3647519
Air Crossover Connection
Cummins®

Introduction

The Air Crossover Connection 3647519 is a component designed by Cummins for use in heavy-duty trucks. This part is integral to the pneumatic system, facilitating the distribution of compressed air throughout the vehicle. Its role is to ensure that air is evenly distributed to various systems that rely on pneumatic power, such as brakes, suspension, and other auxiliary systems.

Basic Concepts

Air crossover connections in pneumatic systems serve to balance and distribute air pressure across different circuits. They allow for the interconnection of separate air lines, ensuring that if one line experiences a drop in pressure, the others can compensate, maintaining consistent performance across the system. This balance is crucial for the reliable operation of pneumatic components, which depend on a steady supply of compressed air ¹.

Purpose and Function

The Air Crossover Connection 3647519 specifically contributes to the pneumatic system by enabling efficient air distribution and maintaining system balance. It connects different air lines within the truck, allowing for the equalization of pressure. This ensures that all pneumatic systems receive the necessary air pressure to function correctly, enhancing the overall performance and safety of the vehicle.

Key Features

This Cummins part is constructed from durable materials designed to withstand the harsh conditions encountered in heavy-duty truck operations. Its design includes features that enhance its performance and longevity, such as corrosion-resistant coatings and robust connection points. These attributes ensure that the component can endure the rigors of daily use without compromising its functionality.

Benefits

Incorporating the Air Crossover Connection 3647519 into a truck’s pneumatic system offers several advantages. It improves system efficiency by ensuring that air is distributed evenly, reducing the likelihood of pressure drops that could affect performance. Additionally, its reliable operation contributes to the overall reliability of the truck’s pneumatic systems, potentially leading to cost savings for fleet operators through reduced maintenance and repair needs.

Installation and Integration

Proper installation of the Air Crossover Connection 3647519 is crucial for its effective operation. It should be integrated into the truck’s pneumatic system with consideration for compatibility with other components. Following manufacturer guidelines ensures that the connection is secure and functions as intended, contributing to the overall efficiency and reliability of the pneumatic system.

Maintenance and Troubleshooting

Routine maintenance of the Air Crossover Connection 3647519 is recommended to ensure its longevity and optimal performance. This includes regular inspections for signs of wear or damage, cleaning to remove any debris that could obstruct airflow, and checking connections for tightness. Troubleshooting may involve identifying and addressing leaks or blockages within the system to maintain consistent air pressure.

Common Issues and Solutions

Typical problems with air crossover connections can include leaks, blockages, or corrosion. Addressing these issues promptly is important to maintain system efficiency. Solutions may involve repairing or replacing damaged components, cleaning the system to remove debris, or applying protective coatings to prevent corrosion. Preventive measures, such as regular maintenance checks, can help mitigate these issues.

Cummins Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the automotive industry. Its expertise in engine and component design ensures that products like the Air Crossover Connection 3647519 meet the high standards required for heavy-duty applications.

Air Crossover Connection Part 3647519 in Cummins Engines

The Air Crossover Connection part 3647519 is a critical component in the Cummins QSK38 series engines, specifically the QSK38 CM2150 MCRS and QSK38 CM850 MCRS models. This part plays a pivotal role in the engine’s air management system, ensuring efficient and reliable operation.

In the QSK38 CM2150 MCRS engine, the Air Crossover Connection part 3647519 is integral to the air intake system. It facilitates the distribution of compressed air from the turbochargers to the engine cylinders, ensuring that each cylinder receives an adequate air supply. This part is designed to withstand high pressures and temperatures, maintaining its structural integrity and performance over time.

Similarly, in the QSK38 CM850 MCRS engine, the Air Crossover Connection part 3647519 serves the same fundamental purpose. It connects the turbochargers to the engine’s intake manifold, ensuring a balanced and efficient air flow. This balance is crucial for optimal combustion, which in turn affects the engine’s overall performance and fuel efficiency.

Both engines rely on this part to maintain a consistent air supply, which is essential for the engine’s performance and longevity. The design and placement of the Air Crossover Connection part 3647519 are meticulously engineered to ensure that it integrates seamlessly with the engine’s architecture, providing a reliable connection point for the air intake system.

Role of Part 3647519 Air Crossover Connection in Engine Systems

The Air Crossover Connection, identified by part number 3647519, is an integral component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth transition of air between different sections of the engine, enhancing overall performance and reliability.

Integration with the Aftercooler

In systems equipped with an aftercooler, the Air Crossover Connection plays a significant role. It ensures that the cooled air, which has passed through the aftercooler, is effectively distributed to the subsequent stages of the engine. This optimized air flow contributes to better combustion efficiency and reduced thermal stress on engine components.

Connection to Air Management Systems

The Air Crossover Connection is also pivotal in linking various air management components within the engine system. It acts as a bridge, allowing for the seamless transfer of air from the turbocharger to the intercooler, and subsequently to the engine’s intake manifold. This uninterrupted flow is essential for maintaining consistent air pressure and temperature, which are vital for engine performance.

Enhancing Engine Efficiency

By ensuring a consistent and regulated air flow, the Air Crossover Connection aids in the efficient operation of the engine. It helps in maintaining the correct air-fuel ratio, which is fundamental for optimal combustion. This not only improves engine efficiency but also contributes to reduced emissions and enhanced fuel economy.

Reliability and Durability

The design of the Air Crossover Connection is tailored to withstand the high pressures and temperatures typical in engine environments. Its robust construction ensures longevity and reliability, making it a dependable component in the engine’s air management system.

Conclusion

In summary, the Air Crossover Connection (part 3647519) is a key element in the engine’s air management system, facilitating efficient air flow between critical components like the aftercooler and the intake manifold. Its role in maintaining optimal air conditions is essential for the engine’s performance, efficiency, and durability ².