3922737
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3922737, is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is integral to the maintenance and operation of commercial trucks, providing a reliable fastening solution that ensures the integrity of various truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using standard tools, while the flange distributes the load over a larger area, reducing the risk of the screw pulling through the material ¹. In mechanical systems, these screws secure components together, ensuring stability and alignment.

Purpose and Role in Truck Operation

The 3922737 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is used to fasten components that require a secure and stable connection. Its design ensures that the connected parts remain aligned and do not loosen over time, which is crucial for the safe and efficient operation of the truck.

Key Features

The 3922737 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening with common tools. The flange beneath the head provides additional surface area for load distribution, enhancing the screw’s stability. Additionally, the screw is made from high-quality materials that offer excellent resistance to corrosion and wear, ensuring longevity in demanding truck environments ².

Benefits

Using the 3922737 Hexagon Flange Head Cap Screw offers several benefits. Its design enhances durability, making it suitable for heavy-duty applications. The flange helps prevent loosening, maintaining a secure connection over time. Furthermore, the hexagonal head allows for straightforward installation and removal, reducing maintenance time and effort.

Installation Process

To install the 3922737 Hexagon Flange Head Cap Screw, begin by ensuring the mating surfaces are clean and free of debris. Align the screw with the designated hole and start threading it by hand to avoid cross-threading. Once started, use a suitable tool to tighten the screw to the recommended torque specification, ensuring a secure fit without over-tightening ³.

Troubleshooting Common Issues

Common issues with Hexagon Flange Head Cap Screws include loosening over time and corrosion. To address loosening, check for proper torque and consider using a thread locker if necessary. For corrosion, ensure the screw is made from corrosion-resistant material and consider applying a protective coating if operating in harsh environments.

Maintenance Tips

To maintain the 3922737 Hexagon Flange Head Cap Screw, regularly inspect it for signs of wear or corrosion. Ensure it remains tightened to the specified torque. If operating in corrosive environments, periodic cleaning and reapplication of protective coatings can help extend the screw’s service life.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable components, Cummins has established a strong reputation for delivering products that meet the demanding requirements of commercial truck applications. Their focus on quality ensures that components like the 3922737 Hexagon Flange Head Cap Screw are designed to provide durable and efficient performance.

Cummins Engine Part 3922737: Hexagon Flange Head Cap Screw Application

The Cummins part number 3922737, a Hexagon Flange Head Cap Screw, is a critical component used in various Cummins engine models. This part is designed to secure and fasten different parts within the engine, ensuring structural integrity and operational efficiency. Below is a detailed description of how this part fits within the specified Cummins engines:

15N CM2380 M104B

The 15N CM2380 M104B engine utilizes the Hexagon Flange Head Cap Screw to secure the cylinder head to the engine block. This ensures that the combustion chamber is properly sealed and that the engine operates efficiently.

B4.5 CM2350 B129B and ISB4.5 CM2350 B104

Both the B4.5 CM2350 B129B and ISB4.5 CM2350 B104 engines employ the Hexagon Flange Head Cap Screw for fastening the cylinder head to the engine block. This application is crucial for maintaining the structural integrity of the engine and ensuring that the combustion process is properly sealed.

F3.8 CM2350 F120B and QSF3.8 CM2350 F107

The F3.8 CM2350 F120B and QSF3.8 CM2350 F107 engines use the Hexagon Flange Head Cap Screw in various applications, including securing the cylinder head to the engine block and fastening other critical components. This ensures that the engine operates smoothly and efficiently.

F4.5 CM2620 F139B

In the F4.5 CM2620 F139B engine, the Hexagon Flange Head Cap Screw is used to secure the cylinder head to the engine block. This application is essential for maintaining the structural integrity of the engine and ensuring that the combustion process is properly sealed.

ISF4.5 CM2220 F123

The ISF4.5 CM2220 F123 engine utilizes the Hexagon Flange Head Cap Screw to secure the cylinder head to the engine block. This ensures that the combustion chamber is properly sealed and that the engine operates efficiently.

ISC8.3 CM2250 and ISL9 CM2250

Both the ISC8.3 CM2250 and ISL9 CM2250 engines use the Hexagon Flange Head Cap Screw to secure the cylinder head to the engine block. This application is crucial for maintaining the structural integrity of the engine and ensuring that the combustion process is properly sealed.

ISBE CM800

The ISBE CM800 engine employs the Hexagon Flange Head Cap Screw in various applications, including securing the cylinder head to the engine block and fastening other critical components. This ensures that the engine operates smoothly and efficiently.

QSK60 G CM2358 K110

The QSK60 G CM2358 K110 engine uses the Hexagon Flange Head Cap Screw to secure the cylinder head to the engine block. This ensures that the combustion chamber is properly sealed and that the engine operates efficiently.

Z14 CM2670 Z103B

The Z14 CM2670 Z103B engine utilizes the Hexagon Flange Head Cap Screw to secure the cylinder head to the engine block. This ensures that the combustion chamber is properly sealed and that the engine operates efficiently.

Role of Part 3922737 Hexagon Flange Head Cap Screw in Engine Systems

The 3922737 Hexagon Flange Head Cap Screw is a versatile fastener that plays a significant role in securing various components within engine systems. Its application spans across multiple areas, ensuring the integrity and functionality of the engine’s structure and systems.

Securing the Crankcase Breather Arrangement

In the crankcase breather arrangement, the 3922737 screw is utilized to fasten the breather housing to the crankcase. This connection is vital for maintaining the breather’s position and ensuring it effectively vents pressure and contaminants from the crankcase, contributing to engine longevity.

Connection to the Water Outlet

At the water outlet, this screw secures the outlet housing to the engine block. This connection is essential for maintaining a sealed pathway for coolant flow, which is crucial for engine temperature regulation.

Integration with Fuel Control Systems

Within fuel control systems, the 3922737 screw is employed to attach fuel control modules to the engine. This ensures the module remains securely in place, allowing for precise fuel delivery and management, which is fundamental for engine performance and efficiency.

Manifold and Air Intake Assembly

In manifold and air intake assemblies, the screw is used to fasten components such as the intake manifold to the engine block or the air intake module to the manifold. This secure attachment is necessary for maintaining the integrity of the air pathway, ensuring optimal air-fuel mixture for combustion.

Turbocharger and Plumbing Connections

For turbochargers and their associated plumbing, the 3922737 screw is instrumental in securing turbocharger housings and plumbing components. This ensures the turbocharger operates within its designed parameters, enhancing engine power and efficiency.

Auxiliary Cooling System Integration

In auxiliary cooling systems, this screw is used to attach heat shields and other components to the engine. This not only protects sensitive parts from excessive heat but also ensures the cooling system operates effectively, maintaining engine temperature within safe limits.

Turbocharger Plumbing and System Shielding

Lastly, in turbocharger plumbing and system shielding, the 3922737 screw plays a role in securing pipes, hoses, and shields. This ensures the turbocharger system remains intact and functions as intended, contributing to overall engine performance and reliability.

Throughout these applications, the 3922737 Hexagon Flange Head Cap Screw demonstrates its importance in maintaining the structural and functional integrity of various engine components.

Conclusion

The 3922737 Hexagon Flange Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks and various engine systems. Its design, featuring a hexagonal head and a flange, ensures secure and stable connections, enhancing durability and resistance to corrosion. Proper installation, maintenance, and troubleshooting are essential to maximize the benefits of this part, ensuring the longevity and efficiency of truck and engine operations.