3643022
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3643022, is a component manufactured by Cummins, a leader in diesel engine production. This screw is significant in the context of heavy-duty trucks, where it is utilized for various fastening applications. Its design and functionality are tailored to meet the demanding requirements of truck mechanics, ensuring reliable performance in critical applications.

Basic Concepts

The Hexagon Flange Head Cap Screw is engineered with a hexagonal head, which allows for efficient torque application using standard tools. The flange feature provides additional surface area, enhancing the screw’s ability to distribute load and resist loosening. Typically constructed from high-strength materials, this screw is designed to withstand the rigors of heavy-duty truck environments. It functions by securely fastening components within the truck’s mechanical system, playing a role in maintaining structural integrity and operational efficiency ¹.

Purpose and Function

In the operation of a truck, the Hexagon Flange Head Cap Screw serves to secure various components, ensuring they remain firmly in place under dynamic conditions. Its role is pivotal in applications where vibration and mechanical stress are prevalent. By providing a stable connection between parts, it contributes to the overall durability and reliability of the vehicle ².

Key Features

The primary characteristics of the Hexagon Flange Head Cap Screw include its hexagonal head design, which facilitates easy and precise torque application. The flange feature enhances its performance by offering additional resistance to loosening, which is crucial in applications subjected to frequent vibration. Its cap screw functionality allows for a clean, countersunk finish when installed, reducing the risk of damage to connected components.

Benefits

Utilizing the Hexagon Flange Head Cap Screw in truck maintenance and assembly offers several advantages. Its design allows for improved torque application, ensuring components are securely fastened. The resistance to loosening provided by the flange feature enhances the screw’s reliability in dynamic environments. Additionally, its construction from durable materials ensures longevity under heavy-duty conditions, contributing to the overall efficiency and safety of the truck ³.

Installation and Usage

Proper installation of the Hexagon Flange Head Cap Screw involves adhering to recommended torque settings to ensure secure fastening without over-tightening, which could lead to damage. Best practices include using the correct tools for application and periodically checking the tightness of the screw to maintain secure connections. Common applications within truck components include fastening engine parts, securing body panels, and attaching various mechanical systems.

Troubleshooting and Maintenance

Identifying and resolving common issues with the Hexagon Flange Head Cap Screw may involve checking for signs of loosening or corrosion. Regular maintenance practices, such as periodic inspection and re-torquing, can prolong the lifespan of the screw and ensure continued reliable performance. Addressing any signs of wear or damage promptly is recommended to prevent potential failures.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and commitment to quality, Cummins has established itself as a trusted name in the automotive industry. Its expertise in diesel engine manufacturing and dedication to advancing technology underscore the reliability and performance of its products, including the Hexagon Flange Head Cap Screw.

Hexagon Flange Head Cap Screw 3643022 in Cummins Engines

The Hexagon Flange Head Cap Screw 3643022, manufactured by Cummins, is a critical component in several of their engine models. This screw is integral to the assembly and maintenance of the engines, ensuring secure fastening and structural integrity.

K19 Series

The K19 series engines, including the K19, QSK19 CM2350 K105, QSK19 CM2350 K114, and QSK19 CM500, utilize the 3643022 screw in various applications. This screw is often used in securing components that require a robust and reliable fastening solution, ensuring the engine’s longevity and performance.

K38 Series

In the K38 series engines, such as the K38, QSK38 CM2150 MCRS, and QSK38 CM850 MCRS, the 3643022 screw plays a pivotal role. It is commonly employed in the assembly of critical engine parts, providing the necessary strength and stability to withstand the operational stresses of these engines.

K50 Series

For the K50 engines, including the K50, QSK50 CM2150 MCRS, and QSK50 CM2350 K108, the 3643022 screw is used extensively. Its application in these engines ensures that the components are securely fastened, contributing to the overall reliability and efficiency of the engine.

QSK95 Series

The QSK95 series engines, such as the QSK95 CM2350 K111 and QSK95 CM2350 K113, also incorporate the 3643022 screw. This screw is vital in maintaining the structural integrity of these engines, ensuring that all components are properly secured and aligned.

QSK105 Series

The QSK105 engine, specifically the QSK105 CM2350 K105, utilizes the 3643022 screw in its assembly. This screw is essential for the secure fastening of various engine components, contributing to the engine’s overall performance and durability.

QSK114 Series

In the QSK114 engine, specifically the QSK114 CM2350 K114, the 3643022 screw is used to ensure that all critical components are securely fastened. This screw’s application in this engine model is crucial for maintaining the engine’s structural integrity and operational efficiency.

QSK500 Series

The QSK500 engine, specifically the QSK500 CM500, incorporates the 3643022 screw in its design. This screw is essential for the secure fastening of various engine components, ensuring that the engine operates reliably and efficiently.

QSK850 Series

In the QSK850 engines, including the QSK850 CM850 MCRS and QSK850 CM850 MCRS, the 3643022 screw is used to secure critical components. This screw’s application in these engines is vital for maintaining the engine’s structural integrity and ensuring its operational efficiency.

The 3643022 screw’s consistent use across these engine models underscores its importance in ensuring the engines’ reliability, performance, and longevity.

Understanding the Role of Part 3643022 Hexagon Flange Head Cap Screw in Engine Systems

Part 3643022, the Hexagon Flange Head Cap Screw, is an essential component in the assembly and securement of various engine system components. Its primary function is to provide a robust and reliable fastening solution that ensures the integrity and stability of the engine’s mechanical structure.

Alternator and Related Components

In alternator systems, the Hexagon Flange Head Cap Screw is utilized to secure the alternator to its bracket. This ensures that the alternator remains firmly in place, minimizing vibrations and ensuring efficient operation. Additionally, it is used in the alternator brace and bracket to maintain the structural rigidity necessary for consistent performance. The screw also plays a role in attaching the alternator guard, which protects the alternator from physical damage and environmental factors.

Crankcase Breather and Belt Guard Bracket

The crankcase breather system relies on the Hexagon Flange Head Cap Screw to secure the breather to the engine block. This connection is vital for maintaining the breather’s position and functionality, which is essential for regulating pressure within the crankcase. Similarly, the belt guard bracket, which protects the engine’s belts from debris and wear, is fastened using this screw to ensure it remains in the correct position.

Compressor and Damper Guards

For compressor guards and damper guard brackets, the Hexagon Flange Head Cap Screw provides the necessary tension and security to keep these guards in place. This is particularly important for the damper guard, where precise alignment and secure fastening are required to prevent damage to the damper and ensure smooth engine operation.

Front Engine and Vibration Isolator Bracket

In the front engine arrangement, this screw is employed to attach various components, including the front engine mounting and vibration isolator bracket. By securing these elements, the screw helps in reducing engine vibrations, which contributes to a smoother running engine and prolonged component lifespan.

Cover Plate and Support Structures

The Hexagon Flange Head Cap Screw is also integral in attaching cover plates and support structures within the engine system. These applications ensure that all protective covers and support frameworks are securely fastened, providing a stable environment for the engine’s internal components.

Conclusion

The Hexagon Flange Head Cap Screw, part number 3643022, is a versatile and reliable fastening solution that plays a significant role in the securement and stability of various engine system components. Its applications across different engine parts underscore its importance in maintaining the overall functionality and performance of the engine.