2887034
Regular Hexagon Jam Nut
Cummins®

The 2887034 Regular Hexagon Jam Nut by Cummins is a specialized fastener designed for use in heavy-duty truck components. This part is integral to ensuring the secure attachment of various assemblies within the truck’s mechanical system. Its robust design and reliable performance make it a significant component in maintaining the integrity and functionality of heavy-duty vehicles.

Basic Concepts

A Regular Hexagon Jam Nut is a type of lock nut characterized by its hexagonal shape, which allows for easy tightening and loosening using standard tools. The jam nut functions by being tightened against another nut or a threaded component, creating friction that prevents loosening due to vibration or other forces. In the context of a truck’s mechanical system, the 2887034 Regular Hexagon Jam Nut serves to secure critical components, ensuring they remain firmly in place under various operating conditions ¹.

Purpose and Role in Truck Operation

The 2887034 Regular Hexagon Jam Nut plays a specific role in the operation of a truck by securing components and assemblies that are subject to significant stress and vibration. It is commonly used in applications where the prevention of fastener loosening is paramount, such as in the attachment of engine components, transmission parts, and chassis assemblies. By providing a secure and stable connection, this jam nut contributes to the overall reliability and safety of the truck ².

Key Features

The 2887034 Regular Hexagon Jam Nut features a hexagonal shape that facilitates easy manipulation with standard wrenches and sockets. It is composed of high-strength materials, typically alloy steel, which enhances its durability and resistance to wear. The nut’s design includes precise threading and a smooth finish, which ensures a secure fit and reduces the risk of galling or seizing. Additionally, the jam nut may incorporate unique design elements, such as a nylon insert or serrated edges, to further improve its locking capabilities and resistance to vibration ³.

Benefits

The 2887034 Regular Hexagon Jam Nut offers several benefits that contribute to its effectiveness in heavy-duty truck applications. Its design enhances the security of fasteners by preventing loosening, which is crucial in environments where vibrations and dynamic loads are common. The nut’s resistance to corrosion and wear ensures long-term reliability, even in harsh operating conditions. Furthermore, its ease of installation and compatibility with standard tools make it a practical choice for maintenance and repair operations.

Installation and Usage

Proper installation of the 2887034 Regular Hexagon Jam Nut is critical to ensuring optimal performance. It should be tightened to the manufacturer’s recommended torque specifications to achieve the desired level of security without over-tightening, which could lead to damage. Best practices include using the correct tools and following a systematic approach to tightening, such as the “star pattern,” to ensure even distribution of force. Regular inspection and re-torqueing may be necessary to maintain the integrity of the fastener over time.

Troubleshooting and Maintenance

Common issues with the 2887034 Regular Hexagon Jam Nut may include loosening due to vibration or corrosion. Troubleshooting these issues involves inspecting the nut and its mating components for signs of wear, damage, or improper installation. Maintenance tips to prolong the service life of the jam nut include regular inspection, cleaning, and re-torqueing as needed. Additionally, protecting the nut from exposure to corrosive substances and ensuring it is properly lubricated can help maintain its performance.

Safety Considerations

When working with the 2887034 Regular Hexagon Jam Nut, it is important to observe safety practices to prevent injury and ensure the integrity of the fastener. This includes using the appropriate personal protective equipment (PPE), such as gloves and safety glasses, when handling and installing the nut. Proper storage in a dry, secure location helps prevent corrosion and damage. Disposal should follow local regulations for metal components to ensure environmental safety.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive industry. The company’s commitment to excellence is reflected in its wide range of products, including the 2887034 Regular Hexagon Jam Nut, which is designed to meet the demanding requirements of heavy-duty truck applications.

Regular Hexagon Jam Nut (Part 2887034) in Cummins Engines

The Regular Hexagon Jam Nut, identified by the part number 2887034, is a critical component in the assembly of several Cummins engines. This part is designed to secure bolts and screws in place, ensuring that they remain tightly fastened under operational conditions. Its hexagonal shape provides a reliable grip, preventing loosening due to vibrations or other mechanical stresses.

Application in Cummins Engines

QSK95 CM2350 K111 and K113 Engines

The Regular Hexagon Jam Nut is integral to the maintenance and operation of the QSK95 CM2350 K111 and K113 engines. These engines are part of Cummins’ QSK series, known for their robust performance and reliability in various industrial applications. The jam nut is used in several critical areas where secure fastening is essential, such as in the engine’s mounting system, fuel injection system, and other high-stress components.

Compatibility and Installation

When installing the Regular Hexagon Jam Nut in these engines, it is crucial to follow the manufacturer’s guidelines to ensure proper torque and alignment. This part is typically used in conjunction with high-strength bolts to maintain the integrity of the engine’s structure. The jam nut’s design allows for easy installation and removal, making it a practical choice for routine maintenance and repairs.

Importance of Proper Installation

The correct installation of the Regular Hexagon Jam Nut is vital for the engine’s performance and longevity. Improper installation can lead to loosening of critical components, potentially resulting in engine failure or reduced efficiency. Technicians should verify that the jam nut is properly seated and tightened to the specified torque settings to prevent any issues during operation.

Role of Part 2887034 Regular Hexagon Jam Nut in Engine Systems

The part 2887034 Regular Hexagon Jam Nut is instrumental in securing and maintaining the integrity of various engine components. In the context of a lever, this jam nut ensures that the lever remains firmly attached to its pivot point, preventing any unwanted movement that could lead to inefficient operation or failure. Its application in a rocker mechanism is similarly significant; by securing the rocker to its shaft, the jam nut helps maintain the precise alignment and motion required for optimal engine performance.

When integrated with a rocker lever, the jam nut plays a key role in stabilizing the connection between the rocker and the lever, ensuring that the transfer of motion is smooth and consistent. This stability is essential for the reliable functioning of the engine, as it directly impacts the valve operation and overall efficiency of the combustion process.

Conclusion

In summary, the 2887034 Regular Hexagon Jam Nut is a fundamental component in the assembly and operation of levers, rockers, and rocker levers within engine systems, contributing to the precision and reliability of these critical mechanisms.