3094523
Twelve Point Cap Screw
Cummins®

The Twelve Point Cap Screw, part number 3094523, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the automotive industry, is known for its commitment to quality and innovation. This Cummins part is significant in the realm of heavy-duty truck components due to its unique design and robust performance characteristics.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw is a type of fastener that features twelve points on its head instead of the standard six found on hex cap screws. This design allows for a tighter fit in the socket, reducing the likelihood of cam-out during installation and removal. The twelve-point design also provides a smoother torque application compared to traditional hex cap screws, which can be beneficial in high-stress applications ¹.

Purpose and Role in Truck Operation

The 3094523 Twelve Point Cap Screw plays a specific role in the operation of commercial trucks. It is utilized in various truck components and systems where secure and reliable fastening is required. This includes applications in the engine, transmission, and chassis, where the screw helps to maintain the integrity of critical assemblies under demanding conditions ².

Key Features

The 3094523 Twelve Point Cap Screw boasts several key features that enhance its performance. Its twelve-point design provides a more secure fit in tools, reducing the risk of slippage. The screw is typically made from high-strength materials, ensuring durability in heavy-duty applications. Additionally, the threading on the screw is designed to offer a strong grip, which is crucial for maintaining fastening integrity over time.

Benefits

Using the 3094523 Twelve Point Cap Screw offers several benefits. The twelve-point design allows for improved torque application, which is particularly advantageous in applications where high torque is required. The reduced cam-out risk ensures more secure fastening, while the enhanced grip provided by the threading contributes to the screw’s durability. These features make the 3094523 an ideal choice for heavy-duty truck applications.

Installation and Usage Guidelines

Proper installation of the 3094523 Twelve Point Cap Screw is crucial for ensuring secure fastening. It is recommended to use the appropriate socket tool that matches the twelve-point design to prevent damage to the screw head. Torque settings should be adhered to as specified by the manufacturer to ensure the screw is tightened to the correct specification without over-tightening, which could lead to damage.

Troubleshooting and Maintenance

Common issues with Twelve Point Cap Screws can include loosening over time due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues before they lead to failure. If a screw shows signs of corrosion, it should be replaced to maintain the integrity of the fastening. Additionally, ensuring that all fasteners are tightened to the manufacturer’s specifications during routine maintenance can help prolong the lifespan of the screws ³.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product range and focus on technological advancement make it a trusted name in the automotive components sector.

Twelve Point Cap Screw in Cummins Engines

The Twelve Point Cap Screw, part number 3094523, manufactured by Cummins, is a critical component in the assembly and maintenance of several Cummins engine models. This part is integral to the structural integrity and operational efficiency of the engines, ensuring that various parts are securely fastened and aligned.

Application in Cummins Engines

QSK78 CM500 and QST30 CM552

In the QSK78 CM500 and QST30 CM552 engines, the Twelve Point Cap Screw is used in multiple applications. These engines, known for their robust performance and reliability, require precise fastening to maintain their operational standards. The cap screw is employed in areas where high torque and secure fastening are necessary, such as in the engine block, cylinder heads, and other critical assemblies. Its twelve-point design provides better grip and reduces the likelihood of rounding off, which is crucial for maintaining the integrity of the engine components over time.

Common Usage

The Twelve Point Cap Screw is utilized in various parts of the engine where it is essential to have a strong, reliable fastening mechanism. This includes securing engine mounts, attaching brackets, and fastening various internal and external components. The screw’s design ensures that it can withstand the high stresses and vibrations typical in engine environments, contributing to the overall durability and longevity of the engine.

Maintenance and Replacement

Regular maintenance and timely replacement of the Twelve Point Cap Screw are vital to prevent engine failure and ensure optimal performance. Technicians should inspect these screws periodically for signs of wear, corrosion, or loosening, and replace them as necessary to maintain the engine’s structural integrity. Proper torque specifications must be adhered to during installation to ensure that the screws are neither over-tightened nor under-tightened, which could lead to component failure or reduced performance.

Role of Part 3094523 Twelve Point Cap Screw in Engine Systems

The part 3094523 Twelve Point Cap Screw is instrumental in securing and maintaining the integrity of various components within engine systems. Its application ensures that parts remain firmly in place, thereby contributing to the overall efficiency and reliability of the engine.

In the air compressor upfit kit, the Twelve Point Cap Screw is used to fasten the compressor to its mounting bracket. This secure attachment is essential for the stable operation of the compressor, which is responsible for generating the pressurized air required for various engine functions.

Within the block of the engine, this cap screw plays a role in attaching ancillary components such as sensors or small brackets that support other engine parts. Its use here ensures that these components remain in their designated positions, contributing to the precise operation of the engine.

For the cylinder and compressor, the Twelve Point Cap Screw is often employed to secure covers or housings that protect internal mechanisms. This not only safeguards the components from external damage but also ensures that the internal parts operate within a controlled environment.

In the context of the air drive system, this cap screw is utilized to attach the drive mechanism to the engine block or other structural components. This secure attachment is vital for the transmission of power from the engine to the driven components, ensuring smooth and efficient operation.

The rear gear train accessory benefits from the use of the Twelve Point Cap Screw by securing gear housings or covers. This helps in maintaining the alignment and integrity of the gear train, which is essential for the proper distribution of power throughout the engine system.

When it comes to the housing of various engine components, such as the flywheel or lever, the Twelve Point Cap Screw is used to ensure that these housings are tightly secured. This is important for the protection of internal components and for maintaining the structural integrity of the engine.

The flywheel, a component that stores rotational energy, relies on the Twelve Point Cap Screw to attach it securely to the engine block. This ensures that the flywheel operates efficiently, contributing to the engine’s smooth operation.

For the lever and rocker mechanisms within the engine, the Twelve Point Cap Screw is used to attach these components to their respective mounts or pivot points. This secure attachment is essential for the precise movement and operation of these parts, which are often involved in the control of valve timing and other critical engine functions.

Lastly, in the mounting of the air compressor, the Twelve Point Cap Screw is used to ensure that the compressor is firmly attached to the engine or its designated mounting point. This secure attachment is vital for the stable operation of the compressor, which plays a key role in the engine’s air supply system.

Conclusion

The 3094523 Twelve Point Cap Screw is a critical component in the maintenance and operation of heavy-duty engines, particularly those manufactured by Cummins. Its unique design and robust performance characteristics make it an essential part in ensuring the secure fastening of various engine components. Regular maintenance and proper installation are key to maximizing the lifespan and efficiency of this part.