3397506
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #3397506, is a component manufactured by Cummins, a renowned name in the automotive and heavy-duty truck industry. This screw is integral to the assembly and maintenance of commercial trucks, ensuring the secure fastening of various components. Cummins, with its long-standing reputation for quality and innovation, produces this screw to meet the demanding requirements of truck operations ¹.

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 tightening and loosening using a wrench or socket, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material. Within mechanical systems, these screws play a role in securely joining components, ensuring structural integrity and reliable performance ².

Purpose and Role in Truck Operation

This Cummins part is designed to fulfill specific roles in the operation of a truck. It is commonly used in applications where secure fastening is required, such as in the attachment of engine components, chassis parts, and various brackets. The screw’s design ensures that it can withstand significant loads and vibrations, which are common in truck operations, thereby contributing to the overall reliability and safety of the vehicle ³.

Key Features

The 3397506 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for easy and precise tightening using standard tools. The flange beneath the head provides additional bearing surface, which helps in distributing the load and preventing the screw from embedding into the material. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring long-lasting performance in demanding environments.

Benefits

This part offers several benefits that make it a preferred choice for truck applications. Its design enhances fastening security, providing a robust connection between components. The screw’s resistance to vibration helps maintain its integrity over time, reducing the need for frequent replacements. Furthermore, the ease of installation and removal using standard tools simplifies maintenance procedures, saving time and labor costs.

Installation and Usage

Proper installation of the 3397506 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct tension without overtightening, which could damage the screw or the surrounding material. Best practices include cleaning the installation area to remove any debris or contaminants that could affect the screw’s performance. Additionally, using a torque wrench can help achieve consistent and accurate tightening.

Troubleshooting and Maintenance

Common issues associated with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and wear. Regular inspections can help identify these issues early. Troubleshooting tips include checking for proper torque during installation, ensuring the screw is made from corrosion-resistant materials, and replacing screws that show signs of wear or damage. Maintenance practices such as applying anti-seize compound can also prolong the lifespan of the screw and ensure continued reliable performance.

Manufacturer - Cummins

Cummins is a well-established manufacturer with a strong reputation in the automotive and heavy-duty truck industry. The company has a history of innovation and commitment to quality, producing a wide range of components that meet the rigorous demands of commercial vehicles. Cummins’ dedication to research and development ensures that their products, including the 3397506 Hexagon Flange Head Cap Screw, are designed to deliver reliable performance and durability in various applications.

Compatibility with Cummins Engines

The Cummins Hexagon Flange Head Cap Screw, part number 3397506, is a versatile component designed to fit a variety of Cummins engines. This screw is integral in securing various parts and assemblies within the engine, ensuring structural integrity and operational efficiency. Below is a detailed description of its compatibility with specific Cummins engines:

Compatibility with Specific Engine Models

• 15N Series Engines: 15N CM2380 M104B, 6B5.9, B3.3, B4.5 CM2350 B129B, B6.7 CM2350 B135B, B6.7 G CMOH6.0 B125, D4.0 CM2620 D103B
• F Series Engines: F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2620 F137B, F4.5 CM2620 F139B, F4.5 CM2620 F141C
• ISB Series Engines: G8.3, ISB (Chrysler), ISB CM2150, ISB CM550, ISB CM850, ISB/ISD4.5 CM2150 B119, ISB/ISD6.7 CM2150 SN, ISB4.5 CM2350 B104, ISB5.9 CM2880 B110, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISB6.7 G CM2180 B118, ISBE CM2150

This comprehensive compatibility ensures that the 3397506 screw can be used across a broad spectrum of Cummins engines, providing a reliable and consistent fastening solution.

Role of Part 3397506 Hexagon Flange Head Cap Screw in Engine Systems

The 3397506 Hexagon Flange Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function.

• Air Fuel Mixer: Secures components that regulate the mixture of air and fuel, contributing to efficient combustion.
• Air Transfer Connection: Secures parts that facilitate the movement of air within the engine system, ensuring smooth operation.
• Auxiliary Cooling Vent: Attaches components that aid in dissipating heat, maintaining optimal engine temperature.
• Electronic Control Module Wiring Harness and Electronic Module Wiring Harness: Secures connections, ensuring reliable electrical conductivity.
• Engine Control Module Mounting: Attaches the module securely to the engine, ensuring it remains in place and functions correctly.
• Engine Oil Cooler: Fastens components that help in cooling the engine oil, prolonging its life and ensuring efficient operation.
• Exhaust Recirculation: Secures parts that recirculate exhaust gases, reducing emissions and improving engine efficiency.
• Fuel Control Module: Attaches components that regulate fuel delivery, ensuring precise control over fuel injection.
• Fuel Drain Plumbing: Secures parts that facilitate the draining of fuel, ensuring safety and maintenance ease.
• Fuel Filter Location: Fastens the fuel filter, ensuring it remains securely in place for effective filtration.
• Fuel Pump: Secures components that deliver fuel from the tank to the engine, ensuring consistent fuel supply.
• Fuel Supply Plumbing: Attaches parts that transport fuel, ensuring a reliable fuel delivery system.
• Hardware 12V Valve/Electric Kit and Hardware 24V Valve/Electric Kit: Secures electrical components, ensuring stable and efficient operation.
• HHP 12V VLV/ELEC and HHP 24V VLV/ELEC: Fastens components that control valve operations, ensuring precise and reliable valve function.
• Long Block and Long Block Kit: Secures various components, ensuring the structural integrity of the engine block.
• Multiple Key-Off Kit: Secures parts that facilitate engine shutdown procedures, ensuring safety and efficiency.
• Oil Replenishing System: Attaches components that maintain optimal oil levels, ensuring engine lubrication.
• Performance Parts: Secures high-performance components, ensuring they remain in place and function effectively.
• Refrigerant Compressor Mounting: Attaches the compressor, ensuring it remains securely in place.
• Turbocharger Coolant Plumbing: Secures parts that cool the turbocharger, ensuring it operates within optimal temperature ranges.
• Valve Cover: Fastens the cover, ensuring it remains securely in place and protects the valve components.

Conclusion

The 3397506 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of Cummins engines. Its robust design, compatibility with a wide range of engine models, and key features make it an essential part for ensuring the structural integrity and reliable performance of truck engines. Proper installation, regular maintenance, and understanding its role in various engine systems are vital for maximizing the lifespan and efficiency of this Cummins part.