4089576
Fuel Shutoff Valve Kit
Cummins®

Introduction

The Cummins 4089576 Fuel Shutoff Valve Kit is a critical component for heavy-duty trucks, designed to regulate fuel flow to the engine. This ensures safe and efficient vehicle operation, playing a significant role in both routine maintenance and emergency shutdown procedures ³.

Basic Concepts of Fuel Shutoff Valve Kit

Fuel shutoff valve kits are engineered to manage fuel flow to an engine, maintaining safe vehicle operation. They can be activated to halt fuel supply in emergencies or during maintenance, preventing engine operation and enhancing safety and operational control ².

Purpose of the Cummins 4089576 Fuel Shutoff Valve Kit

This Cummins part is specifically designed to stop fuel flow to the engine in emergencies or during maintenance. This prevents engine damage, reduces fire risk, and ensures safe maintenance procedures. Its ability to halt fuel flow is crucial for heavy-duty truck operations ³.

Key Features

The Fuel Shutoff Valve Kit features a robust design and construction for heavy-duty applications. It includes durable and reliable components for consistent performance under demanding conditions. Notable features may include ease of installation, compatibility with specific engine models, and design elements that enhance safety and efficiency ¹.

Benefits

Utilizing the Cummins 4089576 Fuel Shutoff Valve Kit offers several advantages. These include improved safety through reliable fuel shutoff, enhanced reliability due to its robust design, and ease of maintenance, which can reduce downtime and operational costs. Compared to alternative solutions, this kit provides a comprehensive approach to fuel management in heavy-duty trucks ³.

Installation and Maintenance

Correct installation and maintenance of the 4089576 are vital for its effective operation. Installation guidelines should be followed to ensure proper positioning and secure attachment. Maintenance may involve regular inspection, testing the shutoff function, and replacing components as needed to ensure continued reliability and safety ².

Troubleshooting

Common issues with the Fuel Shutoff Valve Kit may include failure to shut off fuel flow, leaks, or mechanical malfunctions. Troubleshooting involves diagnostic procedures to identify the root cause, followed by appropriate solutions such as component repair or replacement. Regular maintenance and adherence to manufacturer guidelines can help prevent many of these issues ¹.

Safety Considerations

Safety is paramount when using the Cummins 4089576 Fuel Shutoff Valve Kit. This includes proper handling and storage of fuel, adherence to safety regulations regarding fuel systems, and safe disposal of components. Additionally, operators should be trained in the correct use of the shutoff valve to ensure safe operation and emergency response ².

Cummins Overview

Cummins Inc. is a global leader in power solutions, designing, manufacturing, and distributing engines, filtration, and power generation products. With a history of innovation and a broad range of product offerings, Cummins has established a strong reputation in the automotive and heavy-duty truck industries. The company’s commitment to quality and performance is evident in its products, including the Cummins 4089576 Fuel Shutoff Valve Kit ³.

Components of the Cummins 4089576 Fuel Shutoff Valve Kit

S600 - Lock Washer

The S600 lock washer is designed to prevent loosening of fasteners by resisting vibration and rotation. When used with hexagon flange head cap screws, it ensures secure connections under operational conditions.

3529610 - Plain Washer

The 3529610 plain washer acts as a spacer and load distributor. It is placed under the head of hexagon flange head cap screws to evenly distribute clamping force, preventing surface damage and ensuring a tight seal.

3901937 - Hexagon Flange Head Cap Screw

The 3901937 hexagon flange head cap screw is a primary fastener in the kit. It provides a robust connection between components, ensuring the fuel shutoff valve assembly remains intact. The flange head design offers additional surface area for torque application, enhancing the screw’s effectiveness.

3919449 - Cotter Pin

The 3919449 cotter pin secures moving parts within the fuel shutoff valve assembly. It prevents components from dislodging or rotating, which is critical for the valve’s operational integrity. The cotter pin is typically used with the throttle control bracket to ensure proper alignment and function.

3935649 - Fuel Pump Solenoid

The 3935649 fuel pump solenoid is a key electrical component in the kit. It controls fuel flow to the engine by opening and closing the fuel shutoff valve in response to electrical signals. This solenoid ensures precise fuel management, vital for engine performance and efficiency.

3935752 - Throttle Control Bracket

The 3935752 throttle control bracket secures the throttle control mechanism to the fuel shutoff valve assembly. It provides a stable platform for the throttle control to operate effectively, ensuring accurate regulation of the engine’s fuel supply.

3936683, 3936684, 3936685 - Hexagon Flange Head Cap Screws

These hexagon flange head cap screws are additional fasteners used throughout the kit. They are crucial for assembling and securing various parts of the fuel shutoff valve, ensuring all components are held firmly in place. Their flanged design allows for easy torque application and enhanced security.

3965494 - Solenoid Bracket

The 3965494 solenoid bracket mounts the fuel pump solenoid securely within the fuel shutoff valve assembly. It provides a stable base for the solenoid, ensuring it remains in the correct position and operates efficiently. This bracket is essential for maintaining the structural integrity of the valve system.

Conclusion

The Cummins 4089576 Fuel Shutoff Valve Kit is a vital component for ensuring the safe and efficient operation of heavy-duty trucks. Its design and features contribute to reliable fuel management, enhanced safety, and ease of maintenance. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this Cummins part.