3336487
Socket Head Cap Screw
Cummins®

The 3336487 Socket Head Cap Screw is a component manufactured by Cummins, a well-established name in the commercial truck industry. This screw is utilized in various applications within commercial trucks, contributing to the overall functionality and reliability of the vehicle.

Basic Concepts of Socket Head Cap Screws

Socket Head Cap Screws are a type of fastener characterized by a hexagonal socket in the head, allowing for efficient and secure tightening using a hex key. They are commonly used in mechanical assemblies where a flush surface is desired after installation. These screws provide a strong, permanent fastening solution and are often employed in applications requiring high torque and resistance to loosening ¹.

Purpose of the 3336487 Socket Head Cap Screw in Trucks

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is designed to secure various components within the truck’s engine and chassis, ensuring that parts remain firmly in place under the stress of regular use. This screw helps maintain the structural integrity and operational efficiency of the truck.

Key Features

This part features a robust design tailored for heavy-duty applications. It is constructed from high-quality materials, ensuring durability and resistance to wear and corrosion. The screw’s hexagonal socket head allows for easy installation and removal using a hex key, while its cap design provides a flush surface once installed, minimizing the risk of damage to surrounding components.

Benefits

Using this part in truck maintenance and repair offers several advantages. Its durable construction ensures long-lasting performance, even under demanding conditions. The ease of use provided by the hexagonal socket head simplifies installation and removal processes, reducing maintenance time. Additionally, the screw’s reliable fastening capability contributes to the overall safety and efficiency of the truck ².

Installation Process

Proper installation of this part involves several steps. Begin by ensuring the mating surfaces are clean and free of debris. Use a hex key to drive the screw into the pre-drilled hole, applying even pressure to avoid cross-threading. Tighten the screw to the manufacturer’s specified torque setting to ensure a secure fit without over-tightening, which could damage the screw or the surrounding material.

Troubleshooting Common Issues

Common problems associated with Socket Head Cap Screws include loosening over time and corrosion. To address loosening, ensure the screw is tightened to the correct torque specification during installation. Regular inspections can help identify screws that may have loosened due to vibration or other factors. Corrosion can be mitigated by selecting screws made from corrosion-resistant materials and applying a protective coating if necessary ³.

Maintenance Tips

Regular maintenance of this part is key to ensuring its longevity and optimal performance. Inspect screws periodically for signs of wear, corrosion, or loosening. Clean the screw and surrounding area as needed to remove dirt and debris that could contribute to corrosion. Replace screws that show significant wear or damage to maintain the integrity of the truck’s components.

Compatibility with Cummins Engines

This part is designed to fit seamlessly with a variety of Cummins engines. It is integral in securing components within the engine assembly, ensuring both stability and reliability.

QSV81G and QSV91G Engines

For the QSV81G and QSV91G engines, this screw is utilized in several critical areas. These engines, known for their robust performance, require precise fastening to maintain operational integrity. The screw’s design allows for easy installation and removal, which is crucial during maintenance and repair procedures.

QSW/QSV82 Engines

In the QSW/QSV82 engines, this part plays a pivotal role in securing various parts of the engine. Its compatibility with these engines ensures that the screw can withstand the operational stresses and temperatures, maintaining its structural integrity over time.

QSW27 and QSW36 Engines

The QSW27 and QSW36 engines also benefit from the use of this part. These engines, often used in heavy-duty applications, require reliable fastening solutions to ensure longevity and performance. The screw’s design and material properties make it an ideal choice for these demanding environments.

QSW73 and QSZ90 Engines

Lastly, the QSW73 and QSZ90 engines incorporate this part in their assembly. These engines, which are part of Cummins’ extensive lineup, rely on this screw for critical fastening needs. The screw’s compatibility with these engines ensures that it can handle the specific demands of each application, providing a secure and durable connection.

Role in Various Engine Components

This part is a versatile fastener that plays a significant role in securing and maintaining the integrity of various engine components. Its application spans across multiple systems within an engine, ensuring that parts remain firmly in place under operational stress.

Assembly Housing Gear and Camshaft Systems

In the assembly housing gear and camshaft systems, this part is utilized to secure the cam within the assy L8+V16. This ensures that the cam operates smoothly and maintains proper alignment with other engine components. The screw’s design allows for precise torque application, which is essential for the consistent performance of the camshaft.

Accessory and Front Gear Train Accessory Drives

For the accessory drive and front gear train accessory drive, this part is employed to fasten components that are critical for the operation of ancillary systems. These may include the CCW (Counter Clockwise) mechanisms that require stable mounting to function efficiently. The screw’s hexagonal socket head allows for easy installation and removal using a socket wrench, facilitating maintenance procedures.

Electric Control Module and Heat Exchanger

The electric control module mounting relies on this part to secure the module in place, ensuring that it remains stable and unaffected by vibrations. Similarly, in the heat exchanger system, these screws are used to attach the heat exchanger to its housing, maintaining the structural integrity necessary for efficient heat transfer.

Fuel System Components

Within the fuel system, this part is instrumental in securing the fuel filter and fuel filter assembly support. This ensures that the fuel filter is held firmly in place, preventing any potential leaks or misalignments that could affect fuel delivery to the engine.

Flywheel and Gear Assembly Housings

The flywheel assembly housing and gear assembly housing both benefit from the use of Socket Head Cap Screws. These screws provide the necessary tension to keep the flywheel and gears securely mounted, which is vital for the transmission of power from the engine to the drivetrain.

Starter Motor Assemblies

In the starting motor and starter motor assembly, this part is used to attach the starter motor to the engine block. This secure attachment is essential for the starter motor to engage the flywheel effectively, initiating the engine start-up process.

Idler Assembly Gear and Starting Assembly Motor

Lastly, the idler assembly gear and starting assembly motor also utilize these screws to ensure that all moving parts are properly secured. This is particularly important in the starting assembly motor, where precise engagement is required for reliable engine starts.

Conclusion

Overall, the 3336487 Socket Head Cap Screw is a fundamental component in the assembly and maintenance of various engine systems, providing the necessary stability and security for optimal engine performance.