3820205
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 3820205 and manufactured by Cummins, is a specialized fastener designed for use in heavy-duty trucks. This screw is integral to the assembly and maintenance of various truck components, ensuring secure and reliable fastening in demanding environments. Cummins, a reputable manufacturer in the automotive industry, is known for its commitment to quality and innovation, making this screw a trusted component in heavy-duty applications ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for efficient tightening and loosening using a wrench or socket, while the flange provides additional surface area to distribute load and prevent the screw from sinking into soft materials ². In the context of heavy-duty trucks, these screws are used to fasten components that require high strength and resistance to vibration.

Purpose and Role in Truck Operation

This Cummins part plays a significant role in the operation of heavy-duty trucks by securing critical components such as engine mounts, transmission housings, and chassis parts. Its design ensures that these components remain firmly in place under the strenuous conditions encountered in heavy-duty applications. The screw’s ability to withstand high loads and vibrations contributes to the overall reliability and safety of the truck ³.

Key Features

The 3820205 boasts several key features that enhance its performance and durability. Its hexagonal head design allows for easy and precise tightening, reducing the risk of stripping or rounding. The flange at the base of the screw provides additional stability and load distribution, preventing the screw from pulling through the material. Additionally, the screw is typically made from high-strength materials such as alloy steel, which offers excellent resistance to corrosion and wear ⁴.

Benefits

The benefits of using the 3820205 include enhanced fastening security, resistance to vibration, and ease of installation and removal. The screw’s design ensures a tight and secure fit, minimizing the risk of loosening over time. Its resistance to vibration makes it ideal for use in heavy-duty trucks, where components are subject to constant movement and stress. Furthermore, the hexagonal head allows for straightforward installation and removal, saving time and effort during maintenance procedures.

Installation and Usage

Proper installation of the 3820205 is crucial to ensure optimal performance. It is recommended to use a torque wrench to achieve the specified torque settings, which vary depending on the application and material being fastened. Following the manufacturer’s guidelines for torque settings helps prevent over-tightening, which can lead to damage, or under-tightening, which can compromise the fastening integrity. Additionally, using the appropriate tools and techniques during installation ensures that the screw is securely fastened without damaging the head or flange.

Troubleshooting and Maintenance

Common issues with the 3820205 may include loosening due to vibration or corrosion over time. Regular inspection and maintenance can help identify and address these issues promptly. If a screw shows signs of loosening, it should be re-tightened to the specified torque setting. In cases of corrosion, the affected area should be cleaned, and an appropriate anti-corrosion treatment applied to prevent further degradation. Regular maintenance and timely replacement of worn or damaged screws contribute to the prolonged service life of the fastener.

Cummins Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive industry. Founded in 1919, Cummins has a long history of producing high-quality engine and power generation equipment. The company is known for its commitment to innovation, quality, and customer satisfaction. Cummins’ extensive range of products and services caters to various industries, including transportation, construction, and agriculture. The manufacturer’s dedication to excellence is reflected in the performance and reliability of its components, such as the 3820205.

Hexagon Flange Head Cap Screw (Part 3820205) in Cummins Engines

The Hexagon Flange Head Cap Screw, part number 3820205, is a critical component in various Cummins engines. This screw is designed to provide a secure fastening solution, ensuring that parts are held firmly in place under operational conditions. Here is how it fits into the different Cummins engines:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, utilize the 3820205 screw in several key areas. These engines are known for their robust design and reliability, often used in heavy-duty applications. The screw is typically employed in securing various engine components, ensuring that they remain tightly fastened during operation.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, which include the L10 CELECT, L10 GAS, and L10 MECHANICAL variants, also incorporate the 3820205 screw. These engines are designed for a range of applications, from marine to industrial use. The screw is used to fasten components that require a high level of precision and durability, ensuring that the engine operates smoothly and efficiently.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, are another set of engines that benefit from the 3820205 screw. These engines are known for their versatility and performance, often used in both on-road and off-road applications. The screw is used in various critical areas to maintain the integrity of the engine’s structure and components.

QSK60G and QSM11 Series Engines

• QSK60G
• QSM11 CM570
• QSM11 CM876

The QSK60G and QSM11 series engines, including the QSK60G, QSM11 CM570, and QSM11 CM876, also utilize the 3820205 screw. These engines are designed for high-performance applications, often found in power generation and heavy-duty transport. The screw is used to secure components that are subjected to significant stress and vibration, ensuring that the engine maintains its structural integrity.

Role of Part 3820205 Hexagon Flange Head Cap Screw in Engine Systems

This part is integral in securing and maintaining the integrity of various engine components. Its application ensures that parts remain firmly in place, contributing to the overall stability and performance of the engine system.

Crankshaft Conversion Kit

In a crankshaft conversion kit, the 3820205 screw is often used to secure the crankshaft to the engine block. This ensures that the crankshaft operates within the designed parameters, minimizing wear and tear, and enhancing the longevity of the engine.

Damper

When it comes to engine dampers, the 3820205 screw plays a significant role in attaching the damper to the crankshaft or other rotating components. This secure attachment is essential for the damper to effectively absorb vibrations and reduce stress on the engine components.

Vibration Control

In systems designed to control vibration, the 3820205 screw is employed to fasten vibration-dampening materials or devices to the engine block or other structural components. This helps in maintaining a smooth operation of the engine by reducing unwanted vibrations.

Flywheel

The flywheel, a key component in the engine’s rotational energy storage, often requires secure attachment to the crankshaft. The 3820205 screw is utilized here to ensure a tight and reliable connection, which is vital for the consistent operation of the engine.

Conclusion

In summary, the 3820205 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the secure assembly and operation of various engine components, playing a significant role in the engine’s performance and durability.