3252869
Socket Head Cap Screw
Cummins®

The 3252869 Socket Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial truck applications. Cummins, a well-established name in the automotive and heavy-duty truck industry, produces this screw to meet the demanding requirements of truck operations. This part is integral to ensuring the secure assembly and reliable performance of various truck components.

Basic Concepts of Socket Head Cap Screws

A Socket Head Cap Screw is a type of fastener characterized by a hexagonal socket in the head, allowing it to be driven using a hex key. These screws are commonly used in mechanical assemblies where high strength and precision are required. They function by securely fastening components together, providing a robust connection that can withstand significant stress and vibration ¹.

Purpose of the 3252869 Socket Head Cap Screw in Truck Operations

The 3252869 Socket Head Cap Screw plays a specific role in the operation and maintenance of commercial trucks. It is utilized in various truck systems, including engine components, transmission assemblies, and chassis structures. This screw ensures that critical parts remain firmly attached, contributing to the overall stability and performance of the truck. Its applications range from securing engine mounts to fastening transmission housings, highlighting its versatility and importance in truck maintenance ².

Key Features

The 3252869 Socket Head Cap Screw boasts several key features that enhance its performance in heavy-duty applications. Its design includes a hexagonal socket head, which allows for easy installation and removal using a hex key. The screw is made from high-strength materials, ensuring it can withstand the rigors of commercial truck use. Additionally, it features a fully threaded design, providing maximum engagement with the mating component, and a cap head that distributes load evenly, reducing the risk of stripping or damage.

Benefits

Using the 3252869 Socket Head Cap Screw offers several benefits. Its high-strength material composition ensures durability, making it resistant to wear and corrosion, which are common issues in the harsh environments trucks often operate in. The screw’s design allows for ease of installation, reducing downtime during maintenance procedures. Furthermore, its resistance to corrosion extends the lifespan of the fastener, contributing to the overall reliability of the truck ³.

Installation and Usage

Proper installation of the 3252869 Socket Head Cap Screw is crucial for ensuring its effectiveness. It is recommended to use a torque wrench to achieve the specified torque settings, which can be found in the manufacturer’s guidelines. This ensures that the screw is tightened to the correct level, providing a secure connection without over-tightening, which could lead to damage. The use of the appropriate hex key is also important to avoid stripping the socket.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws include loosening over time due to vibration or wear. Regular inspection and tightening can prevent these issues. Signs of wear or failure, such as corrosion or stripped sockets, should be addressed promptly to avoid component failure. Maintenance tips include keeping the screw and surrounding areas clean and free of debris, which can contribute to corrosion.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, with a history of producing high-quality components. Their reputation is built on a commitment to innovation, reliability, and performance. Cummins offers a wide range of products designed specifically for commercial trucks, ensuring that their components meet the rigorous demands of heavy-duty applications. Their expertise in engine and component manufacturing makes them a trusted name in the industry.

Socket Head Cap Screw (Part 3252869) Compatibility with Cummins Engines

The Socket Head Cap Screw, part number 3252869, manufactured by Cummins, is a versatile component designed to fit various engine models. This part is integral in securing different engine components, ensuring stability and reliability during operation. Below is a detailed breakdown of its compatibility across various Cummins engines:

B5.6 and B6.7 Series Engines

• B5.6 CM2670 B152B
• B6.7 CM2670 B153B
• X11 CM2670 X126B
• X12 CM2670 X121B

These engines, part of the B series, utilize the Socket Head Cap Screw in several critical applications. The screw is often used in securing engine blocks, cylinder heads, and various other components, ensuring that these parts remain tightly fastened under operational stresses.

ISM and ISM11 Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines benefit from the Socket Head Cap Screw in maintaining the structural integrity of the engine. This screw is commonly used in fastening the engine’s internal and external components, ensuring that the engine operates smoothly and efficiently.

L10 Series Engines

• L10 GAS
• L10 MECHANICAL

In the L10 series, the Socket Head Cap Screw is essential for securing the engine’s gas and mechanical components. Its robust design ensures that these parts remain firmly in place, contributing to the engine’s overall performance and longevity.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS

The M11 series engines, known for their advanced technology, also incorporate the Socket Head Cap Screw in various applications. This screw is used to secure critical components, ensuring that the engine maintains its structural integrity and operates efficiently.

NH/NT 855 and QSC8.3 Series Engines

• NH/NT 855
• QSC8.3 CM850 (CM2850)

These engines utilize the Socket Head Cap Screw in securing multiple components, including engine blocks and heads. The screw’s design ensures that these parts remain tightly fastened, contributing to the engine’s overall performance and reliability.

QSM11 Series Engine

• QSM11 CM570

The QSM11 engine also relies on the Socket Head Cap Screw for securing various components. This screw is essential in maintaining the engine’s structural integrity, ensuring that it operates smoothly and efficiently.

The Socket Head Cap Screw, part number 3252869, is a critical component in ensuring the reliability and performance of these Cummins engines. Its use across various engine models highlights its versatility and importance in the engine assembly process.

Role of Part 3252869 Socket Head Cap Screw in Engine Systems

The part 3252869 Socket Head Cap Screw is integral to the secure assembly and operation of various engine components. Its design allows for efficient torque application, ensuring components remain firmly in place under operational stress.

Compressor Coolant System

In the compressor coolant system, the Socket Head Cap Screw secures the arrangement of coolant passages and compressor housing. This ensures a tight seal, preventing coolant leaks and maintaining efficient heat transfer. The screw’s robust design withstands the pressure and temperature variations within the system, contributing to the overall reliability of the cooling process.

Flexplate and Flywheel Assembly

When integrating the flexplate and flywheel, the Socket Head Cap Screw plays a significant role in maintaining the precise alignment between these components. This alignment is essential for the smooth transmission of power from the engine to the transmission. The screw’s ability to provide a strong, consistent hold ensures that the flexplate and flywheel operate in unison, reducing the risk of mechanical failure.

Shield and Heat Management

In applications involving shields designed to protect sensitive components from heat, the Socket Head Cap Screw secures the shield in place. This is particularly important in areas where heat dissipation is a concern, such as near exhaust manifolds or high-temperature components. The screw ensures that the shield remains effectively positioned, safeguarding adjacent parts from excessive heat and potential damage.

Overall, the part 3252869 Socket Head Cap Screw is a versatile fastener that enhances the integrity and performance of various engine systems by providing reliable fastening solutions.

Conclusion

The 3252869 Socket Head Cap Screw is a critical component in the operation and maintenance of commercial trucks and Cummins engines. Its robust design, high-strength material, and versatile applications make it an essential fastener for ensuring the secure assembly and reliable performance of various truck and engine components. Proper installation, regular maintenance, and understanding its role in different systems are key to maximizing the benefits of this Cummins part.