3967286
Hexagon Head Cap Screw
Cummins®

The Cummins Part #3967286 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. It plays a significant role in truck maintenance and operation by securely fastening various components together. This screw is integral to ensuring the structural integrity and reliable performance of truck assemblies.

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 common tools such as wrenches or sockets. These screws are widely used in mechanical assemblies to secure components together, providing a strong and durable connection. The hexagonal head design ensures that the screw can be driven with precision, reducing the risk of slippage and damage to the screw or the surrounding material ¹.

Purpose of the Cummins Part #3967286 Hexagon Head Cap Screw

The Cummins Part #3967286 Hexagon Head Cap Screw serves a specific role in the operation and maintenance of commercial trucks. It is used in various truck components where a secure and durable fastening solution is required. This screw helps in maintaining the structural integrity of truck assemblies, ensuring that components remain firmly in place under operational stresses. Its applications range from engine components to chassis parts, contributing to the overall reliability and performance of the truck ².

Key Features

The Cummins Part #3967286 Hexagon Head Cap Screw boasts several key features that enhance its functionality and durability. It is made from high-quality materials, typically a grade of steel that offers excellent strength and corrosion resistance. The screw features a coarse thread type, which provides a strong grip and secure fastening. The hexagonal head design allows for easy installation and removal using standard tools, ensuring convenience and efficiency in maintenance procedures ³.

Benefits

Using the Cummins Part #3967286 Hexagon Head Cap Screw offers several benefits. Its high-quality material composition ensures enhanced durability, making it resistant to wear and corrosion. The reliable fastening provided by the coarse thread type ensures that components remain securely in place, reducing the risk of failure during operation. Additionally, the hexagonal head design allows for easy use with common tools, simplifying installation and maintenance processes.

Installation and Usage

Proper installation of the Cummins Part #3967286 Hexagon Head Cap Screw is crucial for ensuring a secure fit. It is recommended to follow torque specifications provided by the manufacturer to achieve the correct tightening force. Using the appropriate wrench or socket, the screw should be tightened until it reaches the specified torque value. It is important to avoid over-tightening, as this can lead to damage to the screw or the surrounding material. Regular inspection and maintenance can help ensure that the screw remains in good condition and continues to provide reliable performance.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws, such as loosening or corrosion, can be addressed through proper troubleshooting and maintenance. If a screw appears loose, it should be re-tightened to the specified torque value. Corrosion can be prevented by applying a protective coating or using screws made from corrosion-resistant materials. Regular inspection of screws during maintenance checks can help identify any issues early, allowing for timely intervention and prolonging the lifespan of the screw.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a rich history of providing reliable and high-performance products, Cummins has established a strong reputation among truck operators and maintenance professionals. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, all designed to enhance the performance and reliability of commercial trucks. Cummins’ dedication to excellence is evident in its rigorous testing and quality control processes, ensuring that each product meets the highest standards of durability and performance.

Role of Part 3967286 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3967286 Hexagon Head Cap Screw serves as a fundamental fastening element, ensuring the secure attachment of various components. This screw is instrumental in maintaining the structural integrity and operational efficiency of the engine.

Integration with Control Mechanisms

The Hexagon Head Cap Screw is commonly used in the assembly of control mechanisms within engine systems. Specifically, it plays a significant role in securing the control unit, which is responsible for regulating various engine functions. By providing a robust connection, this screw ensures that the control unit remains firmly in place, allowing for precise and reliable operation.

Application in Manual Throttle Lever Systems

In manual throttle lever systems, the Hexagon Head Cap Screw is employed to fasten the manual throttle lever. This lever is essential for adjusting the engine’s speed and power output. The screw’s hexagonal head allows for easy tightening and loosening, ensuring that the lever can be securely attached and adjusted as needed without the risk of slippage or detachment.

Securing the Throttle Valve

The throttle valve, a key component in controlling the airflow into the engine, also benefits from the use of the Hexagon Head Cap Screw. This screw is used to secure the throttle valve in its housing, ensuring that it operates smoothly and efficiently. A properly fastened throttle valve is vital for maintaining consistent engine performance and responsiveness.

Fuel Shutoff Valve Assembly

In fuel systems, the Hexagon Head Cap Screw is utilized in the assembly of the fuel shutoff valve. This valve is critical for safely stopping the flow of fuel to the engine when necessary. The screw ensures that the valve components are held together securely, preventing any leaks or malfunctions that could compromise engine safety and performance.

Lever and Valve Connections

Additionally, the Hexagon Head Cap Screw is often found in the connections between various levers and valves within the engine system. These connections require a fastening solution that can withstand the vibrations and stresses of engine operation. The screw’s design provides the necessary strength and reliability to maintain these critical connections.

Conclusion

In summary, the Cummins part 3967286, a Hexagon Head Cap Screw, is a versatile and essential component in the assembly and maintenance of engine systems. Its role in securing control units, manual throttle levers, throttle valves, and fuel shutoff valves underscores its importance in ensuring the overall functionality and reliability of the engine.