3819581
Hexagon Head Cap Screw
Cummins®

The Cummins 3819581 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. Its purpose is to provide secure fastening in various truck components and systems, contributing to the overall reliability and performance of the vehicle. Understanding the role and significance of this screw is important for maintaining and operating heavy-duty trucks effectively.

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 widely used in mechanical assemblies to secure components together. They are known for their strength and durability, making them suitable for applications that require a high level of reliability ².

Purpose of the Cummins 3819581 Hexagon Head Cap Screw

The Cummins 3819581 Hexagon Head Cap Screw plays a specific role in truck operations by securing various components and systems. It is commonly used in engine assemblies, transmission systems, and other critical areas where secure fastening is required. The screw helps maintain the integrity of these components, ensuring they function correctly under the demanding conditions of heavy-duty truck operation ¹.

Key Features

The Cummins 3819581 Hexagon Head Cap Screw features several key attributes that contribute to its functionality and durability. It is made from high-quality materials, typically steel, which provides strength and resistance to wear. The screw has a specific thread type that ensures a secure fit, and its hexagonal head design allows for efficient tightening and loosening with standard tools. These features make it a reliable choice for heavy-duty applications ².

Benefits

Using the Cummins 3819581 Hexagon Head Cap Screw offers several benefits. Its durable material composition and precise thread design enhance its longevity and reliability. The hexagonal head allows for easy installation and removal using common tools, reducing the time and effort required for maintenance tasks. Additionally, the screw’s design ensures a secure fastening, which is crucial for the safe and efficient operation of heavy-duty trucks ¹.

Installation and Usage

Proper installation of the Cummins 3819581 Hexagon Head Cap Screw is important to ensure secure fastening. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightness without over-tightening, which could damage the screw or the components being fastened. Using the appropriate wrench or socket will help apply the necessary torque accurately. Regular inspection and re-tightening, as needed, will maintain the screw’s effectiveness over time ².

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration or thermal expansion and corrosion in harsh environments. Regular maintenance, such as checking for tightness and signs of corrosion, can help identify and address these issues early. Applying an anti-seize compound during installation can reduce the risk of corrosion and make future removal easier. Replacing screws that show signs of wear or damage will help maintain the reliability of the fastening ¹.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to follow safety practices to avoid injury or damage to the truck. Use the correct tools to apply the specified torque, avoiding the use of excessive force that could strip the screw or damage the components. Wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injuries from flying debris or tool slippage. Always refer to the manufacturer’s guidelines for safe handling and installation practices ².

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines and related technologies, with a strong reputation for quality and innovation. Founded in 1919, the company has a long history of providing reliable and high-performance engine solutions for a variety of applications, including heavy-duty trucks. Cummins is committed to advancing technology and improving the efficiency and sustainability of its products, making it a trusted name in the automotive industry ¹.

Hexagon Head Cap Screw 3819581 in Cummins Engines

The Hexagon Head Cap Screw part number 3819581, manufactured by Cummins, is a critical component in various Cummins engine models. This part is designed to secure different parts within the engine assembly, ensuring structural integrity and proper function.

ISM Series Engines

The ISM CM570 and ISM CM570/870 engines utilize the 3819581 screw in several key areas. It is commonly used in the ISM CM570/870 engine for fastening components that require a robust connection, such as securing the engine block or other critical assemblies.

ISM11 Series Engines

In the ISM11 CM876 SN engine, the 3819581 screw is integral to maintaining the alignment and stability of various engine parts. This engine benefits from the screw’s precision and strength, ensuring that all connected parts remain tightly fastened under operational stress.

L10 Series Engines

The L10 CELECT and L10 MECHANICAL engines also incorporate the 3819581 screw. In these engines, the screw is used to secure components that are vital for the engine’s operational efficiency and durability. The precision of the screw is essential for maintaining the integrity of the engine’s structure.

M11 Series Engines

For the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL engines, the 3819581 screw plays a crucial role in fastening various parts. This screw is used in areas where high strength and reliability are paramount, such as securing the engine block or other critical assemblies.

QSM11 Series Engines

The QSM11 CM570 engine also utilizes the 3819581 screw. This engine model requires the screw for fastening components that need to withstand significant operational stresses, ensuring that all parts remain securely fastened and aligned.

Summary

The Hexagon Head Cap Screw part number 3819581 is a versatile and essential component across various Cummins engine models. Its application in the ISM, ISM11, L10, M11, and QSM11 series engines highlights its importance in maintaining the structural integrity and operational efficiency of these engines ¹.

Role of Part 3819581 Hexagon Head Cap Screw in Engine Systems

The part 3819581 Hexagon Head Cap Screw is integral in securing various components within engine systems, ensuring stability and efficient operation.

In the context of a damper, this screw plays a role in attaching the damper to its mounting points, which is essential for absorbing vibrations and ensuring smooth engine operation.

When it comes to vibration control, the screw helps in securing components that are designed to minimize unwanted vibrations, contributing to the overall stability of the engine.

In the flywheel system, the Hexagon Head Cap Screw is used to fasten the flywheel to the crankshaft, ensuring that the flywheel operates correctly to store rotational energy and smooth out the power delivery from the engine.

The flywheel housing relies on this screw to maintain the structural integrity of the housing, securing it firmly in place to prevent any misalignment or movement during operation.

In a flywheel kit housing, the screw is employed to assemble various components of the kit, ensuring that all parts are held together securely for optimal performance.

For the flywheel top-level assembly housing, the screw is critical in maintaining the assembly’s structural soundness, allowing for precise alignment and operation of the flywheel system.

In general housing applications, whether it be for the flywheel or other engine components, the Hexagon Head Cap Screw ensures that housings are securely attached, preventing any potential issues arising from loose fittings.

The flywheel RPTO (Remote Power Take-Off) system utilizes this screw to secure components that transfer power from the engine to auxiliary equipment, ensuring reliable and efficient power transmission.

Lastly, in the mounting flywheel scenario, the screw is essential for attaching the flywheel to its mounting bracket, guaranteeing that the flywheel is correctly positioned and operates within the designed parameters.

Overall, the part 3819581 Hexagon Head Cap Screw is a fundamental component in the assembly and securement of various engine system parts, playing a significant role in the functionality and reliability of the engine ².

Conclusion

The Cummins 3819581 Hexagon Head Cap Screw is a critical component in heavy-duty truck applications, providing secure fastening in various engine and system components. Its durable construction, precise design, and ease of use make it an essential part for maintaining the reliability and performance of heavy-duty trucks. Proper installation, regular maintenance, and adherence to safety practices are important to ensure the screw’s effectiveness and longevity.