4935803
Quick Disconnect Connector
Cummins®

The 4935803 Quick Disconnect Connector, manufactured by Cummins, is a component designed to facilitate efficient and safe connections in commercial truck operations. Cummins, a well-established name in the commercial truck industry, produces a range of parts and systems that enhance the performance and reliability of heavy-duty vehicles. This Cummins part is significant in this context as it streamlines various operational processes, ensuring both efficiency and safety in commercial truck applications.

Basic Concepts of Quick Disconnect Connectors

Quick disconnect connectors are devices used to join two components rapidly and securely, allowing for easy separation when needed. In the automotive industry, these connectors are employed in various systems, including fuel lines, hydraulic systems, and pneumatic systems. They function by creating a sealed connection that can be quickly disengaged without the need for tools, which is particularly useful in maintenance and operational scenarios where time efficiency is crucial ¹.

Purpose of the 4935803 Quick Disconnect Connector

The 4935803 Quick Disconnect Connector plays a specific role in the operation of commercial trucks by enabling quick and secure connections in various systems. It is commonly used in fuel systems, allowing for rapid refueling and maintenance procedures. Additionally, it can be found in hydraulic and pneumatic systems where quick coupling and decoupling are necessary for efficient operation and maintenance ².

Key Features

The 4935803 Quick Disconnect Connector is characterized by several key features that enhance its functionality. Its design incorporates robust materials that ensure durability and reliability under demanding conditions. The connector is engineered to provide a secure seal, preventing leaks and ensuring the integrity of the connected systems. Additionally, it features an easy-to-use mechanism that allows for quick connection and disconnection, minimizing downtime during maintenance operations ³.

Benefits

The advantages provided by the 4935803 Quick Disconnect Connector include increased efficiency in operations, ease of use, and improvements in safety and performance. By allowing for rapid connections and disconnections, it reduces the time required for maintenance tasks, thereby enhancing overall operational efficiency. Its secure seal design ensures that systems remain leak-free, contributing to safer and more reliable truck operations ⁴.

Installation Process

Proper installation of the 4935803 Quick Disconnect Connector involves several steps to ensure it functions correctly and safely. Begin by identifying the correct location for the connector within the system. Use the appropriate tools to prepare the connection points, ensuring they are clean and free from debris. Align the connector with the mating component and engage it firmly until a secure connection is achieved. Verify the connection by checking for any signs of leakage or improper engagement. Always follow safety precautions, such as wearing protective gear and ensuring the system is depressurized before making connections.

Troubleshooting Common Issues

Common problems with the 4935803 Quick Disconnect Connector may include difficulty in engaging the connection, leaks, or disconnections under pressure. To address these issues, first, ensure that the connection points are clean and free from obstructions. If the connector is difficult to engage, check for any misalignment or damage to the connector or mating component. In the case of leaks, verify the seal integrity and ensure the connector is fully engaged. If disconnections occur under pressure, inspect the connector for signs of wear or damage and consider replacing it if necessary.

Maintenance Tips

To ensure the longevity and reliable performance of the 4935803 Quick Disconnect Connector, regular maintenance practices are recommended. Inspect the connector regularly for signs of wear, damage, or corrosion. Clean the connection points before each use to remove any debris or contaminants that could affect the seal. Lubricate the connector as per the manufacturer’s recommendations to ensure smooth operation. Replace the connector if it shows signs of significant wear or if it fails to create a secure seal.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the commercial truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications. Cummins’ commitment to excellence and customer satisfaction has made it a trusted name in the industry.

Quick Disconnect Connector 4935803 Compatibility with Cummins Engines

The Quick Disconnect Connector part number 4935803, manufactured by Cummins, is designed to fit a variety of Cummins engines, ensuring seamless integration and reliable performance. This part is crucial for applications requiring easy and efficient connections and disconnections, enhancing operational efficiency and maintenance convenience.

Engines Compatible with 4935803

ISB/ISD Series Engines:

• ISB/ISD 4.5 CM2150 B119
• ISB/ISD 6.7 CM2150 SN

These engines benefit from the connector’s design, which provides a robust connection suitable for the demanding environments these engines typically operate in.

ISBE Series Engines:

• ISBE CM2150
• ISBE4 CM850

The ISBE series engines are known for their reliability and efficiency, and the 4935803 connector ensures that these engines maintain their operational integrity with minimal downtime.

ISL Series Engines:

• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

These engines, often used in heavy-duty applications, require a connector that can withstand high stress and frequent use. The 4935803 part meets these demands, providing a durable solution for quick disconnects.

ISM Series Engines:

• ISM11 CM876 SN

The ISM11 engine, designed for medium-duty applications, also integrates well with the 4935803 connector, ensuring smooth operations and ease of maintenance.

ISX Series Engines:

• ISX15 CM2250 SN

The ISX15 engine, a powerhouse in the heavy-duty segment, relies on the 4935803 connector for its demanding operational needs, ensuring that the engine can handle high-stress situations without compromising on performance.

ISZ Series Engines:

• ISZ13 CM2150 Z105

The ISZ13 engine, known for its versatility, also finds a reliable partner in the 4935803 connector, facilitating quick and efficient connections and disconnections, which is crucial for its varied applications.

Role of Part 4935803 Quick Disconnect Connector in Engine Systems

The Part 4935803 Quick Disconnect Connector is an essential component in the integration and functionality of various engine systems, particularly within the aftertreatment system of diesel engines. This connector facilitates the seamless connection and disconnection of critical components, ensuring efficient operation and maintenance.

Integration with Aftertreatment Devices

In the aftertreatment system, the Quick Disconnect Connector is used to link the aftertreatment device to the main system. This connection allows for the transfer of diesel exhaust fluid (DEF) from the diesel exhaust fluid tank to the aftertreatment device. The connector ensures a secure and leak-free link, which is vital for the proper functioning of the aftertreatment process.

Connection to Doser Pump and Fluid Doser

The Quick Disconnect Connector plays a significant role in connecting the doser pump and fluid doser to the aftertreatment system. This connection enables the precise delivery of DEF into the exhaust stream, where it reacts with harmful emissions to convert them into less harmful substances. The ease of disconnection provided by the connector allows for straightforward maintenance and replacement of the doser pump and fluid doser, minimizing downtime.

Hardware Kit Compatibility

When included in a hardware kit, the Quick Disconnect Connector ensures that all components within the kit are easily assembled and disassembled. This feature is particularly beneficial during the installation of new aftertreatment systems or during routine maintenance checks. The connector’s design allows for quick and secure connections, reducing the risk of human error during assembly.

System-wide Application

Across the entire aftertreatment system, the Quick Disconnect Connector is utilized to link various components, ensuring that the system operates as a cohesive unit. Its application extends to connecting the aftertreatment device to the diesel exhaust fluid tank, facilitating the smooth flow of DEF throughout the system. This connector is also used in the maintenance and repair of the system, allowing technicians to quickly isolate and address issues without disrupting the entire system.

Conclusion

In summary, the 4935803 Quick Disconnect Connector is a versatile and indispensable component in the aftertreatment system of diesel engines. Its role in connecting and disconnecting critical components ensures the system’s efficiency, reliability, and ease of maintenance.