3759526
Hexagon Head Set Screw
Cummins®

The Hexagon Head Set Screw, part #3759526, is a product manufactured by Cummins, a well-established name in the commercial truck industry. This screw is utilized in various applications within commercial trucks and plays a significant role in maintaining the integrity and functionality of truck components. Its design and construction are tailored to meet the demanding requirements of heavy-duty truck operations ².

Basic Concepts of Hexagon Head Set Screws

Hexagon Head Set Screws are fasteners characterized by a hexagonal head, which allows for easy installation and removal using a hex key or socket wrench. These screws function by applying pressure to secure components in place, preventing movement and ensuring stability within mechanical systems. Set screws are commonly used across various industries to fasten gears, pulleys, and other rotating or sliding parts, ensuring they remain in the correct position ¹.

Purpose of the 3759526 Hexagon Head Set Screw in Truck Operations

The 3759526 Hexagon Head Set Screw is specifically designed to play a role in the operation and maintenance of commercial trucks. It is used to secure components that require precise positioning and stability, such as bearings, gears, and pulleys. The secure fastening provided by this screw is vital for the reliable performance of truck components, contributing to the overall safety and efficiency of the vehicle ².

Key Features of the 3759526 Hexagon Head Set Screw

The 3759526 Hexagon Head Set Screw is constructed with several key features that enhance its effectiveness and durability. It is made from high-quality materials, typically alloy steel, which provides strength and resistance to wear. The screw features a coarse thread type, which allows for quick and secure fastening. The hexagonal head design enables easy installation and removal, ensuring that maintenance tasks can be performed efficiently ².

Benefits of Using the 3759526 Hexagon Head Set Screw

Using the 3759526 Hexagon Head Set Screw offers several advantages in truck maintenance. The design of the screw enhances security by providing a strong and stable connection between components. Its ease of installation and removal simplifies maintenance tasks, reducing downtime. Additionally, the screw’s resistance to vibration ensures that components remain securely fastened, even under the demanding conditions of truck operations ².

Installation and Usage Guidelines

Proper installation of the 3759526 Hexagon Head Set Screw involves several steps. First, ensure that the components to be fastened are correctly aligned. Use a hex key or socket wrench to insert the screw and tighten it to the recommended torque settings. The appropriate tools for this task include a torque wrench to ensure the screw is tightened to the correct specification. Common applications for this screw within truck maintenance include securing bearings, gears, and pulleys ².

Troubleshooting and Maintenance

Common issues with Hexagon Head Set Screws include loosening due to vibration or wear. To address these issues, regularly inspect screws for signs of wear or loosening and tighten or replace them as necessary. Maintenance tips to ensure the longevity and effectiveness of the screw include using the correct torque settings during installation and periodically checking the tightness of the screw. Signs of wear, such as corrosion or damage to the head, indicate that the screw should be replaced ².

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its history of innovation and commitment to quality. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins’ reputation for producing reliable and high-performance components is built on its dedication to engineering excellence and customer satisfaction. The 3759526 Hexagon Head Set Screw is a testament to Cummins’ commitment to providing durable and effective solutions for the commercial truck market ².

Hexagon Head Set Screw 3759526 Compatibility with Cummins Engines

The Hexagon Head Set Screw part number 3759526, manufactured by Cummins, is a versatile component that fits into a variety of Cummins engines. This screw is designed to provide a secure fastening solution in various engine applications, ensuring that components remain tightly secured during operation ².

Mechanical Engines

• L10 MECHANICAL
• M11 MECHANICAL

These mechanical engines utilize the 3759526 screw in several critical areas where a reliable and robust fastening method is required. The screw’s design ensures that it can withstand the mechanical stresses encountered in these engines ².

QSB Series Engines

• QSB5.9 CM850
• QSB6.7 CM850 (CM2850)
• QSB6.7 M CM2250
• QSB7 CM2880 B117

The QSB series engines, known for their durability and performance, incorporate the 3759526 screw in various applications. This screw is particularly useful in securing components that are subject to high torque and vibration, ensuring longevity and reliability ².

