3093755
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, specifically Part #3093755 by Cummins, is a vital component in the maintenance and assembly of commercial trucks. Cummins, a well-established manufacturer in the industry, produces this screw to meet the rigorous demands of heavy-duty applications. This overview will delve into the significance of the Hexagon Head Cap Screw, its design, functionality, and the role it plays in truck operations.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using standard tools such as wrenches or sockets. The design of the hexagonal head provides a greater contact area compared to other head types, reducing the risk of cam-out and ensuring a secure fit. In fastening applications, these screws are used to join components together, providing structural integrity and stability ¹.

Role of the 3093755 Hexagon Head Cap Screw in Truck Operation

This Cummins part is integral to the assembly and maintenance of commercial trucks. It is employed in various truck components, including engine mounts, chassis assemblies, and body panels. By securely fastening these parts, the screw contributes to the overall structural integrity and performance of the truck. Its applications extend to both static and dynamic components, ensuring that critical parts remain firmly in place under varying operational conditions ².

Key Features of the 3093755 Hexagon Head Cap Screw

The 3093755 Hexagon Head Cap Screw boasts several key features that make it suitable for heavy-duty applications. Its hexagonal head design allows for easy manipulation with standard tools, enhancing efficiency during installation and removal. The screw is composed of high-strength materials, typically alloy steel, which provides excellent durability and resistance to wear. Additionally, it features precise threading specifications that ensure a secure and tight fit, minimizing the risk of loosening over time ³.

Benefits of Using the 3093755 Hexagon Head Cap Screw

Utilizing this Cummins part offers several advantages. Its durable material composition ensures long-lasting performance even under strenuous conditions. The ease of use with standard tools simplifies the installation process, reducing labor time and costs. Furthermore, the screw’s design resists loosening, which is crucial for maintaining the integrity of truck components over time ⁴.

Installation Guidelines

Proper installation of the 3093755 Hexagon Head Cap Screw is vital to ensure secure fastening and longevity. Begin by cleaning the mating surfaces to remove any debris or contaminants. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring a secure fit without over-tightening, which could damage the threads or the component. Regularly inspect the screw during maintenance checks to ensure it remains tight and functional.

Troubleshooting Common Issues

Common issues with Hexagon Head Cap Screws include loosening, corrosion, and damage to the hexagonal head. To address loosening, re-tighten the screw to the specified torque settings. Corrosion can be mitigated by applying an anti-corrosive coating or using screws made from corrosion-resistant materials. If the hexagonal head is damaged, replace the screw to maintain secure fastening.

Maintenance Tips

Regular maintenance of Hexagon Head Cap Screws is essential to prolong their service life and ensure reliable performance. Inspect screws during routine maintenance checks for signs of wear, corrosion, or loosening. Apply lubricants to moving components to reduce friction and wear. Replace screws that show significant wear or damage to prevent failure during operation.

Cummins: A Brief Overview

Cummins Inc. is a globally recognized leader in the design, manufacturing, and distribution of diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has built a reputation for producing high-quality, reliable components for the commercial truck industry. Their product range includes engines, filtration systems, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Hexagon Head Cap Screw 3093755 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 3093755 is a critical component in several of Cummins’ engine models. This screw is designed to provide secure fastening in various applications within the engine assembly, ensuring structural integrity and operational efficiency.

ISL9.5 CM2880 L138, K19, K50

In the ISL9.5 CM2880 L138, K19, and K50 engines, the 3093755 screw is utilized in several key areas. It is often found in the engine block, securing various components and ensuring that the engine’s internal parts remain tightly fastened. This screw’s robust design helps maintain the alignment and stability of critical engine parts, contributing to the overall performance and longevity of the engine.

QSB5.9 CM850

For the QSB5.9 CM850 engine, the 3093755 screw plays a vital role in the assembly of the engine’s head and other critical components. Its use in this engine ensures that the head gasket is properly sealed, preventing leaks and maintaining the engine’s compression. Additionally, it is used in various other fastening applications, ensuring that all parts are securely held together under the high stresses of engine operation.

QSB6.7 M CM2250

In the QSB6.7 M CM2250 engine, the 3093755 screw is integral to the assembly of the engine’s head and other critical components. Its use in this engine ensures that the head gasket is properly sealed, preventing leaks and maintaining the engine’s compression. Additionally, it is used in various other fastening applications, ensuring that all parts are securely held together under the high stresses of engine operation.

QST30 CM2350 T101 and QST30 CM552

For the QST30 CM2350 T101 and QST30 CM552 engines, the 3093755 screw is used in several key areas, including the engine block and head assembly. Its use in these engines ensures that the engine’s internal components are securely fastened, contributing to the engine’s overall performance and durability. The screw’s design allows for precise and reliable fastening, which is crucial for maintaining the engine’s operational integrity.

Role of Part 3093755 Hexagon Head Cap Screw in Engine Systems

The part 3093755 Hexagon Head Cap Screw is integral to the assembly and functionality of various engine components. Its robust design ensures secure fastening, which is essential for the reliable operation of the following systems:

Belt Tensioner

In the belt tensioner system, the Hexagon Head Cap Screw is used to maintain the correct tension on the drive belts. This ensures efficient power transmission from the engine to accessories like the alternator and water pump, preventing slippage and wear.

Compressor Systems

For both air and refrigerant compressors, this screw plays a role in securing components that are vital for pressure regulation and fluid dynamics within the system. It ensures that the compressor housing and internal components remain aligned and operate under the designed parameters.

Drive Systems

In drive systems, such as the fan drive and front gear train accessory, the screw is employed to fasten gears, pulleys, and other rotating components. This secure attachment is necessary for smooth operation and to prevent mechanical failures under varying load conditions.

Fan Systems

Within the fan drive and fan drive idle/idler assemblies, the Hexagon Head Cap Screw is critical for attaching the fan hub to the engine. This secure connection ensures that the fan operates efficiently to cool the engine, maintaining optimal temperature levels.

Lubrication and Filtration

In systems involving filter and lubricating oil, the screw is used to assemble components that ensure proper filtration and lubrication. This is essential for reducing friction and wear on moving parts, thus prolonging the lifespan of the engine.

Electrical and Instrumentation

For components like the generator mounting, alternator mounting, and engine instrument panel, the screw provides a stable attachment point. This stability is necessary for accurate readings and reliable electrical output from the generator and alternator.

Fuel Systems

In the fuel system, including the fuel filter, fuel plumbing, and fuel water separator, the screw is used to secure components that ensure clean and efficient fuel delivery to the engine. This is vital for combustion efficiency and overall engine performance.

Marine and Miscellaneous Applications

In marine applications, the screw is used in gear assemblies and other components exposed to harsh environments. Its corrosion-resistant properties ensure longevity and reliability in such conditions. Additionally, in miscellaneous applications like engine control modules and mounting brackets, the screw provides the necessary structural integrity for these components to function correctly.

Conclusion

The 3093755 Hexagon Head Cap Screw by Cummins is a critical component in the assembly and maintenance of commercial trucks and engines. Its robust design, ease of use, and durable material composition make it suitable for heavy-duty applications. Proper installation, regular maintenance, and timely troubleshooting of common issues ensure the longevity and reliability of this essential fastener.