3045849
Hexagon Flange Head Cap Screw
Cummins®

The Cummins 3045849 Hexagon Flange Head Cap Screw is a specialized fastener designed for use in commercial trucks. Its primary purpose is to securely join components within the truck’s mechanical systems. This screw is particularly valued in the trucking industry for its robust design and reliable performance under demanding conditions ¹.

Basic Concepts

Hexagon flange head cap screws are characterized by their hexagonal head, which allows for efficient tightening and loosening using a wrench or socket. The flange, a flat, circular plate at the base of the head, provides additional surface area for distribution of clamping force, reducing the risk of damage to the fastened material. These screws are commonly used in mechanical assemblies where high strength and resistance to loosening are required ².

Purpose and Role in Truck Operation

In commercial truck operations, the Cummins 3045849 Hexagon Flange Head Cap Screw plays a significant role in ensuring the secure attachment of various components. It is often used in critical areas where vibrations and dynamic loads are present, such as in the engine compartment, transmission, and chassis. By providing a strong and stable connection, this screw contributes to the overall functionality and reliability of truck components, helping to maintain operational efficiency and safety ³.

Key Features

The Cummins 3045849 Hexagon Flange Head Cap Screw features a hexagonal flange head, which facilitates easy and precise tightening. It is typically made from high-strength materials, such as alloy steel, to ensure durability and resistance to wear. The screw’s design includes a threaded shaft that allows for secure fastening into corresponding holes in truck components. Additionally, the flange head helps to distribute clamping force more evenly, reducing the likelihood of stripping or damaging the fastened material.

Benefits

Using the Cummins 3045849 Hexagon Flange Head Cap Screw offers several advantages. Its design provides improved fastening strength, making it less likely to loosen over time compared to standard cap screws. The flange head enhances resistance to rotational forces, which is particularly beneficial in high-vibration environments. Furthermore, its compatibility with various truck components ensures versatile application across different truck models and systems.

Installation and Usage

Proper installation of the Cummins 3045849 Hexagon Flange Head Cap Screw is vital for ensuring secure fastening. It is recommended to use the appropriate torque specifications provided by the manufacturer to achieve the correct clamping force without over-tightening. Tightening should be performed in a cross-pattern to ensure even distribution of force. Regular inspection and maintenance are advised to verify that the screw remains securely fastened and free from damage.

Troubleshooting and Maintenance

Common issues with the Cummins 3045849 Hexagon Flange Head Cap Screw may include loosening, corrosion, or damage due to wear. To address these problems, regular inspections should be conducted to check for signs of wear or corrosion. If loosening is detected, re-tightening to the specified torque is recommended. In cases of significant corrosion or damage, replacement of the screw may be necessary to maintain the integrity of the fastened components.

Compatibility and Applications

The Cummins 3045849 Hexagon Flange Head Cap Screw is designed to be compatible with a wide range of truck models and components. Its applications span various truck systems, including the engine, transmission, and chassis. This versatility makes it a valuable fastener in the maintenance and repair of commercial trucks, ensuring that critical components remain securely attached under diverse operating conditions.

Manufacturer Information - Cummins

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its high-quality truck components. With a history of innovation and commitment to excellence, Cummins has established a strong reputation for producing reliable and durable parts. The company’s expertise in engine and component manufacturing extends to the production of the 3045849 Hexagon Flange Head Cap Screw, ensuring that it meets the rigorous demands of commercial truck operations.

Hexagon Flange Head Cap Screw (Part 3045849) Compatibility with Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3045849, manufactured by Cummins, is a versatile component that can be utilized across a range of Cummins engines. This screw is designed to secure various parts and assemblies, ensuring stability and integrity within the engine system.

ISM CM570 and ISX CM570 Engines

Both the ISM CM570 and ISX CM570 engines benefit from the use of the 3045849 screw. These engines, known for their robust performance and reliability, often require precise fastening solutions to maintain operational efficiency. The screw’s design allows for secure attachment of components, contributing to the overall durability of these engines.

ISX CM870 Engine

The ISX CM870 engine, part of Cummins’ lineup of high-performance diesel engines, also incorporates the 3045849 screw. This engine is designed for heavy-duty applications, and the use of such a reliable screw ensures that critical components remain firmly in place under demanding conditions.

L10 Engines

The L10 engine series, which includes the L10 CELECT, L10 GAS, and L10 MECHANICAL variants, utilizes the 3045849 screw in various applications. Each of these engines has unique specifications and operational requirements, but the screw’s adaptability makes it suitable for securing parts across the series.

• L10 CELECT: This engine variant, known for its advanced electronic controls, uses the screw to maintain the integrity of its electronic and mechanical components.
• L10 GAS: Designed for natural gas operation, the L10 GAS engine relies on the screw to secure parts that are critical for its efficient and safe operation.
• L10 MECHANICAL: The mechanical variant of the L10 engine uses the screw to ensure that mechanical parts are securely fastened, contributing to the engine’s overall reliability.

M11 Engines

The M11 engine series, including the M11 CELECT and M11 CELECT PLUS, also incorporates the 3045849 screw. These engines are designed for a range of applications, from on-highway to off-highway use, and the screw’s design ensures that components remain securely fastened in various operating conditions.

• M11 CELECT: This variant, equipped with advanced electronic controls, uses the screw to secure parts that are critical for its performance and reliability.
• M11 CELECT PLUS: An enhanced version of the M11 CELECT, the PLUS variant also benefits from the secure fastening provided by the screw.
• M11 MECHANICAL: The mechanical variant of the M11 engine uses the screw to ensure that mechanical parts are securely fastened, contributing to the engine’s overall durability and performance.

Role of Part 3045849 Hexagon Flange Head Cap Screw in Engine Systems

The part 3045849 Hexagon Flange Head Cap Screw is integral to several key components within engine systems, ensuring both stability and performance.

Cylinder Head and Mounting

In the assembly of the cylinder head, this screw plays a significant role. It secures the cylinder head to the engine block, maintaining the necessary compression and sealing integrity. Proper fastening is essential for optimal engine performance, as any misalignment or loosening can lead to decreased efficiency and potential engine damage.

Dampers and Vibration Control

When it comes to dampers, the Hexagon Flange Head Cap Screw is used to attach vibration dampers to the engine. These dampers are vital for reducing engine vibrations, which can otherwise lead to wear and tear on other engine components. The screw’s robust design ensures that the damper remains firmly in place, effectively mitigating vibrations and contributing to the overall smoothness of engine operation.

Head and Cylinder Alignment

The screw is also employed in aligning the head and cylinder, a process that is fundamental to the engine’s combustion efficiency. Accurate alignment ensures that the combustion process occurs within the optimal parameters, enhancing engine performance and fuel efficiency.

Performance Parts Integration

In the context of performance parts, the Hexagon Flange Head Cap Screw is often used to install aftermarket components that aim to boost engine performance. Whether it’s high-performance head gaskets or upgraded cylinder heads, the screw ensures that these parts are securely fastened, allowing them to function as intended without the risk of displacement or failure.

General Application in Engine Systems

Across various engine systems, this screw is a common fastener due to its strength and reliability. It is used in numerous applications where a secure and lasting connection is required, from mounting brackets to sensor attachments. Its flange head design provides additional surface area for torque application, making it ideal for high-stress areas within the engine.

Conclusion

In summary, the part 3045849 Hexagon Flange Head Cap Screw is a versatile and essential component in engine systems, contributing to the stability, performance, and longevity of various engine parts.