3094746
Injector Fuel Supply Tube
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3094746, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is significant in commercial truck maintenance due to its robust design and reliable performance. Cummins, known for its commitment to quality and innovation, produces this screw to meet the demanding requirements of truck mechanics and fleet operators.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using a wrench, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. Within a truck’s mechanical system, this screw plays a role in securing various components, ensuring they remain firmly in place under operational stress ¹.

Purpose and Role in Truck Operation

The 3094746 Hexagon Flange Head Cap Screw is utilized in multiple applications across commercial trucks. It is commonly employed in the assembly of engine components, chassis parts, and other critical areas where secure fastening is required. Its design ensures that connected parts remain stable, contributing to the overall reliability and safety of the truck ².

Key Features

The 3094746 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening. The flange at the base of the screw head provides additional bearing surface, which helps in distributing the load more evenly and reducing the risk of the screw head sinking into softer materials. Constructed from high-quality materials, this screw exhibits excellent resistance to corrosion and wear, ensuring durability in harsh operating environments ³.

Benefits

Using the 3094746 Hexagon Flange Head Cap Screw offers several advantages in truck maintenance. Its design enhances fastening security, minimizing the risk of loosening over time. The screw’s resistance to vibration makes it suitable for use in dynamic environments typical of commercial trucks. Additionally, the hexagonal head allows for straightforward installation and removal, saving time during maintenance procedures.

Installation and Usage

Proper installation of the 3094746 Hexagon Flange Head Cap Screw is vital for optimal performance. It is recommended to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level, avoiding over-tightening which could damage threads or under-tightening which could lead to loosening. Using the appropriate wrench for the hexagonal head ensures precise application of torque.

Troubleshooting and Maintenance

Common issues with the 3094746 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion over time. Regular inspection during maintenance checks can help identify such issues early. If corrosion is detected, cleaning the affected area and applying a suitable anti-corrosive treatment can help. Replacing screws that show significant wear or damage ensures continued reliable performance.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive industry, with a history of producing high-quality components for commercial vehicles. Their reputation is built on a commitment to innovation, quality, and customer satisfaction. Cummins’ extensive range of products, including the 3094746 Hexagon Flange Head Cap Screw, reflects their dedication to meeting the needs of fleet operators and mechanics with reliable and durable solutions.

Cummins Hexagon Flange Head Cap Screw 3094746 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 3094746, is a critical component in various engine configurations. This screw is designed to provide secure fastening in high-stress environments, ensuring the integrity and performance of the engine.

QST30 CM552 Engines

In the QST30 CM552 engine series, the 3094746 screw is integral to the assembly of several key components. Its flange head design allows for a larger bearing surface, distributing the load more evenly and preventing damage to the mating parts. This screw is typically used in applications where it needs to withstand significant torque and pressure, such as securing engine covers or housings.

Grouping of Engine Models

The use of the 3094746 screw is not limited to a single engine model but extends across multiple engine configurations within the Cummins lineup. This part is often found in:

• Industrial Engines: Where durability and reliability are paramount.
• Marine Engines: Subjected to harsh environmental conditions.
• Power Generation: Ensuring consistent performance under heavy loads.

The versatility of the 3094746 screw makes it a preferred choice for engineers and technicians working with Cummins engines, providing a reliable fastening solution across various applications.

Role of Part 3094746 Hexagon Flange Head Cap Screw in Engine Systems

The part 3094746 Hexagon Flange Head Cap Screw is integral to the assembly and functionality of various engine systems. Its design and specifications allow it to perform effectively in demanding environments, ensuring the secure fastening of components that are vital to engine performance.

Integration with Engine Components

1. Cylinder Head Assembly: In the cylinder head assembly, the Hexagon Flange Head Cap Screw secures the head to the engine block. This connection is essential for maintaining the integrity of the combustion chamber and ensuring that the head gasket seals properly. Proper fastening prevents leaks and maintains compression, directly influencing engine efficiency and power output.

2. Valve Train Components: The screw is used to fasten components of the valve train, such as the camshaft to the cylinder head or the rocker arms to their respective mounts. Secure fastening ensures that the valve train operates smoothly, which is necessary for precise valve timing and optimal engine performance.

3. Intake and Exhaust Manifolds: When attaching intake and exhaust manifolds to the cylinder head, the Hexagon Flange Head Cap Screw plays a role in creating a sealed environment. This seal is crucial for the efficient flow of air and exhaust gases, impacting both engine performance and emissions.

4. Timing Chain or Belt Covers: The screw is often employed to secure timing chain or belt covers. This application ensures that the cover remains in place, protecting the timing components from contaminants and maintaining the precise timing necessary for engine operation.

5. Engine Mounts: In some engine designs, the Hexagon Flange Head Cap Screw is used to attach engine mounts. This application is vital for securing the engine to the vehicle’s frame, ensuring stability and reducing vibrations that can affect performance and longevity.

Contribution to Engine Performance

The reliable fastening provided by the Hexagon Flange Head Cap Screw contributes to overall engine performance in several ways:

• Consistency in Component Alignment: Secure fastening ensures that engine components remain in their intended positions, which is essential for the precise operation of moving parts.

• Reduction of Vibrations: By firmly holding components in place, the screw helps minimize vibrations that can lead to wear and tear on engine parts.

• Maintenance of Seals and Gaskets: Proper fastening is crucial for the effectiveness of seals and gaskets, which are vital for preventing leaks and maintaining compression within the engine.

Conclusion

The Hexagon Flange Head Cap Screw (part 3094746) is a fundamental component in the assembly and operation of engine systems. Its role in securing various engine parts ensures the reliability and performance of the engine, making it an indispensable part in the maintenance and repair of engine systems.