4935804
Quick Disconnect Connector
Cummins®

The 4935804 Quick Disconnect Connector, a component manufactured by Cummins, is designed for use in commercial trucks to facilitate the easy connection and disconnection of fluid lines. This Cummins part underscores Cummins’ commitment to enhancing efficiency and safety in vehicle maintenance and operation.

Basic Concepts of Quick Disconnect Connectors

Quick disconnect connectors are devices used in automotive and industrial applications to allow for the rapid connection and disconnection of fluid lines. These connectors are engineered to provide a secure seal when connected, ensuring that fluids such as fuel, hydraulic fluid, or coolant are transferred efficiently and without leakage. They are particularly valuable in settings where frequent connection and disconnection of fluid lines are necessary, as they reduce the time and effort required for these tasks ¹.

Purpose of the 4935804 Quick Disconnect Connector

The 4935804 Quick Disconnect Connector enables the swift and secure connection and disconnection of fluid lines in a truck. It is applied in various fluid systems, including fuel, hydraulic, and coolant lines. By providing a reliable sealing mechanism, it ensures that these systems operate efficiently and safely, minimizing the risk of spills and leaks during maintenance or system checks ².

Key Features

The 4935804 Quick Disconnect Connector is characterized by several key features that enhance its performance and reliability. Its design incorporates materials that are resistant to corrosion and wear, ensuring durability in demanding environments. The sealing mechanisms are engineered to provide a tight seal, preventing fluid leakage. Additionally, the connector may feature unique attributes such as easy-to-use coupling mechanisms and compatibility with a range of fluid line sizes and types, further enhancing its utility in commercial truck applications.

Benefits

The use of the 4935804 Quick Disconnect Connector offers several benefits. It saves time during maintenance by allowing for quick connection and disconnection of fluid lines. It reduces the risk of spills and leaks, enhancing safety and cleanliness during maintenance operations. The ease of use of the connector also contributes to more efficient fluid system management, allowing for quicker turnaround times in maintenance and repair tasks ³.

Installation Process

Installing the 4935804 Quick Disconnect Connector involves several steps to ensure a secure and leak-free connection. First, the fluid lines should be prepared by cleaning and, if necessary, cutting to the appropriate length. The connector is then attached to the fluid line, following the manufacturer’s guidelines for proper alignment and engagement. Tools required may include basic hand tools for preparation and connection. Ensuring the connector is fully engaged and testing for leaks are critical steps in the installation process.

Troubleshooting Common Issues

Common issues with the 4935804 Quick Disconnect Connector may include leaks, difficulty in disconnection, or failure to seal properly. Troubleshooting these issues involves checking the connector and fluid lines for damage or wear, ensuring proper alignment and engagement during connection, and cleaning the connector and fluid lines to remove any debris that may prevent a secure seal. In some cases, replacement of the connector or fluid lines may be necessary to resolve persistent issues.

Maintenance Tips

Regular maintenance of the 4935804 Quick Disconnect Connector is important for ensuring its longevity and reliable performance. This includes cleaning the connector and fluid lines to remove any buildup that may affect sealing, inspecting for signs of wear or damage, and replacing components as needed. Adhering to the manufacturer’s guidelines for maintenance and operation can help prevent issues and ensure the connector continues to function effectively.

Safety Considerations

When working with the 4935804 Quick Disconnect Connector, it is important to observe several safety practices. This includes proper handling of fluids to prevent spills and exposure, use of personal protective equipment such as gloves and safety glasses, and adherence to manufacturer guidelines for installation, maintenance, and operation. These practices help ensure the safety of personnel and the integrity of the fluid systems in which the connector is used.

Compatibility with Cummins Engines

The Quick Disconnect Connector part number 4935804, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is essential for facilitating quick and secure connections and disconnections, which is crucial for maintenance and operational efficiency. Below is a detailed breakdown of the engines with which this part is compatible:

ISB/ISD Series

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

ISBE Series

• ISBE CM2150
• ISBE4 CM850

ISL Series

• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

ISM Series

• ISM11 CM876 SN

ISZ Series

• ISZ13 CM2150 Z105

Role of Part 4935804 Quick Disconnect Connector in Engine Systems

The Part 4935804 Quick Disconnect Connector is an essential component in the integration and maintenance of various engine systems, particularly within the aftertreatment system. This connector facilitates the seamless connection and disconnection of critical components, ensuring efficient operation and straightforward servicing.

In the context of an Aftertreatment Device, the Quick Disconnect Connector allows for the easy attachment and detachment of the device from the main system. This is particularly beneficial during maintenance or replacement procedures, minimizing downtime and simplifying the process.

Within the broader Aftertreatment System, the connector plays a significant role in linking the Doser Pump to the system. The doser pump is responsible for injecting Diesel Exhaust Fluid (DEF) into the exhaust stream to reduce emissions. The quick disconnect feature ensures that the doser pump can be rapidly connected or disconnected, aiding in quick diagnostics and repairs.

The Fluid Doser component, which works in tandem with the doser pump, also benefits from the use of this connector. It enables the fluid doser to be efficiently integrated into the aftertreatment system, allowing for precise control over the dosing process and ensuring optimal performance of the aftertreatment system.

Conclusion

The 4935804 Quick Disconnect Connector by Cummins is a vital component in the maintenance and operation of commercial trucks, offering efficiency, safety, and ease of use in fluid line management. Its compatibility with a wide range of Cummins engines and its role in the aftertreatment system highlight its importance in modern diesel engine technology.