3820317
Hexagon Head Cap Screw
Cummins®

The Cummins 3820317 Hexagon Head Cap Screw is a specialized fastener designed for use in commercial trucks. It is engineered to meet the rigorous demands of heavy-duty applications, ensuring reliable performance and durability. This part plays a significant role in various fastening applications within commercial trucks, contributing to the overall integrity and functionality 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. The design of the hexagonal head provides a secure grip, minimizing the risk of cam-out during installation. These screws are commonly used in applications where a high level of torque is required, making them ideal for heavy-duty environments such as commercial trucking ¹.

Purpose of the Cummins 3820317 Hexagon Head Cap Screw

The Cummins 3820317 Hexagon Head Cap Screw serves a vital function in the operation and maintenance of commercial trucks. It is used to secure various components and assemblies, ensuring they remain firmly in place under demanding conditions. This screw contributes to the structural integrity of the truck, helping to maintain alignment and stability during operation ².

Key Features

The Cummins 3820317 Hexagon Head Cap Screw boasts several key features that enhance its performance and reliability. Its hexagonal head design allows for easy installation and removal using standard tools. The screw is made from high-quality materials, ensuring durability and resistance to corrosion. Additionally, it features precise threading specifications that provide a strong and secure fastening solution ³.

Benefits

The Cummins 3820317 Hexagon Head Cap Screw offers a range of benefits for commercial truck applications. Its durable construction ensures long-lasting performance, even in harsh environments. The corrosion-resistant properties of the screw help to prevent rust and degradation, extending its service life. Furthermore, the ease of installation makes it a convenient choice for maintenance and repair tasks ⁴.

Installation Procedures

Proper installation of the Cummins 3820317 Hexagon Head Cap Screw is crucial for ensuring optimal performance and longevity. To install the screw, begin by selecting the appropriate wrench or socket that fits the hexagonal head. Position the screw in the designated location and use the tool to tighten it to the recommended torque specifications. It is important to avoid over-tightening, as this can lead to damage or stripping of the threads ⁵.

Maintenance Tips

To ensure the Cummins 3820317 Hexagon Head Cap Screw maintains optimal performance, regular maintenance is recommended. Inspect the screw periodically for signs of wear, corrosion, or loosening. If any issues are detected, address them promptly to prevent further damage. Additionally, applying a suitable lubricant to the threads can help reduce friction and enhance the screw’s longevity .

Troubleshooting Common Issues

Common issues that may arise with the Cummins 3820317 Hexagon Head Cap Screw include loosening or corrosion. If the screw becomes loose, it should be re-tightened to the recommended torque specifications. In cases of corrosion, cleaning the affected area and applying a corrosion-resistant coating can help prevent further deterioration. If the screw is damaged or stripped, it should be replaced to maintain the integrity of the fastening application .

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s diverse product offerings cater to a wide range of applications, ensuring customers have access to the solutions they need for their specific requirements.

Hexagon Head Cap Screw 3820317 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 3820317 is a versatile component used across a variety of Cummins engines. This screw is integral in securing various parts and assemblies within the engine, ensuring structural integrity and operational efficiency.

ISM Series Engines

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, QSM11 CM570, and QSM11 CM876, utilize the 3820317 screw in multiple applications. These engines are known for their robust design and are often used in heavy-duty applications. The screw is used in securing components such as cylinder heads, valve covers, and other critical assemblies.

L10 Series Engines

The L10 series engines, which include the L10 CELECT, L10 GAS, and L10 MECHANICAL, also incorporate the 3820317 screw. These engines are designed for a range of applications, from marine to industrial use. The screw plays a crucial role in fastening parts such as engine blocks, intake manifolds, and exhaust systems.

M11 Series Engines

The M11 series engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, frequently use the 3820317 screw. These engines are known for their versatility and are used in a variety of applications, from construction equipment to agricultural machinery. The screw is used in securing components such as fuel injection systems, turbochargers, and other critical assemblies.

Application Across Models

The 3820317 screw’s application across these different engine models highlights its importance in maintaining the structural integrity and operational efficiency of Cummins engines. Its use in securing critical components ensures that the engines can perform reliably under various conditions.

Role of Part 3820317 Hexagon Head Cap Screw in Engine Systems

The part 3820317 Hexagon Head Cap Screw is integral to the assembly and functionality of various engine components. In the aftercooler system, this screw secures the mounting brackets that hold the aftercooler in place, ensuring efficient cooling of compressed air.

In the arrangement of the turbocharger, the screw is used to fasten the turbocharger housing to the engine block, maintaining the necessary alignment and sealing for optimal performance.

For the cover of the engine, particularly in areas requiring robust sealing, such as the valve cover or timing cover, the screw provides the required clamping force to prevent oil leaks and maintain a secure seal.

In the front gear assembly, the screw plays a role in attaching the gear housing to the engine frame, ensuring that the gears operate smoothly without misalignment.

The pulley system, which is part of the accessory drive mechanism, utilizes this screw to secure pulleys to the crankshaft or accessory brackets. This ensures that belts remain properly tensioned and aligned, facilitating the efficient operation of accessories like the alternator and water pump.

In systems involving recirculation, such as EGR (Exhaust Gas Recirculation), the screw is employed to mount components that direct exhaust gases back into the intake stream, aiding in emission control.

Finally, in the exhaust system, the screw is used to secure exhaust manifold components to the engine, ensuring a tight fit that prevents exhaust leaks and maintains efficient flow of exhaust gases.

Conclusion

The Cummins 3820317 Hexagon Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its durable construction, corrosion-resistant properties, and ease of installation make it an essential part for securing various engine components. Proper installation, regular maintenance, and prompt troubleshooting of common issues are key to ensuring the longevity and reliability of this Cummins part.