3093804
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3093804, is a component manufactured by Cummins, a well-regarded name in the heavy-duty truck industry. This screw is integral to the assembly and maintenance of heavy-duty trucks, ensuring secure fastening and reliable performance under demanding conditions.

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 to distribute load and prevent the screw from sinking into softer materials. In a truck’s assembly, this screw plays a role in securing various components, ensuring they remain firmly in place despite vibrations and dynamic loads.

Purpose and Role in Truck Operation

The 3093804 Hexagon Flange Head Cap Screw is designed to play a specific role in the operation and maintenance of heavy-duty trucks. It is used to fasten critical components, ensuring they remain securely attached during operation. This screw is often found in applications where high tensile strength and resistance to loosening are required, such as in engine mounts, chassis components, and other structural assemblies.

Key Features

The 3093804 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and reliability. Its hexagonal head design allows for easy and precise tightening using common tools, reducing the risk of damage to the screw or surrounding components. The flange at the base of the screw provides additional stability, preventing it from pulling through the material it is securing. Additionally, the screw is typically made from high-strength materials, ensuring it can withstand the rigors of heavy-duty truck operation.

Benefits

Using the 3093804 Hexagon Flange Head Cap Screw offers several benefits. Its design enhances durability, making it suitable for applications where the fastener is subjected to significant stress and vibration. The flange feature provides resistance to loosening, ensuring that components remain securely fastened over time. Furthermore, the screw’s design allows for ease of installation, reducing downtime during maintenance procedures.

Installation Process

Proper installation of the 3093804 Hexagon Flange Head Cap Screw is vital to ensure optimal performance and longevity. 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, avoiding over-tightening which can lead to stripping or damage. It is also important to periodically check the screw’s tightness, especially in applications where vibrations are prevalent.

Troubleshooting and Maintenance

Common issues with the 3093804 Hexagon Flange Head Cap Screw may include loosening over time or corrosion in harsh environments. Regular inspection and maintenance can help identify these issues early. If corrosion is detected, consider using a corrosion-resistant coating or replacing the screw with a material better suited to the environment. Replacement should be considered if the screw shows signs of significant wear or damage, ensuring continued reliability and safety.

Cummins Overview

Cummins is a renowned manufacturer in the heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation among fleet operators and maintenance professionals. Their dedication to advancing technology and maintaining high standards ensures that their products, like the 3093804 Hexagon Flange Head Cap Screw, meet the demanding requirements of heavy-duty applications.

Hexagon Flange Head Cap Screw 3093804 in Cummins Engines

The Cummins part 3093804, a Hexagon Flange Head Cap Screw, is a critical component in various Cummins engines. This part is designed to secure different parts and assemblies within the engine, ensuring structural integrity and operational efficiency. Here is how it fits into the specified engines:

6C8.3

In the 6C8.3 engine, the 3093804 screw is used to fasten components that require a robust and reliable connection. Its flange head design provides a large surface area for torque application, ensuring that the fastened parts remain securely in place under operational stresses.

ISBE CM800

For the ISBE CM800 engine, this screw is integral in securing various engine components, including those in the exhaust system and other critical assemblies. The flange head allows for easy access and tightening, which is crucial for maintenance and repair operations.

ISF2.8 CM2220 F129

In the ISF2.8 CM2220 F129 engine, the 3093804 screw is utilized in several key areas, such as the cylinder head and other high-stress components. Its design ensures that these parts are held firmly, contributing to the overall durability and performance of the engine.

ISM CM570

The ISM CM570 engine employs the 3093804 screw in various applications, including the fastening of engine blocks and other structural components. The screw’s ability to withstand high torque and stress makes it an ideal choice for these critical applications.

L10 GAS

In the L10 GAS engine, this screw is used to secure components that are exposed to significant mechanical forces. Its design ensures that these parts remain tightly fastened, contributing to the engine’s overall reliability and longevity.

QSC8.3 CM850 (CM2850)

For the QSC8.3 CM850 (CM2850) engine, the 3093804 screw is used in several key areas, including the fastening of engine blocks and other critical assemblies. Its flange head design allows for easy and efficient tightening, which is essential for maintenance and repair operations.

