3067897
Twelve Point Cap Screw
Cummins®

The Twelve Point Cap Screw, Part #3067897, manufactured by Cummins, is a specialized fastener designed for heavy-duty truck applications. Cummins, a renowned name in the automotive and heavy-duty truck industry, produces this component to meet the rigorous demands of truck operations. This screw is integral to ensuring the secure fastening of various truck components, contributing to the overall reliability and performance of heavy-duty vehicles.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw is a type of fastener characterized by its hexagonal socket head, which allows for increased torque application compared to traditional hex-head screws. This design reduces the likelihood of cam-out, where the driver slips out of the fastener head, making it particularly suitable for high-torque applications. In the automotive industry, these screws are commonly used in applications requiring secure and durable fastening solutions, such as engine components, transmission systems, and chassis assemblies ¹.

Role of the Twelve Point Cap Screw in Truck Operation

The Twelve Point Cap Screw (Part #3067897) plays a significant role in the operation and maintenance of heavy-duty trucks. It is utilized in various truck components and systems, including engine mounts, transmission housings, and chassis structures. By providing a secure and stable connection, this screw helps maintain the integrity of these critical components, ensuring optimal truck performance and safety. Its application in high-stress areas underscores its importance in truck maintenance and operation ².

Key Features of the Cummins Twelve Point Cap Screw

The Cummins Twelve Point Cap Screw is distinguished by several key features that enhance its performance and durability. Its design includes a twelve-point socket head, which offers increased torque application and reduced cam-out risk. The screw is made from high-strength materials, ensuring it can withstand the demanding conditions of heavy-duty truck applications. Additionally, its precise manufacturing tolerances guarantee a secure fit and reliable performance in various truck components.

Benefits of Using Cummins Twelve Point Cap Screws

Utilizing Cummins Twelve Point Cap Screws offers several advantages. These screws provide improved fastening security, minimizing the risk of loosening under vibration and stress. Their resistance to cam-out ensures consistent torque application, enhancing the reliability of truck components. Furthermore, the durability of these screws contributes to their longevity in demanding environments, reducing the need for frequent replacements and maintenance.

Installation and Usage Guidelines

Proper installation of the Twelve Point Cap Screw is vital to ensure optimal performance. It is recommended to use a torque wrench to apply the specified torque, which ensures the screw is tightened to the manufacturer’s recommendations without over-tightening. Best practices include cleaning the fastening area to remove any debris or contaminants that could affect the screw’s grip. Additionally, using a thread lubricant can facilitate easier installation and help prevent galling, especially in corrosive environments.

Troubleshooting and Maintenance

Common issues with Twelve Point Cap Screws may include loosening due to vibration or corrosion. Regular inspections can help identify screws that require tightening or replacement. Maintenance practices such as applying a thread locker can enhance the screw’s resistance to loosening. Additionally, protecting the screws from corrosive elements by using appropriate coatings or sealants can prolong their life and ensure continued reliable operation.

Safety Considerations

When working with Twelve Point Cap Screws, it is important to observe several safety guidelines. Proper handling of the screws and tools is necessary to prevent injuries. Using the correct torque specifications during installation helps avoid over-tightening, which can lead to component damage or screw failure. Additionally, wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses is recommended to protect against potential hazards during installation and maintenance procedures.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history dating back to 1919, Cummins has established a strong reputation in the automotive and heavy-duty truck industry for its commitment to quality and innovation. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of various applications. Cummins’ dedication to excellence is reflected in its products, including the Twelve Point Cap Screw, which exemplifies the company’s focus on reliability and performance.

Compatibility of 3067897 with Cummins Engines

This part is a versatile component that fits into various Cummins engine models. It is designed to provide robust fastening solutions, ensuring secure connections in critical engine applications.

K-Series Engines

The screw is compatible with several K-Series engines, including:

• K19
• K38
• K50

These engines are known for their reliability and performance in various industrial applications.

L-Series Engines

For the L-Series engines, this part is suitable for:

• L10 MECHANICAL

This engine model is often used in heavy-duty applications, requiring a secure fastening solution like the 3067897 screw.

M-Series Engines

The screw also fits into the following M-Series engines:

• M11 CELECT PLUS
• M11 MECHANICAL

Both of these engines benefit from the enhanced security provided by the 3067897 screw, ensuring critical components remain tightly fastened.

N-Series Engines

In the N-Series lineup, the screw is compatible with:

• N14 MECHANICAL

This engine is widely used in various industries, and the 3067897 screw ensures the integrity of its connections.

NH/NT Series Engines

The Twelve Point Cap Screw 3067897 is also suitable for:

• NH/NT 855

This engine model is known for its durability and efficiency, and the 3067897 screw plays a crucial role in maintaining its structural integrity.

QSK Series Engines

For the QSK Series engines, the screw fits:

• QSK19 CM500

This engine is designed for high-performance applications, and the 3067897 screw ensures that all components are securely fastened.

V-Series Engines

Lastly, the screw is compatible with the following V-Series engines:

• V28
• V903

These engines are known for their power and efficiency, and the 3067897 screw helps maintain their performance by ensuring secure connections.

Role of Part 3067897 Twelve Point Cap Screw in Engine Systems

This Cummins part is integral to the assembly and maintenance of various engine components. It secures critical parts within the Cummins Electronic Fuel Control Governor, ensuring precise fuel delivery and engine performance. In the EBM Pump and Fuel System, this cap screw plays a role in maintaining the integrity of the fuel pump assembly, contributing to consistent fuel pressure and flow.

Within the Engine Installation Kit and Engine Overhaul Kit, the Twelve Point Cap Screw is used to fasten components during both initial installation and subsequent overhauls. This ensures that all parts are securely in place, which is essential for the engine’s durability and efficiency.

For the F.P. Gasket Set and Fuel Base Pump, the cap screw helps in creating a tight seal, preventing fuel leaks and maintaining the system’s overall integrity. In the Fuel Pump AFC-VS and Fuel Pump and Accessory, it ensures that all connections are secure, which is vital for the reliable operation of the fuel system.

The Fuel Pump Front Cover, Fuel Pump Hardware, and Fuel Pump & Cal Code all benefit from the secure fastening provided by this cap screw, ensuring that these components remain in proper alignment and function correctly.

In the Fuel Transfer Assembly and Pump, the Twelve Point Cap Screw aids in securing the assembly, which is important for the efficient transfer of fuel within the system. It also plays a part in the Non-AFC Auto FP/WW Sump and Non-AFC VS FP/Gov. Sump, ensuring that these sumps are properly sealed and function as intended.

Additionally, in the Engine Cooling System and Throttle Control, the cap screw is used to secure components, contributing to the overall reliability and performance of these systems. Its role in these various engine components underscores its importance in maintaining the engine’s operational integrity and efficiency.

Conclusion

The Twelve Point Cap Screw, Part #3067897, manufactured by Cummins, is a critical component in the maintenance and operation of heavy-duty trucks and engines. Its design, featuring a twelve-point socket head and high-strength materials, ensures secure and durable fastening solutions. The screw’s compatibility with various Cummins engine models highlights its versatility and importance in ensuring the integrity and performance of engine systems. Proper installation, regular maintenance, and adherence to safety guidelines are essential to maximize the benefits of this part.