4082742
Hexagon Flange Head Cap Screw
Cummins®

Introduction

The Cummins 4082742 Hexagon Flange Head Cap Screw is a specialized fastener designed for use in commercial trucks. It is integral to the assembly and maintenance of various truck components, ensuring secure and reliable connections. This screw is particularly significant in the context of commercial trucks due to its robust design and functionality, which contribute to the overall performance and durability of the vehicle.

Basic Concepts

A Hexagon Flange Head Cap Screw is a type of bolt characterized by its hexagonal head and flanged base. The hexagonal head allows for easy tightening and loosening using a wrench, while the flange provides additional surface area to distribute the load and prevent the screw from sinking into the material. In mechanical applications, these screws are commonly used to secure components that require a high degree of stability and resistance to vibration ¹.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of commercial trucks. It is used in areas where secure fastening is crucial, such as in the engine compartment, chassis, and various mechanical assemblies. Its design ensures that components remain firmly in place, even under the stress of heavy-duty operations. This screw is particularly useful in applications where vibration and dynamic loads are common, helping to maintain the integrity of the truck’s structure and systems ².

Key Features

The Cummins 4082742 Hexagon Flange Head Cap Screw boasts several key features that enhance its functionality. It is typically made from high-strength steel, ensuring durability and resistance to wear. The screw’s design includes a hexagonal head for easy manipulation with standard tools and a flanged base that provides additional stability. Additionally, the screw may feature a coated surface to resist corrosion, extending its lifespan in various operating environments.

Benefits

The benefits of using the Cummins 4082742 Hexagon Flange Head Cap Screw include enhanced durability, superior resistance to vibration, and ease of installation. Its robust material composition ensures long-lasting performance, while the flanged design helps distribute loads more effectively, reducing the risk of component failure. The screw’s ease of installation allows for efficient assembly and maintenance, contributing to overall truck reliability.

Installation and Usage

Proper installation of this Cummins part is vital to ensure optimal performance. It should be installed using the appropriate torque specifications to achieve the correct tension without over-tightening, which could damage the screw or the surrounding components. Recommended practices include using a torque wrench to apply the specified torque and ensuring that the screw is aligned correctly within the assembly. Regular checks should be performed to verify that the screw remains secure over time.

Troubleshooting and Maintenance

Common issues with the Cummins 4082742 Hexagon Flange Head Cap Screw may include loosening due to vibration or corrosion. Troubleshooting tips involve inspecting the screw regularly for signs of wear or damage and tightening it as necessary. Maintenance practices should include cleaning the screw and its surrounding area to prevent the buildup of debris and corrosion. Additionally, applying a thread locker can help maintain the screw’s position and prevent loosening.

Compatibility and Applications

The Cummins 4082742 Hexagon Flange Head Cap Screw is compatible with various truck models and is used in different truck components. Its versatility makes it suitable for a wide range of applications within the commercial truck industry, from engine mounts to chassis assemblies. Ensuring compatibility with specific truck models and components is important to maintain the screw’s effectiveness and the truck’s overall performance.

Manufacturer Information - Cummins

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its high-quality engines and components. With a rich history of innovation and excellence, Cummins offers a comprehensive range of products designed to meet the demanding requirements of commercial trucking. The company’s reputation for reliability and performance makes its components, including the Cummins 4082742 Hexagon Flange Head Cap Screw, a preferred choice for truck manufacturers and maintenance professionals.

Engine Compatibility of Part 4082742

The Hexagon Flange Head Cap Screw, part number 4082742, manufactured by Cummins, is designed to fit a variety of engine models. This part is integral to the assembly and maintenance of several engine types, ensuring secure fastening and stability.

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines benefit from the use of part 4082742, which is essential in maintaining the structural integrity of the engine components. This screw is used in various applications within these engines, including securing certain engine parts and ensuring proper alignment.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

In the M11 series engines, part 4082742 is utilized to secure key components, ensuring that the engine operates smoothly and efficiently. This screw is critical in maintaining the alignment and stability of various engine parts.

QSM11 Series Engine

• QSM11 CM570

For the QSM11 CM570 engine, part 4082742 is used in specific applications to ensure the engine’s components are fastened securely. This screw plays a vital role in the overall assembly and maintenance of the engine.

X12 Series Engine

• X12 CM2670 X121B

In the X12 CM2670 X121B engine, part 4082742 is employed in various critical fastening applications. This screw is essential for maintaining the structural integrity and operational efficiency of the engine.

Role of Part 4082742 Hexagon Flange Head Cap Screw in Various Engine Components

Air Compressor Kit

In an air compressor kit, the part 4082742 Hexagon Flange Head Cap Screw is utilized to secure various components, ensuring stability and reliability. It is often found fastening the compressor housing to its mounting bracket, providing the necessary tension to withstand operational vibrations and pressures. Additionally, it may be used to attach the pulley or clutch assembly to the compressor shaft, ensuring smooth and efficient operation of the air compressor.

Belt Tensioner Kit

Within a belt tensioner kit, the Hexagon Flange Head Cap Screw plays a significant role in maintaining the correct tension of the drive belt. It is commonly used to secure the tensioner arm to the engine block or bracket, allowing for precise adjustment of belt tension. This ensures optimal performance and longevity of the belt, reducing the risk of slippage or premature wear.

Mounting Applications

For mounting purposes, whether it be for an alternator or a refrigerant compressor, the part 4082742 Hexagon Flange Head Cap Screw is essential in providing a secure attachment to the engine block or chassis. In alternator mounting, it ensures the alternator remains firmly in place, allowing for consistent electrical output. Similarly, in refrigerant compressor mounting, it secures the compressor to the engine, facilitating efficient refrigerant flow and compressor operation.

Alternator

In the context of an alternator, the Hexagon Flange Head Cap Screw is often employed to fasten the alternator to its bracket or directly to the engine block. This secure attachment is vital for maintaining the alternator’s alignment and operational efficiency, ensuring a stable electrical supply to the vehicle’s systems.

Refrigerant Compressor

For refrigerant compressors, the part 4082742 Hexagon Flange Head Cap Screw is used to attach the compressor to its mounting points. This secure fastening is important for the compressor’s stability during operation, contributing to the efficient compression and circulation of refrigerant within the air conditioning system.

Conclusion

The Cummins 4082742 Hexagon Flange Head Cap Screw is a critical component in the maintenance and operation of commercial trucks. Its robust design, ease of installation, and compatibility with various engine models make it an essential part for ensuring the reliability and performance of truck components. Proper installation and maintenance practices are vital to maximize the benefits of this screw, contributing to the overall durability and efficiency of commercial vehicles.