3559047
Compressor Head
Cummins®

Introduction

The Socket Head Cap Screw 3559047 is a specialized fastener produced by Cummins, a leading manufacturer in the commercial truck industry. This screw is designed for use in various applications within commercial trucks, ensuring secure and reliable fastening solutions. Cummins is renowned for its high-quality components that contribute to the efficiency and durability of truck operations ¹.

Basic Concepts of Socket Head Cap Screws

Socket Head Cap Screws are a type of fastener characterized by a hexagonal socket in the head, allowing for easy installation and removal using a hex key. These screws are commonly used in mechanical assemblies where a flush surface finish is desired, and they provide a strong, permanent fastening solution. The design of the socket head allows for higher torque application compared to traditional hex-head screws, making them suitable for heavy-duty applications ².

Purpose of Socket Head Cap Screw 3559047 in Truck Operations

This part plays a significant role in the operation and maintenance of commercial trucks. It is utilized in various components where secure fastening is required, such as engine mounts, chassis assemblies, and other critical areas. The screw ensures that parts remain firmly in place under the demanding conditions experienced by commercial trucks, contributing to the overall reliability and safety of the vehicle ³.

Key Features

This Cummins part is distinguished by several key features that enhance its functionality. It is typically made from high-strength materials such as alloy steel, which provides excellent durability and resistance to wear. The screw features a fully threaded design, allowing for versatile application in different thicknesses of material. Additionally, the hexagonal socket head enables precise and efficient installation, reducing the risk of damage to the screw or surrounding components.

Benefits

Using the Socket Head Cap Screw 3559047 offers several advantages. Its high-strength material ensures improved durability, making it suitable for heavy-duty applications. The design of the screw allows for easy installation with minimal tools, enhancing efficiency during maintenance procedures. Furthermore, the reliable performance of this screw contributes to the overall safety and longevity of commercial truck operations.

Installation and Usage Guidelines

Proper installation of the Socket Head Cap Screw 3559047 is crucial for ensuring its effectiveness. To install the screw, use a hex key that matches the size of the socket head. Ensure the mating surfaces are clean and free of debris to achieve a secure fit. Apply the appropriate torque specifications provided by the manufacturer to avoid over-tightening, which can lead to damage. It is also recommended to use a torque wrench for precise application.

Troubleshooting Common Issues

Common issues with Socket Head Cap Screws include stripping of the socket head and loosening over time. To address these problems, inspect the screw regularly for signs of wear or damage. If the socket head becomes stripped, replace the screw to prevent further complications. To mitigate loosening, consider using thread-locking compounds during installation to enhance the screw’s holding power.

Maintenance Tips

Regular maintenance of Socket Head Cap Screws is essential for ensuring their longevity and consistent performance. Inspect screws periodically for signs of corrosion, wear, or loosening. Clean the screws and surrounding areas to remove any buildup that could affect their function. Replace screws that show significant wear or damage to maintain the integrity of the fastened components.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. Founded in 1919, Cummins has a long-standing reputation for innovation and quality in the commercial truck industry. The company offers a wide range of products designed to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and efficiency for its customers.

Compatibility with Cummins Engines

The Socket Head Cap Screw part number 3559047, manufactured by Cummins, is a versatile component that fits a variety of Cummins engines. This screw is designed to secure various parts and assemblies within the engine, ensuring structural integrity and proper function. Below is a detailed breakdown of the engines with which this part is compatible:

Cummins B Series Engines

• 4B3.9
• 6B5.9
• B5.9 G

Cummins C Series Engines

• C GAS PLUS CM556
• C8.3 G

Cummins ISB Engines

• ISB CM550

Cummins ISC Engines

• ISC CM554

Cummins ISL Engines

• ISL CM554

Cummins ISM Engines

• ISM CM570

Cummins K Series Engines

• K38
• K50

Cummins L10 Engines

• L10 CELECT
• L10 GAS

Cummins M11 Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

Cummins N14 Engines

• N14 CELECT PLUS
• N14 MECHANICAL

Cummins QSB Engines

• QSB5.9 44 CM550

Cummins QSC Engines

• QSC8.3 CM554

Cummins QSM Engines

• QSM11 CM570

Cummins NH/NT Engines

• NH/NT 855

This part is engineered to meet the stringent requirements of Cummins engines, ensuring durability and reliability in various operating conditions. It is essential for maintaining the alignment and stability of engine components, contributing to the overall performance and longevity of the engine.

Component Usage

The Socket Head Cap Screw 3559047 is integral to the assembly and functionality of various components within engine systems. Its role is to provide secure fastening, ensuring that parts remain firmly in place under operational conditions.

In the Air Compressor system, this screw is utilized to fasten components that are subject to high pressure and vibration. It ensures that the assembly remains intact, contributing to the overall efficiency and reliability of the compressor.

Within the QE Unloader Serv mechanism, the Socket Head Cap Screw is employed to secure the unloader valve and associated components. This is essential for maintaining the precise operation of the unloader, which regulates the compressor’s load and unload cycles.

For the Compressor Conversion Kit, the screw is used to attach critical components such as the head assemblies and conversion parts. This ensures that the kit is properly installed and functions as intended during the conversion process.

In the HD/B, HD/C, HD/STD, QE/B, QE/C, and QE/STD Head Assemblies, the Socket Head Cap Screw plays a key role in securing the head to the compressor body. This is vital for maintaining the structural integrity and operational performance of the head assembly.

Additionally, in the QE Head Assembly, the screw is used to fasten various components, ensuring that the assembly operates smoothly and efficiently.

For the MTG Compressor, the Socket Head Cap Screw is essential in securing the mounting brackets and other critical components, ensuring that the compressor is properly installed and functions correctly.

Lastly, in the broader Air system components, this screw is used wherever secure fastening is required to withstand the dynamic forces and pressures inherent in engine operations.

Conclusion

The Socket Head Cap Screw 3559047 by Cummins is a critical component in the maintenance and operation of commercial trucks and various engine systems. Its high-strength material, versatile design, and reliable performance make it an essential fastener for ensuring the durability and efficiency of truck operations. Proper installation, regular maintenance, and understanding its compatibility with Cummins engines are key to maximizing the benefits of this part.