3067337
Captive Washer Cap Screw
Cummins®

The Captive Washer Cap Screw, specifically the 3067337 model, is a vital component in the maintenance and operation of commercial trucks. Manufactured by Cummins Inc., a leader in the automotive industry, this part is designed to enhance the efficiency and reliability of truck components. Cummins is renowned for its commitment to quality and innovation, offering a wide range of automotive components that meet the stringent requirements of commercial vehicles.

Basic Concepts of Captive Washer Cap Screw

A Captive Washer Cap Screw is a specialized fastener that integrates a washer into its design. This integration ensures that the washer remains in place during installation, minimizing the risk of loss and ensuring consistent performance. Constructed from high-quality materials, this screw is designed to withstand the rigors of commercial truck operation. The washer within the screw design provides additional sealing and load distribution capabilities, enhancing its functionality within the truck’s mechanical system.

Purpose of the 3067337 Captive Washer Cap Screw in Truck Operation

This Cummins part is utilized in various applications within commercial trucks. It plays a role in securing components, providing a reliable connection that can withstand vibration and stress. This screw contributes to the overall functionality and reliability of truck components by ensuring that parts remain securely fastened, which is vital for the safe and efficient operation of the vehicle.

Key Features

The 3067337 Captive Washer Cap Screw features a robust material composition, typically including high-grade steel or other durable alloys. Its design incorporates a captive washer, which is integrated into the screw head. This design element ensures that the washer does not become misplaced during installation. Additionally, the screw may have unique threading or coating to enhance its performance and durability in demanding environments.

Benefits

Using this Cummins part offers several advantages in truck maintenance. The integrated washer provides improved sealing, which can help prevent leaks and maintain the integrity of connections. Reduced vibration is another benefit, as the washer helps to distribute loads more evenly. Enhanced load distribution contributes to the longevity and efficiency of truck operations by ensuring that components remain securely fastened under various conditions.

Installation Process

Proper installation of the 3067337 Captive Washer Cap Screw involves several steps. First, ensure that the installation area is clean and free of debris. Use the appropriate tools, such as a torque wrench, to install the screw to the manufacturer’s specified torque settings. This ensures that the screw is securely fastened without over-tightening, which could damage the thread or the component being fastened. Following these best practices will help ensure a secure and effective fitting.

Troubleshooting and Maintenance

Common issues with Captive Washer Cap Screws may include loosening over time due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems. If a screw appears loose, it should be re-tightened to the specified torque settings. In cases of corrosion, the screw may need to be replaced to ensure continued reliable performance.

Cummins: A Brief 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 is committed to quality and innovation. The company offers a broad product range that includes engines, powertrains, and components for various industries, including commercial trucking. Cummins’ dedication to excellence ensures that their products, like the 3067337 Captive Washer Cap Screw, meet the high standards required for commercial vehicle applications.

Cummins Captive Washer Cap Screw 3067337 in Engine Applications

The Cummins Captive Washer Cap Screw 3067337 is a critical component in several engine models, ensuring secure fastening and stability. This part is integral to the assembly and maintenance of the following engines:

V903 and VTA903 Engines

In the V903 and VTA903 engines, the 3067337 screw is utilized in various applications where secure fastening is paramount. Its design allows for reliable attachment of components, ensuring that parts remain firmly in place under operational stresses. This screw is particularly important in maintaining the integrity of engine mounts and other critical assemblies.

CM2250 Engine

The CM2250 engine also incorporates the 3067337 screw in several key areas. Its role here is to provide a robust connection between different engine parts, ensuring that the engine operates smoothly and efficiently. The screw’s design and material properties make it suitable for withstanding the high torque and vibrations typical in engine environments.

V105 Engine

In the V105 engine, the 3067337 screw is used to secure various components, contributing to the overall durability and performance of the engine. Its application in this engine model highlights its versatility and importance in maintaining the structural integrity of the engine’s assemblies.

Grouping of Engines

The V903 and VTA903 engines share many common components, including the 3067337 screw, due to their similar design and engineering principles. This commonality allows for easier maintenance and part interchangeability between these models. The CM2250 and V105 engines, while distinct in their own right, also benefit from the reliable performance of the 3067337 screw in their respective assemblies.

Role of Part 3067337 Captive Washer Cap Screw in Engine Systems

The Part 3067337 Captive Washer Cap Screw is instrumental in securing various components within engine systems, ensuring stability and performance.

In the aftercooler mounting, this screw plays a significant role by firmly attaching the aftercooler to the engine structure. This secure attachment is essential for maintaining the efficiency of the aftercooler, which is responsible for cooling the compressed air from the turbocharger before it enters the engine.

Within the air mounting manifold, the Part 3067337 Captive Washer Cap Screw ensures that the manifold remains tightly connected to the engine. This connection is vital for the proper distribution of air throughout the engine system, contributing to optimal performance and fuel efficiency.

In the overall arrangement of the turbocharger, this screw helps in attaching the turbocharger to the engine block or manifold. A secure fit is necessary to withstand the high pressures and temperatures generated by the turbocharger, ensuring reliable operation and longevity.

The manifold itself benefits from the use of this screw by maintaining a tight seal between the manifold and the engine. This seal is crucial for preventing air leaks, which can lead to a loss of power and efficiency.

In the air intake system, the Part 3067337 Captive Washer Cap Screw is used to secure various components, ensuring that the air intake path remains unobstructed and efficient. This contributes to better airflow into the engine, enhancing overall performance.

Lastly, in the context of performance parts, this screw is often utilized in high-performance engine builds to ensure that aftermarket components are securely mounted. This is particularly important in racing or high-stress applications where vibrations and stresses are significantly higher than in standard engine operations.

Conclusion

The 3067337 Captive Washer Cap Screw is a critical component in the maintenance and operation of commercial trucks and engines. Its robust design, integration of a captive washer, and high-quality material composition make it suitable for withstanding the demanding conditions of commercial vehicle applications. Proper installation and regular maintenance are essential to ensure the continued reliability and performance of this part. Cummins Inc.’s commitment to quality and innovation is evident in the design and functionality of the 3067337 screw, making it a valuable asset in the automotive industry.