3628194
Hexagon Head Cap Screw
Cummins®

Introduction

The Cummins 3628194 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck components. Its purpose is to provide secure fastening in various mechanical assemblies, ensuring the integrity and reliability of truck operations. This screw is significant due to its role in maintaining the structural and functional stability of critical truck components ¹.

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 widely used in mechanical assemblies to secure components together. They function by creating a strong, durable connection that can withstand significant stress and vibration, which is particularly important in heavy-duty applications ².

Purpose and Role in Truck Operation

The Cummins 3628194 Hexagon Head Cap Screw plays a specific role in heavy-duty trucks by securing various components that are subject to high stress and vibration. It ensures that parts remain firmly attached, which is vital for the safe and efficient operation of the truck. This screw contributes to the overall maintenance of truck components by providing a reliable fastening solution that can endure the demanding conditions of heavy-duty use ³.

Key Features

The Cummins 3628194 Hexagon Head Cap Screw is crafted from high-quality materials, typically a durable alloy steel, to ensure strength and longevity. It features a coarse thread type, which provides excellent holding power. Unique design elements, such as a chamfered underside and a fully threaded shank, enhance its functionality by facilitating easy installation and ensuring a secure fit.

Benefits

The Cummins 3628194 Hexagon Head Cap Screw offers several benefits, including exceptional durability, resistance to vibration, and ease of installation and removal. Its robust material composition ensures it can withstand the rigors of heavy-duty use, while its design features simplify the fastening process and reduce the risk of damage during installation.

Installation and Usage

Proper installation of the Cummins 3628194 Hexagon Head Cap Screw involves using the correct tools, such as a torque wrench, to achieve the specified torque settings. This ensures that the screw is tightened to the appropriate level, providing a secure connection without over-tightening, which could lead to damage. Recommended tools include a socket wrench for initial tightening and a torque wrench for final adjustments.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws may include loosening due to vibration or corrosion. Troubleshooting steps involve inspecting the screw and surrounding components for signs of wear or damage, tightening as necessary, and applying an anti-seize compound to prevent future corrosion. Regular maintenance, such as periodic inspection and re-tightening, helps ensure the longevity and optimal performance of the screw.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to observe safety practices such as wearing appropriate personal protective equipment (PPE), using the correct tools to avoid damage, and ensuring that screws are installed within specified parameters to maintain structural integrity. Proper handling and storage of screws also contribute to safety and performance.

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 spanning over a century, Cummins is renowned for its commitment to quality and innovation. The company produces a wide range of components, including the 3628194 Hexagon Head Cap Screw, which is part of its extensive portfolio of reliable and high-performance parts for heavy-duty applications.

Hexagon Head Cap Screw 3628194 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 3628194 is a critical component in several Cummins engine models. This screw is designed to provide secure fastening in various engine applications, ensuring the integrity and stability of engine components.

G855 and GTA38 G CMEICS G116C

In the G855 and GTA38 G CMEICS G116C engines, the 3628194 screw is used to fasten critical engine parts, ensuring that they remain securely in place under operational stresses. This screw’s design allows for precise torque application, which is essential for maintaining the alignment and functionality of engine components.

K19, K38, K50

For the K19, K38, and K50 engines, the 3628194 screw plays a vital role in securing various engine assemblies. Its robust construction and precise threading ensure that engine parts are fastened tightly, reducing the risk of loosening over time. This is particularly important in high-stress environments where engine components are subjected to significant forces.

KTA38GC CM558

In the KTA38GC CM558 engine, the 3628194 screw is utilized in several key areas to maintain the structural integrity of the engine. Its use in fastening critical components helps to ensure that the engine operates smoothly and efficiently, with minimal risk of part failure due to loosening.

QSK19 CM850 MCRS

The QSK19 CM850 MCRS engine also benefits from the use of the 3628194 screw. This screw is employed in various applications within the engine to secure parts that are subject to high stress and vibration. Its design ensures that these parts remain tightly fastened, contributing to the overall reliability and performance of the engine.

By incorporating the 3628194 Hexagon Head Cap Screw into these engine models, Cummins ensures that the engines maintain their structural integrity and operational efficiency. This screw’s design and material properties make it an essential component in the assembly and maintenance of these engines.

Role of Part 3628194 Hexagon Head Cap Screw in Engine Systems

Part 3628194, the Hexagon Head Cap Screw, is integral to the secure assembly and operation of various engine components. Its application spans across multiple systems, ensuring the stability and functionality of the engine.

Crankcase and Breather Systems

In the crankcase breather arrangement, the Hexagon Head Cap Screw is utilized to fasten the breather to the crankcase. This secure attachment is essential for maintaining the integrity of the breather system, which is responsible for venting crankcase vapors. The screw ensures that the breather remains firmly in place, preventing any potential leaks that could affect engine performance.

Heat Shield and Base Part Assemblies

The heat shield, which protects nearby components from excessive heat, is often mounted using Hexagon Head Cap Screws. These screws provide a robust connection between the heat shield and the base part, ensuring that the shield remains in the correct position to effectively dissipate heat. Similarly, in base part assemblies, these screws are used to secure various components, contributing to the overall structural integrity of the engine.

Valve and Rocker Systems

Within the valve and rocker systems, Hexagon Head Cap Screws play a significant role in mounting and securing components. They are used to attach the rocker housing cover to the valve mounting cover, ensuring a tight and secure fit. This is vital for maintaining the precise alignment and operation of the valve train, which is essential for engine efficiency and performance.

Oil Pan and Noise Panel Mounting

The oil pan, a critical component for storing and circulating engine oil, is often secured to the engine block using Hexagon Head Cap Screws. These screws ensure that the oil pan remains firmly attached, preventing any oil leaks that could lead to engine damage. Additionally, in oil pan/noise panel mounting, these screws are used to secure the noise panel, which helps in reducing engine noise and vibration.

Electronic Control Module Wiring and Harness

In the electronic control module (ECM) wiring and harness arrangements, Hexagon Head Cap Screws are employed to secure the ECM to its mounting location. This ensures that the ECM remains stable and protected, allowing for reliable operation of the engine’s electronic systems.

Ignition System

Within the ignition system, these screws are used to mount various components, ensuring that the ignition system remains securely in place. This is important for the consistent and reliable operation of the engine’s ignition process.

Conclusion

Overall, the Hexagon Head Cap Screw (Part 3628194) is a versatile and essential component in the assembly and secure operation of various engine systems. Its role in fastening and securing critical components contributes to the engine’s overall performance and reliability.