3028493
Twelve Point Cap Screw
Cummins®

Introduction

The Twelve Point Cap Screw, specifically Part #3028493 by Cummins, is a vital component in the maintenance and operation of commercial trucks. Cummins Inc., a renowned manufacturer in the automotive industry, produces this screw, which is integral to ensuring the reliability and efficiency of truck systems. This overview will delve into the functionality, applications, and benefits of the 3028493 Twelve Point Cap Screw, providing a comprehensive understanding of its role in truck maintenance.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw is a type of fastener characterized by its twelve-sided head, which allows for greater torque application with reduced risk of cam-out compared to traditional hex screws. This design enhances the screw’s ability to withstand high stress and provides a more secure fastening solution. Twelve Point Cap Screws are commonly used in mechanical systems where durability and resistance to loosening are paramount ¹.

Role of the 3028493 Twelve Point Cap Screw in Truck Operation

The 3028493 Twelve Point Cap Screw by Cummins plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various truck components, including engine mounts, transmission systems, and chassis assemblies. By providing a secure and stable connection, this screw helps maintain the integrity of critical truck systems, ensuring optimal performance and safety ².

Key Features of the 3028493 Twelve Point Cap Screw

The 3028493 Twelve Point Cap Screw is distinguished by its robust design and high-quality material composition. Crafted from durable alloys, it offers exceptional strength and corrosion resistance. Its twelve-point head design allows for efficient torque application and reduces the likelihood of stripping or rounding, enhancing both installation ease and fastening security ³.

Benefits of Using the 3028493 Twelve Point Cap Screw

Utilizing the 3028493 Twelve Point Cap Screw provides several advantages. Its design ensures improved fastening security, making it less prone to loosening under vibration and stress. The screw’s durability and resistance to corrosion extend its lifespan, even in demanding environments. These attributes contribute to enhanced truck reliability and reduced maintenance requirements ⁴.

Installation Considerations

Proper installation of the 3028493 Twelve Point Cap Screw is crucial for ensuring optimal performance and safety. It is recommended to use the appropriate torque settings specified by Cummins to avoid over-tightening, which can lead to damage, or under-tightening, which may compromise fastening security. Additionally, ensuring the mating surfaces are clean and free of debris will enhance the screw’s grip and stability.

Maintenance and Troubleshooting

Regular maintenance of the 3028493 Twelve Point Cap Screw involves periodic inspection for signs of wear, corrosion, or loosening. Should any issues be detected, it is advisable to address them promptly to prevent further complications. Common troubleshooting methods include re-torquing the screw to the manufacturer’s specifications or replacing it if damage is evident.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the automotive industry. The company’s expertise in diesel engines and technologies, coupled with its dedication to customer satisfaction, underscores its reputation for excellence.

Twelve Point Cap Screw 3028493 in Cummins Engines

The Twelve Point Cap Screw part number 3028493, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide robust fastening in high-stress environments, ensuring the integrity and performance of the engine’s components.

ISB, ISC, ISL, ISM, and QSB Engines

The ISB CM550, ISC CM554, ISL CM554, ISM CM570, ISM CM570/870, QSB5.9 44 CM550, QSC8.3 CM554, and QSL9 CM554 engines all utilize the 3028493 cap screw in their assembly. These engines, part of Cummins’ medium-duty and heavy-duty lineup, rely on this screw for securing various parts, including engine blocks, covers, and other structural components. The screw’s twelve-point design ensures a secure grip, reducing the risk of loosening under operational stresses.

ISM11, ISX12, and QSM11 Engines

In the ISM11 CM876 SN, ISX12 CM2350 X102, ISX12 G CM2180 EJ, ISX12/ISX11.9 CM2250, and QSM11 CM570 engines, the 3028493 cap screw is used to fasten critical components that require high-strength fastening. These engines, known for their power and reliability, depend on this screw to maintain the alignment and structural integrity of parts such as cylinder heads, intake manifolds, and exhaust systems.

L10 Engines

The L10 GAS and L10 MECHANICAL engines also incorporate the 3028493 cap screw in their design. This screw is essential for securing various parts in these engines, ensuring that the components remain tightly fastened under the operational conditions they encounter.

M11 Engines

For the M11 CELECT PLUS and M11 MECHANICAL engines, the 3028493 cap screw is used in several applications, including fastening engine blocks, covers, and other structural elements. Its design ensures that these components remain securely in place, contributing to the overall performance and longevity of the engine.

QST30 and QSX11.9 Engines

The QST30 CM552 and QSX11.9 CM2250 ECF engines also utilize the 3028493 cap screw. This screw is integral to the assembly of these engines, providing the necessary fastening for parts that are subjected to significant mechanical stress.

The consistent use of the 3028493 cap screw across these diverse engine models underscores its importance in maintaining the structural integrity and performance of Cummins engines.

Role of Part 3028493 Twelve Point Cap Screw in Engine Systems

The part 3028493 Twelve Point Cap Screw is integral to the secure assembly and operation of various engine components. In the context of an air compressor mounting, this cap screw ensures the compressor is firmly attached to the base parts, minimizing vibrations and ensuring efficient air delivery.

Within the engine block, the Twelve Point Cap Screw plays a significant role in maintaining the integrity of the block itself, as well as securing the engine control module and other critical electronics. Its application in the compressor and air coupling sections ensures that these components remain aligned and operate smoothly, which is essential for consistent air pressure and flow.

For the fuel pump and drive components, the Twelve Point Cap Screw is used to secure the pump to the engine, ensuring that it remains stable during operation. This stability is vital for the precise delivery of fuel to the engine, impacting overall performance and efficiency.

In the front gear train accessory, the cap screw helps in maintaining the alignment and secure fitting of gears, which is fundamental for the transmission of power from the engine to other mechanical components.

The mounting of auxiliary pumps, such as hydraulic or oil pumps, also benefits from the use of the Twelve Point Cap Screw. It ensures these pumps are securely fastened to the engine or pan, allowing for reliable operation and preventing leaks or malfunctions.

Overall, the Twelve Point Cap Screw is a versatile fastener that contributes to the structural integrity and operational reliability of various engine components.

Conclusion

The 3028493 Twelve Point Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks and various Cummins engine models. Its robust design, high-quality material composition, and twelve-point head ensure secure fastening, durability, and resistance to corrosion. Proper installation and regular maintenance of this screw are essential for ensuring optimal performance and safety of truck systems and engine components.