3284022
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3284022, is a component manufactured by Cummins, a prominent name in the heavy-duty truck industry. This screw is integral to various applications within heavy-duty trucks, ensuring secure fastening and reliable performance under demanding conditions.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. Within a truck’s mechanical system, this screw plays a role in securing various components, contributing to the overall structural integrity and functionality of the vehicle ¹.

Purpose and Role

The 3284022 Hexagon Flange Head Cap Screw serves to fasten and secure critical components within a truck’s mechanical system. Its applications range from attaching engine parts to securing chassis elements. By providing a robust connection, this screw helps maintain the alignment and integrity of these components, ensuring they function as intended under the stress of heavy-duty operations ².

Key Features

Several key features distinguish the Hexagon Flange Head Cap Screw. Its hexagonal head design allows for straightforward installation and removal using common tools, enhancing efficiency during maintenance procedures. The flange beneath the head serves to distribute the load more evenly across the surface, reducing the risk of the screw pulling through the material. Additionally, the screw is typically made from high-strength materials, ensuring durability and resistance to wear and tear in demanding environments ³.

Benefits

Using the Hexagon Flange Head Cap Screw offers several advantages. The design of the screw provides enhanced security, ensuring that fastened components remain firmly in place even under significant stress. Its resistance to vibration helps maintain a secure connection over time, reducing the need for frequent re-tightening. Furthermore, the ease of installation and removal facilitates quicker maintenance procedures, contributing to overall efficiency.

Installation and Usage

Proper installation of the Hexagon Flange Head Cap Screw is vital for optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level without over-tightening, which could lead to damage. Utilizing the correct tools for installation, such as a torque wrench, helps achieve the desired level of tightness and security.

Troubleshooting and Maintenance

Common issues with the Hexagon Flange Head Cap Screw may include loosening over time due to vibration or corrosion. Regular inspection during maintenance checks can help identify any signs of wear or loosening. If corrosion is detected, cleaning the affected area and applying a suitable anti-corrosive treatment can help prevent further degradation. In cases where the screw shows significant wear or damage, replacement with a new screw is advisable to maintain the integrity of the fastened components.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the heavy-duty truck industry. The company’s extensive product range and commitment to customer satisfaction have made it a trusted name among professionals in the field.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3284022

The Cummins part number 3284022, a Hexagon Flange Head Cap Screw, is designed to fit seamlessly with a variety of Cummins engines. This precision-engineered screw is integral to the assembly and maintenance of these engines, ensuring secure fastening and reliable performance.

Compatible Engines

• 4B3.9
• B4.5
• ISB CM2150
• ISC CM850
• ISL9 CM2150 SN
• ISX CM870
• QSB3.9 30 CM550
• QSB6.7 M CM2250

Grouping by Engine Series

ISB Series:

• ISB CM2150
• ISL9 CM2150 SN

The ISB series engines benefit from the use of the 3284022 screw in various applications, including securing components within the engine block and ensuring the integrity of critical assemblies.

ISC Series:

• ISC CM850

The ISC series engines also utilize the 3284022 screw, particularly in areas where high torque and durability are essential for maintaining engine performance and longevity.

ISX Series:

• ISX CM870

The ISX series engines incorporate the 3284022 screw in several key locations, ensuring that all fastened components remain securely in place under the demanding conditions these engines operate.

QSB Series:

• QSB3.9 30 CM550
• QSB6.7 M CM2250

The QSB series engines, both the 3.9 and 6.7 variants, use the 3284022 screw in various applications, from securing engine covers to fastening internal components, ensuring the engines’ structural integrity and operational efficiency.

This screw’s compatibility across these diverse engine models underscores its versatility and importance in Cummins’ engine assembly and maintenance processes.

Role of Part 3284022 Hexagon Flange Head Cap Screw in Engine Systems

The part 3284022 Hexagon Flange Head Cap Screw is integral to the secure assembly and operation of various engine components. Its robust design ensures reliable fastening in high-stress environments, contributing to the overall efficiency and durability of the engine system.

Turbocharger Arrangement

In turbocharger arrangements, the Hexagon Flange Head Cap Screw secures critical components such as the turbocharger housing to the engine block. This ensures that the turbocharger operates within specified tolerances, maintaining optimal performance and efficiency. The screw’s flange head provides additional surface area for distribution of clamping force, reducing the risk of loosening under high vibrations.

Air Intake and Exhaust Recirculation

For the air intake system, this screw is used to mount intake manifolds and associated components. It ensures a tight seal, preventing air leaks that could affect engine performance. Similarly, in exhaust recirculation air systems, the screw secures recirculation valves and pipes, ensuring they remain in place and function correctly to reduce emissions.

Refrigerant Compressor

In systems involving a refrigerant compressor, the Hexagon Flange Head Cap Screw is employed to attach the compressor to its mounting bracket. This secure attachment is vital for maintaining the compressor’s alignment and operational integrity, especially in high-RPM environments.

Oil Pan and Plumbing

The screw plays a significant role in the assembly of the oil pan, ensuring it is firmly attached to the engine block. This is essential for maintaining the structural integrity of the oil pan and preventing oil leaks. Additionally, in plumbing applications, it secures oil lines and refrigerant pipes, ensuring they remain intact under pressure.

Thermostat Housing

In thermostat housings, the Hexagon Flange Head Cap Screw ensures a secure fit, which is essential for maintaining the integrity of the cooling system. A properly secured thermostat housing prevents coolant leaks and ensures consistent engine temperature regulation.

Mounting and Connection Points

Across various mounting and connection points within the engine, this screw provides a reliable fastening solution. Whether securing the engine to the chassis or attaching auxiliary components, its design ensures a strong and durable connection.

Conclusion

The Hexagon Flange Head Cap Screw, part 3284022, serves as a fundamental component in the assembly and secure operation of multiple engine systems, enhancing both performance and reliability. Its compatibility with a wide range of Cummins engines underscores its versatility and importance in heavy-duty truck maintenance and operation.