3093350
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, specifically Part #3093350 by Cummins, is designed for heavy-duty truck applications. Cummins, a prominent manufacturer in the automotive and heavy-duty truck industries, produces this screw to meet the demanding requirements of commercial vehicles. This screw is integral to ensuring the reliability and performance of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient torque application using standard tools, while the flange provides additional surface area for load distribution and prevents the screw from being driven too far into the material ¹. In mechanical systems, these screws are used to secure components together, ensuring structural integrity and proper function.

Purpose and Role in Truck Operation

The 3093350 Hexagon Flange Head Cap Screw plays a specific role in the operation of commercial trucks by securing various components. It is commonly used in applications where high tensile strength and resistance to loosening are required. This includes fastening engine components, transmission parts, and chassis assemblies. Its design ensures that critical parts remain securely attached under the dynamic conditions experienced by heavy-duty trucks ².

Key Features

The 3093350 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening. The flange at the base of the screw head provides additional contact area, which helps in distributing the load more evenly and prevents the screw from sinking into the material. Additionally, the screw is manufactured from high-quality materials, ensuring durability and resistance to corrosion, which is vital for long-term performance in harsh operating environments ³.

Benefits

Using the 3093350 Hexagon Flange Head Cap Screw offers several benefits. Its robust design enhances the durability of the fastened components, contributing to the overall reliability of the truck. The flange feature improves load distribution, reducing the risk of component failure. Furthermore, the hexagonal head allows for straightforward installation and removal, making maintenance procedures more efficient.

Installation Process

Proper installation of the 3093350 Hexagon Flange Head Cap Screw is crucial for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise security. It is also advisable to apply a thread locker to prevent the screw from loosening over time due to vibrations.

Troubleshooting and Maintenance

Common issues with the 3093350 Hexagon Flange Head Cap Screw may include loosening due to vibrations or corrosion. Regular inspections should be conducted to ensure screws remain tight and show no signs of corrosion. If corrosion is detected, the affected screws should be replaced, and anti-corrosive treatments should be applied to the mating surfaces. Additionally, ensuring that all screws are torqued to the correct specifications during installation can prevent many issues.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has built a reputation for innovation, quality, and reliability. The company offers a wide range of products for various industries, including automotive, heavy-duty trucks, and industrial applications. Cummins’ commitment to excellence is reflected in its extensive product line and the trust it has earned from customers worldwide.

Cummins Engine Part 3093350: Hexagon Flange Head Cap Screw

The Cummins part number 3093350, a Hexagon Flange Head Cap Screw, is a critical component used across various Cummins engine models. This part is integral to the assembly and maintenance of several engine types, ensuring secure fastening and structural integrity.

QSB7 CM2880 B117 and QSC8.3 CM850 (CM2850)

In the QSB7 CM2880 B117 and QSC8.3 CM850 (CM2850) engines, the Hexagon Flange Head Cap Screw is utilized in various applications where a robust and reliable fastening solution is required. This includes securing engine components, brackets, and other structural elements, ensuring that the engine operates smoothly and efficiently.

QSC9 CM2250/QSL9 CM2250

For the QSC9 CM2250 and QSL9 CM2250 engines, the part 3093350 plays a crucial role in maintaining the integrity of the engine’s assembly. Its use in these engines is particularly important in areas where high-strength fastening is necessary to withstand the operational stresses and torques.

QSK78 CM500

In the QSK78 CM500 engine, the Hexagon Flange Head Cap Screw is employed in critical fastening applications. This part’s design ensures that it can handle the demanding conditions of the engine’s operation, providing a secure and reliable connection between various components.

QST30 CM2350 T101 and QST30 CM552

The QST30 CM2350 T101 and QST30 CM552 engines also benefit from the use of the part 3093350. This screw is used in applications where precision and durability are paramount, ensuring that the engine’s components remain securely fastened under operational loads.

Role of Part 3093350 Hexagon Flange Head Cap Screw in Engine Systems

The Hexagon Flange Head Cap Screw, identified by part number 3093350, is a versatile fastener utilized in various engine systems to ensure secure and reliable connections. Its application spans across multiple components, contributing to the overall integrity and performance of the engine.

Aftercooler

In the aftercooler system, the Hexagon Flange Head Cap Screw is employed to fasten components that facilitate the cooling of compressed air. This ensures that the connections remain tight, preventing any potential leaks that could compromise the efficiency of the cooling process.

Breather

For the breather system, this screw plays a role in securing components that allow for the release of pressure and contaminants from the crankcase. Proper fastening is essential to maintain the breather’s functionality, ensuring that the engine operates within optimal conditions.

Crankcase

Within the crankcase, the Hexagon Flange Head Cap Screw is used to secure various components, including the breather system connections and other critical parts. This helps in maintaining the structural integrity of the crankcase, which is vital for the engine’s overall performance.

Connection Points

At various connection points throughout the engine, such as those between the air crossover and the manifold, this screw ensures that all components are securely fastened. This is particularly important in maintaining the airtight seals necessary for efficient engine operation.

Air Crossover

In the air crossover system, the screw is utilized to fasten components that direct airflow between different parts of the engine. Secure connections here are essential for maintaining consistent airflow, which directly impacts engine performance.

Filter Assemblies

Both the full flow oil filter and the air intake filter assemblies benefit from the use of the Hexagon Flange Head Cap Screw. It ensures that these filters are securely mounted, allowing for effective filtration of oil and air, respectively, which is crucial for engine longevity.

Lubricating Oil System

Within the lubricating oil system, this screw is used to fasten components that facilitate the distribution of oil throughout the engine. Secure connections in this system are vital for ensuring that all moving parts receive adequate lubrication, reducing wear and tear.

Housing Components

For housing components, such as those enclosing the flywheel or turbocharger, the Hexagon Flange Head Cap Screw provides the necessary fastening strength. This ensures that these housings remain intact under the high stresses and temperatures they encounter.

Flywheel

In the flywheel system, the screw is used to secure components that contribute to the smooth operation of the engine. Proper fastening here ensures that the flywheel can effectively store and release energy, contributing to the engine’s consistent performance.

Manifold

The manifold system relies on this screw to secure connections that direct airflow into the engine cylinders. Secure fastening in this area is essential for maintaining the correct air-fuel mixture, which is critical for combustion efficiency.

Plumbing

In the plumbing system, the Hexagon Flange Head Cap Screw is used to fasten components that transport fluids throughout the engine. This ensures that all connections are leak-free, maintaining the integrity of the fluid transport system.

Turbocharger

Finally, in the turbocharger system, this screw is employed to secure components that contribute to the increased airflow into the engine. Secure connections here are vital for ensuring that the turbocharger operates efficiently, enhancing engine performance.

Conclusion

The 3093350 Hexagon Flange Head Cap Screw by Cummins is a critical component in heavy-duty truck and engine applications. Its robust design, ease of installation, and resistance to corrosion make it an essential fastener for ensuring the reliability and performance of various truck and engine components. Proper installation and maintenance of this screw are vital for optimal engine operation and longevity.