S224
Heavy Hexagon Nut
Cummins®

Introduction

The Cummins Heavy Hexagon Nut (S224) is a specialized fastener designed for heavy-duty truck applications. It ensures secure and reliable connections for various engine and system components, withstanding demanding conditions to maintain assembly integrity and performance.

Basic Concepts

A heavy hexagon nut, characterized by its hexagonal shape, allows for efficient tightening and loosening with a wrench or socket. In mechanical applications, these nuts secure bolts and threaded components, distributing clamping force evenly to prevent loosening due to vibration or dynamic forces.

Purpose and Role in Truck Operation

The S224 nut is designed to secure critical components in heavy-duty trucks, commonly used where high clamping force and vibration resistance are required. It maintains the structural integrity and performance of engine components, transmission systems, and other critical assemblies under demanding conditions.

Key Features

The S224 nut features a robust design with a high-strength alloy steel composition, enhancing durability and resistance to wear and corrosion. Its hexagonal shape allows for easy tightening, while chamfered edges and precise thread pitch ensure a secure fit. Additional features may include a locking mechanism to prevent loosening, further enhancing reliability in heavy-duty applications.

Benefits

Using the S224 nut offers several advantages, including improved fastener security, reduced risk of loosening due to vibration, and resistance to corrosion and wear. Its ability to maintain a strong and stable connection enhances the overall performance and reliability of critical truck components.

Installation Considerations

Proper installation of the S224 nut is crucial for optimal performance and safety. Techniques should include using the appropriate wrench or socket to achieve specified torque, ensuring the nut is tightened to the correct clamping force without over-tightening. Best practices involve cleaning mating surfaces to remove debris and periodic inspection and re-torqueing to maintain fastening integrity.

Troubleshooting and Maintenance

Common issues with the S224 nut may include loosening due to vibration or corrosion. Regular inspection and maintenance practices, such as re-torquing to specified values, cleaning and inspecting mating surfaces, and replacing worn or corroded nuts, help prolong service life and ensure continued reliability of critical truck components.

Safety Precautions

When working with the S224 nut, it is important to observe safety measures to protect personnel and equipment. This includes wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses, using correct tools and techniques to avoid damage, and maintaining a clean and organized work environment to prevent accidents.

Cummins Overview

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 committed to quality and innovation in the automotive industry. The company’s product range includes various engines and components designed for heavy-duty applications, reflecting Cummins’ dedication to providing reliable and high-performance solutions for its customers.

Cummins Engine Compatibility with S224 Heavy Hexagon Nut

The S224 Heavy Hexagon Nut is integral to various Cummins engine configurations, ensuring secure fastening and stability.

4B3.9, 6B5.9, 6C8.3, B3.9 G, G5.9, G8.3, G855, G855 CM558

These engines utilize the S224 nut to maintain structural integrity and smooth operation.

GTA38 G CMEICS G116C

This engine relies on the S224 nut to secure various parts, contributing to its robust design and performance.

ISB CM550, ISC CM554, ISL CM554

These engines feature the S224 nut for maintaining alignment and stability of critical components.

K19, K38, K50

The K-Series engines integrate the S224 nut in their design for secure fastening of all parts.

KTA19GC, KTA19GC CM558, KTA38GC CM558

These engines use the S224 nut for structural integrity and performance.

L10 CELECT, L10 GAS, L10 MECHANICAL

The L10 series engines incorporate the S224 nut for secure fastening of components.

M11 CELECT PLUS, M11 MECHANICAL

The M11 series engines utilize the S224 nut for structural integrity and performance.

N14 CELECT PLUS, N14 G

The N14 series engines incorporate the S224 nut for secure fastening of parts.

Role of Part S224 Heavy Hexagon Nut in Engine Systems

The S224 nut is integral to securing various components within engine systems, ensuring stability and proper function. It is used in fastening the air filter to its housing, attaching critical components in conversion kits, securing heater elements in engine heater mounting systems, and ensuring leak-free connections in fuel supply tubes and fuel tubing. In electronic systems, it fastens sensors and actuators, and in structural components, it provides the necessary strength to withstand vibrational forces. It also secures safety-critical applications and ensures accurate readings and monitoring system integrity.

Conclusion

The S224 Heavy Hexagon Nut by Cummins plays a crucial role in the reliability and performance of heavy-duty truck engines and systems. Its robust design, high-strength material, and precise engineering ensure secure fastening and stability under demanding conditions. Proper installation, maintenance, and safety precautions are essential to maximize the benefits of this part, contributing to the overall efficiency and safety of heavy-duty truck operations.