QSC9 CM2250 / QSL9 CM2250

In both the QSC9 CM2250 and QSL9 CM2250 engines, the 3093804 screw is used to secure various components, including those in the exhaust system and other high-stress areas. Its design ensures that these parts remain securely fastened, contributing to the engine’s overall performance and durability.

QSK60 G CM2358 K110

For the QSK60 G CM2358 K110 engine, this screw is used in several critical applications, including the fastening of engine blocks and other structural components. Its ability to withstand high torque and stress makes it an ideal choice for these applications.

QST30 CM552

In the QST30 CM552 engine, the 3093804 screw is used to secure various components, including those in the exhaust system and other high-stress areas. Its design ensures that these parts remain securely fastened, contributing to the engine’s overall performance and durability.

Role of Part 3093804 Hexagon Flange Head Cap Screw in Engine Systems

The part 3093804 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in securing various components within engine systems. Its design allows for efficient torque transfer and secure mounting, making it an essential element in the assembly and maintenance of engine parts.

Aftercooler

In the aftercooler system, the Hexagon Flange Head Cap Screw is used to attach the aftercooler to its mounting brackets. This ensures that the aftercooler remains firmly in place, allowing for optimal cooling of the compressed air before it enters the engine.

Alternator Mounting

For alternator mounting, this screw is employed to secure the alternator to the engine block or mounting bracket. Proper fastening is vital to ensure the alternator operates efficiently and maintains a stable electrical supply to the engine’s electrical systems.

Electronic Control Module Wiring Harness

The Hexagon Flange Head Cap Screw is utilized in securing the electronic control module (ECM) wiring harness to the engine compartment. This helps in maintaining the integrity of the electrical connections, ensuring reliable communication between the ECM and various engine components.

Engine Mounting Plate

When it comes to the engine mounting plate, this screw plays a key role in attaching the plate to the engine block and the vehicle’s frame. This secure attachment is essential for absorbing vibrations and ensuring the engine remains stable during operation.

Fan Drive

In fan drive systems, the Hexagon Flange Head Cap Screw is used to fasten the fan drive to the engine. This secure connection ensures that the fan operates efficiently, providing necessary cooling to the engine and other components.

Fan Drive Belt

For the fan drive belt, this screw is used to attach tensioner pulleys and other components that maintain the proper tension of the belt. This is important for the efficient operation of the cooling fan and other belt-driven accessories.

Fuel Control Module

The fuel control module is another component where this screw is vital. It is used to secure the module to the engine or its mounting bracket, ensuring that the fuel delivery system functions correctly and efficiently.

Fuel Pump

In fuel pump assemblies, the Hexagon Flange Head Cap Screw is used to attach the pump to its housing or the engine block. This secure attachment is crucial for maintaining the pump’s position and ensuring consistent fuel delivery.

Full Flow Oil Filter and Lubricating Oil Filter

For both the full flow oil filter and the lubricating oil filter, this screw is used to attach the filters to their respective mounting points. Secure fastening ensures that the filters remain in place, allowing for effective filtration of the engine oil.

Mounting Spacer Kit

The mounting spacer kit often requires the use of this screw to maintain proper spacing and alignment between components. This is essential for the correct installation and function of various engine parts.

Oil Pan

In the oil pan assembly, the Hexagon Flange Head Cap Screw is used to secure the pan to the engine block. This ensures that the oil pan remains sealed and in place, preventing oil leaks and maintaining the engine’s lubrication system.

Turbocharger Arrangement

Finally, in turbocharger arrangements, this screw is used to attach the turbocharger to the engine and its supporting brackets. Secure fastening is important for the turbocharger’s efficient operation and to withstand the high pressures and temperatures involved in turbocharging.

Conclusion

The 3093804 Hexagon Flange Head Cap Screw is a critical component in the assembly and maintenance of heavy-duty trucks and Cummins engines. Its design, featuring a hexagonal head and flanged base, ensures efficient torque application and secure fastening of critical components. This screw is essential for maintaining the structural integrity and operational efficiency of various engine systems, including the aftercooler, alternator, ECM wiring harness, engine mounting plate, fan drive, fuel control module, fuel pump, oil filters, mounting spacer kit, oil pan, and turbocharger arrangement. Proper installation and maintenance of this screw are vital to ensure optimal performance and longevity of heavy-duty truck engines.