3078053
Captive Washer Cap Screw
Cummins®

The 3078053 Captive Washer Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins is renowned for its high-quality components that enhance the performance and reliability of commercial vehicles. This particular screw is integral to various truck assemblies, ensuring secure and efficient fastening solutions.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw is a type of fastener that includes an integrated washer, which remains attached to the screw during installation. This design eliminates the need for separate washers, streamlining the assembly process and reducing the likelihood of washer loss. These screws are commonly used in mechanical assemblies where consistent and reliable fastening is required, such as in the construction of vehicle frames, engine components, and various structural applications ¹.

Purpose of the 3078053 Captive Washer Cap Screw in Truck Operations

The 3078053 Captive Washer Cap Screw plays a specific role in the operation and maintenance of commercial trucks by providing a secure and durable fastening solution. It is used in critical areas where consistent clamping force is necessary to maintain the integrity of truck components. This screw ensures that parts remain firmly attached, contributing to the overall safety and performance of the vehicle ².

Key Features

The 3078053 Captive Washer Cap Screw boasts several key features that enhance its performance. Its design includes an integrated washer, which simplifies the installation process and ensures consistent pressure distribution. The screw is made from high-quality materials, typically steel, which offers excellent strength and durability. Additionally, the screw features a cap head that provides a larger surface area for driving, making it easier to install and remove using standard tools ³.

Benefits

Using the 3078053 Captive Washer Cap Screw offers several benefits. Its integrated washer design ensures a uniform clamping force, which enhances the reliability of the fastening. The ease of installation reduces assembly time and labor costs. Furthermore, the high-quality materials used in its construction contribute to its durability, making it resistant to wear and corrosion, which is particularly important in the demanding environment of commercial truck operations ⁴.

Installation Process

Proper installation of the 3078053 Captive Washer Cap Screw is crucial for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to install the screw, applying the manufacturer’s recommended torque specifications to avoid over-tightening or under-tightening. It is important to follow the specified torque values to ensure the screw achieves the correct clamping force without damaging the fastener or the surrounding material ⁵.

Troubleshooting Common Issues

Common issues with the 3078053 Captive Washer Cap Screw may include loosening over time due to vibration or corrosion. To address these problems, regularly inspect the screws for signs of wear or damage. If loosening is detected, re-torque the screw to the specified value. In cases of corrosion, consider using a corrosion-resistant coating or replacing the screw if necessary. Ensuring that all screws are properly installed and maintained will help prevent these issues ⁶.

Maintenance Tips

To prolong the service life and maintain the efficiency of the 3078053 Captive Washer Cap Screw, regular maintenance is recommended. Inspect the screws periodically for signs of wear, corrosion, or loosening. Clean the mating surfaces as needed to prevent debris from affecting the fastening integrity. Replace any screws that show significant wear or damage to ensure continued reliable performance. Following these maintenance tips will help sustain the screw’s effectiveness over time ⁷.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has built a reputation for innovation, quality, and reliability in the commercial truck industry. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, all designed to meet the rigorous demands of commercial vehicle applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry ⁸.

Compatibility of 3078053 Captive Washer Cap Screw with Cummins Engines

The 3078053 Captive Washer Cap Screw is compatible with a variety of Cummins engines, ensuring stability and reliability during operation. Below is a detailed description of its compatibility with specified engines:

• GTA38 G CMEICS G116C: Provides essential fastening for critical engine components.
• K19, K38, K50: Used to fasten various parts, ensuring they remain securely in place under operational stresses.
• KTA19GC, KTA19GC CM558: Employed to secure components that require a reliable fastening solution.
• QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G: Maintains a tight and secure connection, vital for performance and longevity.
• QSK19 CM500, QSK19 CM850 MCRS, QSK19G: Ensures components remain securely fastened under significant mechanical stress.
• QSK38 CM2150 MCRS, QSK38 CM850 MCRS: Secures various parts, ensuring they remain in place under operational conditions.
• QSK50 CM2150 K107, QSK50 CM2150 MCRS, QSK50 CM2350 K108: Provides a reliable fastening solution, essential for maintaining engine performance and longevity.
• VTA903 CM2250 V105: Secures various parts, ensuring they remain securely fastened under operational stresses ⁹.

Role of 3078053 Captive Washer Cap Screw in Engine Systems

The 3078053 Captive Washer Cap Screw is integral to the secure assembly and operation of various engine components. It is utilized in the mounting and attachment processes across multiple systems within an engine setup:

• Air Crossover Mounting: Ensures the secure attachment of the air crossover component, vital for efficient air distribution within the engine.
• Base Part and Base Parts: Fastens foundational elements, providing stability and integrity to the engine structure.
• Cooler and Engine Cooler Systems: Mounts and secures these components, ensuring they remain in place and function correctly to regulate engine temperature.
• Torque Conv (Torque Converter): Provides secure attachment, essential for the smooth transfer of power within the engine.
• Cylinder Block and Cylinder Block Assembly: Fastens various components, contributing to the overall structural integrity of the engine.
• Exhaust Manifold / Turbocharger Mounting: Secures the exhaust manifold and turbocharger, ensuring proper alignment and efficient function.
• Fuel Supply Plumbing and Fuel System Accessories: Attaches and secures fuel tubes and related components, ensuring a leak-free and efficient fuel delivery system.
• Fuel Tube and Fuel Tube Mounting: Provides secure attachment, essential for maintaining the integrity of the fuel system.
• Long Block Assy. - 50 and Short Block Assembly - 50, Short Block Assy - K38: Fastens various components, ensuring these assemblies are robust and function correctly.
• Lubricating Oil Cooler Mounting and Oil Connector Mounting: Provides necessary security for these components, critical for maintaining proper lubrication within the engine.
• Oil Cooler, Oil Cooler Kit, and Oiler Cooler Systems: Ensures these components are securely mounted, contributing to effective oil cooling and circulation.
• Overhaul Kit: Utilizes the screw for the secure attachment of various components, facilitating a thorough and effective engine overhaul.
• Turbocharger Plumbing and S&D Mtg. (Supply and Demand Mounting): Secures these components, ensuring they are properly installed and function efficiently within the engine system ¹⁰.

Conclusion

The 3078053 Captive Washer Cap Screw by Cummins is a vital component in the secure assembly and operation of various engine systems. Its design, featuring an integrated washer, simplifies installation and ensures consistent pressure distribution. Made from high-quality materials, this screw offers excellent strength, durability, and resistance to wear and corrosion. Proper installation and regular maintenance are essential to ensure optimal performance and longevity of the screw in demanding commercial truck operations.