4983997
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The 4983997 Hexagon Flange Head Cap Screw, manufactured by Cummins, is a critical component in the maintenance and operation of commercial trucks. Cummins ensures that this part meets the rigorous demands of heavy-duty applications ⁴.

Basic Concepts

A Hexagon Flange Head Cap Screw is 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 provides additional surface area to distribute load and prevent the screw from sinking into the material ¹. These screws are used to secure various components, ensuring structural integrity and proper function in mechanical systems.

Purpose and Role in Truck Operation

This Cummins part is specifically designed for use in commercial trucks. It secures critical components such as engine parts, chassis elements, and other structural assemblies. By providing a strong and reliable connection, this screw helps maintain the overall stability and performance of the truck. Its applications range from fastening engine covers to securing brackets and plates within the truck’s framework ².

Key Features

The 4983997 boasts several key features that enhance its functionality. The hexagonal head design allows for easy and precise tightening using common tools. The flange characteristic provides added stability and load distribution, reducing the risk of the screw pulling through the material. Additionally, the screw is crafted from high-quality materials, ensuring durability and resistance to corrosion and wear ³.

Benefits

Using the 4983997 offers several advantages. Its robust construction contributes to the longevity of the fastening application, reducing the need for frequent replacements. The screw’s resistance to vibration helps maintain a secure connection in dynamic environments, such as those encountered in commercial truck operations. Furthermore, the design of the screw facilitates easy installation, saving time during maintenance procedures.

Installation Process

Proper installation of the 4983997 is vital for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to apply the recommended torque specification, which can be found in the vehicle or component manual. This ensures the screw is tightened to the correct level, avoiding over-tightening that could damage the screw or the material it is fastening.

Troubleshooting Common Issues

Common issues with Hexagon Flange Head Cap Screws include loosening due to vibration and corrosion. To address loosening, re-tighten the screw to the specified torque and consider using a thread locker to enhance stability. If corrosion is present, remove the screw, clean the threads, and apply an anti-seize compound before reinstallation to prevent future corrosion.

Maintenance Tips

Regular maintenance of the 4983997 can prevent issues and extend its service life. Inspect the screw periodically for signs of wear, corrosion, or loosening. Clean the screw and surrounding area to remove any buildup that could affect performance. Applying a light coat of lubricant to the threads can also help maintain smooth operation.

Safety Considerations

When working with the 4983997, it is important to follow safety practices. Use the correct tools to avoid damaging the screw or the fastener. Adhere to the specified torque settings to prevent over-tightening, which could lead to stripped threads or material damage. Always wear appropriate personal protective equipment (PPE) when performing maintenance tasks.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has built a reputation for quality and innovation in the commercial truck industry. The company’s extensive product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications ⁴.

The Cummins part 4983997, a Hexagon Flange Head Cap Screw, is designed to be compatible with a range of Cummins engines, including the B3.3, QSB3.3 CM2150, and QSB3.3 CM2250 EC models. This part is integral in securing various components within these engines, ensuring that they remain tightly fastened and operational. Its design allows for effective torque application, which is crucial for maintaining the integrity of the engine’s structure and performance. The use of this screw in these specific engine models highlights its versatility and importance in the assembly and maintenance of these engines.

Role of Part 4983997 Hexagon Flange Head Cap Screw in Engine Systems

The 4983997 Hexagon Flange Head Cap Screw is an essential component in the assembly and maintenance of various engine systems. Its primary function is to provide secure fastening, ensuring that components remain firmly in place under operational conditions.

Integration with the Engine Oil Cooler

In the context of the engine oil cooler, the 4983997 screw plays a significant role in attaching the cooler to the engine block or other structural elements. This secure attachment is vital for maintaining the integrity of the cooling system, which is responsible for regulating the temperature of the engine oil. Proper fastening ensures that the cooler remains in the correct position, allowing for efficient heat exchange and preventing leaks that could lead to system failure.

Application in the Engine Oil System

Within the engine oil system, the 4983997 screw is used to fasten various components such as filters, sensors, and housings. These components are critical for the filtration and monitoring of engine oil, ensuring that it remains clean and at the appropriate temperature. The screw’s flange head design provides additional surface area for torque application, enhancing the security of the fastening and reducing the risk of loosening over time.

Ensuring System Reliability

The reliable performance of the 4983997 screw in these applications contributes to the overall durability and efficiency of the engine systems. By maintaining secure connections, it helps prevent issues such as oil leaks, sensor malfunctions, and structural failures, which can arise from loose or improperly fastened components.

Conclusion

The 4983997 Hexagon Flange Head Cap Screw is a fundamental element in the assembly and maintenance of engine oil and cooling systems, providing the necessary secure fastening to ensure these systems operate efficiently and reliably.