4022907
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #4022907, is a specialized fastener produced by Cummins, a leading manufacturer in the automotive and heavy-duty truck industries. This screw is significant in heavy-duty truck applications due to its robust design and reliable performance in demanding environments. Cummins, known for its high-quality components, ensures that this screw meets the stringent requirements of heavy-duty truck operations ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head with a flange. The hexagonal shape allows for efficient tightening and loosening using a wrench, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material. This design is particularly effective in applications requiring secure and durable fastening solutions ².

Purpose and Role in Truck Operation

This Cummins part plays a vital role in the operation and maintenance of heavy-duty trucks. It is used in various truck components where secure fastening is required, such as in the engine, transmission, and chassis. The screw’s design ensures that it can withstand high loads and vibrations, making it ideal for critical applications where failure is not an option. Its applications range from securing engine components to attaching body panels, highlighting its versatility and importance in truck maintenance ³.

Key Features

The 4022907 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance and durability. Its hexagonal flange head design allows for easy and precise tightening, reducing the risk of over-tightening or stripping. The screw is typically made from high-strength materials, such as alloy steel, which provides excellent resistance to corrosion and wear. Additionally, the flange head distributes the load more evenly, reducing the stress on the fastening point and improving the overall security of the joint.

Benefits

The benefits of using the 4022907 Hexagon Flange Head Cap Screw include improved fastening security, resistance to loosening, and enhanced load distribution. The flange head design prevents the screw from digging into the material, ensuring a stable and secure connection. Its resistance to corrosion and wear makes it suitable for use in harsh environments, while its high-strength material ensures it can withstand significant loads without failure. These attributes contribute to the longevity and reliability of the fastening solution.

Installation and Usage Guidelines

Proper installation of the 4022907 Hexagon Flange Head Cap Screw is crucial for ensuring optimal performance and longevity. Begin by selecting the appropriate size and grade of screw for the application. Use a wrench to tighten the screw to the specified torque, ensuring that it is secure without over-tightening. It is recommended to use a torque wrench to achieve the precise torque required for the application. Regularly inspect the screw for signs of wear or corrosion, and replace it if necessary to maintain the integrity of the fastening.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration, corrosion, and wear. To address these issues, regularly inspect the screws for signs of damage or corrosion. If a screw appears loose, re-tighten it to the specified torque. In cases of severe corrosion or wear, replace the screw to ensure the continued reliability of the fastening. Maintenance practices such as applying a corrosion-resistant coating can help prolong the lifespan of the screw and ensure continued reliable performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for innovation, quality, and reliability in the automotive and heavy-duty truck industries. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence is evident in its high-quality components, such as the 4022907 Hexagon Flange Head Cap Screw, which are engineered to deliver reliable performance in the most challenging environments.

Hexagon Flange Head Cap Screw (Part 4022907) in Cummins Engines

This Cummins part is a critical component in various Cummins engine models. This screw is designed to provide a secure fastening solution, ensuring the integrity and stability of engine components. Here is a detailed look at how this part fits into different Cummins engine series:

ISM Series Engines

• ISM CM570 and ISM CM570/870: The ISM CM570 and ISM CM570/870 engines utilize the 4022907 screw in several applications, particularly in securing engine covers and other critical housings. Its robust design ensures that these components remain tightly fastened under high operational stresses.

• ISM CM876 and ISM11 CM876 SN: These engines also benefit from the use of the 4022907 screw. It is commonly used in the assembly of the engine’s main housing, ensuring that all parts are securely fastened and aligned. This is crucial for maintaining the engine’s performance and longevity.

L10 Series Engines

• L10 CELECT, L10 GAS, and L10 MECHANICAL: The L10 series engines, including CELECT, GAS, and MECHANICAL variants, incorporate the 4022907 screw in various structural applications. This includes securing the engine block, cylinder heads, and other critical assemblies. The screw’s design allows for easy installation and removal, facilitating maintenance and repairs.

M11 Series Engines

• M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL: The M11 series engines, both CELECT and MECHANICAL versions, use the 4022907 screw extensively. It is employed in securing the engine’s main housing, ensuring that the engine’s internal components are held together securely. This is particularly important in high-performance and heavy-duty applications.

QSM11 Series Engines

• QSM11 CM570 and QSM11 CM876: The QSM11 series engines also rely on the 4022907 screw for various fastening needs. It is used in securing the engine’s main housing and other critical components, ensuring that the engine operates smoothly and efficiently. The screw’s design provides a reliable fastening solution, enhancing the engine’s overall performance and durability.

Role of Part 4022907 Hexagon Flange Head Cap Screw in Engine Systems

This part is instrumental in securing various components within engine systems, ensuring structural integrity and reliable performance. Its application spans across multiple critical areas:

• Campaign Kit: This screw is utilized to fasten components within the campaign kit, ensuring that all parts are securely held in place during operation.

• Camshaft: It plays a role in attaching the camshaft to the cylinder head, providing the necessary tension and alignment for optimal valve operation.

• Connecting Rod: The screw is employed to secure the connecting rod to the crankshaft, ensuring smooth and consistent power transmission from the pistons.

• Connecting Rod and Piston: It helps in maintaining the structural integrity of the connecting rod and piston assembly, crucial for the engine’s reciprocating motion.

• Cylinder Block: Used to fasten various components to the cylinder block, ensuring that all parts remain aligned and function correctly.

• Cylinder Head: Secures the cylinder head to the cylinder block, maintaining the seal required for combustion efficiency.

• Cylinder Head Mounting: Essential for the proper installation and alignment of the cylinder head mounting components.

• Engine Piston Kit: Facilitates the secure attachment of piston components, ensuring they operate within specified tolerances.

• Head, Cylinder: Used in the assembly of the cylinder head to the cylinder block, critical for maintaining engine sealing and performance.

• Injectors: Secures fuel injectors in place, ensuring precise fuel delivery and combustion.

• Oil Manifold: Fastens the oil manifold to the engine, ensuring proper lubrication distribution.

• Overhaul (M-11) Kit: Integral in the reassembly process of the engine during an overhaul, ensuring all components are correctly installed.

• Overhaul Kit: Used extensively in the reassembly of engine components post-overhaul, guaranteeing structural integrity and performance.

• Upper Engine Gasket Kit: Ensures the proper installation of gaskets, maintaining seals and preventing leaks.

• Upper Engine Gasket Set: Secures the upper engine components, ensuring a tight seal and efficient operation.

Conclusion

In summary, the 4022907 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the secure assembly and reliable operation of various engine components. Its role in maintaining the structural integrity and alignment of engine parts is fundamental to the overall performance and longevity of the engine system.