3093769
Hexagon Head Cap Screw
Cummins®

The Cummins Part #3093769 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial truck maintenance and operation. This screw is integral to ensuring the secure assembly of various components within truck systems, contributing to the overall reliability and performance of the vehicle.

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 a wrench or socket. These screws are widely used in mechanical assemblies to secure components together. They function by creating a strong, threaded connection that resists loosening under vibration and stress, ensuring that parts remain firmly in place ¹.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck assemblies, including engine components, chassis parts, and other critical systems. By securely fastening these components, the screw helps maintain the structural integrity and functional reliability of the truck, ensuring smooth operation and longevity of the vehicle ².

Key Features

The Cummins Part #3093769 features several key attributes that enhance its performance and durability. It is composed of high-strength materials, typically alloy steel, which provides excellent resistance to wear and corrosion. The screw has a fine thread type, allowing for precise adjustments and secure fastening. Its hexagonal head design ensures easy and efficient tightening, while any unique attributes, such as a corrosion-resistant coating, further contribute to its longevity and reliability in demanding environments ³.

Benefits

Using the Cummins Part #3093769 Hexagon Head Cap Screw offers several benefits. The high-strength material and fine thread design contribute to improved reliability and durability. The hexagonal head allows for ease of installation and adjustment, reducing the time and effort required during maintenance. Additionally, the screw’s resistance to wear and corrosion ensures long-term performance, even in harsh operating conditions.

Installation and Usage Guidelines

Proper installation of this part is crucial for ensuring secure fastening. The following guidelines should be observed:

1. Use the appropriate wrench or socket to match the hexagonal head of the screw.
2. Apply the recommended torque specifications to achieve the correct tension without over-tightening.
3. Ensure that the mating surfaces are clean and free of debris to promote a strong connection.
4. Follow best practices for tightening, such as using a cross-pattern to evenly distribute tension.

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration, corrosion, and wear. To troubleshoot these problems:

1. Inspect screws regularly for signs of loosening or damage.
2. Re-tighten screws as necessary, following torque specifications.
3. Apply a thread locker or anti-seize compound to prevent loosening and corrosion.
4. Replace screws that show significant wear or damage to maintain reliable performance.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to observe several safety practices:

1. Wear appropriate personal protective equipment (PPE), including gloves and safety glasses, to protect against injury.
2. Use the correct tools to avoid damaging the screw or surrounding components.
3. Ensure that the work area is clean and free of hazards to prevent accidents.
4. Follow all manufacturer recommendations and safety guidelines to ensure safe handling and installation.

Cummins Overview

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 committed to quality and innovation in the commercial vehicle industry. The company offers a wide range of products designed to meet the demanding needs of commercial truck operators, ensuring reliable performance and durability in various applications.

Hexagon Head Cap Screw 3093769 in Cummins Engines

The Cummins part number 3093769, a Hexagon Head Cap Screw, is a critical component in various Cummins engine models. This part is designed to secure different parts within the engine assembly, ensuring structural integrity and operational efficiency.

ISM Series Engines

• ISM CM570 and ISM CM570/870

  The ISM CM570 and ISM CM570/870 engines utilize the 3093769 screw in several applications. It is often used to fasten components in the engine block, ensuring that parts remain tightly secured under the high stress and vibrations typical of these engines.

• ISM CM876 and ISM11 CM876 SN

  Similarly, the ISM CM876 and ISM11 CM876 SN engines incorporate the 3093769 screw in various mounting and fastening applications. This screw is critical in securing engine components such as the cylinder head, intake manifold, and other auxiliary parts.

QSB Series Engines

• QSB4.5 CM850 (CM2850)

  In the QSB4.5 CM850 (CM2850) engine, the 3093769 screw is used to fasten several key components, including those in the engine block and auxiliary systems. Its role is to maintain the structural integrity of these parts under operational conditions.

QST Series Engines

• QST30 CM2350 T101 and QST30 CM552

  The QST30 CM2350 T101 and QST30 CM552 engines also rely on the 3093769 screw for various mounting and fastening tasks. This screw is essential in securing components such as the engine block, intake manifold, and other critical parts that require reliable fastening to ensure smooth engine operation.

The use of the 3093769 Hexagon Head Cap Screw across these engine models underscores its importance in maintaining the structural and operational integrity of Cummins engines.

Role of Part 3093769 Hexagon Head Cap Screw in Engine Systems

The part 3093769 Hexagon Head Cap Screw is integral to the assembly and operation of various engine components. It is utilized in securing and maintaining the structural integrity of several key parts within the engine system.

In the compressor section, this screw is employed to fasten the compressor housing to the engine block, ensuring a secure fit that allows for efficient air compression without leakage.

Within the air drive and auxiliary pump drive systems, the screw plays a role in attaching the drive components to the engine, facilitating the transfer of mechanical power to auxiliary systems such as the air compressor and auxiliary pumps.

For the fan drive mechanism, the screw is used to connect the fan to the engine, enabling effective cooling of the engine by securing the fan housing and blades in place.

In the front gear train accessory, the screw is essential for attaching gear components, ensuring smooth operation and power transmission within the accessory drive system.

The filter and fuel systems also benefit from the use of this screw. It is used to secure the fuel filter housing and connect the fuel lines to the engine, maintaining a sealed and efficient fuel delivery system.

The front engine support structure relies on the screw to attach support brackets and components, providing stability and reducing vibrations during engine operation.

In the flywheel housing, the screw is utilized to secure the housing to the engine, ensuring the flywheel operates within its designated space without interference.

During product installation, the screw is a common fastener for attaching various engine packages and accessories, guaranteeing a secure and proper fit for all components.

The pulley and accessory drive systems use the screw to attach pulleys to the engine, allowing for the efficient transfer of power to accessories such as the alternator and power steering pump.

Lastly, in the auxiliary pump and support front engine components, the screw is employed to secure pumps and support structures, ensuring these components function correctly and remain in place during engine operation.

Conclusion

The Cummins Part #3093769 Hexagon Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and Cummins engines. Its high-strength material, fine thread design, and hexagonal head ensure reliable fastening and long-term performance. Proper installation, regular maintenance, and adherence to safety practices are essential to maximize the benefits of this part and ensure the structural integrity and operational efficiency of the vehicle.