3093738
Hexagon Head Cap Screw
Cummins®

The 3093738 Hexagonal Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, is known for its commitment to quality and innovation. This particular screw is integral to the assembly and maintenance of various truck components, ensuring reliable performance and durability in demanding environments.

Basic Concepts of Hexagonal Head Cap Screws

A Hexagonal Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. These screws are commonly used in fastening applications where a secure and permanent join is required. Mechanically, the hexagonal head provides a larger contact area compared to other head types, reducing the risk of cam-out and enabling higher torque application without damaging the screw head ¹.

Purpose of the 3093738 Hexagonal Head Cap Screw in Trucks

The 3093738 Hexagonal Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck components where secure fastening is crucial. This includes applications in engine assemblies, transmission systems, and chassis components. The screw ensures that parts remain firmly attached, contributing to the overall structural integrity and performance of the truck ².

Key Features of the 3093738 Hexagonal Head Cap Screw

The 3093738 Hexagonal Head Cap Screw is designed with several features that enhance its functionality and durability. It is constructed from high-strength materials, typically alloy steel, which provides excellent resistance to wear and corrosion. The screw features a fine thread type, allowing for precise adjustments and secure fastening. The hexagonal head is meticulously crafted to ensure a snug fit with standard wrenches and sockets, facilitating easy installation and removal ³.

Benefits of Using the 3093738 Hexagonal Head Cap Screw

Utilizing the 3093738 Hexagonal Head Cap Screw offers several advantages. Its high-strength material composition ensures enhanced durability and resistance to loosening under vibration, a common issue in commercial trucks. The fine thread type allows for accurate torque application, reducing the risk of over-tightening or under-tightening. Additionally, the hexagonal head design simplifies the installation and removal process, making it a practical choice for both initial assembly and maintenance tasks.

Installation and Usage Guidelines

Proper installation of the 3093738 Hexagonal Head Cap Screw is vital to ensure optimal performance. Begin by selecting the appropriate wrench or socket that matches the screw’s hexagonal head size. Apply a consistent torque specification, typically provided in the manufacturer’s guidelines, to achieve the desired fastening strength without over-tightening. Use a torque wrench for precision, and ensure that the screw is installed in a clean, debris-free environment to prevent contamination that could affect performance.

Maintenance and Troubleshooting

To ensure the longevity and performance of the 3093738 Hexagonal Head Cap Screw, periodic inspections are recommended. Check for signs of corrosion, wear, or loosening, and address any issues promptly. Common problems may include stripped threads or damaged screw heads, which can often be resolved by replacing the affected screw. Regular maintenance helps prevent more significant issues down the line, ensuring the truck remains in optimal working condition.

Safety Considerations

When working with the 3093738 Hexagonal Head Cap Screw, it is important to observe several safety practices. Ensure that the work area is clean and well-lit to avoid accidents. Use the correct tools to prevent damage to the screw or surrounding components. Store screws in a dry, organized environment to prevent rust and contamination. Dispose of any damaged or unused screws according to local regulations to ensure environmental safety.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins is renowned for its commitment to quality, innovation, and customer satisfaction. The company offers a wide range of products designed to meet the needs of various industries, including commercial trucking, construction, and agriculture. Cummins’ dedication to excellence is evident in every product they produce, including the 3093738 Hexagonal Head Cap Screw.

Hexagonal Head Cap Screw 3093738 in Cummins Engines

The Cummins part number 3093738, a Hexagonal Head Cap Screw, is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of the engines, ensuring structural integrity and operational efficiency.

QSK19G and QST30 CM2350 T101

In the QSK19G and QST30 CM2350 T101 engines, the Hexagonal Head Cap Screw 3093738 is used in various applications where secure fastening is required. These engines, known for their robust performance, utilize this screw to maintain the alignment and stability of critical components. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

QST30 CM552

Similarly, in the QST30 CM552 engine, the Hexagonal Head Cap Screw 3093738 plays a vital role in the engine’s assembly. This screw is employed in areas where high torque and durability are essential, ensuring that parts remain securely fastened under operational stresses. Its hexagonal head provides a larger surface area for tools, enhancing the efficiency of tightening and loosening procedures.

The use of the Hexagonal Head Cap Screw 3093738 across these engines underscores its importance in maintaining the structural integrity and operational reliability of Cummins engines.

Role of Part 3093738 Hexagonal Head Cap Screw in Engine Systems

The 3093738 Hexagonal Head Cap Screw is integral in securing various components within engine systems, ensuring stability and proper function.

In the arrangement of engine components, this screw is often used to fasten parts that require a firm hold without the risk of loosening over time due to vibrations.

For the crankcase breather system, it plays a role in securing the breather to the block, allowing for the release of pressure built up within the crankcase without oil leakage.

Within the cylinder assembly, the screw is utilized to secure the cam follower assembly, ensuring precise alignment and operation of the cam follower.

In terms of connection points, such as the exhaust outlet, the screw ensures a tight seal, preventing exhaust leaks which could lead to performance issues or safety hazards.

The cover of various engine components, including the cam follower and drive mechanisms, is often secured using this screw, protecting internal parts from debris and ensuring they remain in place during operation.

For the fan and fan drive systems, the screw is employed in the mounting process, ensuring the fan operates efficiently without wobbling, which could affect cooling performance.

In the engine control module (ECM) housing, it secures the module in place, protecting it from vibrations that could disrupt its function.

The pan that encloses the lower part of the engine, often used for oil containment, is fastened using this screw, ensuring the pan remains sealed and oil is contained within the system.

In the plumbing of engine systems, particularly around the fuel filter, the screw is used to secure connections, ensuring a leak-free system that delivers fuel efficiently to the engine.

Lastly, for retainer bracket hardware, the screw is essential in securing brackets that hold various engine components in place, ensuring they do not shift or become dislodged during engine operation.

Conclusion

The 3093738 Hexagonal Head Cap Screw is a vital component in the assembly and maintenance of commercial trucks and Cummins engines. Its design, featuring a hexagonal head and high-strength material, ensures secure fastening, durability, and resistance to loosening under vibration. Proper installation, maintenance, and adherence to safety practices are essential to maximize the performance and longevity of this Cummins part.