3930512
Throttle Lever
Cummins®

The Cummins 3930512 Throttle Lever is a component designed for use in commercial trucks, playing a significant role in the operation of these vehicles. Its purpose is to facilitate the control of engine speed and power output, which is vital for the efficient and safe operation of the truck. Understanding the function and importance of the throttle lever can enhance the overall performance and reliability of the vehicle ¹.

Basic Concepts of a Throttle Lever

A throttle lever is a mechanical or electronic device used to regulate the amount of fuel entering an engine, thereby controlling its speed and power output. In an engine system, the throttle lever works by adjusting the position of the throttle plate within the carburetor or fuel injection system. This adjustment changes the airflow into the engine, which in turn affects the fuel mixture and combustion process. The throttle lever allows the driver to modulate engine performance according to the driving conditions and requirements ².

Purpose of the 3930512 Throttle Lever

This Cummins part is specifically designed to interface with the engine control system of a truck. It plays a role in modulating engine performance by allowing the driver to adjust the throttle setting. This adjustment influences the engine’s RPM (revolutions per minute) and the amount of power delivered to the drivetrain. The throttle lever is integral to maintaining optimal engine operation, ensuring that the truck can respond effectively to varying load conditions and driving scenarios ³.

Key Features

This part is constructed with durability and functionality in mind. It is made from high-quality materials that can withstand the rigors of commercial truck operation. The design includes an ergonomic shape that enhances driver comfort and control. Additionally, the lever may feature unique attributes such as a precise adjustment mechanism and a robust mounting system to ensure reliable performance over time.

Benefits

The use of the 3930512 offers several advantages. It provides the driver with improved control over the engine, allowing for more precise modulation of speed and power. This can lead to enhanced engine performance and increased operational efficiency. The lever’s design also contributes to a smoother driving experience, reducing the likelihood of abrupt changes in engine output that could affect vehicle stability.

Installation and Integration

Proper installation of the 3930512 is crucial for its effective operation. It should be integrated into the truck’s engine system according to the manufacturer’s guidelines. This may involve making necessary adjustments or calibrations to ensure that the throttle lever operates within the specified parameters. Careful attention to these details during installation can prevent issues and ensure that the lever functions as intended.

Troubleshooting and Maintenance

Common issues with the 3930512 may include wear and tear, misalignment, or mechanical failure. Troubleshooting these problems often involves checking the lever for proper operation, ensuring that it moves freely and returns to the idle position correctly. Regular maintenance practices, such as lubrication and inspection for damage, can help prevent these issues and ensure the lever’s longevity.

Safety Considerations

When handling, installing, or maintaining the 3930512, it is important to observe safety guidelines. This includes ensuring that the engine is turned off and cooled down before beginning any work. Additionally, proper personal protective equipment should be worn to prevent injury. Following these precautions can help ensure safe operation and prevent accidents.

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s product range includes a variety of components and systems designed to enhance the performance and reliability of commercial vehicles.

Throttle Lever Compatibility with Cummins Engines

The Cummins Throttle Lever part number 3930512 is designed to fit seamlessly with several engine models, ensuring optimal performance and ease of use. This part is engineered to work with the following engines:

• B5.9 G
• B5.9 GAS PLUS CM556
• G5.9

These engines, while differing in some specifications, share common design elements that allow the throttle lever to integrate effectively. The compatibility of the throttle lever with these engines is a testament to Cummins’ commitment to providing high-quality, reliable parts that enhance the functionality of their engines.

Role of Part 3930512 Throttle Lever in Engine Systems

The 3930512 is a key component in the orchestration of engine performance, working in concert with several other components to ensure optimal operation.

When the 3930512 is actuated, it directly influences the Air Fuel Throttle Valve. This valve modulates the airflow entering the engine, which is essential for maintaining the correct air-fuel mixture. The precise control of this mixture is fundamental for efficient combustion and overall engine performance.

The Throttle Lever is also part of the Control Linkage Lever system. This system translates the movement of the Throttle Lever into mechanical action that adjusts the position of the Air Fuel Throttle Valve. The integrity and calibration of this linkage are important for responsive and accurate throttle control.

Furthermore, the Throttle Lever interacts with the Fuel Control Module. This module uses signals from the Throttle Lever to adjust fuel delivery in response to the driver’s input. The Throttle Lever’s position provides the Fuel Control Module with the necessary data to make real-time adjustments to fuel flow, ensuring that the engine operates within its optimal parameters.

Lastly, the Throttle Lever is often included in an Assembly Kit that contains all necessary components for throttle system maintenance or upgrade. This kit may include the Throttle Lever, linkage components, and sometimes even the Air Fuel Throttle Valve, providing a comprehensive solution for throttle system servicing.

Conclusion

In summary, the 3930512 is integral to the dynamic interplay between airflow, fuel delivery, and mechanical linkage within engine systems, contributing to the seamless operation and performance of the engine.