3074350
Studded Captive Washer Screw
Cummins®

The Studded Captive Washer Screw, identified by Part #3074350, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw plays a role in the maintenance and operation of heavy-duty trucks, ensuring the secure fastening of various components. Understanding its function, features, and proper usage is important for maintaining the integrity and performance of truck systems.

Basic Concepts

A Studded Captive Washer Screw is a type of fastener that includes a washer integrated into the screw design. This particular screw, Part #3074350, consists of a threaded stud, a captive washer that is attached to the stud, and a screw head for turning. The washer serves to distribute the load more evenly across the surface it is attached to, reducing the risk of damage to the material and enhancing the fastening security ².

Role and Function

The 3074350 Studded Captive Washer Screw is utilized in truck operations to secure components that require a robust and reliable fastening solution. It interacts with other parts by threading into a pre-tapped hole, where the captive washer ensures a tight and even connection. This screw is often used in applications where vibration or movement could loosen traditional fasteners, providing a more secure attachment ¹.

Key Features

The 3074350 Studded Captive Washer Screw is characterized by its design, which includes a durable material composition typically resistant to corrosion and wear. The integrated washer is a distinctive feature that enhances the screw’s performance by providing additional surface area for load distribution. This design also simplifies the installation process, as it eliminates the need for separate washers.

Benefits

Using the 3074350 Studded Captive Washer Screw offers several advantages. Its design contributes to improved durability and enhanced fastening security, which can lead to increased reliability of the fastened components. Additionally, the integrated washer can result in potential cost savings over time by reducing the need for additional fasteners and simplifying the installation process.

Installation Process

Installing the 3074350 Studded Captive Washer Screw involves threading it into a pre-tapped hole until the screw head is flush with the surface. It is important to apply the correct torque to ensure a secure fit without over-tightening, which could damage the screw or the material it is attached to. Best practices include using the appropriate tools and following the manufacturer’s guidelines for torque specifications ².

Maintenance and Troubleshooting

To maintain the 3074350 Studded Captive Washer Screw, regular inspections for signs of wear or corrosion are recommended. If the screw shows signs of damage or if the fastening becomes loose, it should be replaced to ensure the continued reliability of the fastened components. Troubleshooting common issues may involve checking for proper torque application and ensuring that the screw is compatible with the application.

Safety Considerations

When handling and installing the 3074350 Studded Captive Washer Screw, it is important to observe safety guidelines to protect both the installer and the equipment. This includes wearing appropriate personal protective equipment, ensuring the work area is clean and free of obstacles, and following all manufacturer-provided safety instructions.

Cummins Overview

Cummins is a reputable manufacturer with a long-standing history in the automotive and heavy-duty truck industry. Known for their commitment to quality and innovation, Cummins produces a wide range of components designed to enhance the performance and reliability of vehicles. Their products are engineered to meet the demanding requirements of heavy-duty applications, ensuring durability and efficiency in operation.

Integration of Studded Captive Washer Screw (Part 3074350) in Cummins Engines

The Studded Captive Washer Screw (Part 3074350) by Cummins is a component in the assembly and maintenance of several Cummins engine models. This part is integral to ensuring the secure fastening of various engine components, thereby maintaining the structural integrity and operational efficiency of the engines.

G855 Engine

In the G855 engine, the Studded Captive Washer Screw is utilized in multiple applications where high-strength fastening is required. This engine, known for its robust performance, relies on this screw to secure components under high stress and vibration conditions. The screw’s design ensures that the washer remains captive, preventing it from being lost during assembly or maintenance.

N14 CELECT PLUS and N14 MECHANICAL Engines

For the N14 CELECT PLUS and N14 MECHANICAL engines, the Studded Captive Washer Screw plays a role in the engine’s assembly. These engines, which are part of Cummins’ lineup of heavy-duty diesel engines, benefit from the screw’s ability to provide a reliable and secure fastening solution. The screw’s studded feature ensures that it can withstand the rigorous demands of these engines, maintaining the alignment and stability of critical components.

The Studded Captive Washer Screw is strategically placed in areas where it can effectively distribute loads and prevent loosening over time. This is particularly important in the high-performance environment of these engines, where reliability and durability are paramount. The screw’s design allows for easy installation and removal, facilitating efficient maintenance and repair processes.

Role of Part 3074350 Studded Captive Washer Screw in Engine Systems

The part 3074350 studded captive washer screw is integral to the secure assembly and reliable operation of various engine components.

Air Intake Manifold

In the air intake manifold, the 3074350 studded captive washer screw ensures a tight and consistent seal between the manifold and the engine block. This secure fit is important for maintaining optimal airflow into the combustion chambers, which directly influences engine performance and efficiency. The screw’s design prevents loosening over time, even under the dynamic conditions of engine operation, thus ensuring a stable connection that withstands vibrations and thermal expansions.

Turbocharger Arrangement

Within the turbocharger arrangement, the 3074350 studded captive washer screw plays a role in attaching the turbocharger to the engine and exhaust system. This connection is important for the turbocharger’s efficient operation, as it must withstand high pressures and temperatures. The screw’s studded design provides additional stability and resistance to the forces exerted during turbocharger operation, ensuring that the components remain securely fastened. This reliability is key to maintaining the turbocharger’s performance and longevity, contributing to the overall efficiency and power output of the engine.

Conclusion

The 3074350 Studded Captive Washer Screw is a vital component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its design, which includes an integrated washer, enhances load distribution and fastening security, contributing to the durability and reliability of the fastened components. Proper installation, maintenance, and adherence to safety guidelines are essential to maximize the benefits of this Cummins part. The integration of this screw in critical engine systems underscores its importance in ensuring the structural integrity and operational efficiency of heavy-duty applications.