2872035
Accumulator
Cummins®

The Cummins 2872035 Accumulator is a component designed to enhance the hydraulic system’s performance in commercial trucks. Its role is significant as it contributes to the efficient operation of the vehicle by managing hydraulic pressure and energy storage.

Basic Concepts of an Accumulator

An accumulator is a device used in hydraulic systems to store energy in the form of pressurized fluid. It functions by absorbing excess hydraulic pressure and releasing it when needed, thereby maintaining system stability. In heavy-duty trucks, accumulators are employed to improve braking systems, suspension, and other hydraulic operations by providing a reserve of hydraulic energy ¹.

Purpose of the 2872035 Accumulator

The 2872035 Accumulator is specifically designed to maintain system pressure and store hydraulic energy within the truck’s hydraulic system. It plays a role in ensuring consistent performance by compensating for fluctuations in hydraulic pressure, which can occur due to varying load conditions or system demands.

Key Features

The 2872035 Accumulator is characterized by its robust design and the use of high-quality materials, which contribute to its durability and performance. Its construction includes a nitrogen-charged bladder that separates the hydraulic fluid from the gas, allowing for efficient energy storage and release. Additionally, the accumulator is equipped with safety features such as pressure relief valves to prevent over-pressurization.

Benefits of Using the 2872035 Accumulator

Incorporating the 2872035 Accumulator into a truck’s hydraulic system offers several advantages. It contributes to improved system efficiency by reducing the workload on the pump, leading to lower energy consumption. The accumulator also enhances performance by providing a stable source of hydraulic energy, which can be crucial during peak demand periods. Furthermore, its reliable operation under various conditions ensures consistent vehicle performance ².

Installation Considerations

Proper installation of the 2872035 Accumulator is vital for optimal performance and longevity. It should be mounted in a location that allows for easy access for maintenance and is secure against vibrations. Ensuring that all connections are tight and that the system is free of contaminants before installation will help maintain the accumulator’s efficiency.

Maintenance and Troubleshooting

Routine maintenance of the 2872035 Accumulator involves checking for leaks, inspecting the pressure relief valve, and ensuring that the nitrogen charge is within the specified range. Common issues may include leaks, over-pressurization, or failure of the bladder. Troubleshooting steps include verifying connections, checking for system contamination, and, if necessary, recharging the nitrogen or replacing the bladder.

Safety Precautions

When working with the 2872035 Accumulator, it is important to observe safety measures to prevent accidents or injuries. This includes wearing appropriate personal protective equipment, ensuring the system is depressurized before servicing, and following manufacturer guidelines for handling and installation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a strong reputation in the automotive and heavy-duty truck industry, Cummins is known for its commitment to quality and performance, providing solutions that meet the demanding requirements of commercial transportation.

Cummins Engine Compatibility with Part 2872035 Accumulator

The Cummins part 2872035 Accumulator is a critical component designed to work seamlessly with several of Cummins’ engine models. This part is engineered to ensure optimal performance and reliability across various engine configurations.

ISX12/ISX11.9 CM2250 Engines

The ISX12 and ISX11.9 CM2250 engines are part of Cummins’ heavy-duty lineup, known for their robust performance and efficiency. The 2872035 Accumulator is specifically designed to fit these engines, ensuring that the hydraulic systems operate smoothly and efficiently.

ISZ13 CM2150 Z105 Engines

The ISZ13 CM2150 Z105 engine is another model in Cummins’ portfolio that benefits from the 2872035 Accumulator. This part is integral to the engine’s hydraulic system, providing the necessary pressure and flow to maintain optimal engine performance.

QSX11.9 CM2250 ECF Engines

The QSX11.9 CM2250 ECF engine is designed for on-highway applications, and the 2872035 Accumulator is a key component in its hydraulic system. This part ensures that the engine’s hydraulic systems function correctly, contributing to the overall reliability and performance of the engine.

QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 Engines

Both the QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102 engines are part of Cummins’ medium-duty lineup. The 2872035 Accumulator is designed to fit these engines, ensuring that their hydraulic systems operate efficiently. This part is crucial for maintaining the performance and reliability of these engines in various applications.

By integrating the 2872035 Accumulator into these engines, Cummins ensures that the hydraulic systems function optimally, contributing to the overall performance and longevity of the engines.

Role of Part 2872035 Accumulator in Engine Systems

The Accumulator (part 2872035) is a pivotal component in the efficient operation of the Injector Plumbing and the XPI JV System in Cummins HD engines. Its primary function is to store and regulate fuel pressure, ensuring a consistent supply to the injectors.

In the Injector Plumbing, the Accumulator works in tandem with the fuel rails and injectors to maintain optimal pressure levels. This ensures that each injector receives the precise amount of fuel required for combustion, enhancing engine performance and fuel efficiency.

Within the XPI JV System, the Accumulator plays a significant role in the high-pressure fuel delivery system. It helps in smoothing out pressure fluctuations that occur during the injection process, which is essential for the precise fuel metering that the XPI JV System is designed to achieve. This results in improved engine responsiveness and reduced emissions.

The Accumulator also aids in the overall stability of the fuel system by absorbing pressure spikes, which can occur due to the high-speed operation of the fuel pump. This protective function extends the lifespan of the injectors and other sensitive components within the fuel system.

Conclusion

The Cummins 2872035 Accumulator is a vital component in the hydraulic systems of commercial trucks, contributing to efficient operation, enhanced performance, and reliable system stability. Its integration into various Cummins engine models ensures optimal hydraulic system functionality, leading to improved engine performance and longevity. Proper installation, maintenance, and adherence to safety precautions are essential for maximizing the benefits of this Cummins part.