3612754
Hexagon Head Cap Screw
Cummins®

The Cummins Hexagon Head Cap Screw, part number 3612754, is a specialized fastener designed for use in commercial trucks. Cummins, a prominent name in the commercial truck industry, produces a range of components that ensure the reliability and efficiency of heavy-duty vehicles. This part is integral to the assembly and maintenance of these trucks, providing secure fastening in various applications.

Basic Concepts of Hexagon Head Cap Screws

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using standard tools such as wrenches or sockets. These screws are commonly used in fastening applications where a high degree of torque is required. Mechanically, the hexagonal head design ensures that the screw can be turned with minimal slippage, providing a secure and stable connection ¹.

Purpose of the 3612754 Hexagon Head Cap Screw in Truck Operation

The 3612754 Hexagon Head Cap Screw plays a significant role in the assembly and maintenance of commercial trucks. It is utilized in various truck components, including engine mounts, chassis assemblies, and other critical areas where secure fastening is necessary. The screw ensures that parts remain firmly in place, contributing to the overall structural integrity and performance of the truck ².

Key Features of the 3612754 Hexagon Head Cap Screw

The 3612754 Hexagon Head Cap Screw is designed with several key features that enhance its performance and reliability. It is constructed from high-strength materials, typically alloy steel, which provides durability and resistance to wear. The screw features a fine or coarse thread, depending on the specific application, allowing it to grip effectively in various materials. The hexagonal head is meticulously machined to ensure precise fitment with standard tools, facilitating easy installation and removal ³.

Benefits of Using the 3612754 Hexagon Head Cap Screw

Using the 3612754 Hexagon Head Cap Screw offers several advantages. Its high-strength material composition ensures durability, making it suitable for heavy-duty applications. The screw’s design resists loosening over time, even under vibration and dynamic loads, which is common in commercial truck operations. Additionally, the hexagonal head allows for easy use with standard tools, simplifying the installation and maintenance processes.

Installation and Usage Guidelines

Proper installation of the 3612754 Hexagon Head Cap Screw is vital to ensure its effectiveness and longevity. It should be installed using the appropriate torque specifications to achieve the desired clamping force without over-tightening, which could damage the screw or the fastened components. Recommended practices include cleaning the mating surfaces before installation to remove any debris or contaminants that could affect the screw’s performance. Additionally, using a torque wrench to apply the correct amount of torque is advisable to ensure a secure and reliable connection.

Troubleshooting Common Issues

Common issues associated with Hexagon Head Cap Screws include stripping and corrosion. Stripping can occur if the screw is over-tightened or if the material it is fastening into is too soft. To address this, it is important to use the correct torque specifications and ensure that the screw is compatible with the material being fastened. Corrosion can be mitigated by selecting screws made from corrosion-resistant materials and applying a protective coating if necessary. Regular inspection and maintenance can help identify and address these issues before they lead to more significant problems.

Maintenance Tips

Regular maintenance of Hexagon Head Cap Screws is essential to ensure their longevity and reliable performance. This includes periodic inspection for signs of wear, corrosion, or loosening. Screws that show signs of damage or excessive wear should be replaced to maintain the integrity of the fastened components. Additionally, ensuring that mating surfaces remain clean and free of contaminants will help prevent issues related to corrosion and ensure a secure connection.

Cummins: Manufacturer Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s commitment to innovation and customer satisfaction has made it a preferred choice for commercial truck manufacturers and fleet operators worldwide.

Hexagon Head Cap Screw 3612754 in Cummins Engines

The Cummins part number 3612754, a Hexagon Head Cap Screw, is a critical component in various Cummins engines, including the L10 CELECT, L10 MECHANICAL, and N14 MECHANICAL. This screw is integral in securing different parts within these engines, ensuring structural integrity and operational efficiency.

In the L10 CELECT and L10 MECHANICAL engines, the Hexagon Head Cap Screw 3612754 is used in several key areas. It is often employed in the cylinder head assembly, where it helps to maintain the alignment and tightness of the cylinder head bolts. This is crucial for preventing leaks and ensuring that the combustion chamber is properly sealed. Additionally, this screw is used in the engine block, securing various components such as the oil pan and timing cover, which are essential for the engine’s overall stability and function.

For the N14 MECHANICAL engine, the Hexagon Head Cap Screw 3612754 serves similar purposes. It is used in the cylinder head assembly to secure the head bolts, ensuring a tight seal and preventing any potential oil or coolant leaks. Furthermore, it is employed in the engine block to secure components such as the oil pan and other critical parts, contributing to the engine’s structural integrity.

The use of the Hexagon Head Cap Screw 3612754 across these engines highlights its versatility and importance in maintaining the operational efficiency and longevity of Cummins engines. Its role in securing various components ensures that the engines function smoothly and reliably, making it a vital part in the maintenance and repair of these engines.

Role of Part 3612754 Hexagon Head Cap Screw in Engine Systems

In the realm of engine systems, the part 3612754 Hexagon Head Cap Screw is integral to the assembly and functionality of several key components. This screw is utilized in securing various parts, ensuring they remain firmly in place under operational conditions.

Electronic Engine Control System

Within the Electronic Engine Control (EEC) system, the 3612754 Hexagon Head Cap Screw is employed to fasten components that are essential for the system’s operation. It secures sensors, actuators, and other electronic modules that are pivotal for monitoring and controlling engine performance. The screw’s robust design ensures that these components withstand vibrations and thermal expansions, maintaining the integrity of the EEC system.

ETR Control System

In the ETR (Engine Timing and Regulation) control system, this screw plays a significant role in attaching the timing components. It is used to secure the timing belt tensioner, ensuring that the timing belt operates within the specified parameters. This is vital for the synchronization of the engine’s valves and pistons, directly influencing the engine’s efficiency and reliability.

Throttle Switch Lever

The throttle switch lever, a component of the throttle control system, also benefits from the use of the 3612754 Hexagon Head Cap Screw. This screw is responsible for attaching the lever to the throttle body, ensuring a precise and consistent throttle response. It contributes to the accurate delivery of fuel and air mixture to the engine, which is essential for optimal performance and fuel economy.

Conclusion

In summary, the 3612754 Hexagon Head Cap Screw is a fundamental fastening component in various engine systems. Its application across different subsystems underscores its versatility and importance in maintaining the structural and operational integrity of engine components.