3336472
Socket Head Cap Screw
Cummins®

The 3336472 Socket Head Cap Screw, manufactured by Cummins, is a specialized fastener designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, particularly in diesel engines and related components, produces this screw to meet the demanding requirements of heavy-duty vehicles. Fasteners like the 3336472 are integral to the structural integrity and operational efficiency of commercial trucks, ensuring components are securely fastened and systems function as intended.

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 by a hex key. This design provides a more secure fit compared to traditional screws, reducing the risk of cam-out during installation or removal. Socket Head Cap Screws are widely used across various industries for their strength, precision, and ease of use. They are particularly favored in applications requiring high torque and resistance to loosening ¹.

Purpose of the 3336472 Socket Head Cap Screw in Trucks

In commercial trucks, the 3336472 plays a role in securing critical components and assemblies. It is typically used in areas where high strength and resistance to vibration are required, such as in the engine compartment, transmission housing, and chassis. By providing a secure and durable fastening solution, this screw contributes to the overall reliability and safety of the vehicle.

Key Features

This part is crafted from high-quality materials, ensuring durability and resistance to wear. Its design includes a specific thread type that offers optimal load distribution and resistance to loosening under vibration. Unique design elements, such as a countersunk head or specialized coating, may further enhance its performance and longevity in demanding environments ².

Benefits

Utilizing the 3336472 offers several advantages. Its design allows for improved load distribution across the fastened components, enhancing the structural integrity of the assembly. The screw’s resistance to vibration ensures that it remains securely in place under dynamic conditions, reducing the risk of component failure. Additionally, the hexagonal socket head facilitates easy installation and removal, making it a practical choice for maintenance and repair tasks.

Installation Considerations

Proper installation of the 3336472 is vital to ensure optimal performance and longevity. It is recommended to follow the manufacturer’s torque specifications to achieve the correct clamping force without over-tightening, which could damage the screw or the fastened components. Using the appropriate tools, such as a torque wrench and hex key, is also important to ensure accurate and safe installation.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws include loosening due to vibration and corrosion in exposed applications. Regular inspections can help identify these issues early, allowing for timely maintenance or replacement. To prolong the lifespan of the screw, it is advisable to apply a suitable lubricant during installation and to protect the screw from environmental factors that could lead to corrosion ³.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established itself as a trusted provider of diesel engines and related components for a wide range of applications, including commercial trucks. The company’s commitment to innovation, quality, and customer satisfaction has made it a preferred choice in the automotive industry.

Socket Head Cap Screw 3336472 in Cummins Engines

The 3336472, manufactured by Cummins, is a critical component in several of their engine models. This part is integral to the assembly and maintenance of the following engines:

• QSK50: This engine model benefits from the precision and reliability of the 3336472 in its construction and operation.
• CM2350 K108: The 3336472 is used in this model to ensure secure fastening, contributing to the engine’s overall integrity.
• QSV81G and QSV91G: These engines utilize the 3336472 to maintain alignment and stability in various components, enhancing performance and durability.
• QSW/QSV82: The 3336472 plays a pivotal role in the assembly of this engine, providing the necessary strength and security.
• QSW27, QSW36, and QSW73: These models also incorporate the 3336472, ensuring that critical parts are fastened securely, which is essential for the engine’s operation and longevity.

The use of the 3336472 across these engine models underscores its importance in maintaining the structural and functional integrity of Cummins engines.

Component Usage

The 3336472 is a versatile fastener utilized in various engine systems to ensure secure and reliable connections. Here’s how it integrates with the provided components:

• Accessory Sub-Assembly Support: This screw is employed to mount and secure accessory sub-assemblies, ensuring they remain firmly in place during engine operation.
• Aftercooler Assembly Cover: It plays a role in attaching the aftercooler assembly cover, maintaining the integrity of the aftercooler system by preventing vibrations and ensuring a tight seal.
• Air Intake Assembly: Within the air intake assembly, the screw secures components such as the manifold and pipe, guaranteeing a stable airflow into the engine.
• Alternator Arrangement: The screw is used in the alternator arrangement to fasten the alternator to its mounting bracket, ensuring it operates efficiently without movement.
• Camshaft Assembly Gear: It secures the camshaft assembly gear, contributing to the precise timing and operation of the camshaft within the engine.
• Charge Air Assembly Cooler: The screw helps in attaching the charge air assembly cooler, maintaining the efficiency of the air cooling process before it enters the engine.
• Filter Fuel Assembly: In the fuel system, it is utilized to secure the fuel filter assembly, ensuring a stable and leak-free connection.
• Fuel Assembly Plumbing: The screw is integral in the fuel assembly plumbing, securing pipes and fittings to prevent leaks and ensure consistent fuel delivery.
• Intercooler: It is used to attach the intercooler, ensuring it remains securely in place to effectively cool the charge air between stages of compression.
• Manifold Air Intake Assembly: The screw secures the manifold within the air intake assembly, crucial for maintaining the structural integrity and function of the intake system.
• Turbocharger Arrangement: In the turbocharger arrangement, the screw is used to secure various components, ensuring the turbocharger operates efficiently and remains stable under high-stress conditions.

Conclusion

The 3336472 Socket Head Cap Screw is a critical component in the assembly and maintenance of Cummins engines, ensuring secure and reliable connections across various engine systems. Its design and material quality contribute to the overall reliability and safety of commercial trucks, making it an essential part in the automotive industry.