3093826
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, specifically part #3093826 manufactured by Cummins, plays a significant role in commercial truck applications. This screw is designed to provide secure and reliable fastening in various truck components, contributing to the overall efficiency and safety of truck operations ¹.

Basic Concepts

The Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged design. The hexagonal head allows for easy installation and removal using a wrench, while the flange provides additional surface contact, enhancing the screw’s stability and resistance to loosening. In the automotive industry, these screws are commonly used in applications where strong and secure fastening is required, such as in engine components, chassis assemblies, and other critical truck parts ².

Purpose and Function

This Cummins part is integral to the assembly and maintenance of truck components. It ensures that parts are securely fastened, which is vital for the safe and efficient operation of commercial trucks. By providing a strong and stable connection, this screw helps maintain the structural integrity of truck components, reducing the risk of failure during operation ³.

Key Features

The 3093826 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance. The hexagonal head allows for easy access with a wrench, facilitating quick and efficient installation and removal. The flange provides additional surface contact, which helps distribute the load more evenly and reduces the risk of the screw loosening over time. The cap screw design ensures a strong and secure fastening, while the material properties and threading specifications are tailored to withstand the rigors of commercial truck applications.

Benefits

The 3093826 Hexagon Flange Head Cap Screw offers several benefits that contribute to the reliability and maintenance of truck components. Its design provides improved fastening security, making it resistant to vibration loosening—a common issue in heavy-duty applications. The ease of installation and removal also simplifies maintenance procedures, allowing for quicker turnaround times during repairs or inspections. These benefits help ensure that truck components remain in optimal condition, enhancing overall performance and safety.

Troubleshooting and Maintenance

To maintain the performance of the 3093826 Hexagon Flange Head Cap Screw, it is important to address common issues such as corrosion, stripping, or loosening. Regular inspections should be conducted to check for signs of wear or damage. If corrosion is detected, the affected area should be cleaned and treated to prevent further degradation. In cases of stripping, the screw may need to be replaced to ensure a secure fit. Additionally, periodic tightening of the screw can help maintain its effectiveness, especially in applications subject to frequent vibration or movement.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a rich history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the commercial truck industry. The company’s expertise in engine and component design ensures that its products, including the 3093826 Hexagon Flange Head Cap Screw, meet the high standards required for heavy-duty applications.

Cummins Engine Compatibility with Hexagon Flange Head Cap Screw Part 3093826

The Cummins part 3093826, a Hexagon Flange Head Cap Screw, is designed to fit a variety of Cummins engines, ensuring secure fastening in various applications. This part is integral to the assembly and maintenance of several engine models, providing a reliable connection between components.

Engine Compatibility

15N CM2380 M104B
This engine model benefits from the precision and strength of the Hexagon Flange Head Cap Screw, ensuring that critical components remain securely fastened.

6C8.3, B3.3, B6.7S, C GAS PLUS CM556
These engines utilize the part 3093826 for securing various parts, enhancing the overall durability and performance of the engine.

F2.8 CM2620 F135B, G8.3
The Hexagon Flange Head Cap Screw is a key component in these engines, providing the necessary stability and reliability for optimal engine operation.

ISB (Chrysler), ISB CM2150, ISB CM550, ISB CM850, ISB6.7 CM2250, ISB6.7 CM2350 B101, ISBE CM800
These ISB series engines incorporate the part 3093826 in their design, ensuring that all bolted connections are secure and reliable.

ISC CM2150, ISC8.3 CM2250, ISF2.8 CM2220 F117, ISF2.8 CM2220 F129, ISG11 CM2880 G108, ISG12 CM2880 G107, ISG12 G CMOH6.0 G111, ISL CM2150, ISL G CM2180, ISL9 CM2150 SN, ISL9 CM2250
The ISC, ISF, ISG, and ISL engines all utilize the part 3093826 for various applications, ensuring that all components are fastened securely and reliably.

The Hexagon Flange Head Cap Screw part 3093826 is a versatile and essential component in the assembly and maintenance of these Cummins engines, providing the necessary strength and stability for optimal performance.

Role of Part 3093826 Hexagon Flange Head Cap Screw in Engine Systems

Part 3093826, the Hexagon Flange Head Cap Screw, is integral to the assembly and securement of various engine components, ensuring their proper function and longevity. Here’s how it interfaces with specific engine systems:

Aftercooler

The Hexagon Flange Head Cap Screw is used to fasten the aftercooler to its mounting brackets, ensuring a secure and vibration-resistant connection. This is essential for maintaining the structural integrity of the aftercooler, which cools the compressed air from the turbocharger before it enters the engine cylinders.

