4937840
Quick Disconnect Connector
Cummins®

Introduction to Quick Disconnect Connectors

Quick disconnect connectors are essential in commercial truck engines, designed to facilitate the safe and efficient connection and disconnection of fluid lines. These connectors are crucial for tasks such as refueling, maintenance, and repair, where rapid and secure connections are necessary to prevent leaks and ensure operational safety ¹.

The Role of the Cummins 4937840 Quick Disconnect Connector

The Cummins 4937840 Quick Disconnect Connector is specifically engineered to meet the rigorous demands of heavy-duty truck engines. This component allows for the quick and secure connection of hydraulic or fuel lines, ensuring that maintenance and operational tasks can be performed swiftly and safely. Its robust design and reliable performance make it a preferred choice for professionals in the industry ².

How the Cummins 4937840 Quick Disconnect Connector Works

The Cummins 4937840 Quick Disconnect Connector operates through a simple yet effective mechanism. When the connector is engaged, a locking pin secures the connection, preventing accidental disconnection. This locking mechanism ensures that the connection remains tight and leak-free under the high pressures and vibrations typical of truck engines. The design also incorporates features to withstand the harsh environments and demanding conditions encountered in commercial trucking ³.

Purpose and Importance in Truck Operations

In the operation of commercial trucks, the Cummins 4937840 Quick Disconnect Connector plays a vital role. It enables mechanics and fleet operators to perform maintenance tasks such as refueling, hydraulic fluid changes, and other fluid transfers with minimal downtime. This efficiency is crucial for maintaining the productivity and reliability of truck fleets. The quick disconnect feature reduces the time required for these tasks, allowing for more efficient fleet management and reduced operational costs.

Troubleshooting and Maintenance

Proper maintenance of the Cummins 4937840 Quick Disconnect Connector is essential to ensure its longevity and performance. Regular inspection for signs of wear, corrosion, or damage is recommended. If any issues are detected, such as leaks or difficulty in engaging the connector, it is important to address them promptly to prevent further complications.

To maintain the connector, clean it regularly with a suitable solvent to remove any debris or contaminants that may affect its performance. Lubricating the moving parts with a high-quality lubricant can also help ensure smooth operation. Following these maintenance practices will help extend the life of the connector and ensure reliable performance.

Cummins: A Leader in Truck Engine Solutions

Cummins is a renowned manufacturer of heavy-duty truck engines and related components. With a legacy of innovation and quality, Cummins products are trusted by engineers, mechanics, and fleet operators worldwide. The Cummins 4937840 Quick Disconnect Connector exemplifies the company’s commitment to providing reliable and durable solutions for the commercial trucking industry. Cummins’ reputation for excellence ensures that their components are built to withstand the toughest conditions and deliver consistent performance.

Expert Insights and Best Practices

For those working with the Cummins 4937840 Quick Disconnect Connector, it is important to follow best practices to ensure optimal performance. This includes using the correct procedures for connecting and disconnecting the lines, avoiding over-tightening, and adhering to manufacturer guidelines for maintenance and troubleshooting. By understanding the functionality and importance of the Cummins 4937840 Quick Disconnect Connector, engineers, mechanics, and fleet operators can enhance their maintenance practices and ensure the continued reliability of their commercial trucks.

Engines Compatible with Part 4937840

The Cummins 4937840 Quick Disconnect Connector is designed to fit seamlessly with a variety of Cummins engines. This part is engineered to provide a reliable and efficient connection for fluid lines, ensuring that maintenance and repairs can be performed with ease.

B6.7 Series

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C

ISB Series

• ISB (Chrysler)
• ISB CM2150
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

ISBE Series

• ISBE CM2150
• ISBE4 CM850

QSB Series

• QSB4.5 CM2250 EC
• QSB6.7 CM2250
• QSB6.7 CM2350 B105
• QSB6.7 CM850 (CM2850)
• QSB6.7 M CM2250
• QSB7 CM2880 B117

X15 Series

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

This part is crucial for maintaining the integrity of the fluid systems in these engines, ensuring that the connectors are both durable and easy to use during maintenance procedures.

Role of Part 4937840 Quick Disconnect Connector in Engine Systems

The Cummins 4937840 Quick Disconnect Connector is integral to the seamless operation and maintenance of various engine systems. It facilitates efficient connections and disconnections in several key components, enhancing both functionality and serviceability.

Fuel System Integration

In the fuel system, the Quick Disconnect Connector is employed at the fuel inlet fitting of the fuel injection pump. This allows for easy detachment during maintenance or replacement of the pump, reducing downtime and simplifying the repair process. Additionally, it is used in the fuel filter plumbing to connect the fuel filter to the fuel lines, enabling quick changes of the filter without the need for complex tools.

Plumbing and Hose Applications

The connector plays a significant role in the fuel plumbing system by linking the fuel pump to the fuel injection pump. This ensures a secure and leak-free connection, vital for maintaining consistent fuel pressure and flow. Furthermore, it is utilized in the fuel drain plumbing at the drain location, allowing for straightforward draining of fuel during system purges or when changing filters.

Accessory and Valve Connections

In terms of fuel system accessories, the Quick Disconnect Connector is used to interface various components such as the fluid doser with the main fuel lines. This setup allows for precise dosing and easy removal for calibration or repair. It also connects the fuel shutoff valve to the fuel lines, providing a reliable means to isolate the fuel supply when needed.

Lift Pump Kit and Flexible Hose

Within the lift pump kit, the connector is employed to join the pump to the flexible hose leading to the fuel tank. This application ensures that the lift pump can be quickly disconnected for servicing or upgrades. The use of a flexible hose with the Quick Disconnect Connector enhances the system’s flexibility and reduces stress on the connections, prolonging the lifespan of the components.

Conclusion

The Cummins 4937840 Quick Disconnect Connector is a versatile and essential component that significantly enhances the efficiency and maintainability of engine systems. By providing secure, easy-to-disconnect joints across various critical points, this Cummins part ensures that maintenance and operational tasks can be performed swiftly and safely, ultimately contributing to the reliability and productivity of commercial truck fleets.