2830411
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Hexagon Flange Head Cap Screw, identified by part number 2830411, is a fastener produced by Cummins. This screw is commonly used in the assembly and maintenance of commercial trucks. This article provides an overview of its design, function, and application within the context of heavy-duty truck operations.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by a hexagonal head and a flange beneath the head. The hexagonal head allows for easy tightening and loosening using a wrench or socket, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material ¹.

Function and Application

The 2830411 Hexagon Flange Head Cap Screw plays a role in securing various components within a truck’s structure. It is often used in applications where a combination of high tensile strength and resistance to loosening is required. This includes fastening engine components, chassis parts, and other critical assemblies ².

Key Features

• Hexagonal head for wrench or socket use.
• Flange under the head to distribute load and prevent sinking.
• High tensile strength suitable for heavy-duty applications.
• Typically made from materials like alloy steel to ensure durability and resistance to corrosion.

Benefits

The design of the Hexagon Flange Head Cap Screw offers several advantages. The flange provides additional bearing surface, which helps in distributing the clamping force more evenly. This can reduce the risk of damage to the fastened material. Additionally, the hexagonal head allows for efficient and secure fastening, which is important in maintaining the integrity of truck components under various operating conditions ².

Troubleshooting and Maintenance

Regular inspection of Hexagon Flange Head Cap Screws is recommended to ensure they remain tight and have not corroded. Signs of corrosion or loosening should be addressed promptly to prevent failure. Maintenance practices may include re-torquing screws to the manufacturer’s specifications and applying anti-seize compounds to prevent galling and facilitate future removal ².

Cummins Engine Models Utilizing Part 2830411

15N CM2380 M104B

In the 15N CM2380 M104B engine, the Hexagon Flange Head Cap Screw is used to secure various components, ensuring that parts remain tightly fastened under operational stress.

4B3.9, 6B5.9, B3.3, B4.5, B4.5 CM2350 B129B, B4.5 RGT, B5.9 CM2670 B166C, B5.9 G, B5.9 GAS PLUS CM556

For these engines, the Hexagon Flange Head Cap Screw is employed in multiple applications, including securing engine covers, mounting brackets, and other critical components that require a robust fastening solution.

B6.7 CM2350 B135B, B6.7 CM2670 B153B, B6.7 CM2670 B164C, B6.7 G CMOH6.0 B125

In these engines, the Hexagon Flange Head Cap Screw is used to fasten various engine components, including those that are subject to significant mechanical stress.

D4.0 CM2620 D103B, F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2620 F137B, F3.8 F102

For these engines, the Hexagon Flange Head Cap Screw is utilized in securing various engine parts, such as covers and brackets.

F4.5 CM2620 F139B, F4.5 CM2620 F141C

In these engines, the Hexagon Flange Head Cap Screw is used to fasten critical components that require a high level of strength and durability.

ISB (Chrysler), ISB CM2150, ISB CM550, ISB CM850

For these engines, the Hexagon Flange Head Cap Screw is employed in securing various engine components, including those that are subject to significant mechanical stress.

Role of Part 2830411 in Engine Systems

The Hexagon Flange Head Cap Screw is integral in securing and maintaining the integrity of various engine components. Its application spans across multiple systems, ensuring robust connections and efficient operation.

Alternator Mounting

The screw is used to firmly attach the alternator to the engine block, ensuring stable operation and consistent power generation.

Auxiliary Pump Plumbing

These screws help in fastening the plumbing components to the engine, providing a leak-proof and secure connection.

Compressor Air Discharge Plumbing

The screws are employed to connect the discharge pipes to the compressor, ensuring correct air flow and maintaining system pressure.

Engine Balancer

These screws attach balancing weights and components, which are crucial for reducing vibrations and ensuring smooth engine operation.

Engine Oil Cooler

The screws are used to mount the cooler to the engine and secure the plumbing connections, ensuring efficient cooling of the engine oil.

Exhaust Recirculation

These screws help in attaching the recirculation valves and pipes, ensuring that exhaust gases are properly redirected to reduce emissions.

Fan Drive

The fan drive system uses these screws to secure the fan to the engine, ensuring it operates efficiently to cool the engine and other components.

Fuel Control Module

These screws are used to mount the module securely to the engine, ensuring precise fuel delivery and engine performance.

Fuel Filter

The screws secure the filter housing to the engine, ensuring a tight seal and preventing fuel leaks.

Fuel Flow Valve

The fuel flow valve is attached using these screws, ensuring that it remains securely in place and operates correctly to regulate fuel flow.

Fuel System Accessories

Various fuel system accessories, such as sensors and gauges, are mounted using these screws, ensuring they remain in place and function accurately.

Fuel Systems HD XPI

In high-demand fuel systems like HD XPI, these screws are critical for securing components that handle high-pressure fuel delivery, ensuring system reliability.

Heat Exchanger

Heat exchangers use these screws to attach to the engine and secure plumbing connections, ensuring efficient heat transfer and system performance.

Heat Shield

Heat shields are mounted using these screws to protect nearby components from excessive heat, maintaining the integrity of the engine bay.

Ignition System

Components of the ignition system, such as coils and distributors, are secured using these screws, ensuring reliable spark delivery and engine ignition.

Lubricating Oil Pump

The lubricating oil pump is attached to the engine using these screws, ensuring it operates efficiently to provide necessary lubrication to engine components.

Oil Pan

The oil pan is secured to the engine block using these screws, ensuring a leak-proof seal and safe containment of engine oil.

Refrigerant Compressor Mounting

For refrigerant compressors, these screws are used to mount the compressor securely to the engine, ensuring efficient operation of the air conditioning system.

Turbocharger Arrangement

In turbocharger arrangements, these screws secure the turbocharger to the engine and plumbing, ensuring it operates efficiently to boost engine performance.

Turbocharger Plumbing

Turbocharger plumbing relies on these screws to secure connections, ensuring there are no leaks and maintaining system pressure.

Water Inlet Connection

Water inlet connections use these screws to secure the water supply to the engine, ensuring efficient cooling.

Water Pump Drive

The water pump drive system uses these screws to attach the pump to the engine, ensuring reliable coolant circulation.

XPI JV Components

XPI JV components, including sensors and control units, are mounted using these screws, ensuring they remain securely in place and function correctly.

XPI JV System Cummins HD and Scania HD

In high-demand systems like Cummins HD and Scania HD, these screws are used to secure various components, ensuring the systems operate under extreme conditions with reliability and efficiency.

Conclusion

The 2830411 Hexagon Flange Head Cap Screw by Cummins is a versatile and robust fastener designed for heavy-duty applications. Its unique design features, such as the hexagonal head and flange, provide secure fastening and load distribution, making it suitable for a wide range of engine and truck components. Regular maintenance and inspection are essential to ensure the longevity and reliability of this part in demanding commercial vehicle environments.