck applications. It is applied in areas where vibrations and dynamic loads are common, ensuring that critical components remain fastened and operational. This washer is particularly useful in maintaining the integrity of engine mounts, chassis components, and other areas where secure fastening is paramount ³.

Key Features

The 3071358 Lock Washer is characterized by its robust material composition, typically made from high-strength steel, which provides durability and resistance to wear. Its design includes features such as a split or serrated edge, which enhances its locking capability by creating additional friction or tension. These characteristics contribute to its effectiveness in harsh operating conditions ⁴.

Benefits of Using the 3071358 Lock Washer

Utilizing this part offers several advantages. It provides improved fastening security by preventing bolts and nuts from loosening, which is crucial in maintaining the structural integrity of commercial trucks. Additionally, its design offers resistance to vibration, ensuring longevity even in demanding environments. The washer’s durability contributes to the overall reliability and safety of the vehicle ⁵.

Installation Guidelines

To ensure optimal performance and longevity, this part should be installed according to the following guidelines:

1. Clean the mating surfaces to remove any dirt or debris.
2. Place the lock washer under the bolt head or nut, ensuring it is properly aligned.
3. Tighten the bolt or nut to the manufacturer’s specified torque settings.
4. Inspect the installation to confirm that the lock washer is securely in place and functioning as intended.

Troubleshooting and Maintenance

Common issues with lock washers include loosening or damage due to wear. Regular inspections can help identify these issues early. Maintenance practices such as replacing worn lock washers and ensuring proper torque settings during installation can prolong the life of the 3071358 Lock Washer and maintain its effectiveness ⁶.

Cummins: A Brief Overview

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 serves commercial truck, bus, construction, agricultural, and industrial markets. The company is renowned for its commitment to reliability, performance, and customer satisfaction, making it a trusted name in the commercial truck industry ⁷.

Lock Washer 3071358 in Cummins Engines

The Lock Washer 3071358 is a component in ensuring the integrity and functionality of various Cummins engines. This part is designed to prevent loosening of fasteners due to vibration, making it an essential element in maintaining the structural and operational stability of the engines.

N14 MECHANICAL

In the N14 MECHANICAL engine, the Lock Washer 3071358 is utilized in several key areas where securing bolts and nuts is paramount. Its application helps maintain the alignment and tightness of components, ensuring that the engine operates smoothly and efficiently.

NH/NT 855

Similarly, in the NH/NT 855 engines, the Lock Washer 3071358 plays a vital role. This engine, known for its robust performance, relies on the lock washer to secure various parts, preventing any potential loosening that could lead to mechanical failure. Its use in these engines underscores its importance in maintaining the overall reliability and durability of the engine.

By integrating the Lock Washer 3071358 into both the N14 MECHANICAL and NH/NT 855 engines, Cummins ensures that these engines can withstand the rigors of heavy-duty operations, providing consistent performance and longevity.

Role of Part 3071358 Lock Washer in Engine Systems

This part is integral to the secure assembly and reliable operation of various engine components. In brake systems, it ensures the stability of connections within the Brake Switch Kit and the C Brake (Top Level) Kit, preventing unwanted movement that could lead to brake failure. Similarly, in the C Brake Kit and C-Brake Kit, this lock washer maintains the integrity of the brake assembly, contributing to consistent braking performance.

Within the engine compartment, the lock washer plays a significant role in the Cummins Engine Brake Kit and the Engine Brake Kit by securing components such as the Rocker Housing and the Switch Bracket. This security is vital for the efficient operation of the engine brake, ensuring that the system responds accurately to driver inputs.

Furthermore, in the Engine Control and Engine Control Kit, the lock washer is used to secure connections that are pivotal for the precise control of engine functions. It helps in maintaining the alignment and stability of the Switch Mounting Bracket, which is essential for the accurate operation of the engine control system.

Overall, the application of Part 3071358 Lock Washer across these components underscores its importance in ensuring the durability and reliability of engine and brake systems.

Conclusion

The Cummins Part #3071358 Lock Washer is a critical component in maintaining the integrity and functionality of bolted connections in commercial trucks. Its robust design and material composition ensure durability and resistance to wear, making it essential for the reliable operation of various engine and brake systems. Proper installation and maintenance practices are crucial to prolong the life and effectiveness of this part, contributing to the overall reliability and safety of the vehicle.