3519535
Lock Nut
Cummins®

The Cummins 3519535 Lock Nut is a specialized fastener designed for use in commercial truck maintenance and operation. Its role is to provide secure fastening of components, ensuring that parts remain firmly in place under various operating conditions. This lock nut is integral to maintaining the integrity and safety of truck systems, contributing to efficient and reliable vehicle performance ¹.

Basic Concepts of Lock Nuts

Lock nuts are mechanical fasteners that prevent loosening due to vibration or rotation. They function by creating additional friction or deformation that holds the nut in place. Unlike standard nuts, which may loosen over time due to movement or vibrations, lock nuts incorporate features such as nylon inserts, deformed threads, or locking patches to enhance their holding power. These features make lock nuts suitable for applications where secure fastening is paramount ².

Purpose of the Cummins 3519535 Lock Nut

The Cummins 3519535 Lock Nut plays a specific role in the operation of commercial trucks by securely fastening components that are subject to vibration and movement. It is designed to maintain the integrity of fastenings in critical areas, ensuring that parts remain in place and function correctly. This lock nut contributes to the overall reliability and safety of the truck by preventing unintended loosening of fasteners ³.

Key Features

The Cummins 3519535 Lock Nut is characterized by several key features that enhance its performance and reliability. Its design includes a nylon insert that provides additional friction to prevent loosening. The material composition is chosen for durability and resistance to corrosion, ensuring long-term performance in harsh operating conditions. Additionally, the lock nut may feature a unique thread pattern or locking mechanism that further secures the fastening ¹.

Benefits of Using the Cummins 3519535 Lock Nut

Incorporating the Cummins 3519535 Lock Nut in truck maintenance offers several advantages. It provides improved security of fasteners, reducing the risk of loosening due to vibration. The lock nut’s resistance to corrosion ensures longevity, even in challenging environments. Furthermore, its design enhances the overall reliability of truck systems, contributing to safer and more efficient operation ².

Installation Guidelines

Proper installation of the Cummins 3519535 Lock Nut is crucial for optimal performance. Begin by ensuring the mating threads are clean and free of debris. Apply the recommended torque specifications to tighten the lock nut, taking care not to over-tighten, which could damage the threads or the lock mechanism. Follow best practices for thread engagement and use appropriate tools to ensure a secure fit ³.

Troubleshooting Common Issues

Common issues associated with lock nuts include loosening over time or damage due to improper installation. To address these problems, first, inspect the lock nut and mating threads for signs of wear or damage. If loosening is detected, re-tighten the lock nut to the specified torque and ensure proper engagement. In cases of damage, replacement of the lock nut may be necessary to maintain secure fastening ¹.

Maintenance Tips

Regular maintenance of the Cummins 3519535 Lock Nut is important to ensure continued performance. Inspect the lock nut at recommended intervals for signs of wear, corrosion, or loosening. Cleaning the threads and lock nut can prevent buildup that may affect performance. When considering replacement, follow manufacturer guidelines to ensure compatibility and proper function ².

Compatibility and Applications

The Cummins 3519535 Lock Nut is commonly used in various applications within commercial trucks. It is typically employed in systems where secure fastening is critical, such as in engine components, transmission systems, and chassis assemblies. Its compatibility with specific truck models and systems ensures that it meets the demands of commercial vehicle operations ³.

Cummins 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 vehicle, engine, and power generation markets. The company’s reputation for reliability and performance is built on a commitment to customer satisfaction and technological advancement.

Lock Nut 3519535 Compatibility with Cummins Engines

The Lock Nut 3519535, manufactured by Cummins, is a critical component used in various Cummins engine models. This part is designed to secure and stabilize threaded fasteners, ensuring they remain in place under operational stresses. Below is a detailed overview of the engines with which this lock nut is compatible:

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871
• ISX15 CM2250 SN

The ISX series engines, known for their high performance and reliability, utilize the Lock Nut 3519535 to maintain the integrity of their threaded connections. This ensures that critical components remain securely fastened, contributing to the overall durability and efficiency of the engine.

QSK Series Engines

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G
• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK45 CM500
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS

The QSK series engines, which are designed for heavy-duty applications, also incorporate the Lock Nut 3519535. This part is essential for maintaining the stability of threaded fasteners in these robust engines, ensuring they can withstand the rigors of demanding environments.

KTA Series Engines

• KTA19GC
• KTA19GC CM558
• KTA38GC CM558

KTA series engines, often used in marine and industrial applications, benefit from the use of the Lock Nut 3519535. This part helps to secure various components, contributing to the engine’s overall reliability and performance in critical applications.

Other Cummins Engines

• 6B5.9
• GTA38 G CMEICS G116C
• K19
• K38
• K50
• N14 MECHANICAL
• NH/NT 855

The Lock Nut 3519535 is also compatible with a range of other Cummins engines, including the 6B5.9, GTA38 G CMEICS G116C, K19, K38, K50, N14 MECHANICAL, and NH/NT 855. This part is integral to the secure fastening of components in these engines, ensuring they operate efficiently and reliably.

Role of Part 3519535 Lock Nut in Engine Systems

The part 3519535 Lock Nut is integral to the secure assembly and operation of various engine components. In the 4LGK Supercore system, it ensures that the core assembly remains firmly in place, preventing any unwanted movement that could lead to inefficiencies or damage.

For the Camshaft Mounting, the Lock Nut plays a significant role in maintaining the precise alignment of the camshaft, which is essential for the accurate timing of valve operations. This alignment is vital for the engine’s performance and longevity.

In the Connecting Rod and Piston assembly, the Lock Nut secures the connecting rod to the crankshaft, ensuring smooth and consistent power transmission from the pistons to the crankshaft. This is fundamental for the engine’s operational stability and power delivery.

The Core Assembly HC5A and Core Assembly Heat Exchanger85 benefit from the Lock Nut by ensuring that the core components are held in the correct position, allowing for optimal heat exchange and efficient operation of the system.

For the Core Turbocharger and related components such as the Heat Exchanger82 Core Assembly, Heat Exchanger82 Water Cooler Turbocharger, and Heat Exchanger83 Core Assembly, the Lock Nut is used to secure various parts, ensuring that the turbocharger operates within its designed parameters, enhancing performance and reliability.

In the context of EBM: Parts, Performance, and On Board Spares, the Lock Nut is utilized to secure critical components, ensuring that spare parts are ready for use without any risk of displacement or loss.

The Oil Control Valve and Oil Manifold assemblies rely on the Lock Nut to maintain the integrity of their connections, ensuring proper oil flow and pressure management within the engine.

For Overhaul Kits, Protective Covers, and Service Kits, the Lock Nut is often included to secure newly installed or repaired components, ensuring that the engine can be reassembled correctly and function as intended.

In the Rotor Heat Exchanger82 Assembly and various Turbocharger components, including the Turbocharger Core, Turbocharger Heat Exchanger80, Turbocharger Heat Exchanger82, and Turbocharger Kit, the Lock Nut is essential for securing parts that are subject to high stresses and temperatures, ensuring the turbocharger’s efficient and reliable operation.

Overall, the part 3519535 Lock Nut is a fundamental component in maintaining the structural integrity and operational efficiency of various engine systems.

Conclusion

The Cummins 3519535 Lock Nut is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design and features ensure secure fastening of components, contributing to the reliability and safety of vehicle systems. Proper installation, maintenance, and understanding of its role in engine systems are essential for optimal performance and longevity of the equipment.