199225
Screw
Cummins®

The 199225 Screw by Cummins is a specialized fastener designed for use in commercial truck maintenance and operation. This screw plays a significant role in ensuring the integrity and functionality of various components within commercial trucks. Understanding its purpose and significance is vital for maintaining the performance and reliability of these vehicles.

Basic Concepts of Screws

Screws are mechanical fasteners that convert rotational force into linear force, allowing them to secure components together. They are widely used in various mechanical assemblies due to their ability to provide strong, adjustable connections. Screws come in different types, sizes, and materials, each suited for specific applications based on the required strength, durability, and environmental resistance ¹.

Purpose of the 199225 Screw

This Cummins part is designed to play a specific role in the operation and maintenance of commercial trucks. It is used in areas where secure fastening is required to maintain the structural integrity and functionality of components. This screw is particularly important in applications where vibrations and dynamic loads are common, ensuring that parts remain firmly in place under various operating conditions ².

Key Features

The 199225 Screw boasts several unique attributes that enhance its performance and durability. It is made from high-quality materials, ensuring resistance to corrosion and wear. The screw features a specific thread type that provides optimal grip and holding power. Additionally, it may have special coatings or treatments that further improve its resistance to environmental factors, such as moisture and chemicals.

Benefits

Using the 199225 Screw offers several advantages. Its high-quality material composition and precise manufacturing ensure improved reliability and longevity. The screw’s design allows for ease of installation, reducing the time and effort required during maintenance procedures. Furthermore, its resistance to environmental factors helps protect it from corrosion and degradation, ensuring consistent performance over time.

Installation Guidelines

Proper installation of the 199225 Screw is crucial for ensuring optimal performance and longevity. Begin by cleaning the installation area to remove any dirt or debris. Use the appropriate tool to insert the screw, ensuring it is tightened to the manufacturer’s specified torque settings. Avoid over-tightening, as this can damage the screw or the surrounding components. Regularly check the screw’s tightness during initial use to prevent loosening.

Maintenance Tips

To prolong the life of the 199225 Screw, regular maintenance practices are recommended. Inspect the screw periodically for signs of wear, corrosion, or loosening. If any issues are detected, address them promptly to prevent further damage. Replace the screw if it shows significant wear or if it has become corroded. Keeping the installation area clean and free of contaminants will also help maintain the screw’s performance.

Troubleshooting Common Issues

Screws in commercial trucks can encounter various issues, such as loosening, corrosion, or damage. If a screw becomes loose, re-tighten it to the specified torque settings. For corroded screws, cleaning the affected area and applying a corrosion-resistant coating can help. In cases of significant damage, replace the screw with a new one to ensure the continued integrity of the assembly.

Cummins Corporation Overview

Cummins is a renowned corporation with a rich history in the automotive industry. Founded in 1919, Cummins has established itself as a leader in the design, manufacture, and distribution of engines, filtration, and power generation products. The company is committed to quality and innovation, providing reliable and high-performance solutions for a wide range of applications, including commercial trucks. Cummins’ dedication to excellence ensures that their products, like the 199225 Screw, meet the demanding requirements of the industry ³.

Cummins Screw Part 199225 in NH/NT 855 Engines

The Cummins screw part 199225 is an integral component in the NH/NT 855 engine series. This screw is designed to ensure precise assembly and functionality of various engine parts, contributing to the overall reliability and performance of the engine.

In the NH/NT 855 engines, the screw part 199225 is utilized in several critical areas. It is often employed in securing components such as engine covers, brackets, and other structural parts that require a robust fastening solution. The precision engineering of this screw ensures that it can withstand the high stresses and operational conditions within the engine environment.

The NH/NT 855 engines, known for their durability and efficiency, benefit from the use of high-quality components like the Cummins screw part 199225. This screw is manufactured to meet stringent quality standards, ensuring it provides the necessary strength and stability required for the engine’s operation.

The application of part 199225 in these engines highlights Cummins’ commitment to providing reliable and high-performance parts that enhance the functionality and longevity of the NH/NT 855 engines.

Role of Part 199225 Screw in Various Engine Systems

Part 199225 Screw is integral to the assembly and functionality of several key components within engine systems. Its applications span across various critical areas, ensuring the secure attachment and reliable operation of these components.

Brake Systems

In brake systems, Part 199225 Screw is utilized to fasten components that are essential for the modulation and application of braking force. This includes securing brake calipers to their mounts, ensuring that they remain firmly in place under the stress of braking. Additionally, it is used in the assembly of brake cylinders, where precise alignment and secure attachment are necessary to maintain brake fluid integrity and prevent leaks.

Engine Assemblies

Within the engine itself, Part 199225 Screw plays a significant role in maintaining the structural integrity of various subsystems. It is commonly employed in the attachment of engine covers and housings, ensuring that these components remain securely in place during operation. This screw is also vital in the assembly of engine mounts, where it helps to distribute engine vibrations and maintain alignment with the vehicle’s frame.

Control Systems

In control systems, Part 199225 Screw is used to secure sensors and actuators that are critical for engine management. This includes fastening throttle position sensors, which monitor the position of the throttle and send data to the engine control unit (ECU). Additionally, it is used in the attachment of various solenoids and valves that regulate fluid flow within the engine, ensuring precise control over engine functions.

Engine Brake Systems

For engine brake systems, Part 199225 Screw is essential in the assembly of components that enhance braking performance without relying solely on the vehicle’s friction brakes. It secures parts of the engine brake mechanism, such as the rocker arm housing and rocker lever housing, ensuring that these components function correctly under high loads and stresses. This screw also plays a role in the attachment of engine brake valves, which control the flow of exhaust gases to create a braking effect.

Rocker Arm and Lever Housings

In the context of rocker arm and lever housings, Part 199225 Screw ensures that these components are securely fastened to the engine block. This is vital for maintaining the precise operation of the valve train, which controls the opening and closing of engine valves. Secure attachment prevents misalignment and ensures that the rocker arms and levers operate within their designed parameters, contributing to overall engine efficiency and performance.

Conclusion

The 199225 Screw by Cummins is a critical component in the maintenance and operation of commercial trucks. Its high-quality materials, precise engineering, and resistance to environmental factors make it an essential part for ensuring the reliability and performance of various engine systems. Proper installation, regular maintenance, and prompt troubleshooting of common issues are key to maximizing the lifespan and effectiveness of this screw.