3347655
Hexagon Head Cap Screw
Cummins®

The 3347655 Hexagon Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the commercial truck industry, produces a range of components that contribute to the efficiency and reliability of heavy-duty vehicles. This part plays a significant role in ensuring the structural integrity and functionality of various truck components.

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 cap screw includes a threaded shaft that engages with internal threads in the material being fastened, providing a secure connection. Cap screws are commonly used in mechanical assemblies where high tensile strength and resistance to loosening are required. They are often employed in applications where components need to withstand significant stress and vibration ¹.

Purpose and Role in Truck Operation

This Cummins part is specifically designed for applications within commercial trucks. It serves to fasten critical components, ensuring they remain securely in place under the demanding conditions typical of heavy-duty truck operation. By providing a robust connection, this cap screw contributes to the overall structural integrity of the truck, supporting components that are vital for the vehicle’s performance and safety ².

Key Features

The 3347655 Hexagon Head Cap Screw boasts several key features that enhance its performance in heavy-duty applications. It is constructed from high-strength materials, ensuring durability under stress. The screw features a precise thread type that provides a strong grip, minimizing the risk of loosening over time. Its hexagonal head design allows for easy installation and removal using standard tools. Additionally, the screw may include unique attributes such as a corrosion-resistant coating, which extends its service life in harsh environments ³.

Benefits

Using the 3347655 Hexagon Head Cap Screw offers several advantages. Its high-strength material composition ensures durability, making it suitable for applications where components are subjected to significant stress. The precise thread design enhances resistance to loosening, maintaining a secure connection over time. The hexagonal head facilitates ease of installation and removal, allowing for efficient maintenance and repair procedures.

Installation Guidelines

Proper installation of the 3347655 Hexagon Head Cap Screw is crucial for ensuring its effectiveness. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use a wrench or socket to start the screw by hand, ensuring it engages properly with the internal threads. Once started, continue tightening the screw until the specified torque is achieved. It is recommended to use a torque wrench to ensure accurate tightening, following the manufacturer’s torque specifications to prevent over-tightening or under-tightening.

Troubleshooting Common Issues

Common issues with Hexagon Head Cap Screws may include stripping, corrosion, or loosening. If stripping occurs, it may be necessary to replace the screw and ensure proper torque is applied during reinstallation. Corrosion can be addressed by cleaning the affected area and applying a corrosion-resistant coating. Loosening may be mitigated by re-torquing the screw to the manufacturer’s specifications or investigating potential causes such as vibration or inadequate initial torque.

Maintenance Tips

To ensure the longevity and reliable performance of the 3347655 Hexagon Head Cap Screw, periodic inspections are recommended. Check for signs of corrosion, loosening, or damage. Re-torque the screw as necessary to maintain a secure connection. Additionally, ensure that mating surfaces remain clean and free of debris to prevent issues during installation or operation.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. The company’s extensive product range and commitment to customer satisfaction make it a trusted name among fleet operators and maintenance professionals.

Cummins Hexagon Head Cap Screw 3347655 in Engine Applications

The Cummins Hexagon Head Cap Screw part number 3347655 is a critical component in various engine configurations, ensuring secure fastening and structural integrity. This screw is designed to withstand the demanding conditions found in engine environments, providing reliable performance and durability.

K19 Engine Group

In the K19 engine series, the Hexagon Head Cap Screw 3347655 plays a pivotal role in maintaining the alignment and stability of engine components. This screw is typically used in areas where high torque and vibration resistance are essential, such as securing engine mounts, brackets, and other critical assemblies. The robust design of the screw ensures that it can endure the operational stresses without compromising the engine’s performance.

The precision engineering of the 3347655 screw allows for easy installation and removal, facilitating maintenance and repair processes. Its compatibility with the K19 engine series underscores Cummins’ commitment to providing high-quality, reliable parts that enhance engine longevity and efficiency.

Role of Part 3347655 Hexagon Head Cap Screw in Engine Systems

The part 3347655 Hexagon Head Cap Screw is integral to the assembly and securement of various components within engine systems. Its primary function is to provide a robust fastening solution that ensures components remain firmly in place under operational conditions.

Fan Spacer Mounting

In the context of fan spacer mounting, the 3347655 Hexagon Head Cap Screw is utilized to secure the fan spacer to the engine block or the water pump. This screw ensures that the fan spacer maintains its position, which is essential for proper fan alignment. Proper alignment ensures efficient airflow across the radiator, contributing to effective engine cooling. The screw’s hexagonal head allows for easy tightening and loosening using a socket wrench, facilitating maintenance and adjustments as needed.

Radiator Assembly

When it comes to the radiator assembly, the 3347655 Hexagon Head Cap Screw plays a significant role in securing the radiator to the engine compartment. It is often used to fasten the radiator support brackets, ensuring that the radiator remains stable and properly positioned. This stability is vital for maintaining the integrity of the cooling system, as any movement or misalignment could lead to reduced cooling efficiency or even damage to the radiator itself. The screw’s design provides a strong hold, resisting vibrations and stresses that occur during engine operation.

Conclusion

The 3347655 Hexagon Head Cap Screw is a vital component in the maintenance and operation of commercial trucks and engines. Its robust design, high-strength materials, and precise threading ensure reliable performance under demanding conditions. Proper installation, maintenance, and understanding of its role in various engine applications are essential for ensuring the longevity and efficiency of the vehicle.