3336476
Socket Head Cap Screw
Cummins®

The Socket Head Cap Screw, specifically Part #3336476 by Cummins, is a vital component in the realm of commercial trucks. Cummins, a renowned manufacturer in the industry, produces this fastener, which is integral to the assembly and maintenance of heavy-duty vehicles. This screw is designed to meet the rigorous demands of commercial truck operations, ensuring reliable performance and durability.

Basic Concepts of Socket Head Cap Screws

A Socket Head Cap Screw is a type of fastener characterized by its cylindrical head with a hex socket. This design allows for efficient tightening and loosening using a hex key, making it a popular choice in various mechanical applications. The screw threads into a pre-tapped hole, providing a secure fastening solution. Its design is optimized for high torque applications, ensuring stability and resistance to loosening over time ¹.

Purpose of the 3336476 Socket Head Cap Screw in Truck Operations

The 3336476 Socket Head Cap Screw by Cummins plays a specific role in the operation and maintenance of commercial trucks. It is used in applications where secure and durable fastening is required. This screw is often found in engine components, chassis assemblies, and other critical areas where vibration and stress are common. Its purpose is to provide a reliable fastening solution that can withstand the harsh conditions of truck operations.

Key Features

The 3336476 Socket Head Cap Screw is crafted from high-quality materials, ensuring durability and resistance to corrosion. Its design includes a fully threaded shank, allowing for versatile application in various thicknesses of material. The hex socket head facilitates easy installation and removal, while the cap design provides a smooth surface that reduces the risk of damage to connected parts ².

Benefits

Utilizing the 3336476 Socket Head Cap Screw offers several advantages. Its robust construction ensures longevity, reducing the need for frequent replacements. The ease of use with a hex key allows for quick installation and adjustment, enhancing efficiency during maintenance procedures. Additionally, its reliable performance under stress and vibration makes it a preferred choice for heavy-duty applications.

Installation and Usage

Proper installation of the 3336476 Socket Head Cap Screw is crucial for optimal performance. It should be installed in a pre-tapped hole to ensure a secure fit. Using the appropriate hex key, the screw should be tightened to the manufacturer’s specified torque settings to avoid over-tightening, which can lead to damage, or under-tightening, which can compromise the fastening integrity. Regular checks during maintenance can help ensure the screw remains secure and functional.

Troubleshooting and Maintenance

Common issues with Socket Head Cap Screws may include loosening due to vibration or corrosion. Regular inspections during maintenance can help identify these issues early. If loosening is detected, re-tightening to the specified torque is recommended. In cases of corrosion, replacement of the screw may be necessary to maintain the integrity of the fastening. Proper lubrication can also help prevent corrosion and ease of future removal.

Safety Considerations

When working with Socket Head Cap Screws, it is important to observe safety practices to prevent accidents and ensure proper functionality. This includes using the correct tools for installation and removal, adhering to specified torque settings, and wearing appropriate personal protective equipment. Additionally, ensuring that all fasteners are securely tightened helps prevent accidents caused by component failure.

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 a reputation for quality and innovation in the commercial truck industry. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Socket Head Cap Screw 3336476 Compatibility with Cummins Engines

The Socket Head Cap Screw part number 3336476, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This screw is integral in securing components within the engine assembly, ensuring stability and reliability during operation.

Group 1: QSV81G, QSV91G, QSW/QSV82

The Socket Head Cap Screw 3336476 is compatible with the QSV81G, QSV91G, and QSW/QSV82 engines. These engines often require precise fastening solutions to maintain the integrity of their complex assemblies. The screw’s design ensures a secure fit, preventing loosening over time and under varying operational conditions.

Group 2: QSW27, QSW36

For the QSW27 and QSW36 engines, the 3336476 Socket Head Cap Screw provides essential fastening capabilities. These engines typically operate under high stress, and the screw’s robust construction helps in maintaining the structural integrity of the engine components. Its compatibility with these models ensures that the fastening process is both efficient and reliable.

Group 3: QSW73

The QSW73 engine also benefits from the use of the 3336476 Socket Head Cap Screw. This engine model, known for its durability and performance, requires high-quality fasteners to support its demanding operational requirements. The screw’s design allows for easy installation and removal, facilitating maintenance and repair processes.

Group 4: QSZ90

Lastly, the QSZ90 engine is another model that is well-suited for the 3336476 Socket Head Cap Screw. This engine’s design necessitates reliable fastening solutions to ensure optimal performance and longevity. The screw’s compatibility with the QSZ90 model ensures that it can withstand the rigors of continuous operation, providing the necessary support and stability.

Role of Part 3336476 Socket Head Cap Screw in Engine Systems

The part 3336476 Socket Head Cap Screw is integral to the secure assembly and operation of various engine components. It is utilized in fastening the Access Hole Cover, ensuring that access points for maintenance and inspection are properly sealed and secure.

In the Aid Coolant Heater Starting system, this screw plays a role in attaching components that facilitate engine starting in cold conditions by heating the coolant.

For the Air Assembly Cleaner and Air Fuel Assembly Mixer, the Socket Head Cap Screw is employed to fasten components that are essential for the efficient mixing of air and fuel, which is vital for combustion efficiency.

The Air Outlet Assembly Pipe relies on this screw to maintain the integrity of the connections, ensuring that air flow is unimpeded and secure.

In the Arrangement Oil Fill and Assembly for Turbocharger Lubricating Oil, the screw is used to secure components that are part of the oil circulation system, which is necessary for lubrication and cooling of moving parts.

The Assembly Mixer Air Fuel and Breather Crankcase components also utilize this screw to ensure that the mixer and breather systems are correctly assembled, allowing for proper ventilation and mixing processes.

For the Charge Air Cooler Assembly and Crankcase Assembly Breather, the screw is critical in maintaining the structural integrity of these assemblies, which are responsible for cooling the charge air and ventilating the crankcase respectively.

In the Exchanger Assembly Heat and Filter Fuel, the screw is used to secure components that are part of the heat exchange and fuel filtration processes.

The Fuel Assembly Filter and Fuel Pump Assembly Cover also depend on this screw for secure fastening, ensuring that fuel is properly filtered and pumped.

In the Gear Housing Assembly Cover and Housing Accy Drive Pulley, the screw is utilized to fasten components that are part of the gear and accessory drive systems.

The Hydraulic Drive Assembly Cover and Oil Assembly Lubricating use this screw to secure covers and components that are essential for the hydraulic and lubrication systems.

For the Power Take-Off Assembly Housing and Pump Fuel Transfer, the screw is employed to ensure that these components are securely fastened, allowing for efficient power transfer and fuel movement.

In the Sea Water Pump Housing and System Ignition, the screw is used to secure components that are part of the cooling and ignition systems.

Lastly, in the Turbocharger Assembly Plumbing, the screw is utilized to fasten components that are essential for the efficient operation of the turbocharger, ensuring that all connections are secure and leak-free.

Conclusion

The 3336476 Socket Head Cap Screw by Cummins is a critical component in the maintenance and operation of commercial trucks and various engine systems. Its robust design, ease of use, and compatibility with a wide range of Cummins engines make it an essential part for ensuring the reliability and durability of heavy-duty vehicles. Proper installation, regular maintenance, and adherence to safety practices are key to maximizing the benefits of this Cummins part.