3026676
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by Part #3026676, is a specialized fastener utilized extensively in commercial truck applications. Manufactured by Cummins, a renowned leader in the automotive and heavy-duty truck industry, this screw is integral to ensuring secure and reliable fastenings in various truck components. Cummins’ reputation for quality and innovation underscores the reliability and performance of this part ¹.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and a flange beneath the head. This design allows for efficient torque application and provides a larger bearing surface, which helps distribute load more evenly. In fastening applications, this screw is used to join components securely, playing a vital role in maintaining the structural integrity of the assembly ².

Purpose and Role in Truck Operation

The 3026676 Hexagon Flange Head Cap Screw serves a specific purpose in commercial trucks by providing secure fastenings in critical areas. Its role is to ensure that components remain firmly attached under various operational stresses, thereby contributing to the overall durability and safety of the truck. By maintaining secure fastenings, this screw helps prevent component failure and ensures that the truck operates efficiently and reliably ³.

Key Features

The 3026676 Hexagon Flange Head Cap Screw boasts several key features that enhance its performance. Its hexagonal flange head design allows for easy and precise torque application using standard tools. The screw is typically made from high-strength materials, ensuring durability and resistance to wear. Additionally, the flange provides an increased bearing surface, which helps in distributing the load more effectively and reducing the risk of component deformation.

Benefits

The benefits of using the 3026676 Hexagon Flange Head Cap Screw include improved torque application due to its hexagonal head, which allows for better grip and reduced slippage during tightening. The flange design offers resistance to loosening, ensuring that fastenings remain secure over time. Furthermore, the screw’s material composition contributes to its durability, making it suitable for demanding environments typical of commercial truck operations.

Installation Guidelines

Proper installation of the 3026676 Hexagon Flange Head Cap Screw is crucial for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to apply the specified torque, which can be found in the manufacturer’s guidelines, to avoid over-tightening or under-tightening. It is also advisable to follow a tightening sequence if multiple screws are being used to ensure even distribution of load. Regularly inspect the screws for any signs of wear or damage during routine maintenance checks.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening over time due to vibration or corrosion. To address these issues, regularly inspect the screws and tighten them as necessary. If corrosion is detected, consider applying a corrosion-resistant coating or replacing the screw. Maintenance practices such as keeping the fastening areas clean and free of contaminants can prolong the lifespan of the screw and ensure continued reliable performance.

Safety Considerations

When working with Hexagon Flange Head Cap Screws, it is important to follow safety precautions to prevent accidents and injuries. Use the correct tools, such as a torque wrench, to apply the appropriate amount of torque. Avoid using improvised tools that may not provide accurate torque application. Additionally, always follow manufacturer recommendations for installation and maintenance to ensure the screw performs as intended and to avoid potential hazards.

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 established a strong reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industries. The company’s commitment to excellence is evident in its wide range of products, including the 3026676 Hexagon Flange Head Cap Screw, which is designed to meet the rigorous demands of commercial truck applications.

Cummins Hexagon Flange Head Cap Screw 3026676 in Engine Applications

The Cummins Hexagon Flange Head Cap Screw, part number 3026676, is a critical component in the assembly and maintenance of various engine models. This screw is designed to provide a secure fastening solution, ensuring that engine parts remain tightly secured under operational conditions.

K38 and K50 Engines

In the K38 and K50 engines, the 3026676 screw is utilized in several key areas. These engines, known for their robust performance and reliability, often require precise and durable fastening solutions to maintain structural integrity and operational efficiency. The flange head design of the screw allows for a larger bearing surface, which is essential for distributing the load evenly and preventing damage to the engine components.

The screw’s hex socket allows for easy and efficient tightening using standard tools, which is crucial during both the initial assembly and routine maintenance. Its use in these engines ensures that critical components are held firmly in place, contributing to the overall longevity and performance of the engine.

Grouping of Engines

When considering the application of the 3026676 screw in the K38 and K50 engines, it is important to note that these engines share common design philosophies and engineering principles. The use of this screw in both engine models underscores its versatility and effectiveness in high-stress environments.

By employing the 3026676 screw, manufacturers can ensure that the engines maintain their structural integrity and operational efficiency, which is vital for the performance and reliability of the engines.

Role of Part 3026676 Hexagon Flange Head Cap Screw in Engine Systems

The part 3026676 Hexagon Flange Head Cap Screw is integral to the assembly and secure functioning of various engine components. Its application spans across multiple systems, ensuring stability and efficient operation.

Lubricating Oil Pump Assembly

In the lubricating oil pump system, the Hexagon Flange Head Cap Screw is used to fasten the pump to its mounting. This secure attachment is essential for maintaining the pump’s alignment and ensuring it operates within specified tolerances. The screw’s flange head provides additional surface area, enhancing the grip and reducing the risk of loosening under vibration.

Oil Pump Tubing Mounting

For the oil pump tubing, the Hexagon Flange Head Cap Screw plays a significant role in securing the tubing to its mounting points. This is vital for maintaining the integrity of the oil flow path, preventing leaks, and ensuring consistent lubrication to engine components. The screw’s design allows for easy adjustment and re-tightening, which is beneficial during maintenance or repairs.

Pan and Oil System Integration

When integrating the oil pan with the overall oil system, the Hexagon Flange Head Cap Screw is employed to secure the pan to the engine block. This connection is crucial for containing the oil and providing a stable base for the oil pump and related components. The screw’s robust design ensures that the pan remains firmly in place, even under the dynamic conditions of engine operation.

Pump and Lubricating Oil System

In the pump and lubricating oil system, the Hexagon Flange Head Cap Screw is used to attach various components, such as the pump housing and suction tubes. This secure attachment ensures that the pump can operate efficiently, drawing in and circulating lubricating oil without interruption. The screw’s flange head offers additional torque resistance, which is particularly important in high-stress areas.

Tube and Lubricating Oil Suction

For the lubricating oil suction tubes, the Hexagon Flange Head Cap Screw is utilized to fasten the tubes to their mounting brackets. This secure connection is essential for maintaining the suction path’s integrity, ensuring that the pump can draw oil effectively from the sump. The screw’s design allows for precise alignment, which is critical for the efficient operation of the suction system.

Tube Oil Suction and Transfer Mounting

In the tube oil suction and transfer systems, the Hexagon Flange Head Cap Screw is employed to secure the tubes to their respective mounting points. This ensures that the oil flow path remains intact, facilitating the smooth transfer of oil from the sump to the pump and throughout the engine. The screw’s flange head provides enhanced stability, which is particularly important in areas subject to high vibration.

LP Conversion Kit

Within LP conversion kits, the Hexagon Flange Head Cap Screw is used to secure various components, such as brackets and adapters, ensuring that the conversion process is seamless and secure. This application is essential for maintaining the structural integrity of the kit and ensuring that it functions as intended within the engine system.

Conclusion

Overall, the part 3026676 Hexagon Flange Head Cap Screw is a versatile and reliable component, essential for the secure and efficient operation of various engine systems. Its application across different components underscores its importance in maintaining the overall performance and reliability of the engine.