2897118
Twelve Point Cap Screw
Cummins®

The 2897118 Twelve-Point Cap Screw by Cummins is a specialized fastener designed for heavy-duty truck applications. Cummins, a renowned manufacturer in the automotive and heavy-duty truck industry, produces this component to meet the demanding requirements of truck operations. This screw plays a role in ensuring the structural integrity and performance of various truck components.

Basic Concepts of Twelve-Point Cap Screws

A Twelve-Point Cap Screw is a type of fastener characterized by its hexagonal head with twelve points, providing a larger contact area compared to traditional six-point screws. This design allows for better torque application and reduced risk of cam-out during installation. In the automotive industry, twelve-point cap screws are commonly used in applications requiring high strength and resistance to loosening, such as in engine components and chassis assemblies ¹.

Role of the 2897118 Twelve-Point Cap Screw in Truck Operation

The 2897118 Twelve-Point Cap Screw by Cummins is utilized in several areas of heavy-duty trucks. It is employed in engine components to secure parts that experience high stress and vibration. Additionally, it is used in chassis assembly to ensure the structural integrity of the truck frame. The screw’s design allows it to withstand the rigors of heavy-duty applications, providing reliable fastening in these demanding environments.

Key Features

The 2897118 Twelve-Point Cap Screw boasts several key features that enhance its performance. It is made from high-strength materials, ensuring durability under heavy loads. The screw has a specific thread pitch designed to provide optimal engagement with mating components. Torque specifications are provided to ensure proper installation, and the twelve-point design offers advantages in terms of torque application and resistance to cam-out ².

Benefits of Using the 2897118 Twelve-Point Cap Screw

Utilizing the 2897118 Twelve-Point Cap Screw offers several benefits. Its enhanced durability ensures long-term performance in demanding applications. The screw’s resistance to loosening helps maintain secure fastening over time, reducing the risk of component failure. Additionally, the design of the screw allows for improved load distribution, contributing to the overall stability and reliability of the truck.

Installation Guidelines

Proper installation of the 2897118 Twelve-Point Cap Screw is crucial for ensuring secure fastening. Follow these steps for optimal results:

1. Clean the mating surfaces to remove any debris or contaminants.
2. Apply the recommended torque settings using a calibrated torque wrench to achieve the specified tightening force.
3. Ensure the screw is fully engaged with the mating component to maximize thread contact.
4. Verify the installation by checking for proper torque and secure fastening.

Maintenance and Troubleshooting

Regular maintenance of the 2897118 Twelve-Point Cap Screw is important to ensure continued performance. Inspect the screw periodically for signs of corrosion, stripping, or damage. If corrosion is detected, clean the affected area and apply a suitable corrosion-resistant coating. In the event of stripping, replace the screw to maintain secure fastening. Following these maintenance practices will help prolong the life of the screw and ensure reliable operation.

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, innovation, and reliability in the automotive and heavy-duty truck industry. The company offers a wide range of products and services designed to meet the needs of customers in various applications, demonstrating its commitment to excellence and customer satisfaction ³.

Twelve-Point Cap Screw 2897118 in Cummins Engines

The Twelve-Point Cap Screw 2897118, manufactured by Cummins, is a critical component in several of their engine models. This screw is designed to provide robust fastening capabilities, ensuring secure connections in various engine assemblies.

QST30 and CM2350 Engines

In the QST30 and CM2350 engines, the Twelve-Point Cap Screw 2897118 is utilized in several key areas. These engines, known for their reliability and efficiency, often require precise fastening solutions to maintain structural integrity and operational efficiency. The cap screw’s twelve-point design allows for better grip and torque application, which is essential for the high-stress environments within these engines.

T101 Engine

The T101 engine also incorporates the Twelve-Point Cap Screw 2897118 in its construction. This engine, designed for durability and performance, benefits from the screw’s ability to withstand significant mechanical loads. The cap screw’s role in the T101 engine is crucial for maintaining the alignment and stability of various components, ensuring the engine operates smoothly and efficiently.

Common Applications

Across these engines, the Twelve-Point Cap Screw 2897118 is often used in the following applications:

• Cylinder Head Fastening: Ensuring the cylinder head is securely attached to the engine block.
• Turbocharger Mounting: Providing a reliable connection for turbocharger components.
• Engine Block Assembly: Securing various engine block sections together.

The use of this cap screw in these engines highlights its importance in maintaining the structural and operational integrity of Cummins engines.

Role of Part 2897118 Twelve-Point Cap Screw in Engine Systems

In the intricate assembly of engine systems, the part 2897118 Twelve-Point Cap Screw serves as a vital fastening element. Its primary function is to securely attach various components, ensuring they remain firmly in place under the dynamic conditions of engine operation.

Lever Assembly

Within the lever assembly, the Twelve-Point Cap Screw is instrumental in attaching the lever to its mounting bracket. This secure attachment is essential for the lever’s function, which often involves transmitting force or motion. The screw’s design allows for precise torque application, ensuring that the lever operates within specified parameters without undue stress on the connection points.

Rocker Mechanism

In the rocker mechanism, the Twelve-Point Cap Screw plays a significant role in maintaining the integrity of the assembly. It is used to fasten the rocker arm to its pivot point, ensuring smooth and consistent motion. The screw’s twelve-point design provides enhanced grip and reduces the risk of cam-out, which is particularly beneficial in high-vibration environments typical of engine compartments. This secure attachment is vital for the rocker’s function in converting linear motion into rotational motion, a common requirement in valve train systems.

The Twelve-Point Cap Screw’s robust construction and precise threading make it well-suited for these applications, contributing to the overall reliability and performance of the engine system.

Conclusion

The 2897118 Twelve-Point Cap Screw by Cummins is a critical component in heavy-duty truck and engine applications. Its design, featuring a twelve-point head, provides superior torque application and resistance to cam-out, ensuring secure fastening in high-stress environments. The screw’s high-strength materials and precise threading contribute to its durability and reliability, making it an essential part in maintaining the structural integrity and performance of various truck and engine components. Proper installation and regular maintenance are key to maximizing the benefits of this part, ensuring long-term performance and reliability in demanding applications.