4009482
Hexagon Head Cap Screw
Cummins®

The Cummins Hexagon Head Cap Screw, part number 4009482, is a specialized fastener designed for use in commercial trucks. Cummins, a prominent name in the commercial truck industry, manufactures this screw to meet the demanding requirements of heavy-duty applications. This part is significant in the context of commercial trucks due to its role in securing various components, ensuring the structural integrity and reliable operation of the vehicle.

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 efficient 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 under vibration and stress, which is particularly important in the dynamic environment of a commercial truck ¹.

Purpose of the 4009482 Hexagon Head Cap Screw in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck systems, including the engine, transmission, and chassis, to secure critical components. Its applications range from fastening engine covers to securing brackets and other structural elements, contributing to the overall stability and performance of the truck ².

Key Features of the 4009482 Hexagon Head Cap Screw

The design and construction features of the 4009482 Hexagon Head Cap Screw contribute to its functionality and durability. It is made from high-strength materials, typically alloy steel, which provides the necessary tensile strength for heavy-duty applications. The screw features a coarse thread type that allows for quick and secure fastening. Its hexagonal head design ensures easy and efficient tightening with standard tools, reducing installation time and effort ³.

Benefits of Using the 4009482 Hexagon Head Cap Screw

This Cummins part offers several advantages that enhance its performance in heavy-duty applications. Its high strength ensures it can withstand significant loads and stresses. The material composition provides excellent corrosion resistance, which is vital for longevity in harsh operating environments. Additionally, the screw’s design allows for ease of installation, making it a practical choice for both original equipment manufacturers and maintenance professionals ⁴.

Installation and Usage Guidelines

Proper installation of the 4009482 Hexagon Head Cap Screw is crucial for ensuring its effectiveness. It should be installed using the appropriate torque specifications to achieve the correct clamping force without over-tightening, which could damage the screw or the components being fastened. Recommended tools include a torque wrench and a socket or wrench that fits the hexagonal head. Following the manufacturer’s guidelines for installation will help maintain the screw’s integrity and performance ⁵.

Troubleshooting Common Issues

Common problems associated with Hexagon Head Cap Screws include loosening due to vibration and corrosion from exposure to the elements. To address loosening, it may be necessary to re-torque the screw or apply a thread locker to enhance its resistance to vibration. Corrosion can be mitigated by selecting screws with a suitable coating or material that offers enhanced resistance to the specific environmental conditions the truck operates in ⁶.

Maintenance Tips

To ensure the longevity and reliable performance of the 4009482 Hexagon Head Cap Screw, periodic inspections are recommended. These should include checking for signs of corrosion, wear, or loosening. Re-torquing the screw at recommended intervals can help maintain the proper clamping force. Additionally, keeping the screw and surrounding areas clean and free of debris will contribute to its longevity ⁷.

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 spanning over a century, Cummins has established a strong reputation for quality and reliability in the commercial truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of heavy-duty applications. The 4009482 Hexagon Head Cap Screw is a testament to Cummins’ commitment to providing high-quality, reliable components for the commercial truck market ⁸.

Cummins Hexagon Head Cap Screw 4009482 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 4009482 is a critical component in various engine applications, ensuring secure fastening and structural integrity. This screw is integral to the assembly and maintenance of engines, providing reliable performance and durability.

QSK19G Engine

In the QSK19G engine, the 4009482 screw is utilized in several key areas. It is often employed in the engine’s mounting system, securing the engine to the chassis or foundation. This ensures that the engine remains stable and aligned during operation, reducing the risk of mechanical failure due to vibrations or misalignment.

Additionally, the screw is used in the engine’s internal components, such as fastening various brackets and covers. This helps maintain the engine’s internal structure, protecting sensitive parts from damage and ensuring efficient operation.

The use of the 4009482 screw in the QSK19G engine highlights its importance in maintaining the engine’s overall performance and longevity. Its robust design and high-quality material make it a reliable choice for critical fastening applications within the engine.

Role of Part 4009482 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 4009482 Hexagon Head Cap Screw is instrumental in ensuring the secure fastening of various components. This screw is commonly employed in the attachment of the aftercooler to the engine structure. The aftercooler, a vital component in turbocharged engines, cools the compressed air from the turbocharger before it enters the engine’s combustion chambers. Secure fastening is essential here to maintain the integrity of the cooling process and to prevent any air leaks that could compromise engine performance.

Furthermore, the 4009482 Hexagon Head Cap Screw is utilized in the arrangement of the turbocharger within the engine bay. The turbocharger, which compresses the intake air to increase engine efficiency and power, requires precise and robust mounting. This screw ensures that the turbocharger is held firmly in place, allowing it to operate within specified tolerances and contributing to the overall stability and performance of the engine system.

Additionally, this screw plays a role in the secure attachment of various engine components that are part of the overall engine arrangement. Its application extends to fastening brackets, supports, and other structural elements that are essential for the engine’s operation and durability. The reliability of the 4009482 Hexagon Head Cap Screw in these applications underscores its importance in maintaining the structural integrity and operational efficiency of engine systems.

Conclusion

The Cummins Hexagon Head Cap Screw, part number 4009482, is a vital component in the assembly and maintenance of commercial truck engines. Its robust design, high-quality materials, and ease of installation make it an essential part for securing various engine components, ensuring the structural integrity and reliable operation of the vehicle. Proper installation, maintenance, and periodic inspections are crucial to maximize the performance and longevity of this part in heavy-duty applications.

References