3068014
Variable Timing Supply Tube
Cummins®

Introduction

The Cummins 3068014 Variable Timing Supply Tube is a component designed for use in heavy-duty diesel engines. It plays a role in the variable timing system, which is integral to the efficient operation of these engines. This tube is significant in enhancing engine performance, improving fuel efficiency, and reducing emissions ¹.

Basic Concepts of Variable Timing Supply Tube

Variable timing systems in diesel engines adjust the timing of fuel injection to optimize combustion under varying conditions. The Cummins 3068014 Variable Timing Supply Tube is a part of this system, facilitating the precise delivery of hydraulic fluid to the variable timing actuator. This allows for dynamic adjustments to the injection timing, which is crucial for maintaining optimal engine performance across different operating conditions ².

Function and Operation

The Cummins 3068014 Variable Timing Supply Tube operates by channeling hydraulic fluid from the engine’s lubrication system to the variable timing actuator. This tube interacts with the engine’s high-pressure oil system, ensuring that the actuator receives the necessary fluid pressure to adjust the timing of the fuel injection. Its role is vital in the seamless operation of the variable timing system, contributing to the overall efficiency and performance of the engine ³.

Purpose of the 3068014 Variable Timing Supply Tube

The specific role of the Cummins 3068014 Variable Timing Supply Tube in a truck’s operation is to support the variable timing system. By enabling precise control over fuel injection timing, it contributes to improved fuel efficiency, reduced emissions, and enhanced engine performance. This component is part of a broader system aimed at optimizing the engine’s operation under a wide range of conditions ⁴.

Key Features

The Cummins 3068014 Variable Timing Supply Tube is characterized by its robust design and the use of high-quality materials. These features ensure durability and reliability in demanding operating environments. Its design is tailored to fit seamlessly within the engine’s variable timing system, enhancing the system’s functionality.

Benefits

The use of the Cummins 3068014 Variable Timing Supply Tube offers several benefits. It contributes to improved engine performance by ensuring that the variable timing system operates efficiently. This results in better fuel economy and reduced emissions, aligning with the goals of modern diesel engine technology.

Installation Process

Installing the Cummins 3068014 Variable Timing Supply Tube requires careful attention to ensure proper fitment and function. The process involves securing the tube in place within the engine’s variable timing system, ensuring all connections are tight and secure. Tools required may include wrenches and possibly a torque wrench to ensure proper tightening of fittings.

Common Issues and Troubleshooting

Common issues with the Cummins 3068014 Variable Timing Supply Tube may include leaks or blockages, which can affect the performance of the variable timing system. Troubleshooting steps may involve checking for proper fitment, ensuring all connections are secure, and inspecting the tube for any signs of damage or wear.

Maintenance Tips

Regular maintenance of the Cummins 3068014 Variable Timing Supply Tube is important to ensure its continued performance and longevity. This includes checking for leaks, ensuring all connections are secure, and inspecting the tube for any signs of wear or damage. Following the manufacturer’s maintenance schedule can help prevent issues and ensure optimal engine performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history of innovation and a commitment to quality, Cummins has established itself as a leader in the diesel engine industry. The company’s product range includes engines, filtration, emissions solutions, and related components, all designed to meet the demanding requirements of heavy-duty applications.

Cummins Variable Timing Supply Tube (Part 3068014) in Engine Applications

The Cummins Variable Timing Supply Tube, identified by the part number 3068014, is a critical component in the engine’s timing system. This part is integral to the operation of the Variable Timing Actuator (VTA), which adjusts the timing of the engine’s camshafts to optimize performance and efficiency.

N14 MECHANICAL Engines

In the N14 MECHANICAL engines, the Variable Timing Supply Tube ensures that the hydraulic fluid required for the VTA is delivered efficiently. This tube connects the oil supply lines to the VTA, allowing for precise control over the camshaft timing. The hydraulic fluid pressure is regulated through this tube, enabling the VTA to adjust the camshaft position in response to engine speed and load conditions.

The N14 MECHANICAL engines, known for their robust design and reliability, benefit significantly from the precise operation of the Variable Timing Supply Tube. This ensures that the engine can achieve optimal performance across a wide range of operating conditions, enhancing both fuel efficiency and power output.

Role of Part 3068014 Variable Timing Supply Tube in Engine Systems

The Variable Timing Supply Tube, identified by part number 3068014, is an integral component within modern engine systems, specifically designed to enhance the performance and efficiency of variable valve timing mechanisms. This tube facilitates the precise delivery of engine oil to the Oil Control Valve (OCV), which is responsible for adjusting the timing of the camshaft in response to engine operating conditions.

Integration with Key Components

1. Oil Control Valve (OCV): The Variable Timing Supply Tube is directly connected to the OCV. It ensures a consistent and regulated flow of oil, allowing the OCV to modulate camshaft timing accurately. This connection is vital for maintaining optimal engine performance across various operating conditions.

2. Oil Control Valve Mounting Plumbing: This component is part of the plumbing system that supports the OCV. The Variable Timing Supply Tube interfaces with this plumbing, providing a secure and leak-free pathway for oil. This integration ensures that the OCV receives the necessary oil pressure to function correctly.

3. Oil Manifold: The oil manifold distributes engine oil to various components, including the OCV. The Variable Timing Supply Tube connects to the oil manifold, ensuring that the OCV receives a dedicated supply of oil. This connection is essential for the precise control of valve timing.

4. Injector: While the injector itself does not directly interact with the Variable Timing Supply Tube, the overall engine performance is influenced by the efficient operation of variable valve timing. Proper camshaft timing, facilitated by the Variable Timing Supply Tube, enhances combustion efficiency, which in turn affects injector performance.

5. Viscosity Sensor: The viscosity sensor monitors the thickness of the engine oil. The Variable Timing Supply Tube ensures that the oil reaching the OCV maintains the correct viscosity, allowing the sensor to provide accurate readings. This feedback loop helps in maintaining optimal oil flow and pressure.

Performance Enhancement

The Variable Timing Supply Tube plays a significant role in enhancing engine performance by ensuring that the OCV operates within specified parameters. This results in improved fuel efficiency, reduced emissions, and overall better engine responsiveness. The tube’s design and placement within the engine system are engineered to withstand high pressures and temperatures, ensuring reliable operation under all driving conditions.

Conclusion

In summary, the Cummins 3068014 Variable Timing Supply Tube is a key component in the intricate network of engine systems, working seamlessly with the OCV, oil manifold, and other related components to deliver superior engine performance and efficiency.