3395984
Throttle Lever
Cummins®

The Cummins 3395984 Throttle Lever is a component designed for use in commercial trucks, playing a role in the operation of these vehicles. This throttle lever is integral to the engine control system, allowing for precise modulation of engine speed and power output. Its design and functionality are tailored to meet the demanding requirements of commercial trucking, ensuring reliable performance and efficient operation.

Basic Concepts of Throttle Levers

A throttle lever is a mechanical or electronic device used to control the amount of fuel entering an engine, thereby regulating its speed and power output. In an engine system, the throttle lever adjusts the position of the throttle plate within the carburetor or fuel injection system. This action controls the airflow into the engine, which in turn affects combustion and power generation. The throttle lever is a fundamental component in managing engine performance, allowing drivers to adjust speed and power as needed for various driving conditions ¹.

Purpose of the Cummins 3395984 Throttle Lever

The Cummins 3395984 Throttle Lever is specifically designed to interface with the engine control system of commercial trucks. Its primary role is to provide the driver with a means to modulate engine performance. By adjusting the throttle lever, the driver can control the engine’s RPM (revolutions per minute) and torque output. This lever works in conjunction with the engine’s electronic control unit (ECU) to ensure that the engine operates within its optimal performance range, enhancing both drivability and efficiency.

Key Features

The Cummins 3395984 Throttle Lever boasts several key features that enhance its functionality and durability. Its design incorporates high-quality materials that are resistant to wear and corrosion, ensuring long-lasting performance in the harsh environments typical of commercial trucking. The lever is engineered for precision, allowing for smooth and accurate adjustments of engine speed. Additionally, it is designed to integrate seamlessly with Cummins engines, ensuring compatibility and optimal performance.

Benefits

The Cummins 3395984 Throttle Lever offers several advantages for commercial truck operators. It provides improved driver control over engine performance, allowing for more precise adjustments to speed and power. This enhanced control can lead to better fuel efficiency, as drivers can optimize engine operation for specific driving conditions. Furthermore, the lever’s design contributes to reduced emissions, as it helps maintain engine efficiency and performance. The durability and reliability of the Cummins 3395984 Throttle Lever also mean less frequent replacements and maintenance, reducing overall operating costs ².

Installation and Integration

Installing the Cummins 3395984 Throttle Lever in a truck requires careful attention to ensure optimal performance. The installation process involves connecting the lever to the engine’s throttle mechanism and ensuring it is properly aligned with the ECU. Calibration may be necessary to fine-tune the lever’s operation, ensuring it responds accurately to driver inputs. Following the manufacturer’s guidelines for installation and calibration is crucial to achieving the best performance from the throttle lever.

Troubleshooting Common Issues

Common issues with throttle levers can include unresponsiveness, sticking, or inaccurate adjustments. These problems may arise from dirt buildup, wear and tear, or misalignment. Troubleshooting steps include cleaning the lever and its components, checking for proper alignment, and ensuring there is no obstruction in the throttle mechanism. If the lever remains unresponsive, it may require recalibration or, in some cases, replacement.

Maintenance Tips

Routine maintenance of the Cummins 3395984 Throttle Lever is essential for ensuring its longevity and reliable operation. Maintenance practices include regular cleaning to remove dirt and debris, lubrication of moving parts to reduce friction and wear, and periodic inspection for signs of wear or damage. Following these maintenance tips can help prevent common issues and ensure the throttle lever continues to operate smoothly.

Safety Considerations

When working with the Cummins 3395984 Throttle Lever, it is important to observe safety protocols to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment (PPE), ensuring the engine is turned off and cool before beginning any work, and following all manufacturer guidelines for installation and maintenance. Adhering to these safety considerations helps protect both the technician and the equipment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance engines. The company’s product range includes a variety of engines and components designed to meet the diverse needs of commercial trucking, ensuring efficient and dependable operation.

