3025852
Hexagon Head Cap Screw
Cummins®

Introduction

The Cummins 3025852 Hexagon Head Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. Its purpose is to provide secure and reliable fastening in various components of heavy-duty trucks. The significance of this screw lies in its ability to withstand the demanding conditions encountered in truck operations, ensuring the integrity and performance of critical truck components.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using standard tools such as wrenches or sockets. The design of the screw includes a threaded shaft that engages with the internal threads of a mating part, creating a secure connection. This type of screw is commonly used in applications requiring high strength and resistance to loosening ¹.

Purpose and Role in Truck Operation

The Cummins 3025852 Hexagon Head Cap Screw plays a specific role in the operation and maintenance of heavy-duty trucks by securing various components that are subject to significant stress and vibration. It is used in applications where a strong, durable fastening solution is required to maintain the structural integrity and functionality of truck parts. This screw helps in ensuring that critical components remain securely attached, contributing to the overall reliability and safety of the truck.

Key Features

The Cummins 3025852 Hexagon Head Cap Screw features several key attributes that enhance its performance and durability. These include a robust material composition, typically high-strength steel, which provides excellent resistance to wear and corrosion. The screw also has precise threading that ensures a strong and secure connection. Additionally, the hexagonal head design allows for easy and efficient tightening and loosening using common tools.

Benefits

Using the Cummins 3025852 Hexagon Head Cap Screw offers several benefits. Its durable material composition and precise threading contribute to its high strength and resistance to loosening, even under demanding conditions. The hexagonal head design ensures that it can be easily installed and removed with standard tools, making it convenient for maintenance and repair tasks. Additionally, the screw’s design helps to distribute load evenly, reducing the risk of damage to the mating parts.

Installation Guidelines

To ensure optimal performance and longevity, the Cummins 3025852 Hexagon Head Cap Screw should be installed following these guidelines:

1. Clean the mating surfaces to remove any dirt or debris.
2. Align the screw with the threaded hole.
3. Use a wrench or socket to tighten the screw gradually, ensuring even torque application.
4. Check the torque settings to avoid over-tightening, which can damage the screw or the mating part ².

Troubleshooting and Maintenance

Common issues with Hexagon Head Cap Screws include loosening due to vibration or corrosion. To troubleshoot and maintain these screws:

• Regularly inspect screws for signs of corrosion or damage.
• Re-tighten screws as necessary to maintain secure connections.
• Replace screws that show significant wear or corrosion to prevent failure.

Safety Considerations

When working with Hexagon Head Cap Screws, it is important to follow safety practices to ensure personal protection and proper installation:

• Use the correct tools to avoid stripping the screw head.
• Adhere to recommended torque settings to prevent over-tightening.
• Wear personal protective equipment, such as gloves and safety glasses, to protect against injury.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long history of innovation and excellence in the automotive and heavy-duty truck industry. The company is known for its commitment to quality, reliability, and customer satisfaction, providing solutions that meet the demanding needs of heavy-duty applications.

Engine Compatibility with Hexagon Head Cap Screw 3025852

The Cummins part number 3025852, a Hexagon Head Cap Screw, is designed to fit a variety of Cummins engines. This screw is a crucial component in many engine assemblies, providing secure fastening for various parts. Below is a detailed look at the compatibility of this screw with different Cummins engine models.

Cummins Engine Series Compatibility

6B and 6C Series Engines

• 6B5.9
• 6C8.3

The 6B and 6C series engines are known for their robust design and reliability. The Hexagon Head Cap Screw 3025852 is used in these engines to secure various components, ensuring that they remain tightly fastened under operational stress.

G Series Engines

• G5.9
• G8.3

The G series engines are another range where the 3025852 screw is utilized. These engines are often found in heavy-duty applications, and the screw’s strength and durability make it ideal for maintaining the integrity of the engine assembly.

ISM and ISM CM Series Engines

• ISM CM570
• ISM CM570/870

The ISM and ISM CM series engines benefit from the precise fit and high-strength properties of the 3025852 screw. These engines are typically used in commercial vehicles and require reliable fastening solutions to ensure longevity and performance.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, available in CELECT, GAS, and MECHANICAL variants, all utilize the 3025852 screw. This screw is essential in maintaining the structural integrity of these engines, which are known for their efficiency and power.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS

The M11 series engines, particularly the CELECT and CELECT PLUS variants, incorporate the 3025852 screw in their design. This screw is critical for the assembly and maintenance of these engines, which are widely used in various applications requiring high performance and reliability.

QSM11 CM Series Engines

• QSM11 CM570

The QSM11 CM570 engine is another model that relies on the 3025852 screw. This engine is designed for heavy-duty applications, and the screw’s properties ensure that the engine components remain securely fastened.

V Series Engines

• V903

The V903 engine is a high-performance model that uses the 3025852 screw. This engine is known for its power and efficiency, and the screw plays a key role in maintaining the engine’s structural integrity.

The Hexagon Head Cap Screw 3025852 is a versatile and essential component in the assembly and maintenance of these Cummins engines. Its use across various engine models highlights its importance in ensuring the reliability and performance of Cummins engines.

Role of Part 3025852 Hexagon Head Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 3025852 Hexagon Head Cap Screw is employed across various components to ensure secure fastening and reliable operation. This screw is integral in the installation and maintenance of accessories, providing a steadfast connection that withstands the dynamic forces within the engine environment.

For electric starting systems, the Hexagon Head Cap Screw is used to mount the starter motor to the engine block, ensuring that the starter remains firmly in place during operation. Its application in the alternator location involves securing the alternator to its mounting bracket, which is essential for the consistent generation of electrical power.

In the arrangement of fuel systems, particularly with the fuel governor, this screw plays a part in attaching the governor to the engine, allowing for precise control over fuel delivery. Base parts and engine blocks benefit from the screw’s ability to fasten components such as the clutch and compressor, which are vital for the transmission of power and the management of air within the engine.

The corrosion resistor and coupling components are also secured using the Hexagon Head Cap Screw, which helps in maintaining the integrity of these parts despite exposure to various environmental conditions. Furthermore, in the fuel pump and engine block assembly, this screw ensures that the fuel pump is mounted securely, which is necessary for the consistent delivery of fuel to the engine.

When it comes to the fan drive and filter systems, the screw is used to attach the fan drive to the engine and to secure the lubricating oil and fuel filters in their respective mountings. This is important for the efficient operation of the cooling system and the filtration of contaminants from the engine’s lubricants and fuel.

In fuel filter mounting and fuel tubing, the Hexagon Head Cap Screw is employed to create a leak-proof and vibration-resistant connection, which is critical for the safe and efficient transport of fuel within the engine system.

For the alternator, mounting screws are used to attach the alternator to the engine, ensuring a stable power source for the vehicle’s electrical systems. Similarly, in generator package installations, these screws are used to secure the generator to its frame, which is essential for the reliable production of electricity.

In railcar installations, the screw is utilized in the plumbing and turbocharger components to ensure that all connections are secure and can withstand the rigors of rail transport. The turbocharger location and plumbing also rely on this screw to maintain the turbocharger’s position and the integrity of the plumbing connections.

Lastly, in the water connection systems, the Hexagon Head Cap Screw is used to secure water pumps and related components, ensuring that the cooling water circulates effectively throughout the engine system.

Conclusion

The Cummins 3025852 Hexagon Head Cap Screw is a vital component in the assembly and maintenance of heavy-duty truck engines. Its robust design, high-strength material, and precise threading make it an ideal choice for securing various engine components under demanding conditions. Proper installation, regular maintenance, and adherence to safety practices are essential to ensure the longevity and reliability of this critical fastener.