4975799
Hexagon Head Cap Screw
Cummins®

Introduction

The Cummins 4975799 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. Its purpose is to securely fasten various components within the truck’s engine and chassis systems. The significance of this screw lies in its ability to provide reliable and durable connections that can withstand the demanding conditions encountered in heavy-duty trucking.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for easy tightening and loosening using a wrench or socket. These screws are commonly used in mechanical assemblies to secure components together. They function by creating a strong, threaded connection that resists loosening due to vibration and other dynamic forces ¹.

Purpose of the Cummins 4975799 Hexagon Head Cap Screw

The Cummins 4975799 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of heavy-duty trucks. It is utilized in various application areas within the truck, including engine components, chassis assemblies, and other critical systems. This screw ensures that parts remain securely fastened, contributing to the overall reliability and performance of the vehicle.

Key Features

The Cummins 4975799 Hexagon Head Cap Screw boasts several key features that enhance its performance and durability. It is composed of high-strength materials, typically alloy steel, which provides excellent resistance to wear and corrosion. The screw features a fine thread type, allowing for precise adjustments and secure fastening. Additionally, its unique design elements, such as a chamfered end for easy insertion and a corrosion-resistant coating, further contribute to its reliability in demanding environments.

Benefits

Using the Cummins 4975799 Hexagon Head Cap Screw offers several benefits. Its high-strength material composition ensures improved reliability, making it suitable for heavy-duty applications. The screw’s design allows for ease of installation, reducing downtime during maintenance procedures. Furthermore, its resistance to wear and corrosion enhances the longevity of the fastener, providing continued reliable performance over time.

Installation and Usage

Proper installation techniques are crucial to ensure the optimal performance of the Cummins 4975799 Hexagon Head Cap Screw. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force. Using the appropriate tools, such as a torque wrench, ensures accurate and consistent installation. Additionally, it is important to inspect the screw and mating surfaces for any damage or debris before installation to maintain the integrity of the connection.

Troubleshooting and Maintenance

Common issues that may arise with Hexagon Head Cap Screws include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues promptly. If loosening is detected, re-tightening the screw to the specified torque is recommended. Additionally, applying a thread locker or anti-seize compound can further enhance the screw’s resistance to loosening and corrosion. Proper maintenance practices, such as keeping the screw and surrounding areas clean and free from contaminants, contribute to prolonging its lifespan and ensuring continued reliable performance.

Manufacturer Information - Cummins

Cummins Inc. is a renowned manufacturer in the heavy-duty truck industry, known for its high-quality components and reliable performance. With a rich history spanning several decades, Cummins has established itself as a trusted name among professionals in the field. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, catering to the diverse needs of heavy-duty truck operators. Cummins components, like the 4975799 Hexagon Head Cap Screw, are valued for their durability, precision engineering, and compatibility with various truck models, making them a preferred choice for maintenance and repair professionals ².

Cummins Hexagon Head Cap Screw 4975799 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 4975799 is a critical component in several Cummins engine models, ensuring secure fastening and structural integrity. This part is integral to the assembly and maintenance of the following engines:

QST30 Engines

• QST30 CM2350 T101
• QST30 CM552

In the QST30 series, the Hexagon Head Cap Screw 4975799 is used in various applications where robust fastening is required. This includes securing engine components, ensuring that parts remain tightly fastened under operational stresses. The precision and strength of this screw are vital for maintaining the engine’s operational efficiency and longevity.

The use of this screw in these engines highlights its importance in the overall assembly process, where it plays a role in connecting and stabilizing different parts of the engine. Its design and material properties ensure that it can withstand the high temperatures and pressures typical of engine environments ³.

Role of Part 4975799 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 4975799 Hexagon Head Cap Screw serves as a fundamental fastening component, ensuring the secure attachment of various parts. Its application spans across multiple engine components, contributing to the overall stability and functionality of the system.

Integration with the Pump

Within the pump assembly, the 4975799 Hexagon Head Cap Screw is utilized to fasten the pump housing to its mounting bracket. This secure attachment is essential for maintaining the pump’s alignment and operational efficiency. The screw’s hexagonal head allows for precise torque application, ensuring that the pump operates within its specified parameters without undue stress on the housing or bracket.

Application in the Water System

In the water system of an engine, the 4975799 Hexagon Head Cap Screw plays a significant role in securing the water pump to the engine block. This connection is vital for the efficient circulation of coolant throughout the engine, preventing overheating and ensuring optimal performance. The screw’s design facilitates easy installation and removal, which is beneficial during maintenance or repair procedures.

The 4975799 Hexagon Head Cap Screw’s role in these engine components underscores its importance in maintaining the structural integrity and operational efficiency of the engine system. Its reliable performance under varying conditions makes it a preferred choice for fastening critical engine parts.

Conclusion

The Cummins 4975799 Hexagon Head Cap Screw is a vital component in the assembly and maintenance of heavy-duty truck engines. Its robust design, high-strength material composition, and precise engineering ensure reliable and durable fastening in demanding environments. Proper installation and maintenance practices are essential to maximize the performance and longevity of this screw, contributing to the overall reliability and efficiency of the vehicle.