4096703
Hexagon Head Cap Screw
Cummins®

The Hexagon Head Cap Screw, specifically Part #4096703 by Cummins, is a vital component in the maintenance and operation of commercial trucks. Cummins, a renowned manufacturer in the automotive industry, produces this screw to meet the demanding requirements of heavy-duty applications. This part is integral to ensuring the structural integrity and reliable performance of various truck components.

Basic Concepts of Hexagon Head Cap Screw

A Hexagon Head Cap Screw is a type of fastener characterized by its hexagonal head, which allows for efficient tightening and loosening using common tools such as wrenches or sockets. The design of the hexagon head provides a robust grip, minimizing the risk of cam-out during use. Within mechanical systems, these screws play a role in securing components together, ensuring that parts remain firmly in place under various operational stresses ¹.

Purpose of the 4096703 Hexagon Head Cap Screw in Truck Operation

The 4096703 Hexagon Head Cap Screw by Cummins serves a specific function in the operation and maintenance of commercial trucks. It is used to fasten critical components, ensuring that they remain securely attached during the truck’s operation. This screw is often found in applications where high tensile strength and resistance to vibration are required, such as in the engine compartment, chassis, and other structural elements ².

Key Features

The 4096703 Hexagon Head Cap Screw boasts several key features that make it suitable for heavy-duty applications. Its hexagonal head design allows for easy and efficient tightening with standard tools. The screw is manufactured from high-quality materials, typically alloy steel, which provides enhanced durability and resistance to corrosion. Additionally, the threading specifications of the screw ensure a secure and tight fit, contributing to the overall stability of the fastened components ³.

Benefits

Using the 4096703 Hexagon Head Cap Screw offers several benefits. The high-quality material composition contributes to its enhanced durability, making it resistant to wear and tear over extended periods. The reliable fastening provided by this screw ensures that components remain securely in place, reducing the risk of failure during operation. Furthermore, the ease of use with common tools simplifies the installation and maintenance processes, saving time and effort for technicians ⁴.

Installation Process

Proper installation of the 4096703 Hexagon Head Cap Screw involves several steps to ensure optimal performance. Begin by selecting the appropriate tool, such as a wrench or socket, that fits the hexagonal head. Position the screw in the designated location and start tightening it gradually. It is important to follow the specified torque settings to avoid over-tightening, which can damage the screw or the components being fastened. Best practices include using a torque wrench to achieve the recommended torque values and ensuring that the screw is perpendicular to the surface for even distribution of force.

Troubleshooting and Maintenance

Common issues with the 4096703 Hexagon Head Cap Screw may include loosening over time due to vibration or corrosion. Regular inspection and maintenance can help identify and address these problems early. If corrosion is detected, cleaning the affected area and applying a corrosion-resistant coating can prevent further damage. In cases where the screw shows signs of wear or damage, replacement is recommended to maintain the integrity of the fastened components.

Cummins: Manufacturer Overview

Cummins is a well-established manufacturer with a strong reputation in the automotive industry. Founded in 1919, the company has a long history of producing high-quality engines and components for various applications, including commercial trucks. Cummins is known for its commitment to quality, innovation, and customer satisfaction. Their products are designed to meet the rigorous demands of heavy-duty use, ensuring reliable performance and durability.

Hexagon Head Cap Screw 4096703 in Cummins Engines

The Cummins Hexagon Head Cap Screw part number 4096703 is a critical component in several Cummins engine models. This part is integral to the assembly and maintenance of the engines, ensuring structural integrity and operational efficiency.

QSK23 and CM2350 Engines

In the QSK23 and CM2350 engines, the 4096703 screw is utilized in various applications where secure fastening is essential. These engines are known for their robust design and performance, and the use of high-quality fasteners like the Hexagon Head Cap Screw is crucial for maintaining the engine’s structural integrity. The screw’s design allows for precise torque application, which is vital in high-stress environments.

K127 Engine

The K127 engine also incorporates the 4096703 screw in its assembly. This engine is designed for heavy-duty applications, and the use of such a reliable fastener ensures that components remain securely fastened under extreme conditions. The screw’s hexagonal head provides a larger surface area for tools, facilitating easier and more efficient tightening and loosening.

Grouping of Engines

The QSK23 and CM2350 engines share many common components and design philosophies, making the 4096703 screw a versatile part across these models. The K127 engine, while distinct in its application and design, also benefits from the use of this screw due to its demanding operational requirements. The commonality in the use of this screw across these engines highlights its importance in Cummins’ engine design and maintenance.

Part 4096703 Hexagon Head Cap Screw Component Usage

The part 4096703 Hexagon Head Cap Screw is an essential fastener in various engine systems, ensuring the secure attachment of components and maintaining the integrity of the assembly.

In the context of the flywheel, the Hexagon Head Cap Screw plays a significant role in attaching the flywheel to the crankshaft. This secure connection is vital for the efficient transfer of rotational energy from the engine to the transmission system. The screw’s hexagonal head allows for precise torque application, ensuring that the flywheel is fastened to the specified tightness. This is important for preventing any slippage or misalignment that could lead to inefficient power transmission or even mechanical failure.

Additionally, the Hexagon Head Cap Screw is used in the attachment of various engine covers and housings. For instance, it is commonly employed to secure the valve cover, which protects the valve train components. Proper fastening of the valve cover is necessary to maintain the engine’s seal, preventing oil leaks and ensuring that the valve train operates within the designed parameters.

Furthermore, this screw is utilized in the mounting of the engine’s accessory brackets. These brackets support components such as the alternator, power steering pump, and air conditioning compressor. The secure attachment of these accessories is essential for their proper function and durability, as well as for maintaining the overall balance and alignment of the engine.

Conclusion

In summary, the part 4096703 Hexagon Head Cap Screw is a versatile and reliable fastener that contributes to the secure and efficient operation of various engine components. Its application across different parts of the engine system underscores its importance in maintaining the engine’s performance and longevity.