3520815
Roll Pin
Cummins®

The Cummins Roll Pin 3520815 is a specialized component designed for use in commercial truck systems. Its purpose is to secure various mechanical parts in place, ensuring the smooth operation of truck components. This part is significant within the context of commercial truck components due to its role in maintaining the integrity and functionality of truck systems.

Basic Concepts of Roll Pins

Roll pins are cylindrical fasteners used in mechanical systems to hold components together. They function by being pressed into pre-drilled holes, where they expand slightly to create a secure fit. This mechanism allows for the alignment and stabilization of parts without the need for additional fasteners, which can simplify assembly and reduce the risk of component misalignment ¹.

Purpose of the 3520815 Roll Pin in Truck Operation

This Cummins part plays a specific role in the operation of commercial trucks. It is utilized in various truck systems and components to ensure that parts remain securely in place. This includes applications in engine components, transmission systems, and other mechanical assemblies where precise alignment and stability are required for optimal performance.

Key Features of the 3520815 Roll Pin

The 3520815 is characterized by its design and material composition. It is manufactured from high-quality steel, which provides durability and resistance to wear. The roll pin’s dimensions are precisely engineered to fit specific applications, ensuring a secure and reliable connection between components. Its design includes features that enhance performance and longevity in demanding truck environments.

Benefits of Using the 3520815 Roll Pin

The use of this part offers several advantages. It contributes to improved reliability by securely holding components in place, which is vital for the consistent operation of truck systems. The roll pin’s design allows for ease of installation, reducing assembly time and complexity. Additionally, its contribution to the overall efficiency of truck operations cannot be overstated, as it helps maintain the precise alignment and function of mechanical parts.

Installation and Usage Guidelines

Proper installation of the 3520815 involves several steps to ensure correct placement and function. It is important to use the appropriate tools and procedures to press the roll pin into the pre-drilled hole, ensuring it expands slightly for a secure fit. Careful attention to alignment and the use of recommended installation techniques will help achieve the desired performance and durability.

Troubleshooting Common Issues

Common problems associated with roll pins, such as misalignment or wear, can affect the performance of truck systems. Diagnosing these issues involves inspecting the roll pin and surrounding components for signs of damage or improper installation. Resolving these problems may require re-aligning components, replacing worn roll pins, or adjusting the installation process to ensure a secure and proper fit.

Maintenance Tips

Regular maintenance of the 3520815 is important to ensure its continued performance and durability. This includes periodic inspection for signs of wear or damage, cleaning to remove any debris that may affect its function, and considering replacement if significant wear is observed. Adhering to recommended inspection intervals and maintenance procedures will help prolong the life of the roll pin and maintain the efficiency of truck operations.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. The company offers a wide range of products, including engines, powertrain components, and aftermarket parts, designed to meet the demanding requirements of commercial truck applications. Cummins’ reputation for reliability and performance is built on a history of delivering high-quality components that contribute to the efficiency and durability of truck systems.

Cummins Engine Roll Pin 3520815 Compatibility

The Cummins Roll Pin 3520815 is a critical component that fits into various Cummins engine models, ensuring proper alignment and stability of moving parts. This roll pin is designed to withstand high stress and provide durability across a range of engine applications.

Cummins B Series Engines

The B3.9, B4.5, B5.6, B5.9, and B5.9 G engines are part of the B Series lineup. The Roll Pin 3520815 is compatible with these engines, ensuring the smooth operation of various internal components.

Cummins C Series Engines

The C8.3 and C8.3 G engines are part of the C Series. The Roll Pin 3520815 fits seamlessly into these engines, providing the necessary support and alignment for their operation.

Cummins G Series Engines

The G5.9 and G5.9 CM558 engines are part of the G Series. This roll pin is designed to fit these engines, ensuring the integrity of the engine’s moving parts.

Cummins ISB Series Engines

The ISB CM2150, ISB CM550, ISB CM850, ISB5.9 CM2880 B110, ISB5.9 CM2880 B140, ISB5.9 CM2880 B149, ISB5.9G CM2180, ISB6.7 CM2250, and ISBE CM800 engines are part of the ISB Series. The Roll Pin 3520815 is compatible with these engines, providing essential support and alignment.

Cummins QSB Series Engines

The QSB3.9 30 CM550, QSB5.9 30 CM550, QSB5.9 44 CM550, QSB5.9 CM2880 B115, and QSB5.9G engines are part of the QSB Series. The Roll Pin 3520815 fits these engines, ensuring the proper functioning of their internal mechanisms.

Cummins GAS PLUS CM556 and CM558 Engines

The B5.9 GAS PLUS CM556 and G5.9 CM558 engines are specialized models. The Roll Pin 3520815 is compatible with these engines, providing the necessary support and alignment for their unique configurations.

Role of Part 3520815 Roll Pin in Engine Systems

The 3520815 is an essential component in various engine systems, facilitating smooth operation and efficient performance. Its application spans across multiple components, ensuring the seamless functioning of the engine.

Alternator Systems

In alternator systems, the 3520815 is utilized in the alternator location mechanism. It secures the alternator in place, allowing for precise alignment and stable operation. This is vital for consistent power generation and reliable electrical output. Additionally, the roll pin is integral to the alternator mounting process, ensuring that the alternator is firmly attached to the engine block or bracket. This stability is necessary for withstanding the vibrations and stresses encountered during engine operation. The alternator support structure also benefits from the roll pin, as it helps maintain the structural integrity of the support, preventing any misalignment that could lead to inefficient power transfer.

Belt Tensioner Bracket

The belt tensioner bracket employs the 3520815 to maintain the correct tension on the drive belts. This is essential for the efficient transfer of power from the engine to various auxiliary components such as the alternator, water pump, and air conditioning compressor. Proper tension ensures that these components operate smoothly and efficiently, reducing the risk of belt slippage or failure.

Water Inlet Connection

In the water inlet connection, the roll pin plays a role in securing the water inlet to the engine block. This connection is critical for the proper circulation of coolant throughout the engine, ensuring optimal temperature regulation and preventing overheating. The stability provided by the roll pin helps maintain a secure seal, which is essential for the efficient flow of coolant.

Turbocharger Systems

Within turbocharger systems, particularly in the turbocharger bearing housing, the 3520815 is used to secure components in place. This ensures that the turbocharger operates smoothly, with minimal friction and wear. The roll pin helps maintain the precise alignment of the turbocharger’s internal components, which is essential for achieving the desired boost pressure and overall performance.

General Application

Across various engine components, the 3520815 is employed to enhance performance and reliability. Whether in standard or performance parts, the roll pin ensures that components are securely fastened, reducing the likelihood of failure under stress. This is particularly important in high-performance engines where components are subjected to greater stresses and higher operating temperatures.

Conclusion

In summary, the 3520815 is a versatile and reliable component that plays a significant role in the efficient and stable operation of various engine systems. Its application in alternators, belt tensioner brackets, water inlet connections, and turbochargers underscores its importance in maintaining the overall performance and reliability of the engine.