Throttle Lever Compatibility with Cummins Engines

The Throttle Lever part number 3395984, manufactured by Cummins, is designed to be compatible with a range of Cummins engines. This part is integral to the operation of these engines, providing the necessary linkage between the throttle control and the engine’s throttle mechanism.

B3.9 G and G5.9 Engines

The Throttle Lever part number 3395984 is specifically engineered to fit the B3.9 G and G5.9 engines. These engines are part of Cummins’ lineup, known for their reliability and performance in various applications. The throttle lever ensures smooth and precise control over the engine’s throttle, allowing for efficient operation and responsiveness.

Integration and Functionality

When installed in the B3.9 G and G5.9 engines, the throttle lever works in conjunction with the engine’s control system. It translates the operator’s input into mechanical movement, adjusting the throttle plate to regulate the airflow into the engine. This, in turn, controls the engine’s speed and power output.

The design of the throttle lever ensures that it can withstand the operational stresses of these engines, maintaining its functionality over time. Its compatibility with the B3.9 G and G5.9 engines is a result of meticulous engineering, ensuring that it fits seamlessly into the engine’s design and operates reliably under various conditions.

Installation Considerations

When installing the throttle lever part number 3395984, it is important to follow the manufacturer’s guidelines to ensure proper fitment and operation. This includes verifying that the lever is correctly aligned with the throttle mechanism and that all associated components are securely fastened. Proper installation is crucial for maintaining the engine’s performance and longevity.

Maintenance and Replacement

Regular maintenance of the throttle lever is essential to ensure its continued effectiveness. This includes inspecting the lever for any signs of wear or damage and ensuring that it moves freely without obstruction. If any issues are detected, the throttle lever should be replaced promptly to avoid potential engine performance problems.

By understanding the compatibility and functionality of the throttle lever part number 3395984 with the B3.9 G and G5.9 engines, operators and maintenance personnel can ensure that these engines operate efficiently and reliably.

Role of Part 3395984 Throttle Lever in Engine Systems

The 3395984 Throttle Lever is an integral component in the orchestration of engine performance, interfacing with several key systems to ensure optimal operation.

Interaction with Linkage

The Throttle Lever is mechanically connected to the linkage system, which transmits the pilot’s or automated system’s throttle input to the engine. This connection allows for precise modulation of the engine’s power output, directly influencing the throttle setting and, consequently, the engine’s RPM (revolutions per minute).

Coordination with Governor Control

In engines equipped with a governor control system, the Throttle Lever plays a role in maintaining consistent engine speed under varying load conditions. The governor control system adjusts the fuel supply to the engine in response to changes in load, and the Throttle Lever facilitates this adjustment by communicating the desired throttle position to the governor.

Integration with Module

In modern engine systems, the Throttle Lever is often integrated with electronic control modules. These modules use the lever’s position as a key input for engine management systems, allowing for sophisticated control over engine parameters such as fuel injection timing, ignition timing, and turbocharging. The module interprets the lever’s position to adjust these parameters in real-time, enhancing engine efficiency and performance.

Collaboration with Fuel Control

The Throttle Lever is also closely associated with the fuel control system. By adjusting the throttle, the lever influences the amount of air entering the engine, which in turn affects the fuel-to-air ratio. The fuel control system uses this information to deliver the appropriate amount of fuel, ensuring efficient combustion and optimal engine performance.

In summary, the 3395984 Throttle Lever is a pivotal component in the engine system, working in concert with the linkage, governor control, module, and fuel control to deliver precise and efficient engine operation.

Conclusion

The Cummins 3395984 Throttle Lever is a critical component in the efficient and reliable operation of commercial truck engines. Its design and functionality are tailored to meet the demanding requirements of commercial trucking, ensuring precise modulation of engine speed and power output. By understanding the key features, benefits, and integration of this part with Cummins engines, operators and maintenance personnel can ensure optimal engine performance and longevity.