3066644
Slotted Set Screw
Cummins®

The Cummins Slotted Set Screw, Part #3066644, is a specialized fastener designed for use in commercial truck maintenance and operation. This component is integral to ensuring the secure attachment of various parts within the truck’s mechanical systems. Its role is significant in maintaining the integrity and functionality of truck components, contributing to the overall efficiency and safety of commercial vehicle operations.

Basic Concepts of Slotted Set Screws

A Slotted Set Screw is a type of fastener used to secure components in place by applying pressure through a threaded shaft. It features a slot that allows for easy installation and removal using a screwdriver. In mechanical systems, slotted set screws are commonly employed to prevent components from rotating or moving out of position. They are particularly useful in applications where a permanent fastening method is not required, or where adjustments may be necessary during maintenance ¹.

Purpose of the 3066644 Slotted Set Screw in Truck Operation

The 3066644 Slotted Set Screw by Cummins is utilized in various applications within commercial trucks to secure components such as bearings, gears, and pulleys. It ensures that these parts remain in the correct position, which is vital for the smooth operation of the truck’s mechanical systems. By preventing unwanted movement or rotation, this set screw contributes to the reliability and performance of the truck ².

Key Features of the 3066644 Slotted Set Screw

The 3066644 Slotted Set Screw is characterized by its specific design and material properties. It is manufactured with precise dimensions and threading to ensure a secure fit. The material used in its construction is chosen for its durability and resistance to wear, providing long-lasting performance in demanding truck environments. Additionally, the screw’s design may include features that enhance its grip and resistance to loosening under vibration ³.

Benefits of Using the 3066644 Slotted Set Screw

Utilizing the 3066644 Slotted Set Screw offers several advantages. It provides a reliable means of securing components, ensuring they remain in place under operational stresses. The ease of installation and removal facilitated by the slotted design allows for convenient maintenance and adjustments. Furthermore, its resistance to vibration and loosening helps maintain the integrity of the fastening over time, reducing the need for frequent re-tightening.

Installation and Usage Guidelines

Proper installation of the 3066644 Slotted Set Screw involves selecting the correct size and type for the application, ensuring a snug fit without over-tightening. Torque specifications should be followed to avoid damaging the screw or the component it secures. Best practices include using the appropriate tool for installation and periodically checking the tightness of the screw to ensure it remains secure.

Troubleshooting Common Issues

Common issues with slotted set screws, such as loosening or damage, can often be traced to incorrect installation, over-tightening, or environmental factors. Troubleshooting steps may include re-tightening the screw to the specified torque, inspecting for damage, or replacing the screw if necessary. Regular maintenance checks can help identify and address these issues before they lead to component failure.

Maintenance Tips

Regular inspection and maintenance of the 3066644 Slotted Set Screw are recommended to ensure continued reliable operation. This includes checking for signs of wear or loosening, especially in high-vibration areas. Cleaning the screw and its seating area can prevent corrosion and ensure a secure fit. Following these maintenance practices can help prevent failures and extend the lifespan of the screw.

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 of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles. The 3066644 Slotted Set Screw is part of Cummins’ commitment to providing high-quality, dependable parts for the maintenance and operation of commercial trucks.

Slotted Set Screw 3066644 Compatibility with Cummins Engines

The Slotted Set Screw 3066644, manufactured by Cummins, is a versatile component designed to fit a variety of Cummins engines. This part is engineered to provide secure fastening and alignment in various engine applications. Here is a detailed look at its compatibility across different Cummins engine models:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• QSM11 CM570
• QSM11 CM876
• QSN14 CM876 N103

The Slotted Set Screw 3066644 is compatible with the ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, QSM11 CM570, QSM11 CM876, and QSN14 CM876 N103. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The Slotted Set Screw 3066644 is also suitable for the M11 series engines, which include the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL models. These engines are designed for a range of applications, from on-highway to off-highway uses, providing high efficiency and durability.

N14 Series Engines

• N14 CELECT PLUS
• N14 MECHANICAL

This slotted set screw fits the N14 series engines, specifically the N14 CELECT PLUS and N14 MECHANICAL. These engines are engineered for heavy-duty applications, offering excellent power and reliability.

QSN Series Engines

• QSNT14 CM876 N102

The Slotted Set Screw 3066644 is also compatible with the QSNT14 CM876 N102 engine. This engine is designed for demanding applications, providing robust performance and durability.

L10 Series Engines

• L10 CELECT

The Slotted Set Screw 3066644 is designed to fit the L10 CELECT engine, which is known for its efficiency and reliability in various applications.

By ensuring compatibility with a wide range of Cummins engines, the Slotted Set Screw 3066644 provides a reliable fastening solution across multiple engine models, enhancing the overall performance and longevity of the engine components.

Role of Part 3066644 Slotted Set Screw in Engine Systems

In the intricate world of engine systems, the 3066644 Slotted Set Screw plays a significant role in ensuring the precise functioning of various components. This small yet vital part is instrumental in the assembly and operation of several key engine elements.

Injector Lever

The injector lever is a component that requires exact positioning to function correctly. The 3066644 Slotted Set Screw is used to secure this lever in place, allowing for the fine-tuning of fuel injection timing and quantity. This ensures that the engine receives the correct amount of fuel at the right time, optimizing performance and efficiency.

Lever

In general lever applications within engine systems, the 3066644 Slotted Set Screw is employed to maintain the structural integrity and alignment of the lever. This is essential for transmitting motion accurately from one part of the engine to another, ensuring smooth and reliable operation.

Rocker

The rocker, a pivotal component in the valve train of an engine, relies on the 3066644 Slotted Set Screw for secure attachment to its pivot point. This screw ensures that the rocker can oscillate with minimal play, which is vital for the precise opening and closing of engine valves. Proper valve timing is crucial for engine performance, making the role of this set screw significant.

Rocker (Top Level Assembly) Lever

In top-level assembly configurations, the 3066644 Slotted Set Screw is used to fasten the rocker lever within the assembly. This application demands high precision, as any misalignment can lead to inefficient valve operation and potential engine damage. The screw’s role here is to provide a stable and adjustable mounting point.

Rocker Lever

Similar to the standard rocker, the rocker lever in more complex engine designs also benefits from the use of the 3066644 Slotted Set Screw. This part ensures that the lever is held firmly in place, allowing for consistent and reliable valve actuation. The screw’s adjustability is particularly useful in fine-tuning the valve clearance, which is essential for maintaining engine efficiency over time.

Rocker Top Level Assembly Lever

For the rocker top-level assembly lever, the 3066644 Slotted Set Screw is critical in maintaining the assembly’s integrity. This screw allows for the necessary adjustments to be made during the installation and maintenance phases, ensuring that the lever operates within the specified parameters for optimal engine performance.

Conclusion

In summary, the 3066644 Slotted Set Screw is a fundamental component in the assembly and operation of various engine parts. Its role in securing and allowing for the fine-tuning of these components is essential for the overall performance and reliability of the engine system.