3280899
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3280899, is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is integral to the assembly and maintenance of various truck components, ensuring robust and reliable performance. Cummins is renowned for its high-quality engine and powertrain components, and the 3280899 screw is no exception, designed to meet the demanding requirements of commercial trucking applications ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using standard tools, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. Within mechanical systems, these screws play a role in securing components together, ensuring structural integrity and alignment ².

Purpose and Role in Truck Operation

The 3280899 Hexagon Flange Head Cap Screw is utilized in various applications throughout a truck’s structure and engine components. It is commonly employed in the fastening of engine covers, brackets, and other critical components where vibration resistance and secure attachment are paramount. The screw’s design ensures that it can withstand the dynamic loads and environmental conditions encountered in commercial trucking, contributing to the overall reliability and performance of the vehicle ³.

Key Features

The 3280899 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality and durability. Its hexagonal head design allows for straightforward installation and removal using common hand tools. The flange at the base of the screw provides additional bearing surface, which helps in distributing the load more evenly and preventing the screw from pulling through the material. Additionally, the screw is crafted from high-strength materials, ensuring it can endure the rigors of heavy-duty applications ⁴.

Benefits

The advantages of using the 3280899 Hexagon Flange Head Cap Screw include enhanced durability, superior resistance to vibration, and ease of installation. The screw’s robust construction and flange design contribute to its longevity, making it a reliable choice for critical fastening applications. Its resistance to vibration ensures that connections remain secure even under the harsh conditions typical of commercial trucking. Furthermore, the hexagonal head facilitates quick and efficient installation, reducing downtime during maintenance procedures ⁵.

Installation Process

Proper installation of the 3280899 Hexagon Flange Head Cap Screw involves several steps to ensure optimal performance and longevity. Begin by selecting the appropriate drill bit size to create a pilot hole, which aids in accurate screw placement and reduces the risk of splitting the material. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring that it is secure without over-tightening, which could lead to damage. It is also advisable to apply a thread locker to the screw threads to prevent loosening due to vibration ⁶.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and damage from over-tightening. Regular inspection and maintenance can help identify and address these problems early. If a screw appears loose, it should be re-tightened to the specified torque settings. Corrosion can be mitigated by applying a protective coating or using screws made from corrosion-resistant materials. In cases of damage, the affected screw should be replaced to maintain the integrity of the fastening ⁷.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to follow safety guidelines to prevent injury and ensure proper usage. Always wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against potential hazards. Use the correct tools for installation and removal to avoid damaging the screw or the surrounding material. Additionally, be mindful of the torque settings to prevent over-tightening, which can lead to stripped threads or component damage 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 innovation, quality, and reliability in the commercial truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding needs of commercial transportation. Cummins’ commitment to excellence is reflected in its high-quality fasteners, such as the 3280899 Hexagon Flange Head Cap Screw, which are engineered to deliver superior performance and durability in heavy-duty applications ⁹.

Compatibility with Cummins Engines

The 3280899 Hexagon Flange Head Cap Screw is compatible with a variety of Cummins engines, ensuring structural integrity and operational efficiency. Below is a detailed breakdown of its compatibility with different Cummins engine models:

15N CM2380 M104B, 4B3.9, 6B5.9, 6C8.3, B5.9 CM2670 B166C, B6.7 CM2670 B153B, B6.7 CM2670 B164C, C8.3 G

The 3280899 screw is compatible with the 15N CM2380 M104B engine, providing a secure fastening solution for various components. Similarly, it fits the 4B3.9, 6B5.9, and 6C8.3 engines, ensuring that critical parts remain tightly secured during operation. For the B5.9 CM2670 B166C, B6.7 CM2670 B153B, B6.7 CM2670 B164C, and C8.3 G engines, this screw is essential for maintaining the structural integrity of the engine’s components.

