3070526
Studded Hexagon Cap Screw
Cummins®

The 3070526 Studded Hexagon Cap Screw is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, ensuring secure and reliable fastening of components. Its robust construction and precise engineering make it a vital component in the maintenance and operation of heavy-duty vehicles.

Basic Concepts of Studded Hexagon Cap Screws

A studded hexagon cap screw is a type of fastener characterized by a hexagonal head and a threaded shank that extends beyond the nut it secures. This design allows for easy tightening and loosening using a wrench or socket. In mechanical assemblies, studded hexagon cap screws are used to join components securely, providing a strong and durable connection that can withstand significant stress and vibration ¹.

Purpose of the 3070526 Studded Hexagon Cap Screw in Truck Operation

The 3070526 Studded Hexagon Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is commonly used in applications where high strength and resistance to vibration are required, such as in the fastening of engine components, transmission parts, and chassis assemblies. Its functional importance lies in its ability to maintain secure connections under the demanding conditions encountered in heavy-duty truck operations ².

Key Features

The 3070526 Studded Hexagon Cap Screw boasts several key features that enhance its performance and durability. Its design includes a hexagonal head for easy engagement with tools, a shank that extends beyond the nut for additional strength, and a threaded portion that ensures a tight and secure fit. The screw is made from high-quality materials, typically alloy steel, which provides excellent tensile strength and resistance to corrosion. Additionally, the screw may feature a studded design that offers increased load-bearing capacity and improved resistance to loosening under vibration ³.

Benefits

The 3070526 Studded Hexagon Cap Screw offers several benefits that make it an ideal choice for commercial truck applications. Its improved fastening strength ensures that components remain securely attached, even under heavy loads and dynamic conditions. The screw’s resistance to vibration helps prevent loosening over time, reducing the need for frequent re-tightening. Furthermore, its longevity in harsh operating conditions ensures that it maintains its performance and reliability throughout the vehicle’s service life ⁴.

Installation Guidelines

Proper installation of the 3070526 Studded Hexagon Cap Screw is crucial for achieving secure and effective fastening. To install the screw, first, ensure that the mating surfaces are clean and free of debris. Align the screw with the corresponding hole and begin threading it by hand to avoid cross-threading. Once the screw is started, use a wrench or socket to tighten it to the specified torque. It is important to follow the torque specifications provided by the manufacturer to ensure that the screw is tightened to the correct level without over-tightening, which could damage the threads or the components being fastened.

Troubleshooting and Maintenance

Common issues associated with studded hexagon cap screws include loosening due to vibration, corrosion, and wear. To troubleshoot these problems, regularly inspect the screws for signs of loosening or damage. If a screw appears loose, re-tighten it to the specified torque. In cases of corrosion, clean the affected area and apply a corrosion-resistant coating or replace the screw if necessary. Regular maintenance, such as periodic re-tightening and inspection, can help prolong the life of the screw and ensure continued reliable performance.

Cummins: Manufacturer Overview

Cummins Inc. is a globally recognized leader in the design, manufacture, and distribution of diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all of which are engineered to meet the rigorous demands of heavy-duty applications. Cummins’ commitment to quality is evident in its rigorous testing protocols, advanced manufacturing processes, and continuous investment in research and development.

Engine Compatibility with Studded Hexagon Cap Screw Part 3070526

The Studded Hexagon Cap Screw part number 3070526, manufactured by Cummins, is a critical component in various engine configurations. This part is designed to provide secure fastening in high-stress environments, ensuring the integrity and reliability of the engine assemblies.

Cummins N14 Engines

The part 3070526 is compatible with the Cummins N14 engines, specifically the N14 CELECT PLUS and N14 MECHANICAL variants. In these engines, the studded hexagon cap screw is utilized in several key areas, including securing engine mounts, attaching critical components to the engine block, and ensuring the stability of various engine accessories.

Cummins QSK19 Engines

In the QSK19 CM2350 K105 engine, the 3070526 part is employed to fasten components that require high torque and durability. This includes securing the engine to the chassis, attaching turbochargers, and ensuring the alignment and stability of the engine’s internal components.

Cummins QSN14 and QSNT14 Engines

The part 3070526 also fits seamlessly with the QSN14 CM876 N103 and QSNT14 CM876 N102 engines. In these configurations, it is used to secure various engine mounts and accessories, ensuring that all parts remain firmly in place under operational stresses.

Application Across Cummins Engines

The studded hexagon cap screw part 3070526 is a versatile component that finds application across multiple Cummins engine models. Its design and material properties make it suitable for high-stress environments, providing the necessary strength and reliability to maintain engine integrity. Whether used in the N14 series, QSK19, QSN14, or QSNT14 engines, this part plays a crucial role in ensuring the secure attachment of various engine components.

Role of Part 3070526 Studded Hexagon Cap Screw in Engine Systems

The Part 3070526 Studded Hexagon Cap Screw is integral to the secure assembly and operation of various engine components. Its application spans across multiple systems, ensuring stability, alignment, and efficient functionality.

Accessories and Wiring

In the accessories and wiring systems, the Studded Hexagon Cap Screw is employed to fasten electrical components and wiring harnesses. This ensures that connections remain secure, minimizing the risk of electrical faults and enhancing the reliability of the engine’s electrical system.

Aid and Coolant Heater Starting Arrangement

For the aid and coolant heater starting arrangement, the screw plays a significant role in mounting the coolant heater and associated components. This secure attachment is vital for the proper functioning of the starting system, especially in cold conditions where reliable heating is essential.

Lifting and Bracket Applications

In lifting and bracket applications, the Studded Hexagon Cap Screw is used to attach lifting brackets and supports. This is particularly important during engine maintenance and installation, where secure lifting points are necessary to safely maneuver and position the engine.

Breather Assembly and Drive Components

Within the breather assembly and drive components, the screw ensures that all parts are tightly secured. This is important for maintaining the integrity of the breather system, which helps manage pressure and contaminants within the engine.

Front Gear Train Accessory and Mounting Bracket

For the front gear train accessory and the front lifting mounting bracket, the Studded Hexagon Cap Screw provides the necessary tension and stability. This ensures that the gear train operates smoothly and that the engine can be safely lifted and positioned during installation or removal.

Railcar Installation Package

In the context of railcar installation, the screw is used in various mounting and securing applications. It helps in attaching components to the railcar frame, ensuring that all parts remain firmly in place during operation, which is essential for the safety and performance of the railcar.

Conclusion

The 3070526 Studded Hexagon Cap Screw is a critical component in the maintenance and operation of commercial trucks, particularly in Cummins engines. Its robust design, high-quality materials, and precise engineering ensure secure and reliable fastening of various engine components. Proper installation and regular maintenance are essential to maximize the performance and longevity of this part, contributing to the overall reliability and efficiency of heavy-duty vehicles.