4099509
Module Bracket
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 4099509, is a component manufactured by Cummins, a well-established name in the automotive industry. This screw is significant in the context of heavy-duty trucks, where it contributes to the secure assembly of various parts. Cummins is renowned for its commitment to producing high-quality components, and the 4099509 screw is no exception ².

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 tightening and loosening using a wrench, while the flange provides additional surface area for distribution of the clamping force, reducing the risk of the screw pulling through the material. In a truck’s assembly, these screws are used to join components securely, ensuring structural integrity and reliability ¹.

Purpose and Role in Truck Operation

The 4099509 Hexagon Flange Head Cap Screw plays a specific role in the operation and maintenance of heavy-duty trucks. It is utilized in applications where a high degree of fastening security is required. The screw helps in maintaining the alignment and integrity of truck components under various operational stresses, contributing to the overall durability and performance of the vehicle.

Key Features

The 4099509 Hexagon Flange Head Cap Screw features a hexagonal head design that facilitates easy and precise tightening. The flange beneath the head enhances the screw’s ability to distribute clamping force evenly across the fastened materials. Additionally, the screw is made from high-quality materials, ensuring it can withstand the rigors of heavy-duty truck environments.

Benefits

The 4099509 Hexagon Flange Head Cap Screw offers several benefits. Its design contributes to enhanced durability, making it suitable for demanding applications. The flange helps prevent the screw from loosening over time, which is crucial in maintaining the integrity of truck assemblies. Furthermore, the hexagonal head allows for straightforward installation and removal, enhancing maintenance efficiency.

Installation Process

Proper installation of the 4099509 Hexagon Flange Head Cap Screw involves several steps. First, ensure the mating surfaces are clean and free of debris. Use a wrench to tighten the screw to the specified torque, which ensures the screw is secure without over-tightening, which could damage the screw or the fastened materials. It is also advisable to apply a thread locker to prevent loosening, especially in vibrating environments typical of heavy-duty trucks.

Troubleshooting Common Issues

Common issues with Hexagon Flange Head Cap Screws may include loosening, corrosion, or damage. To address loosening, re-tighten the screw to the specified torque and consider applying a thread locker. Corrosion can be mitigated by selecting screws made from corrosion-resistant materials and ensuring proper maintenance. Damaged screws should be replaced to maintain the integrity of the assembly.

Maintenance Tips

To ensure the longevity and performance of the 4099509 Hexagon Flange Head Cap Screw, regular inspections are recommended. Check for signs of loosening, corrosion, or damage and address any issues promptly. Additionally, following the manufacturer’s guidelines for torque specifications and maintenance practices will help in preserving the screw’s functionality and the overall reliability of the truck.

Cummins: Manufacturer Overview

Cummins has a long-standing reputation in the automotive industry for producing reliable and high-quality components. The company’s history is marked by innovation and a commitment to excellence. Cummins’ range of products, including the 4099509 Hexagon Flange Head Cap Screw, reflects its dedication to meeting the demanding requirements of heavy-duty applications ².

Cummins Hexagon Flange Head Cap Screw 4099509 in KTA19GC Engines

The Cummins Hexagon Flange Head Cap Screw, part number 4099509, is a critical component in the KTA19GC engine series. This part is designed to secure various engine components, ensuring structural integrity and operational efficiency. Its application in the KTA19GC engine involves fastening parts that are subjected to high stress and vibration, making its durability and precision crucial.

In the KTA19GC engine, the 4099509 screw is often used in areas where a strong, reliable connection is necessary. This includes securing engine covers, housings, and other critical assemblies. The screw’s hexagonal flange head provides a larger surface area for torque application, which is essential for maintaining the tightness of connections in high-performance environments.

The use of this screw in the KTA19GC engine ensures that all fastened components remain securely in place, even under the demanding conditions of engine operation. This reliability is vital for the overall performance and longevity of the engine.

Component Usage of the 4099509 Hexagon Flange Head Cap Screw

The 4099509 Hexagon Flange Head Cap Screw is integral to the assembly and functionality of several key components within engine systems. Its design and specifications make it particularly suitable for applications where secure fastening and resistance to vibration are required.

Control Linkage Bracket

In the control linkage bracket, the Hexagon Flange Head Cap Screw ensures a robust connection between the bracket and other components. This bracket is often part of the linkage system that connects various engine controls, such as throttle and fuel injection systems. The screw’s flange head provides additional surface area, enhancing the stability and integrity of the connection, which is vital for precise control and responsiveness.

Governor Mounting

For governor mounting, the Hexagon Flange Head Cap Screw plays a significant role in securing the governor to the engine block or other mounting surfaces. The governor is a device that regulates the speed of the engine by controlling fuel delivery or other parameters. A secure attachment is essential to maintain the governor’s position and functionality, ensuring consistent engine performance across varying loads and conditions.

Linkage

Within the linkage system, which connects various engine components to control mechanisms, the Hexagon Flange Head Cap Screw is used to fasten linkage rods and pivot points. This ensures that the linkage remains aligned and operates smoothly, transmitting motion efficiently from the control inputs to the engine’s moving parts. The screw’s design helps resist loosening due to engine vibrations, maintaining the linkage’s integrity over time.

Governor Control

In the governor control assembly, the Hexagon Flange Head Cap Screw is employed to secure components such as levers, springs, and adjustment mechanisms. These parts work together to modulate the engine’s speed in response to load changes. The screw’s reliable fastening capability ensures that these components remain in proper alignment and function correctly, contributing to stable engine operation.

Roller Bearing

The Hexagon Flange Head Cap Screw is also utilized in the assembly of roller bearings, which are critical for reducing friction in rotating components. Whether securing the bearing housing to the engine block or fastening the bearing’s components together, the screw provides a strong and durable connection. This is essential for the bearing’s performance, as any misalignment or instability can lead to increased wear and reduced efficiency.

Conclusion

Overall, the 4099509 Hexagon Flange Head Cap Screw is a versatile fastener that enhances the reliability and performance of various engine components by providing secure and vibration-resistant connections. Its application in critical areas of engine systems underscores its importance in maintaining the structural integrity and operational efficiency of heavy-duty trucks.