4934747
Air Compressor Inlet Connection
Cummins®

Introduction

The Cummins 4934747 Air Compressor Inlet Connection is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s air brake system, facilitating the intake of air into the compressor. This part ensures that the air entering the compressor is clean and at the appropriate pressure, which is vital for the efficient operation of the air brake system ¹.

Basic Concepts of Air Compressor Inlet Connection

Air compressor inlet connections are integral to the functionality of a truck’s air brake system. They allow air to be drawn into the compressor, where it is pressurized and stored in tanks. The quality and pressure of the air entering the compressor can significantly affect the performance and reliability of the brake system ². An inlet connection must be designed to filter out contaminants and regulate the airflow to optimize compressor efficiency.

Purpose of the Cummins 4934747 Air Compressor Inlet Connection

The Cummins 4934747 Air Compressor Inlet Connection is engineered to direct and regulate the airflow into the compressor. It includes features that help in filtering out impurities from the air, ensuring that only clean air enters the compressor. This part plays a role in maintaining the compressor’s efficiency by providing a steady and clean air supply, which is crucial for the consistent operation of the air brake system ³.

Key Features

The 4934747 Air Compressor Inlet Connection is characterized by its robust design and the use of high-quality materials. It is built to withstand the demanding conditions typically encountered in commercial trucking. The connection includes a filtration system to remove contaminants from the air, and its design allows for easy installation and maintenance. These features contribute to the part’s performance and durability ⁴.

Benefits

The use of the Cummins 4934747 Air Compressor Inlet Connection offers several advantages. It enhances the efficiency of the air compressor by ensuring a clean and consistent air supply. This leads to improved reliability of the air brake system, reducing the likelihood of compressor failures. Additionally, its compatibility with Cummins air compressors ensures seamless integration into the existing system, maintaining or enhancing overall system performance ⁵.

Installation Process

Installing the Cummins 4934747 Air Compressor Inlet Connection requires careful attention to detail. The process involves disconnecting the old inlet connection, cleaning the area, and then attaching the new part. Tools such as wrenches and possibly a torque wrench may be needed. It is important to follow the manufacturer’s guidelines for torque specifications to ensure a secure fit without over-tightening. Safety precautions, such as wearing protective gloves and eyewear, should be observed throughout the installation process ⁶.

Common Issues and Troubleshooting

Typical problems with the 4934747 Air Compressor Inlet Connection may include leaks, blockages, or damage to the filtration system. Troubleshooting steps involve inspecting the connection for signs of wear or damage, checking for proper installation, and ensuring that the filtration system is functioning correctly. Solutions may range from simple cleaning or tightening to replacement of the part if it is found to be defective ⁷.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 4934747 Air Compressor Inlet Connection, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning the filtration system to remove accumulated contaminants, and checking for proper installation and connection integrity. Adhering to these maintenance practices can help prevent issues and extend the lifespan of the component ⁸.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong presence in the commercial truck industry, Cummins is known for its innovative solutions and commitment to quality. The company offers a wide range of products designed to meet the demanding requirements of commercial vehicles, including air compressors and related components ⁹.

Compatibility of 4934747 Air Compressor Inlet Connection

The 4934747 Air Compressor Inlet Connection, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part is integral to the air intake system, ensuring that the air compressor receives the necessary airflow for optimal performance.

ISC CM2150 and ISL CM2150 Engines

The part 4934747 is compatible with both the ISC CM2150 and ISL CM2150 engines. These engines are part of Cummins’ lineup of medium-duty diesel engines, known for their reliability and efficiency. The inlet connection ensures that the air compressor can efficiently draw in air, contributing to the overall performance and longevity of the engine ¹⁰.

ISC8.3 CM2250 and ISL9 CM2250 Engines

Moving to the more powerful variants, the ISC8.3 CM2250 and ISL9 CM2250 engines also utilize the part 4934747. These engines are designed for heavy-duty applications, providing robust performance in demanding environments. The inlet connection is crucial in these engines, as it helps maintain the high airflow rates necessary for the engine’s operation ¹¹.

QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250 Engines

Lastly, the QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250 engines are also compatible with the part 4934747. These engines are part of Cummins’ range of high-performance diesel engines, often used in industrial and heavy-duty applications. The inlet connection ensures that the air compressor can handle the increased airflow demands of these powerful engines, contributing to their efficiency and reliability ¹².

Role of Part 4934747 Air Compressor Inlet Connection in Engine Systems

The part 4934747 Air Compressor Inlet Connection is integral to the efficient operation of engine systems, particularly in the arrangement and functionality of the compressor air inlet. This component ensures a secure and leak-free connection between the air source and the compressor, facilitating the smooth intake of air required for compression.

In the arrangement of engine components, the Air Compressor Inlet Connection acts as a vital interface. It links the air filtration system to the compressor, allowing clean, debris-free air to enter. This connection is essential for maintaining the compressor’s efficiency and longevity, as contaminants in the air can lead to wear and reduced performance ¹³.

Furthermore, within the compressor air inlet system, the 4934747 part plays a significant role. It ensures that the air entering the compressor is at the correct pressure and volume, which is necessary for optimal compression ratios. This, in turn, affects the overall performance and fuel efficiency of the engine ¹⁴.

The Air Compressor Inlet Connection also contributes to the stability of the engine’s air-fuel mixture. By providing a consistent air supply, it helps in maintaining the correct balance, which is vital for combustion efficiency and reducing emissions ¹⁵.

Conclusion

In summary, the 4934747 Air Compressor Inlet Connection is a key component in the engine system, influencing the arrangement and operation of the compressor air inlet. Its proper function is essential for the efficient and reliable performance of the engine.

References