3935190
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3935190, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is significant in the realm of truck maintenance due to its robust design and reliable performance. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of commercial truck operations ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flange beneath the head. The hexagonal head allows for efficient tightening and loosening using a wrench, while the flange provides a larger bearing surface that helps distribute the load more evenly. In a truck’s mechanical system, this screw serves to securely fasten components together, ensuring structural integrity and reliable operation ².

Purpose and Role in Truck Operation

The 3935190 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is required. This includes, but is not limited to, engine components, chassis parts, and other critical assemblies. Its design ensures that components remain firmly attached, even under the stress of heavy-duty operations ³.

Key Features

The 3935190 Hexagon Flange Head Cap Screw boasts several key features that contribute to its effectiveness and durability. Its hexagonal head design allows for precise and efficient tightening, while the flange beneath the head provides additional stability and load distribution. The screw is crafted from high-quality materials, ensuring resistance to corrosion and wear, which are common challenges in the commercial truck environment ⁴.

Benefits

Utilizing the 3935190 Hexagon Flange Head Cap Screw in truck maintenance offers several benefits. The design of the screw enhances fastening security, reducing the risk of components loosening over time. Its resistance to vibration makes it suitable for the dynamic environment of a commercial truck. Additionally, the ease of installation and removal facilitates quicker maintenance procedures, contributing to overall efficiency ⁵.

Installation and Usage

Proper installation of the 3935190 Hexagon Flange Head Cap Screw is vital to ensure a secure fit. It is recommended to use the appropriate torque settings specified by the manufacturer to avoid over-tightening or under-tightening. Best practices include cleaning the mating surfaces before installation and periodically checking the tightness of the screw to maintain optimal performance ⁶.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening due to vibration or corrosion. Troubleshooting steps involve checking for proper torque and inspecting for signs of wear or damage. Maintenance tips to prolong the lifespan of the screw include regular inspection and replacement if necessary, as well as applying a suitable anti-corrosion treatment ⁷.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to observe safety considerations to prevent accidents. This includes using the correct tools for installation and removal, storing screws in a dry and secure location to prevent corrosion, and following all safety guidelines provided by the manufacturer to ensure compliance with safety standards ⁸.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company’s extensive product range and commitment to excellence make it a preferred choice for truck components, including the 3935190 Hexagon Flange Head Cap Screw ⁹.

Hexagon Flange Head Cap Screw (Part 3935190) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3935190, is a critical component in several Cummins engine models. This part is designed to secure various engine components, ensuring stability and integrity during operation.

Application in Specific Engine Models

6C8.3, QSB4.5 CM2250 EC, QSB6.7 CM2250, QSB6.7 CM850 (CM2850)

In these engines, the 3935190 screw is often used to fasten critical parts such as the valve cover, timing cover, and other structural components. Its flange head design provides a larger bearing surface, distributing the load more evenly and preventing damage to the mating parts.

QSB7 CM2880 B117

For the QSB7 CM2880 B117 engine, the 3935190 screw plays a vital role in securing the engine’s internal and external components. Its robust construction ensures that it can withstand the high stresses and torques encountered in this engine model.

Common Usage Across Models

Across these engine models, the 3935190 screw is utilized in various applications, including:

• Valve Cover Fastening: Ensuring a secure seal to prevent oil leaks.
• Timing Cover Attachment: Maintaining the alignment and integrity of the timing mechanism.
• Structural Integrity: Providing stability to various engine components, contributing to the overall durability of the engine.

The consistent use of this screw across multiple engine models highlights its importance in maintaining the structural integrity and operational efficiency of Cummins engines ¹⁰.

Role of Part 3935190 Hexagon Flange Head Cap Screw in Engine Systems

Part 3935190, the Hexagon Flange Head Cap Screw, is integral to the assembly and secure operation of various engine components. Its design allows for a robust connection that can withstand the dynamic forces and vibrations inherent in engine operation.

Air Intake Connection

In the air intake system, the Hexagon Flange Head Cap Screw is used to fasten the air intake connection securely. This ensures that the connection remains airtight, preventing any leaks that could affect engine performance. The screw’s flange head provides additional surface area for torque application, enhancing the stability of the connection.

Fan and Fan Support

When integrating the fan and fan support into the engine assembly, the Hexagon Flange Head Cap Screw plays a significant role. It secures the fan to its support structure, ensuring that the fan operates efficiently without wobbling. This stability is essential for maintaining consistent airflow over the engine, which is vital for cooling and overall performance.

Intake Connection Mounting

For the intake connection mounting, the Hexagon Flange Head Cap Screw ensures that the intake system is firmly attached to the engine block or manifold. This secure attachment is necessary to maintain the integrity of the air pathway into the engine, ensuring optimal air-fuel mixture and combustion efficiency.

Drive Connection

In applications where a drive connection is present, such as in accessory drives or ancillary systems, the Hexagon Flange Head Cap Screw provides the necessary tension and alignment. This is particularly important in systems where precise movement and operation are required, such as in timing belts or pulleys.

Overall, the Hexagon Flange Head Cap Screw (Part 3935190) is a versatile fastener that enhances the reliability and performance of various engine components by ensuring secure and stable connections ¹¹.

Conclusion

The 3935190 Hexagon Flange Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, reliable performance, and key features make it an essential fastener for securing various engine components. Proper installation, regular maintenance, and adherence to safety guidelines are crucial for maximizing the lifespan and effectiveness of this screw. Cummins’ commitment to quality and innovation ensures that this part meets the demanding requirements of commercial truck operations, contributing to the overall reliability and efficiency of the vehicles.