3046407
Socket Set Screw
Cummins®

The Cummins 3046407 Socket Set Screw is a specialized fastener designed for use in commercial trucks. Its primary function is to secure components in place within the truck’s mechanical systems. A Socket Set Screw, in general, is a type of fastener that is inserted into a pre-drilled hole and tightened to hold parts together. It is commonly used in mechanical assemblies to prevent movement and ensure stability between components ¹.

Basic Concepts of Socket Set Screws

Socket Set Screws operate on the principle of applying pressure to hold components in place. They come in various designs, with the most common types featuring hex sockets or Allen key drive types. These screws function by being driven into a hole adjacent to the parts that need securing. Once tightened, they create a clamping force that keeps the components stationary. The design allows for easy installation and removal using appropriate tools, making them versatile in various mechanical applications ².

Purpose of the 3046407 Socket Set Screw in Truck Operations

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is typically used in areas where components need to be held firmly in place to ensure the truck’s mechanical systems function correctly. This includes applications in the engine, transmission, and other critical systems where stability and precision are necessary. The screw helps maintain the alignment and integrity of these components under various operating conditions ³.

Key Features

The 3046407 Socket Set Screw is characterized by several key features that enhance its performance and durability. It is made from high-quality materials, ensuring strength and resistance to wear. The screw features a specific thread type that provides a secure grip on the components it holds. Additionally, it has a drive type that allows for easy installation and removal using standard tools. Special coatings or treatments may be applied to the screw to improve its resistance to corrosion and other environmental factors, further enhancing its longevity in harsh operating conditions.

Benefits

Using the 3046407 Socket Set Screw offers several advantages. It provides improved security for components, ensuring they remain in place under various operating conditions. The ease of installation and removal allows for quick maintenance and adjustments. The screw’s design also offers resistance to vibration, which is crucial in the dynamic environment of a commercial truck. Additionally, its durability ensures longevity, reducing the need for frequent replacements and maintenance.

Installation and Usage

Proper installation of the 3046407 Socket Set Screw is vital for its optimal performance and safety. It should be installed using the correct torque specifications to ensure it is tightened adequately without over-tightening, which could damage the screw or the components it secures. Recommended tools for installation include an Allen key or hex socket wrench, depending on the drive type of the screw. Following best practices during installation, such as ensuring the screw is perpendicular to the surface and using the appropriate torque, will help maintain the screw’s effectiveness and longevity.

Troubleshooting and Maintenance

Common issues with Socket Set Screws include loosening due to vibration or wear and corrosion in harsh environments. Troubleshooting these issues involves inspecting the screw for signs of wear or damage and ensuring it is properly tightened. Regular maintenance, such as cleaning and reapplying any protective coatings, can help prolong the life of the screw. If the screw shows significant wear or damage, it should be replaced to maintain the integrity of the mechanical system.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and powertrain-related components. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality and innovation. The company’s extensive product range and focus on customer satisfaction have established it as a trusted name in the manufacturing of truck components. Cummins’ dedication to excellence is evident in its rigorous manufacturing processes and continuous investment in research and development.

Compatibility of Socket Set Screw 3046407 with Cummins Engines

The Socket Set Screw part number 3046407, manufactured by Cummins, is a critical component in various engine models. This part is designed to secure and stabilize components within the engine, ensuring optimal performance and reliability. Here is a detailed look at its compatibility across different Cummins engines:

K-Series Engines

• K19
• K38
• K50

This part is integral to the K-Series engines, providing essential fastening for various engine parts. Its precision engineering ensures that components remain securely in place, contributing to the overall efficiency and longevity of these engines.

L-Series Engines

• L10 MECHANICAL

In the L10 MECHANICAL engine, this part plays a pivotal role in maintaining the integrity of the mechanical components. Its design allows for reliable fastening, which is crucial for the engine’s operational stability.

M-Series Engines

• M11 CELECT PLUS
• M11 MECHANICAL

For both the M11 CELECT PLUS and M11 MECHANICAL engines, the Socket Set Screw 3046407 is used to secure various parts, ensuring that the engine operates smoothly and efficiently. This screw’s precision is vital for the delicate balance required in these advanced engine models.

N-Series Engines

• N14 MECHANICAL

The N14 MECHANICAL engine benefits from the Socket Set Screw 3046407, which is used to fasten components that are critical for the engine’s performance. Its reliability and precision are essential for maintaining the engine’s operational standards.

