4997265
Hexagon Flange Head Cap Screw
Cummins®

The Hexagon Flange Head Cap Screw, identified by part number 4997265, is a component manufactured by Cummins, a prominent entity in the commercial truck industry. This screw is integral to the maintenance and operation of commercial trucks, offering reliable fastening solutions that enhance the efficiency and safety of truck components.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flanged base. The hexagonal head allows for secure tightening and loosening using a wrench or socket, while the flange provides additional surface area to distribute load and prevent the screw from sinking into the material. In a truck’s mechanical system, these screws are used to fasten various components securely, ensuring they remain in place under operational stress.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is applied in various truck components where secure fastening is required. This includes, but is not limited to, engine components, chassis parts, and other critical assemblies. The screw’s design ensures that components are held firmly in place, contributing to the truck’s overall performance and longevity.

Key Features

The 4997265 features a hexagonal head that facilitates easy and precise tightening and loosening. Its flange design provides additional bearing surface, which helps distribute the load more evenly and prevents the screw from pulling through the material. The screw is typically made from high-strength materials, ensuring durability and resistance to wear and tear. These features collectively contribute to the screw’s functionality and reliability in demanding truck applications.

Benefits

Using this part in truck maintenance offers several benefits. The screw’s design enhances fastening security, making it less likely for components to become loose during operation. Its resistance to vibration ensures that fastenings remain tight even under dynamic conditions. Additionally, the ease of installation and removal using standard tools simplifies maintenance procedures, reducing downtime and enhancing operational efficiency.

Installation and Usage

Proper installation of the 4997265 is vital for optimal performance. It is recommended to follow torque specifications provided by the manufacturer to ensure the screw is tightened to the correct level, avoiding over-tightening which can lead to damage, or under-tightening which can compromise security. Using the appropriate tools and following best practices during installation will help maintain the screw’s integrity and performance over time.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws may include loosening due to vibration or corrosion. Regular inspection and maintenance can help identify and address these issues promptly. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected area should be cleaned, and the screw may need to be replaced to ensure continued reliable performance. Adhering to maintenance schedules and guidelines can prolong the life of the screw and enhance the overall reliability of the truck.

Cummins: Manufacturer Overview

Cummins is a leading manufacturer in the diesel engine industry, with a rich history of innovation and quality. The company’s expertise extends to a wide range of products and services for the commercial truck sector, including high-quality fasteners like the 4997265. Cummins’ commitment to quality and innovation ensures that its products meet the demanding requirements of commercial truck applications, contributing to the efficiency, safety, and reliability of trucks worldwide.

Cummins Engine Models Utilizing Part 4997265

This Cummins part is used in various Cummins engine models to secure and stabilize different engine parts, ensuring the engine operates smoothly and efficiently. Here’s how it fits into specific Cummins engine models:

6C8.3

In the 6C8.3 engine, the Hexagon Flange Head Cap Screw is used to fasten components that require a secure and reliable connection. This engine is known for its durability and performance, and the screw plays a vital role in maintaining the integrity of its structure.

C GAS PLUS CM556

For the C GAS PLUS CM556 engine, part 4997265 is essential for securing various engine components. Its design ensures that the fasteners remain tight under operational stresses, contributing to the engine’s overall reliability.

L8.9 and L8.9 L121

In both the L8.9 and L8.9 L121 engines, the Hexagon Flange Head Cap Screw is used to hold critical parts in place. These engines are part of Cummins’ lineup of high-performance diesel engines, and the screw’s robust design is crucial for maintaining engine stability.

L9.3 L105 and L9.5 L117

The L9.3 L105 and L9.5 L117 engines also utilize the 4997265 screw to secure various components. These engines are known for their efficiency and power, and the screw’s ability to provide a strong and reliable fastening is essential for their operation.

QST30 CM2350 T101 and QST30 CM552

In the QST30 CM2350 T101 and QST30 CM552 engines, the Hexagon Flange Head Cap Screw is used to fasten parts that are subjected to significant mechanical stress. The screw’s design ensures that these parts remain securely fastened, contributing to the engine’s performance and longevity.

Role of Part 4997265 in Engine Systems

The 4997265 is instrumental in securing various components within engine systems, ensuring stability and efficient operation.

Securing Accessories and Wiring

This screw is commonly used to fasten accessories and wiring to the engine block or other structural components. Its flange head design provides a larger surface area for distribution of clamping force, reducing the risk of damage to the fastened components and enhancing the overall security of the installation.

Coupling and Fuel Pump Assembly

In the context of couplings, particularly those associated with the fuel pump, the 4997265 screw plays a significant role. It is employed to secure the fuel pump coupling to the engine, ensuring a stable connection that is vital for the consistent delivery of fuel. This screw also aids in the mounting of the fuel pump itself, contributing to the structural integrity of the fuel system.

Cam Follower and Valve Mechanisms

The screw is further utilized in the attachment of cam followers and valve mechanisms. By securing these components, it ensures precise alignment and operation, which is essential for the engine’s performance and longevity.

Fuel Pump Mounting and Fuel Shutoff

Additionally, the 4997265 screw is integral in the mounting of fuel pump components and the fuel shutoff valve. Its application in these areas ensures that the fuel system components are firmly in place, allowing for reliable operation and safe shutdown procedures when necessary.

Overall, the 4997265 Hexagon Flange Head Cap Screw is a versatile fastener that contributes to the secure assembly and reliable function of various engine components.

Conclusion

The 4997265 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its design and features ensure secure fastening, resistance to vibration, and ease of installation, contributing to the overall efficiency, safety, and reliability of truck and engine components. Regular maintenance and proper installation practices are essential to prolong the life of the screw and enhance the performance of the truck and engine systems.