4088274
Actuator Disc
Cummins®

Introduction

The Actuator Disc 4088274 is a component manufactured by Cummins, a prominent name in the commercial truck industry. This part is significant in the operation of commercial trucks, contributing to the efficiency and reliability of the vehicle’s engine or transmission system.

Basic Concepts of Actuator Discs

An actuator disc is a mechanical component that facilitates the movement or control of other parts within a system. In the context of a truck’s engine or transmission, it operates by converting hydraulic or electrical energy into mechanical motion. This motion is used to engage or disengage various components, thereby controlling the flow of power and ensuring smooth operation ¹.

Purpose of the Actuator Disc

The Actuator Disc plays a specific role in the operation of a truck by managing the engagement and disengagement of certain components within the engine or transmission. It interacts with other parts to modulate power delivery, contributing to the overall performance and efficiency of the truck. Its precise function ensures that the truck operates smoothly under varying conditions ².

Key Features

The Actuator Disc is characterized by several primary features that enhance its functionality. These include a durable material composition designed to withstand the rigors of commercial truck operation, a precise design that ensures accurate engagement and disengagement, and unique attributes that improve its performance within the truck’s system.

Benefits

The advantages provided by the Actuator Disc include improved efficiency in power transmission, enhanced reliability due to its robust construction, and performance enhancements that contribute to the truck’s overall effectiveness. These benefits make it a valuable component in the maintenance and operation of commercial trucks.

Installation and Integration

Installing the Actuator Disc involves several steps and considerations to ensure proper integration with the truck’s existing systems. Prerequisites may include ensuring compatibility with the truck’s make and model, gathering the necessary tools, and following a systematic approach to installation. This process is designed to facilitate seamless operation once the component is in place.

Troubleshooting Common Issues

Frequent problems associated with the Actuator Disc can include malfunctions in engagement or disengagement, which may be caused by wear, misalignment, or electrical issues. Recommended solutions or adjustments may involve inspection, cleaning, realignment, or replacement of the component to restore proper function.

Maintenance Practices

Routine maintenance of the Actuator Disc is crucial for ensuring optimal performance. This includes regular inspection procedures to check for signs of wear or damage, cleaning to remove any debris that may affect operation, and periodic checks to verify that the component is functioning correctly within the truck’s system.

Performance Monitoring

Monitoring the performance of the Actuator Disc can be achieved through various methods, including the use of diagnostic tools to assess its operation, tracking performance metrics to identify any deviations from expected performance, and observing signs of wear or malfunction that may indicate the need for maintenance or replacement.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to innovation and quality. With a rich history and a diverse product range, Cummins has established a reputation for producing reliable and high-performance components. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a trusted provider in the industry ³.

Compatibility of Actuator Disc Part 4088274 with Cummins Engines

The Actuator Disc part 4088274, manufactured by Cummins, is designed to fit a range of Cummins engines. This part is integral to the operation of these engines, ensuring precise control and functionality. Below is a detailed overview of the engines with which this actuator disc is compatible.

ISX Series Engines

• ISX CM570
• ISX CM870
• ISX CM871

The ISX series engines, including the ISX CM570, ISX CM870, and ISX CM871, are high-performance engines known for their reliability and efficiency. The Actuator Disc part 4088274 is specifically engineered to integrate seamlessly with these models, providing essential actuation and control functions.

M11 Series Engines

• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, both the M11 CELECT PLUS and M11 MECHANICAL, benefit from the precision and reliability of the Actuator Disc part 4088274. This part ensures optimal performance and control, making it a crucial component for these engines.

QSK Series Engines

• QSK19 CM500
• QSK45 CM500
• QSK60 CM500
• QSK60G
• QSK78 CM500

The QSK series engines, including the QSK19 CM500, QSK45 CM500, QSK60 CM500, QSK60G, and QSK78 CM500, are designed for heavy-duty applications. The Actuator Disc part 4088274 is compatible with these engines, providing the necessary actuation and control to ensure smooth and efficient operation.

QST Series Engine

• QST30 CM552

The QST30 CM552 engine is another model that is compatible with the Actuator Disc part 4088274. This part ensures that the engine operates at peak performance, with precise control and actuation.

VTA Series Engine

• VTA903 CM2250 V105

The VTA903 CM2250 V105 engine is designed for high-performance applications and is compatible with the Actuator Disc part 4088274. This part ensures that the engine delivers the required power and efficiency, with precise control and actuation.

Each of these engines relies on the Actuator Disc part 4088274 to function correctly, ensuring that the engine operates smoothly and efficiently. This compatibility highlights the versatility and reliability of Cummins’ design and manufacturing processes.

Understanding the Role of Part 4088274 Actuator Disc in Engine Systems

The Actuator Disc, identified by part number 4088274, is an integral component in the orchestration of various engine systems. Its primary function is to modulate and control the flow of fuel and pressure within the engine, ensuring optimal performance and efficiency.

Integration with Fuel System Components

1. Fuel Manifold and Fuel (Top Level Assembly) Manifold: The Actuator Disc works in conjunction with the fuel manifold and the fuel (top level assembly) manifold to regulate the distribution of fuel to the engine’s combustion chambers. By adjusting the flow, it helps maintain the desired air-fuel ratio, which is essential for efficient combustion.

2. Fuel Plumbing and Fuel Pump: Within the fuel system, the Actuator Disc is positioned to interact with the fuel plumbing and the fuel pump. It modulates the pressure delivered by the fuel pump, ensuring that the fuel is supplied at the correct pressure to the fuel manifold.

3. Fuel Shutoff Valve: The Actuator Disc also plays a role in the operation of the fuel shutoff valve. By controlling the pressure and flow, it assists in the precise opening and closing of the shutoff valve, which is vital for starting and stopping the engine as well as for safety in case of emergencies.

Interaction with Electronic Control Components

1. Electronic Control Pressure Valve and Electronic Fuel Control Valve: These valves are electronically controlled to manage the pressure and flow of fuel within the engine. The Actuator Disc enhances their functionality by providing fine-tuned adjustments that respond to the engine’s real-time requirements.

2. Engine Control Module (ECM) and ECM Plumbing: The Actuator Disc is an essential link between the ECM and the physical components of the fuel system. It translates the electronic signals from the ECM into mechanical actions that adjust the fuel flow and pressure, ensuring that the engine operates within its optimal parameters.

3. Engine Control Module Mounting: Proper mounting of the ECM is crucial for its stability and accurate signal transmission. The Actuator Disc, by ensuring smooth and precise control of fuel parameters, indirectly supports the effective operation of the ECM.

Role in Specialized Systems

1. Hotstart Start Knock Kit: In systems equipped with a hotstart start knock kit, the Actuator Disc helps prevent engine knocking by adjusting the fuel delivery in response to engine conditions, such as temperature and load.

2. Fuel Control Module: The Actuator Disc interfaces with the fuel control module to provide dynamic adjustments to the fuel system, enhancing the module’s ability to maintain fuel efficiency and reduce emissions.

3. Fuel System Accessories: Various accessories within the fuel system, such as filters and sensors, benefit from the precise control offered by the Actuator Disc. It ensures that these components operate within their designed parameters, contributing to the overall reliability and performance of the fuel system.

Conclusion

In summary, the Actuator Disc (part 4088274) is a key component that enhances the functionality and efficiency of various engine systems by providing precise control over fuel flow and pressure. Its integration with both mechanical and electronic components underscores its importance in modern engine design.