3282722
Throttle Lever Pivot Pin
Cummins®

The Throttle Lever Pivot Pin (Part #3282722) manufactured by Cummins is a critical component in the operation of heavy-duty trucks. It facilitates the connection between the throttle lever and the engine’s throttle plate, allowing for precise control of engine speed and power output, which is essential for the efficient and effective operation of heavy-duty trucks ¹.

Function and Operation

The Throttle Lever Pivot Pin operates within the throttle control mechanism by providing a pivot point that allows the throttle lever to move the throttle plate. This movement controls the amount of air entering the engine, which in turn regulates engine speed and power. The pin’s design ensures smooth and accurate movement of the throttle lever, contributing to consistent engine performance and responsive driver control ².

Key Features

This Cummins part is engineered with specific design and material characteristics to ensure reliable performance in demanding truck applications. It features corrosion resistance to withstand harsh operating environments, durability to endure the rigors of heavy-duty use, and precision engineering for accurate throttle control. These attributes contribute to the component’s longevity and consistent performance ³.

Benefits

The Throttle Lever Pivot Pin offers several advantages in terms of engine performance, fuel efficiency, and driver control. Its robust construction ensures reliable operation under various conditions, while its precise functionality allows for fine-tuned engine speed and power adjustments. This contributes to overall truck operation efficiency and driver satisfaction ⁴.

Installation and Maintenance

Proper installation of the Throttle Lever Pivot Pin involves adhering to torque specifications and alignment procedures to ensure it functions correctly. Routine maintenance checks are recommended to verify the pin’s condition and performance. These checks help identify any wear or issues early, allowing for timely corrections and ensuring optimal component longevity ⁵.

Troubleshooting Common Issues

Common problems associated with the Throttle Lever Pivot Pin include wear, binding, or misalignment. These issues can affect throttle response and engine performance. Troubleshooting procedures involve inspecting the pin for signs of wear, ensuring proper alignment, and addressing any binding issues to restore smooth operation ⁶.

Safety Considerations

When working with the Throttle Lever Pivot Pin, it is important to follow safety precautions and best practices. This includes proper handling during installation and maintenance, adhering to torque specifications, and ensuring correct alignment. These measures help maintain safe and reliable truck operation ⁷.

Cummins Corporation

Cummins Inc. is a global leader in the manufacturing of diesel engines and powertrain solutions. With a history of innovation and a commitment to quality, Cummins serves a wide range of industries with its advanced engine technology. The company’s product portfolio includes a variety of components designed to enhance engine performance and reliability ⁸.

Compatibility

The Throttle Lever Pivot Pin, identified by the part number 3282722, is compatible with various Cummins engine models, including the 6B5.9 series and other engines that share similar throttle linkage designs. This ensures that the throttle lever pivots accurately, which is vital for the engine’s performance and longevity ⁹.

Role in Engine Systems

The Throttle Lever Pivot Pin is an integral component in the operation of engine systems, specifically within the throttle control mechanism. This pin facilitates the smooth and precise movement of the throttle lever, which is essential for modulating the engine’s power output ¹⁰.

Integration with Throttle Lever

The Throttle Lever Pivot Pin is designed to securely attach the throttle lever to the throttle body or carburetor. This connection allows the lever to pivot smoothly, translating the driver’s input into a corresponding change in engine speed. The pin’s role is to provide a stable yet flexible pivot point, ensuring that the throttle lever can move without binding or excessive play ¹¹.

Function in Throttle Control

In conjunction with the throttle lever, the pivot pin enables accurate control over the airflow entering the engine. As the lever is moved, the pin allows for the precise opening and closing of the throttle plate. This action directly influences the amount of air (and consequently fuel) that enters the combustion chamber, thereby adjusting the engine’s RPM and power delivery ¹².

Importance in Engine Performance

The reliable operation of the Throttle Lever Pivot Pin is fundamental to maintaining consistent engine performance. Any malfunction or wear in this pin can lead to issues such as throttle sticking, uneven idle, or difficulty in modulating engine speed. Therefore, ensuring the pin is in good condition is vital for the overall efficiency and responsiveness of the engine ¹³.

Maintenance and Inspection

Regular inspection and maintenance of the Throttle Lever Pivot Pin are recommended to prevent potential issues. Signs of wear or corrosion should be addressed promptly to avoid more significant problems down the line. Proper lubrication and, if necessary, replacement of the pin can help maintain optimal throttle lever function and ensure smooth engine operation ¹⁴.

Conclusion

The Throttle Lever Pivot Pin (Part #3282722) is a vital component in the throttle control system of heavy-duty trucks. Its precise function and robust design contribute to efficient engine performance, fuel efficiency, and driver control. Regular maintenance and proper installation are essential to ensure the longevity and reliability of this critical component.