197576
Twelve Point Cap Screw
Cummins®

The 197576 Twelve Point Cap Screw, a specialized fastener produced by Cummins, is integral to the assembly and maintenance of commercial trucks. This component ensures the secure attachment of various components, contributing to the overall structural integrity of the vehicle.

Basic Concepts

A Twelve Point Cap Screw is characterized by its hexagonal socket head, which provides a larger contact area compared to traditional hex-head bolts. This design allows for more efficient torque application and reduces the likelihood of cam-out during tightening. In the automotive industry, these screws are commonly used to fasten components that require high torque and secure attachment, such as engine parts and chassis components ¹.

Purpose and Role in Truck Operation

In commercial trucks, the 197576 Twelve Point Cap Screw plays a significant role in securing various components. It is designed to withstand high stress and vibration, ensuring that critical parts remain firmly attached under demanding operating conditions. By providing a reliable fastening solution, this screw contributes to the structural integrity and safety of the truck ².

Key Features

The Twelve Point Cap Screw boasts several key features that enhance its performance and durability. Its twelve-point design offers a larger contact area, which improves torque application and reduces the risk of stripping. The screw is typically made from high-strength materials, such as alloy steel, to ensure it can withstand the rigors of commercial truck operation. Additionally, it may feature a corrosion-resistant coating to protect against environmental factors, extending its service life ³.

Benefits

The advantages of using the Twelve Point Cap Screw include improved torque application, which allows for more precise and secure fastening. The reduced risk of cam-out ensures that the screw can be tightened without slipping, enhancing the reliability of the fastening. Furthermore, the enhanced security provided by the twelve-point design helps maintain the integrity of the fastened components, even under high stress and vibration.

Installation Considerations

Proper installation of the Twelve Point Cap Screw is vital to ensure optimal performance and longevity. It is recommended to use a torque wrench to apply the correct amount of torque, avoiding over-tightening, which can lead to damage. Additionally, ensuring that the mating surfaces are clean and free of debris will help achieve a secure and lasting attachment. Following manufacturer guidelines for torque specifications and installation procedures will help maintain the screw’s integrity and performance.

Troubleshooting and Maintenance

Common issues associated with Twelve Point Cap Screws include loosening due to vibration, corrosion, and wear. Regular inspection and maintenance can help identify and address these problems early. If a screw appears loose, it should be re-tightened to the manufacturer’s specified torque. In cases of corrosion, the affected area should be cleaned, and a corrosion-resistant coating may be applied to prevent further degradation. Replacing worn or damaged screws is also important to maintain the structural integrity of the truck.

Cummins 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 strong reputation for quality, reliability, and customer satisfaction in the commercial truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles. Cummins’ commitment to innovation and excellence has made it a trusted name among fleet operators and maintenance professionals.

Twelve Point Cap Screw 197576 in Cummins Engines

The 197576 Twelve Point Cap Screw, manufactured by Cummins, is a critical component in various Cummins engine models. This screw is designed to provide robust fastening capabilities, ensuring the integrity and stability of engine assemblies.

In the V903 engine series, the 197576 screw is utilized in several key areas. It is often employed in securing engine blocks, cylinder heads, and other vital components, ensuring they remain tightly fastened under operational stresses. The screw’s twelve-point design allows for efficient torque application, minimizing the risk of rounding and providing a secure hold.

For the V903 engines, the 197576 screw is integral in maintaining the alignment and structural integrity of the engine. Its application extends to various mounting points, where it secures parts that are subject to high mechanical loads and vibrations. The precision engineering of this screw ensures that it can withstand the demanding conditions of engine operation, contributing to the overall reliability and performance of the V903 engines.

In Cummins’ broader engine lineup, the 197576 screw is a staple in engine assembly processes. Its consistent performance across different engine models underscores its importance in ensuring that engine components are securely fastened, thereby enhancing the longevity and efficiency of the engines.

Role of Part 197576 Twelve Point Cap Screw in Engine Systems

Part 197576, a Twelve Point Cap Screw, is integral to the assembly and operation of various engine components. Its primary function is to secure and maintain the integrity of connections within the engine system.

In the Cylinder Block, the Twelve Point Cap Screw ensures that components are tightly fastened, preventing any potential misalignment or movement that could affect engine performance. This secure fastening is essential for the structural stability of the cylinder block.

For the Damper and Vibration Damper, the Twelve Point Cap Screw plays a significant role in attaching these components to the engine. The damper is responsible for absorbing vibrations produced by the engine, and the vibration damper further reduces these vibrations to protect other engine parts. Secure attachment is vital to ensure these dampers function effectively.

In the Damper / Pulley assembly, the Twelve Point Cap Screw is used to connect the damper to the pulley. This connection is crucial for the smooth operation of the pulley, which in turn drives other engine components such as the alternator or water pump.

When it comes to the Damper and Pulley combination, the Twelve Point Cap Screw ensures that the damper is firmly attached to the pulley. This secure attachment is necessary for the efficient transfer of power and reduction of vibrations within the engine system.

For Damper Mounting and Vibration Mounting Damper, the Twelve Point Cap Screw is employed to mount these components onto the engine. Proper mounting is essential to ensure that these components can effectively perform their roles in dampening vibrations and protecting the engine from excessive movement.

Conclusion

The 197576 Twelve Point Cap Screw is a critical component in the assembly and maintenance of commercial trucks and Cummins engines. Its design and features ensure secure fastening, contributing to the structural integrity and reliability of the vehicle and engine systems. Proper installation, regular maintenance, and understanding its role in various engine components are essential for optimal performance and longevity.