4062666
Studded Flange Cap Screw
Cummins®

The Studded Flange Cap Screw, identified by Part #4062666, is a component manufactured by Cummins, a renowned name in the automotive and heavy-duty truck industry. This screw is integral to the mechanical systems of heavy-duty trucks, ensuring the secure attachment and integrity of various components. Cummins, with its long-standing reputation for quality and innovation, produces this part to meet the demanding requirements of truck operations ¹.

Basic Concepts

A Studded Flange Cap Screw is a type of fastener characterized by a threaded shank and a flanged head. The flange provides a larger surface area for distribution of clamping force, which enhances the screw’s ability to secure components effectively. Within a truck’s mechanical system, this screw plays a role in fastening components that require a high degree of stability and resistance to vibration and stress ².

Purpose and Role in Truck Operation

The Studded Flange Cap Screw (Part #4062666) is utilized in heavy-duty trucks to secure and maintain the integrity of various components. It is particularly important in applications where components are subject to significant stress or vibration. By providing a secure attachment point, this screw helps ensure that components remain firmly in place, which is vital for the safe and efficient operation of the truck ³.

Key Features

The Studded Flange Cap Screw is designed with several key features that enhance its performance and durability. Its flanged head allows for greater torque application without damaging the surface it is attached to. The screw is typically made from high-strength materials, ensuring it can withstand the rigors of heavy-duty truck use. Additionally, the design of the screw facilitates easy installation and removal, which is beneficial for maintenance purposes.

Benefits

Using a Studded Flange Cap Screw in truck maintenance and operation offers several advantages. The design of the screw contributes to improved reliability by providing a secure fastening solution that resists loosening over time. Its ease of installation reduces maintenance time, and the durability of the screw leads to long-term cost savings by minimizing the need for frequent replacements.

Installation Process

Proper installation of the Studded Flange Cap Screw involves several steps to ensure it functions correctly and safely. First, the mating surfaces should be clean and free of debris. The screw should be inserted into the designated hole and tightened to the manufacturer’s specified torque settings using the appropriate tools. It is important to avoid over-tightening, which can damage the screw or the component it is securing.

Troubleshooting and Maintenance

Common issues with the Studded Flange Cap Screw may include loosening over time or damage from corrosion. Regular inspection during maintenance checks can help identify these issues early. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected screw may need to be replaced to ensure the integrity of the fastening.

Safety Considerations

When working with the Studded Flange Cap Screw, it is important to follow safety guidelines to prevent injury and ensure the component’s proper function. This includes using the correct tools for installation and removal, adhering to torque specifications to avoid over-tightening, and wearing appropriate personal protective equipment (PPE) such as gloves and safety glasses.

Cummins Overview

Cummins is a leading manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a strong reputation among truck operators and maintenance professionals. The company’s focus on research and development ensures that its products, including the Studded Flange Cap Screw, meet the evolving needs of the industry.

Compatibility with Cummins Engines

The Studded Flange Cap Screw, part number 4062666, manufactured by Cummins, is a critical component used in various Cummins engine models. This part is essential for securing flanges and ensuring a tight seal in applications where pressure or fluid containment is necessary. Below is a detailed overview of its compatibility with specific Cummins engines:

ISX Series Engines

• ISX CM570
• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250
• ISX15 CM2250 SN

The Studded Flange Cap Screw is integral to the ISX series engines, providing robust fastening for flanges that are part of the engine’s cooling, exhaust, and other critical systems. Its design ensures that the flanges remain securely attached, which is crucial for maintaining system integrity and performance.

QSX Series Engines

• QSX11.9 CM2250 ECF
• QSX15 CM2350 X105

In the QSX series engines, the Studded Flange Cap Screw is used in similar applications as in the ISX series. Its role is vital in securing flanges that are exposed to high temperatures and pressures, ensuring that the seals and connections remain intact throughout the engine’s operational life.

QSZ Series Engines

• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

The QSZ series engines also benefit from the use of the Studded Flange Cap Screw. This part is used in securing flanges that are part of the engine’s exhaust and cooling systems, ensuring that these components are tightly sealed and securely fastened.

X Series Engines

• X12 CM2350 X119B
• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2350 X134B

In the X series engines, the Studded Flange Cap Screw is employed in various applications to secure flanges that are critical to the engine’s operation. These flanges are often part of the engine’s exhaust and intake systems, where secure fastening is essential to prevent leaks and maintain performance.

Role in Engine Systems

The Studded Flange Cap Screw is a versatile and essential component in Cummins engines, ensuring that flanges remain securely fastened and sealed, which is crucial for the overall performance and longevity of the engine.

Crankcase and Breather Systems

In the crankcase arrangement, the Studded Flange Cap Screw is utilized to secure the crankcase breather system. This system is responsible for releasing pressure built up within the crankcase, which is vital for maintaining engine efficiency and longevity. The breather system often includes a filter to trap contaminants, ensuring that only clean air is reintroduced into the engine. The secure fastening provided by the Studded Flange Cap Screw is essential for preventing leaks and maintaining the system’s effectiveness.

Fuel System Components

Within the fuel system, the Studded Flange Cap Screw plays a significant role in the secure attachment of various components. It is commonly used in the injector plumbing, where it ensures that fuel lines are firmly connected to the injectors. This secure connection is vital for maintaining consistent fuel delivery and pressure, which are critical for engine performance. Additionally, in the priming pump system, the screw ensures that the pump is correctly attached to the fuel lines, facilitating efficient fuel priming and system startup.

Electronic Control Module and Wiring Harnesses

The Studded Flange Cap Screw is also integral in the secure attachment of electronic control module (ECM) wiring harnesses. These harnesses are responsible for transmitting data and power between the ECM and various engine components. A secure connection is essential for reliable data transmission and preventing electrical issues that could lead to engine malfunctions. The screw ensures that the wiring harnesses remain firmly in place, even under the vibrations and stresses of engine operation.

Exhaust and Recirculation Systems

In exhaust systems, particularly those involving recirculation, the Studded Flange Cap Screw is used to secure components that manage the flow of exhaust gases. This includes connections in the exhaust plumbing and recirculation systems, where maintaining a sealed and secure connection is vital for efficient operation and compliance with emissions standards. The screw ensures that these connections remain intact, preventing leaks and ensuring the system functions as designed.

Conclusion

The Studded Flange Cap Screw (Part #4062666) is a versatile and reliable component that enhances the functionality and durability of various engine systems. Its role in securing critical connections and components underscores its importance in maintaining engine performance and reliability.