Alternator Drive

In the alternator drive system, this screw secures the alternator to the engine block or mounting bracket. A firm attachment is necessary to prevent any movement that could disrupt the electrical output or cause mechanical failure.

Belt Guard Kit

For the belt guard kit, the Hexagon Flange Head Cap Screw is employed to attach the guard to the engine frame. This protects the belts from external contaminants and ensures they operate within a clean environment, reducing wear and tear.

Connecting Rod and Piston

While not directly involved in the assembly of the connecting rod and piston, the screw may be used in securing ancillary components that support the rod and piston, such as brackets or covers, ensuring they remain in optimal alignment.

Crankcase Breather Arrangement

The screw plays a role in attaching the crankcase breather to the engine block. This is important for maintaining proper ventilation within the crankcase, which helps in expelling moisture and contaminants.

Engine Control Module (ECM)

Although the ECM itself doesn’t require fastening screws, the Hexagon Flange Head Cap Screw may be used to secure the ECM housing or mounting bracket to the engine bay, ensuring it remains protected and properly positioned.

Exhaust Manifold

In the exhaust system, this screw is utilized to fasten the exhaust manifold to the engine block. A secure connection is vital to prevent exhaust leaks, which can lead to performance issues and increased emissions.

Exhaust Recirculation

For the exhaust recirculation system, the screw is used to attach the recirculation valve and associated plumbing to the engine. This ensures the system functions correctly by reintroducing a measured amount of exhaust gas back into the intake stream to reduce nitrogen oxides.

Fan Drive

The Hexagon Flange Head Cap Screw is essential in securing the fan drive mechanism to the engine. This ensures the cooling fan operates efficiently, maintaining optimal engine temperature.

Fuel Cleaner

In fuel systems, the screw is used to attach the fuel cleaner housing to the engine or fuel lines. This securement is important for the cleaner to effectively remove impurities from the fuel.

Fuel Control Module

Similar to the ECM, the fuel control module may be secured using this screw to ensure it remains in place and operates within the designed parameters.

Fuel Drain Plumbing

The screw is employed in securing fuel drain lines and fittings, ensuring there are no leaks and that the fuel system remains pressurized as needed.

Fuel Filter Location

At the fuel filter location, the Hexagon Flange Head Cap Screw is used to attach the filter housing to the engine or fuel lines, ensuring a leak-free connection.

Full Flow Oil Filter

This screw secures the full flow oil filter housing to the engine, ensuring it remains firmly in place during operation, which is critical for effective oil filtration.

Ignition System Arrangement

In ignition systems, the screw is used to fasten ignition components such as coils or distributors to the engine block, ensuring reliable spark delivery.

Injector Plumbing

For fuel injectors, the screw secures injector plumbing and fittings, ensuring a stable and leak-free fuel delivery system.

Intercooler Water Plumbing

In intercooler systems, the screw is used to attach water plumbing components, ensuring efficient cooling of the compressed air.

Oil Bypass Filter

The screw secures the oil bypass filter to the engine, ensuring it can effectively filter out contaminants that the full flow filter may miss.

Oil Pan Plumbing

For oil pan connections, the screw is used to secure plumbing fittings, ensuring a sealed and efficient oil circulation system.

Raw Water Pump

In marine engines, the screw is used to fasten the raw water pump to the engine, ensuring it can effectively circulate cooling water.

Starting Motor Mounting

The screw secures the starting motor to the engine, ensuring it can deliver the necessary torque to start the engine.

Thermostat Housing Arrangement

For the thermostat housing, the screw ensures a secure and leak-free connection, which is vital for maintaining proper engine temperature.

Turbocharger Arrangement

In turbocharger systems, the screw is used to attach the turbocharger to the engine, ensuring it remains securely in place during high-speed operation.

Valve Cover

The screw is commonly used to secure the valve cover to the engine block, ensuring a sealed environment for the valve train components.

Water Pump

Finally, the screw is used to fasten the water pump to the engine, ensuring it can effectively circulate coolant throughout the engine system.

Conclusion

The 3093826 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of Cummins engines, ensuring secure and reliable fastening across various engine systems. Its design and features contribute to the overall efficiency, safety, and performance of commercial trucks. Regular maintenance and proper use of this part are essential to ensure the longevity and reliability of truck components.