NH/NT Series Engines

• NH/NT 855

In the NH/NT 855 engine, the Socket Set Screw 3046407 is employed to secure various parts, ensuring that the engine maintains its structural integrity and performance. This screw’s design is tailored to meet the specific needs of this engine model.

QSK Series Engines

• QSK19 CM500

The QSK19 CM500 engine utilizes the Socket Set Screw 3046407 to fasten components that are crucial for its operation. This screw’s precision and reliability are key to the engine’s performance and durability.

V-Series Engines

• V28
• V903

For the V28 and V903 engines, the Socket Set Screw 3046407 is used to secure various parts, ensuring that the engine operates efficiently and reliably. Its design is optimized for the specific requirements of these V-Series engines.

The Socket Set Screw 3046407 is a versatile and essential component across a wide range of Cummins engines, providing the necessary fastening and stability required for optimal engine performance.

Role of Part 3046407 Socket Set Screw in Engine Systems

This part is integral to the secure assembly and operation of various engine components. It ensures that parts remain firmly in place, allowing for efficient and reliable engine performance.

Integration with Fuel System Components

• AFC vs Fuel Pump: The Socket Set Screw is used to secure the AFC (Automatic Fuel Control) unit to the fuel pump, ensuring a stable connection that prevents fuel delivery issues.
• AFC-Auto/TMD: In the AFC-Auto/TMD system, this screw plays a role in attaching the TMD (Turbocharger Management Device) to the AFC, maintaining the integrity of the fuel control system.
• Master Fuel Pump: It is employed to fasten the master fuel pump to its mounting bracket, ensuring that the pump operates without vibration or misalignment.
• Fuel Pump & Cal Code: The screw is utilized to secure calibration components to the fuel pump, which is essential for accurate fuel metering.
• Fuel Pump & Drive (Wood): In wooden drive systems for fuel pumps, the Socket Set Screw ensures that the drive mechanism is securely attached, preventing slippage and ensuring consistent fuel flow.
• Fuel Pump AFC-VS: It is critical in attaching the AFC-VS (Variable Speed) unit to the fuel pump, allowing for precise control over fuel delivery rates.
• Fuel/W/O Calibration Code Pump: This screw is used to secure pumps that do not require a calibration code, ensuring they are firmly mounted and operational.
• Hardware Fuel Pump: It secures various hardware components associated with the fuel pump, such as brackets and mounting plates.

Application in Governor Systems

• Governor Housing: The Socket Set Screw is used to attach the governor housing to the engine, ensuring that the governor operates within specified parameters.
• Governor Spring Pack: It secures the spring pack within the governor housing, maintaining the correct tension and operation of the governor mechanism.
• Governor Tractor: In systems where a tractor mechanism is used with the governor, this screw ensures that all components are tightly secured.
• Spring, Governor Max: It is utilized to attach maximum governor springs, ensuring they are correctly positioned and functional.
• Step Control Valve: The screw secures the step control valve, which is essential for modulating fuel delivery based on engine demand.

Use in Aftercooler and Oil Control Systems

• Aftercooler: In aftercooler assemblies, the Socket Set Screw is used to secure various components, ensuring efficient air cooling before it enters the engine.
• Aftercooler - Auto / Hydraulic Assembly: It plays a role in attaching hydraulic components to the aftercooler, maintaining the system’s integrity.
• Oil Control (Top Level Assembly) Valve: The screw is used to secure the oil control valve, ensuring precise oil flow management within the engine.

Miscellaneous Applications

• EBM: Performance Parts: In performance part assemblies, the Socket Set Screw is used to secure high-performance components, ensuring they withstand the rigors of enhanced engine operation.
• Non Aftercooler - Variable Speed: It secures components in variable speed systems that do not use an aftercooler, ensuring smooth operation.
• Pack Spring: The screw is utilized to attach spring packs in various engine systems, maintaining the correct spring tension and function.
• Pump Fuel Variable Speed: It secures variable speed fuel pump components, ensuring they are correctly mounted and operational.
• On Board Spares: In systems where on-board spares are utilized, the screw ensures that spare parts are securely stored and readily accessible.

The Socket Set Screw (part 3046407) is a versatile fastener that ensures the reliable operation of numerous engine components across different systems.

Conclusion

The 3046407 Socket Set Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design and features ensure secure fastening of various engine components, contributing to the overall efficiency and reliability of the mechanical systems. Proper installation, regular maintenance, and timely replacement of this part are essential for the optimal performance of truck and engine systems.