QSC Series Engines

• QSC8.3 CM850 (CM2850)

In the QSC8.3 CM850 engine, the 3759526 screw is used in areas that require a strong and precise fastening method. Its hex head design allows for easy and efficient tightening with a wrench, making it ideal for maintenance and assembly tasks ².

ISM and ISX Series Engines

• ISM CM570
• ISM11 CM876 SN
• ISX CM570
• ISX CM870
• ISX15 CM2250 SN

The ISM and ISX series engines, which are known for their power and efficiency, use the 3759526 screw in multiple applications. This screw is particularly useful in securing components that are exposed to high temperatures and pressures, ensuring that the engine operates smoothly and reliably ².

ISF and ISG Series Engines

• ISF2.8 CM2220 F129
• ISG11 CM2880 G108
• ISG12 CM2880 G107

The ISF and ISG series engines incorporate the 3759526 screw in various applications where a secure and precise fastening method is required. This screw is ideal for use in components that are subject to frequent vibrations and mechanical stresses ².

QSK Series Engines

• QSK19G

The QSK19G engine utilizes the 3759526 screw in several critical areas. Its design ensures that it can withstand the high stresses and demands of heavy-duty applications, providing a reliable fastening solution ².

QSM and QST Series Engines

• QSM11 CM570
• QST30 CM552

The QSM11 CM570 and QST30 CM552 engines use the 3759526 screw in various applications, ensuring that components remain securely fastened under demanding conditions. This screw is particularly useful in areas that require a strong and durable fastening method ².

X15 Series Engines

• X15 CM2350 X123B

The X15 CM2350 X123B engine incorporates the 3759526 screw in several applications where a reliable and robust fastening method is required. This screw is designed to provide a secure fastening solution in various engine components, ensuring that they remain tightly secured during operation ².

Role of Part 3759526 Hexagon Head Set Screw in Engine Systems

The part 3759526 Hexagon Head Set Screw is integral to the assembly and maintenance of various engine components, ensuring secure and reliable connections. In the context of an aftermarket turbocharger, this screw is often used to fasten the turbocharger to the engine block or exhaust manifold, providing a stable mounting point that can withstand high temperatures and vibrations.

Within the Dina Mexico Conv system, the Hexagon Head Set Screw is employed in the fastening of the fastener & finishing kit, which is essential for the precise alignment and secure attachment of turbocharger components. This ensures optimal performance and longevity of the turbocharger.

For the H2 Turbocharger and its associated overhaul kit, the 3759526 screw plays a role in securing the pre-set turbine housing kit and other critical components. Its use in the turbine housing and turbine housing repair kit ensures that the housing remains intact under the extreme conditions encountered during operation.

In the realm of performance parts, particularly those designated as AFC (Aftermarket Forced Induction) and non-AFC, the Hexagon Head Set Screw is utilized to secure various components, including the turbocharger actuator kit and turbocharger and connection parts. This is vital for maintaining the integrity of the forced induction system, which is paramount for enhanced engine performance.

Furthermore, in the assembly of a turbocharger conversion kit or a turbocharger H2C (Hybrid Two-Stage Compressor), the 3759526 screw is used to fasten the turbocharger to its location on the engine, ensuring that all connections are secure and vibration-resistant.

Lastly, in the turbocharger repair kit, this screw is often used to reassemble components after maintenance or repair, guaranteeing that all parts are correctly and firmly attached, thus restoring the turbocharger to its optimal working condition ².

Conclusion

The 3759526 Hexagon Head Set Screw is a critical component in the maintenance and operation of commercial trucks and various Cummins engines. Its design, durability, and ease of use make it an essential part for securing components under demanding conditions. Proper installation, regular maintenance, and understanding its role in engine systems ensure the longevity and reliability of truck and engine performance.