3010592
Captive Washer Cap Screw
Cummins®

The Cummins Captive Washer Cap Screw, part number 3010592, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the commercial truck industry, produces a range of components that enhance the performance and reliability of heavy-duty vehicles. This part is integral to the fastening systems in commercial trucks.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw is a type of fastener that includes an integrated washer. This design ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the fastening process. The screw typically consists of a threaded shaft, a head for driving, and an integrated washer that provides a sealing surface and distributes the load more evenly. In fastening applications, these screws play a role by securing components together while providing a consistent and reliable clamping force ¹.

Purpose of the 3010592 Captive Washer Cap Screw

The 3010592 Captive Washer Cap Screw is designed to play a specific role in the operation and maintenance of commercial trucks. It is used to secure various components, ensuring they remain firmly in place under the demanding conditions encountered in heavy-duty applications. This screw helps maintain the integrity of truck assemblies, contributing to the overall reliability and safety of the vehicle.

Key Features

The 3010592 Captive Washer Cap Screw features a robust design that includes a high-strength material, typically a grade of steel that offers excellent tensile strength and resistance to corrosion. The integrated washer is designed to provide a secure seal and distribute the clamping force evenly across the fastened components. Additionally, the screw may include features such as a torque-limiting design to prevent over-tightening, which can damage the fastener or the components being secured ².

Benefits

Using the 3010592 Captive Washer Cap Screw offers several benefits. The integrated washer simplifies the installation process by eliminating the need for a separate washer, reducing the risk of washer loss during assembly. The design of the screw enhances fastening security by providing a consistent and reliable clamping force. Additionally, the high-strength material and corrosion resistance contribute to the durability of the fastener, ensuring long-term performance in demanding environments.

Installation Process

Proper installation of the 3010592 Captive Washer Cap Screw is important for optimal performance and longevity. The installation process involves the following steps:

1. Ensure the mating surfaces are clean and free of debris.
2. Align the screw with the designated hole in the component.
3. Use the appropriate tool to drive the screw into place, applying steady and even pressure.
4. Torque the screw to the manufacturer’s specified value to achieve the desired clamping force without over-tightening.

Common Applications

The 3010592 Captive Washer Cap Screw is commonly used in various applications within commercial truck assemblies and components. Typical uses include securing engine components, transmission parts, and chassis elements. The screw’s design makes it suitable for applications where a reliable and consistent fastening solution is required.

Troubleshooting and Maintenance

To ensure the longevity and performance of the 3010592 Captive Washer Cap Screw, regular maintenance and troubleshooting are recommended. Common issues may include loosening of the fastener due to vibration or corrosion. To address these issues:

• Inspect fasteners regularly for signs of loosening or corrosion.
• Re-torque fasteners as necessary to maintain the specified clamping force.
• Replace fasteners that show signs of significant wear or damage.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts designed to enhance the performance and durability of commercial vehicles.

Captive Washer Cap Screw (Part 3010592) in Cummins Engines

The Captive Washer Cap Screw, part number 3010592, is a critical component in various Cummins engines, ensuring secure fastening and stability. This part is integral to the assembly and operation of several engine models, providing a reliable method to hold components together under high stress and varying conditions.

N14 CELECT PLUS and N14 MECHANICAL Engines

In the N14 CELECT PLUS and N14 MECHANICAL engines, the Captive Washer Cap Screw is used extensively throughout the engine assembly. Its role is vital in securing various parts, including the cylinder head, engine block, and other critical components. The screw’s design ensures that the washer remains captive, preventing it from dislodging during operation, which is crucial for maintaining engine integrity and performance.

NH/NT 855 Engines

For the NH/NT 855 engines, the Captive Washer Cap Screw is employed in similar applications. It is used to fasten parts that require a high level of security and resistance to vibration. This includes securing the engine block to the frame and other critical assemblies that must remain tightly fastened to ensure the engine operates smoothly and efficiently.

V28 and V903 Engines

In the V28 and V903 engines, the Captive Washer Cap Screw is utilized in various fastening applications. Its design ensures that the washer remains in place, providing a reliable method to secure components that are subject to high stress and dynamic loads. This is particularly important in maintaining the structural integrity of the engine and preventing any loosening of parts that could lead to operational issues.

The Captive Washer Cap Screw is a testament to Cummins’ commitment to quality and reliability, ensuring that each engine component is securely fastened and performs optimally under demanding conditions.

Role of Part 3010592 Captive Washer Cap Screw in Engine Systems

The Part 3010592 Captive Washer Cap Screw is instrumental in securing and maintaining the integrity of various engine components. Its application spans across multiple systems, ensuring that parts remain firmly in place under operational conditions.

Accessory Drive and Conversion Kit

In the accessory drive system, the Captive Washer Cap Screw is used to attach the accessory drive conversion kit to the engine block. This secure attachment is vital for the efficient transfer of power to accessories like the alternator and water pump.

Actuator and Governor Mounting

For the actuator mounting bracket and the governor mounting on the fuel pump, the Captive Washer Cap Screw provides a stable connection. This stability is essential for the precise operation of the actuator and governor, which control fuel delivery and engine performance.

Air Compressor and Fuel Systems

Within the air compressor kit and various fuel system components—such as the EBM: Performance Parts, EBM: Device, and fuel plumbing—the screw ensures that connections are tight and leak-free. This is particularly important in high-pressure systems where even minor leaks can lead to significant performance issues.

Turbocharger and Exhaust Manifold

In the exhaust manifold and turbocharger mounting, the Captive Washer Cap Screw plays a key role in securing the turbocharger to the engine. This securement is necessary to withstand the high temperatures and pressures generated during operation.

Fuel Pump and Plumbing

The screw is also utilized in the fuel pump and throughout the fuel plumbing system, including the fuel supply lines and step valve mounting. Its role here is to maintain the integrity of the fuel delivery system, ensuring consistent fuel pressure and flow.

Timing Control and EBM Components

In timing control systems and EBM components like EBM: Plumbing and EBM: Tubing, the Captive Washer Cap Screw helps in maintaining the precise alignment and connection of parts, which is essential for the accurate timing of engine operations.

Comprehensive Application

Across these systems, the Part 3010592 Captive Washer Cap Screw is a fundamental component in ensuring that engine parts are securely fastened, contributing to the overall reliability and performance of the engine.

Conclusion

The Cummins Captive Washer Cap Screw, part number 3010592, is a critical component in the fastening systems of commercial trucks and Cummins engines. Its robust design, featuring an integrated washer and high-strength material, ensures reliable and secure fastening under demanding conditions. Proper installation and regular maintenance are essential to maximize the performance and longevity of this part, contributing to the overall reliability and safety of the vehicle.