4090170
Shutoff Valve
Cummins®

The Cummins 4090170 Shutoff Valve is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s systems, contributing to the overall efficiency and safety of truck operations. Understanding its purpose and significance is key to maintaining and optimizing truck performance.

Basic Concepts of Shutoff Valves

Shutoff valves are mechanical devices used to regulate, start, or stop the flow of fluids or gases within a system. They operate by opening or closing passages through which the fluid or gas travels. In commercial trucks, shutoff valves are integral to various systems, including fuel, hydraulic, and pneumatic systems, ensuring that these systems function correctly under different operating conditions ¹.

Purpose of the Cummins 4090170 Shutoff Valve

This Cummins part plays a role in the truck’s fuel system by controlling the flow of fuel to the engine. This control is vital for starting and stopping the engine, as well as for regulating fuel flow during operation. By ensuring precise fuel delivery, the valve contributes to the engine’s performance and efficiency.

Key Features

The Cummins 4090170 is characterized by its robust design and the use of high-quality materials, which enhance its durability and reliability. Its design includes features that facilitate easy installation and maintenance, while the materials used ensure resistance to wear and corrosion, contributing to the valve’s longevity.

Benefits

The use of the Cummins 4090170 offers several benefits, including improved system efficiency through precise fuel control, enhanced safety by preventing fuel leaks, and reliable operation under various conditions. These benefits contribute to the overall performance and longevity of the truck.

Installation Considerations

Proper installation of this part is crucial for its effective operation. It is important to follow manufacturer guidelines, ensuring that the valve is correctly positioned and securely fastened. Attention to the orientation and alignment of the valve within the system is also necessary to prevent issues such as leaks or improper function.

Troubleshooting

Common issues with shutoff valves may include leaks, failure to open or close properly, or corrosion. Diagnosing these problems involves checking for visible signs of damage or wear, testing the valve’s operation, and inspecting the system for pressure or flow irregularities. Solutions may range from cleaning or lubricating the valve to replacement in cases of significant damage.

Maintenance

Regular maintenance of the Cummins 4090170 is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning to remove any buildup that could affect operation, and lubrication of moving parts to ensure smooth function. Adhering to recommended maintenance schedules helps prevent unexpected failures and extends the valve’s service life.

Safety Precautions

When working with this Cummins part, it is important to observe safety precautions to protect both the individual and the equipment. This includes wearing appropriate personal protective equipment, ensuring the system is depressurized before beginning work, and following proper procedures for handling, installation, and maintenance to avoid injury or damage.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the commercial truck industry, providing solutions that enhance the performance, efficiency, and reliability of trucks worldwide.

Cummins Shutoff Valve 4090170 Compatibility

The Cummins Shutoff Valve part number 4090170 is designed to integrate seamlessly with a variety of Cummins engines, ensuring reliable operation and control over the engine’s fuel supply. This part is crucial for maintaining engine performance and safety by providing a means to quickly shut off the fuel supply in case of an emergency or when the engine needs to be stopped.

G855 Engines

The G855 engines benefit from the precise control offered by the Shutoff Valve 4090170. This valve ensures that the engine can be stopped efficiently, which is essential for maintaining operational safety and preventing potential damage during shutdown procedures.

N14 G Engines

Similarly, the N14 G engines are equipped with the Shutoff Valve 4090170 to ensure that the fuel supply can be halted promptly. This is particularly important in heavy-duty applications where quick response times are critical for safety and efficiency. The valve’s design allows for easy installation and reliable performance, making it a vital component for these engines.

By integrating the Shutoff Valve 4090170 into these engines, Cummins ensures that operators have a dependable method to manage the engine’s fuel supply, enhancing overall engine control and safety.

Role of Part 4090170 Shutoff Valve in Engine Systems

The part 4090170 Shutoff Valve is an essential component in various engine systems, ensuring efficient operation and safety. Here’s how it integrates with specific components:

Air Intake System

In the air intake system, the Shutoff Valve 4090170 is employed to regulate the flow of air into the engine. By controlling the air supply, it helps maintain optimal air-fuel ratios, which is vital for combustion efficiency and overall engine performance. This valve can be activated during specific operating conditions to prevent air intake when necessary, thus protecting the engine from potential damage due to incorrect air-fuel mixtures.

Coolant System

Within the coolant system, the Shutoff Valve 4090170 plays a significant role in managing the flow of coolant to and from the engine. It ensures that the coolant circulates only when required, preventing unnecessary heat transfer and conserving energy. This controlled circulation helps maintain the engine’s operating temperature within safe limits, enhancing durability and efficiency.

Heater System

In the heater system, the Shutoff Valve 4090170 is used to control the flow of hot coolant to the heater core. By regulating this flow, it ensures that the cabin heating system operates efficiently, providing comfort to occupants without wasting engine heat. This valve can be engaged or disengaged based on the temperature needs inside the vehicle, optimizing both comfort and engine performance.

Starting System

During the engine starting process, the Shutoff Valve 4090170 can be utilized to manage fuel or air flow, ensuring that the engine starts smoothly and reliably. By precisely controlling these flows, it helps reduce wear on the starter motor and other components, contributing to a longer engine lifespan. Additionally, it aids in achieving quicker starts by ensuring that the engine receives the correct mixture of air and fuel from the onset.

Conclusion

The Cummins 4090170 Shutoff Valve is a critical component in the operation and safety of commercial truck engines. Its role in controlling fuel flow, air intake, coolant circulation, and heater system operation underscores its importance in maintaining engine efficiency and reliability. Proper installation, maintenance, and adherence to safety precautions are essential for maximizing the benefits of this valve, ensuring the longevity and optimal performance of the truck.