3410730
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 3410730, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This screw is integral to commercial truck applications, providing reliable fastening solutions that contribute to the overall performance and durability of truck systems.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of fastener characterized by its hexagonal head and a flange beneath the head. The hexagonal head allows for efficient torque application using common tools, while the flange distributes the load over a larger area, reducing the risk of the screw sinking into softer materials. In a truck’s mechanical system, these screws secure various components, ensuring they remain firmly in place under operational stresses ¹.

Purpose and Role in Truck Operation

The 3410730 Hexagon Flange Head Cap Screw plays a role in the secure attachment of components within a truck’s mechanical system. It is commonly used in applications where vibration resistance and a secure fit are required, such as in the fastening of engine components, chassis parts, and other critical assemblies. Its design ensures that components remain securely fastened, contributing to the truck’s operational reliability ².

Key Features

The 3410730 Hexagon Flange Head Cap Screw features a hexagonal head that facilitates easy and precise tightening with standard tools. The flange beneath the head provides additional surface area for load distribution, enhancing the screw’s performance in applications where the underlying material may be soft or prone to deformation. Additionally, the screw is crafted from high-quality materials, ensuring durability and resistance to corrosion, which is vital in the demanding environments trucks often operate in.

Benefits

The benefits of the 3410730 Hexagon Flange Head Cap Screw include enhanced durability due to its material properties, resistance to loosening under vibration, and ease of installation and removal thanks to its hexagonal head design. These features make it a reliable choice for fastening applications in commercial trucks, where maintaining secure connections is crucial for safety and performance.

Installation and Usage

Proper installation of the 3410730 Hexagon Flange Head Cap Screw involves using the correct torque specifications to ensure the screw is tightened to the manufacturer’s recommended levels. This prevents over-tightening, which could damage the screw or the component being fastened, and under-tightening, which could lead to loosening over time. Best practices include using a torque wrench for accurate tightening and ensuring the screw is installed in a clean, undamaged thread to maximize its effectiveness.

Troubleshooting and Maintenance

Common issues with Hexagon Flange Head Cap Screws can include loosening due to vibration or corrosion. Regular inspection and maintenance, such as checking for signs of wear or corrosion and ensuring screws are properly tightened, can help prevent these issues. In cases where a screw shows signs of damage or corrosion, replacement with a new screw is recommended to maintain the integrity of the fastening.

Manufacturer - Cummins

Cummins is a renowned manufacturer in the automotive industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a reputation for excellence. The company’s dedication to advancing technology and meeting the needs of its customers ensures that its products, like the 3410730 Hexagon Flange Head Cap Screw, are designed with precision and built to last ³.

Cummins Engine Part 3410730: Hexagon Flange Head Cap Screw

The Cummins part 3410730, a Hexagon Flange Head Cap Screw, is a critical component used in various Cummins engine models. This part is designed to secure different parts of the engine, ensuring structural integrity and proper functioning.

Engines with Common Usage of Part 3410730

• 15N CM2380 M104B
• 6C8.3
• B5.9 GAS PLUS CM556
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• G8.3
• G8.3 CM558
• GTA8.3 CM558
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISBE CM2150
• ISBE CM800
• ISBE4 CM850
• ISC CM850
• ISF2.8 CM2220 F129
• ISL9 CM2150 SN
• ISV (Nissan)
• L8.9 CM2670 L134C
• QSB4.5 CM850(CM2850)
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850(CM2850)
• QSB6.7 M CM2250
• QSB7 CM2880 B117
• QSK45 CM500

Application of Part 3410730

The Hexagon Flange Head Cap Screw (part 3410730) is utilized in several key areas across these engine models:

1. Engine Block Assembly: The screw is often used to secure the engine block to the cylinder head, ensuring a tight seal and preventing leaks.
2. Turbocharger Mounting: It is frequently employed in mounting turbochargers to the engine, providing the necessary stability and alignment.
3. Oil Pan Attachment: The screw helps in attaching the oil pan to the engine block, ensuring that the oil system remains sealed and functional.
4. Exhaust Manifold Fastening: It is used to fasten exhaust manifolds to the engine, maintaining the structural integrity of the exhaust system.
5. Valve Cover Securing: The screw is also used to secure valve covers, protecting the internal components of the engine from debris and environmental factors.

Importance of Part 3410730

The Hexagon Flange Head Cap Screw is crucial for maintaining the structural integrity and operational efficiency of Cummins engines. Its design allows for precise and secure fastening, which is essential for the performance and longevity of the engine. Proper installation of this part ensures that all connected components remain stable and aligned, preventing potential engine failures and ensuring smooth operation.

Role of Part 3410730 Hexagon Flange Head Cap Screw in Engine Systems

The part 3410730 Hexagon Flange Head Cap Screw is integral to the secure assembly and operation of various engine components. Its applications span across multiple systems, ensuring the structural integrity and efficient functioning of the engine.

Crankcase and Breather Systems

In the crankcase breather arrangement, this screw plays a significant role in securing components that manage the ventilation of gases from the crankcase. It ensures that the breather system remains tightly sealed, preventing any unwanted leaks that could affect engine performance.

Turbocharger and Compressor Systems

Within the turbocharger and air compressor systems, the Hexagon Flange Head Cap Screw is used to fasten housing components and support structures. This secure attachment is vital for maintaining the precise alignment and operational efficiency of these high-speed components.

Fuel and Air Systems

In the fuel system, particularly within the fuel cooler and fuel drain plumbing, this screw is employed to secure fittings and connections. Similarly, in the air cleaner and air compressor systems, it ensures that all components are firmly held in place, contributing to the smooth flow of air and fuel through the engine.

Electronic and Sensor Systems

The electronic control module kit and fuel control module housing often utilize this screw to secure sensitive electronic components. Additionally, in the oil level sensor system, it ensures that the sensor is accurately positioned and securely mounted, providing reliable data for engine management.

Structural and Support Systems

For the front and rear engine support systems, the Hexagon Flange Head Cap Screw is crucial in attaching support brackets and mounts. This secure attachment is essential for maintaining the structural stability of the engine, especially under varying operational conditions.

Gear and Accessory Systems

In the front and rear gear housings, as well as the rear gear train accessory mounting, this screw ensures that gears and accessories are properly aligned and secured. This precision is important for the smooth transmission of power within the engine.

Cooling and Lubrication Systems

The thermostat housing and raw water pump systems also benefit from the secure fastening provided by this screw. It helps maintain the integrity of these systems, ensuring efficient cooling and lubrication of engine components.

Ignition System

Finally, in the ignition system, the Hexagon Flange Head Cap Screw is used to secure components that are essential for the reliable initiation of combustion. This ensures that the ignition system operates efficiently, contributing to the overall performance of the engine.

Conclusion

The 3410730 Hexagon Flange Head Cap Screw by Cummins is a vital component in the assembly and operation of various engine systems. Its design and features ensure secure fastening, contributing to the structural integrity, operational efficiency, and longevity of Cummins engines. Proper installation and maintenance of this screw are essential for the reliable performance of commercial trucks and other heavy-duty applications.