5309750
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, specifically Part #5309750 by Cummins, is a component designed for use in commercial trucks. Cummins, a well-established manufacturer in the automotive and commercial truck industry, produces this screw to meet the rigorous demands of heavy-duty applications. This screw is integral to the assembly and maintenance of commercial trucks, ensuring secure fastening and reliable performance.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and flange. The hexagonal head allows for efficient torque application using standard tools, while the flange provides a bearing surface that distributes load and prevents the screw from sinking into the material ¹. In a truck’s assembly, this screw plays a role in securing various components, ensuring they remain firmly in place under operational stress.

Purpose and Role in Truck Operation

This Cummins part is designed to play a specific role in the operation and maintenance of commercial trucks. It is used to fasten critical components, ensuring they are securely attached and can withstand the vibrations and loads experienced during truck operation. This screw helps maintain the integrity of the truck’s structure and ensures that components function as intended.

Key Features

The 5309750 features a hexagonal head that allows for easy and precise tightening using common tools. The flange at the base of the head provides additional surface area, which helps distribute the load and prevents the screw from pulling through the material. Additionally, the screw is made from high-quality materials, ensuring it can withstand the demanding conditions of commercial truck use.

Benefits

Using the 5309750 offers several benefits. Its durable material composition ensures long-lasting performance, while the flange design enhances fastening security by providing a stable bearing surface. The hexagonal head allows for straightforward installation and removal, making maintenance tasks more efficient.

Installation Process

Proper installation of the 5309750 is vital for optimal performance. Begin by ensuring the mating surfaces are clean and free of debris. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring it is secure without over-tightening, which could damage the screw or the material. Regularly check the screw for proper torque during maintenance intervals to ensure continued security ².

Troubleshooting and Maintenance

Common issues with the 5309750 may include loosening over time due to vibrations or corrosion. Regular inspections during maintenance checks can help identify these issues early. If corrosion is present, clean the affected area and consider applying a corrosion-resistant coating. Ensure that the screw is tightened to the correct torque specification to prevent loosening.

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 and reliability in the automotive and commercial truck industry. The company offers a wide range of products designed to meet the needs of various applications, from heavy-duty trucks to industrial equipment.

Hexagon Flange Head Cap Screw 5309750 in Cummins Engines

The Cummins part number 5309750, a Hexagon Flange Head Cap Screw, is a critical component in several Cummins engine models. This screw is integral to the assembly and maintenance of the engines, ensuring secure fastening and structural integrity.

B4.5 CM2350 B135B and B6.7 CM2350 B135B Engines

In the B4.5 CM2350 B135B and B6.7 CM2350 B135B engines, the 5309750 is used in various applications where a robust and reliable fastening solution is required. These engines, known for their durability and performance, benefit from the precision and strength provided by this screw. It is often employed in securing components that are subject to high stress and vibration, ensuring that parts remain tightly fastened under operational conditions.

F3.8 CM2350 F120B Engine

The F3.8 CM2350 F120B engine also utilizes the 5309750 in its assembly. This engine, designed for specific applications, relies on the screw to maintain the integrity of its components. The screw’s design allows for easy installation and removal, which is crucial during maintenance and repair processes. Its flange head provides a larger surface area for torque application, enhancing the fastening process.

ISB4.5 CM2350 B104 Engine

In the ISB4.5 CM2350 B104 engine, the 5309750 is used in various critical assemblies. This engine, known for its efficiency and reliability, incorporates the screw in areas where secure fastening is essential. The screw’s hexagonal shape ensures a strong grip and even distribution of force, which is vital for the engine’s performance and longevity.

Each of these engines, while differing in specific applications and performance characteristics, shares a common reliance on the 5309750 Hexagon Flange Head Cap Screw for maintaining structural integrity and ensuring reliable operation.

Role of Part 5309750 Hexagon Flange Head Cap Screw in Engine Systems

In the context of engine systems, the part 5309750 is utilized in various components to ensure secure and reliable fastening. This screw is integral in maintaining the structural integrity and operational efficiency of the following components:

Aftercooler Injector Service Kit

Within the aftercooler injector service kit, the Hexagon Flange Head Cap Screw is employed to fasten components that are essential for the efficient cooling of the compressed air from the turbocharger. This ensures that the injectors operate within optimal temperature ranges, enhancing performance and longevity of the injectors.

Aftertreatment Arrangement

In the aftertreatment arrangement, this screw plays a role in securing components that are part of the exhaust gas recirculation (EGR) system. Proper fastening is necessary to maintain the structural stability of the EGR cooler and associated piping, which are vital for reducing emissions and improving engine efficiency.

Aftertreatment Device

The aftertreatment device, which may include components like the diesel particulate filter (DPF) or selective catalytic reduction (SCR) system, relies on the Hexagon Flange Head Cap Screw to secure critical parts. This ensures that the device can effectively reduce harmful emissions while withstanding the high temperatures and pressures of the exhaust system.

Aftertreatment System

In the broader aftertreatment system, which encompasses all components designed to clean exhaust gases before they are released into the atmosphere, the Hexagon Flange Head Cap Screw is used to fasten various modules and sensors. This includes securing the mounting brackets for the DPF, SCR catalyst, and NOx sensors, ensuring that the system operates efficiently and reliably.

Conclusion

The 5309750 Hexagon Flange Head Cap Screw by Cummins is a vital component in the assembly and maintenance of commercial trucks and engines. Its design, featuring a hexagonal head and flange, ensures secure fastening and reliable performance under demanding conditions. Proper installation and maintenance of this screw are essential for the optimal operation of truck and engine systems.