107534
Lock Nut
Cummins®

Introduction

The Cummins 107534 Lock Nut is a specialized fastener designed for use in commercial trucks. Its primary function is to secure bolts and other threaded components, ensuring they remain firmly in place under various operating conditions. This part is particularly valued in the trucking industry for its reliability and performance in maintaining secure fastenings.

Basic Concepts of Lock Nuts

Lock nuts are mechanical fasteners that prevent loosening due to vibration or rotation. They achieve this through various mechanisms, such as nylon inserts, prevailing torque features, or deformation. Lock nuts are widely used in mechanical systems where secure fastening is crucial, including automotive, aerospace, and industrial applications ¹.

Purpose of the Cummins 107534 Lock Nut

The Cummins 107534 Lock Nut plays a role in the operation of a truck by providing a secure fastening solution for critical components. It is designed to withstand the rigors of commercial truck environments, including heavy loads, vibrations, and varying temperatures. This lock nut is particularly important in applications where the failure of a fastening could lead to significant operational issues or safety concerns.

Key Features

The Cummins 107534 Lock Nut features a robust design that includes a prevailing torque mechanism, which resists loosening under vibration. It is made from high-strength materials, ensuring durability and reliability. The nut’s design also incorporates features that enhance its performance, such as a serrated underside that digs into the mating surface for added security.

Benefits

Using the Cummins 107534 Lock Nut offers several benefits. It provides improved security of fastenings, ensuring that critical components remain securely in place. The nut’s resistance to vibration makes it ideal for use in commercial trucks, where vibrations are common. Additionally, its longevity in harsh operating conditions ensures that it can withstand the demands of truck operations over an extended period.

Installation Guidelines

Proper installation of the Cummins 107534 Lock Nut is crucial for optimal performance. To install, first, ensure the threaded component is clean and free of debris. Apply a small amount of thread locker if specified by the manufacturer. Then, using the appropriate tool, tighten the lock nut to the recommended torque specification. It is important to avoid over-tightening, which can damage the nut or the threaded component.

Troubleshooting Common Issues

Common issues with lock nuts include loosening due to vibration or corrosion. To address these problems, regularly inspect the nuts for signs of wear or corrosion. If a nut appears loose, it should be re-tightened to the specified torque. In cases of severe corrosion, replacement may be necessary. Ensuring that all mating surfaces are clean and free of contaminants can also help prevent issues ².

Maintenance Tips

Regular maintenance of the Cummins 107534 Lock Nut is important for continued reliable performance. Periodically check the nuts for signs of wear, corrosion, or loosening. Clean the nuts and mating surfaces as needed to remove any contaminants. Follow the manufacturer’s guidelines for re-torque intervals to ensure that the nuts remain securely fastened.

Applications in Commercial Trucks

The Cummins 107534 Lock Nut is used in various applications within commercial trucks. It is commonly found in the fastening of critical components such as engine mounts, transmission components, and chassis parts. Its role in these applications highlights its importance in ensuring the reliability and safety of truck operations.

About 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 is renowned for its innovation and quality in the commercial truck industry. The company offers a wide range of products designed to meet the demanding requirements of commercial vehicle applications.

Compatibility with Cummins Engines

The Lock Nut part number 107534, manufactured by Cummins, is designed to be compatible with a range of Cummins engines. This part is integral in securing various components within the engine assembly, ensuring stability and reliability during operation.

Compatible Engines

• K19
• K38
• K50
• NH/NT 855
• QSK19 CM850 MCRS
• QSK38 CM850 MCRS
• QSK50 CM2150 MCRS
• V28

These engines benefit from the Lock Nut 107534, providing a secure fastening solution for critical components. The K-series engines are known for their robust design and are widely used in various industrial applications. The NH/NT 855 engine is part of the Cummins NH/NT series, recognized for its durability and efficiency in heavy-duty applications. The QSK series engines, including the QSK19, QSK38, and QSK50, are equipped with the Lock Nut 107534. These engines are part of Cummins’ QSK series, known for their high performance and reliability in demanding environments. The CM850 and CM2150 configurations further enhance the engine’s capabilities, making the Lock Nut 107534 a crucial component in maintaining the integrity of these assemblies. The V28 engine is designed for versatility and efficiency, making the Lock Nut an essential part of its construction.

Role of Part 107534 Lock Nut in Engine Systems

The Part 107534 Lock Nut is a component in securing various engine system elements, ensuring stability and reliability in operation.

In the alternator system, the lock nut is utilized to firmly attach the alternator to its mounting bracket. This secure attachment is vital for maintaining the alternator’s alignment and ensuring it operates efficiently without undue vibration or movement. Additionally, the lock nut plays a role in securing the alternator link and the alternator support, contributing to the overall structural integrity of the alternator assembly.

For the freon compressor, the lock nut is employed in the mounting process, ensuring that the compressor remains fixed in place. This is particularly important for the freon compressor mounting, where stability is necessary to prevent leaks and ensure efficient cooling system performance.

The lock nut also finds its application in securing the alternator guard. By fastening the guard in place, it protects the alternator from external elements and potential damage, thereby enhancing the longevity and reliability of the alternator.

In the context of the starter motor support, the lock nut is used to secure the starter motor to its mounting point. This ensures that the starter motor remains in the correct position, allowing for consistent and reliable engine starts.

Overall, the Part 107534 Lock Nut plays a significant role in maintaining the structural integrity and operational efficiency of various engine components.

Conclusion

The Cummins 107534 Lock Nut is a critical component in the maintenance and operation of commercial trucks. Its robust design, compatibility with various Cummins engines, and role in securing critical engine components make it an indispensable part of truck maintenance. Proper installation, regular maintenance, and understanding its applications ensure the continued reliability and safety of truck operations.