F3.8 CM2350 F120B, ISB4.5 CM2350 B104, ISB5.9 CM2880 B127, ISB5.9 CM2880 B149, ISB6.7 CM2250, ISB6.7 CM2350 B101

The 3280899 screw is also suitable for the F3.8 CM2350 F120B engine, providing a reliable fastening solution. It is equally compatible with the ISB4.5 CM2350 B104, ISB5.9 CM2880 B127, ISB5.9 CM2880 B149, ISB6.7 CM2250, and ISB6.7 CM2350 B101 engines. This ensures that all critical components are securely fastened, contributing to the overall performance and longevity of the engine.

ISC CM554, ISF3.8 CM2220 AN, ISF3.8 CM2350 F109, ISL CM554

The 3280899 screw fits the ISC CM554, ISF3.8 CM2220 AN, ISF3.8 CM2350 F109, and ISL CM554 engines. Its design allows for precise and reliable fastening, ensuring that the engine’s components remain securely in place under various operating conditions.

K38, K50

The 3280899 screw is also compatible with the K38 and K50 engines. Its robust design ensures that it can withstand the stresses associated with these engines, providing a dependable fastening solution.

QSB5.9 CM2880 B139, QSB6.7 CM2250, QSB6.7 CM2350 B105, QSC8.3 CM554

Finally, the 3280899 screw is suitable for the QSB5.9 CM2880 B139, QSB6.7 CM2250, QSB6.7 CM2350 B105, and QSC8.3 CM554 engines. Its compatibility with these engines ensures that all critical components are securely fastened, contributing to the engine’s overall performance and durability.

Role of Part 3280899 Hexagon Flange Head Cap Screw in Engine Systems

The part 3280899 Hexagon Flange Head Cap Screw is instrumental in securing and maintaining the integrity of various components within engine systems. Its application spans across multiple critical areas, ensuring that each component functions as intended under varying operational conditions.

Securing the Adjusting Link and Aid Mechanisms

In engine systems, the adjusting link and aid mechanisms require precise alignment and secure fastening to ensure optimal performance. The Hexagon Flange Head Cap Screw provides the necessary stability and resistance against vibrational forces, which are common in high-performance engines.

Air Heater Starting and Air Intake Connection

For systems involving air heater starting and air intake connections, the Hexagon Flange Head Cap Screw plays a significant role. It ensures that these components remain firmly in place, preventing any potential leaks or misalignments that could affect engine efficiency and performance.

Turbocharger Arrangement and Location

Turbochargers demand secure mounting to withstand the high pressures and temperatures they operate under. The Hexagon Flange Head Cap Screw is often used in turbocharger arrangements and locations to maintain the structural integrity of the turbocharger and its associated components, such as the breather and crankcase connections.

Exhaust Outlet and Coolant Heater Kit

The exhaust outlet and coolant heater kit are additional areas where the Hexagon Flange Head Cap Screw is vital. It ensures that these components are securely fastened, which is essential for maintaining the engine’s thermal management and exhaust system efficiency.

Fuel Pump and Filter Connections

In fuel systems, the Hexagon Flange Head Cap Screw is used to secure fuel pump and filter connections. This is important for maintaining the integrity of the fuel plumbing and ensuring a consistent fuel supply to the engine.

Injector Plumbing and Manifold Connections

For injector plumbing and manifold connections, the Hexagon Flange Head Cap Screw provides the necessary fastening strength. This is crucial for maintaining the precise fuel-air mixture required for efficient combustion.

Engine Control Module and Alternator Mounting

The engine control module and alternator require stable mounting to function correctly. The Hexagon Flange Head Cap Screw ensures that these components are securely attached, contributing to the overall reliability and performance of the engine system.

Oil Pan and Plumbing Connections

Finally, in oil systems, the Hexagon Flange Head Cap Screw is used to secure the oil pan and various plumbing connections. This ensures that the lubrication system remains intact, which is vital for reducing friction and wear within the engine.

Overall, the Hexagon Flange Head Cap Screw is a versatile fastener that enhances the reliability and performance of various engine components by providing secure and stable connections ¹⁰.

Conclusion

The 3280899 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of Cummins engines. Its robust design, compatibility with various engine models, and versatile applications make it an indispensable part in ensuring the structural integrity and performance of commercial truck engines. Proper installation, regular maintenance, and adherence to safety guidelines are essential to maximize the benefits of this Cummins part.