4991081
Refrigerant Compressor Support
Cummins®

Introduction

The Refrigerant Compressor Support, part number 4991081, is a component designed to enhance the performance and reliability of the refrigeration system in commercial trucks. Its purpose is to provide stable support for the refrigerant compressor, ensuring efficient operation of the cooling system. This support plays a role in maintaining the structural integrity and alignment of the compressor, which is vital for the overall functionality of the refrigeration unit.

Basic Concepts of Refrigerant Compressor Support

Refrigerant compressor supports are integral to the refrigeration cycle, serving to secure the compressor in place and absorb vibrations that occur during operation. These supports help maintain stable compressor operation by reducing mechanical stress and preventing misalignment, which can lead to inefficiencies and potential damage to the refrigeration system. Understanding these fundamental principles is key to appreciating the role of the Refrigerant Compressor Support in ensuring the smooth and reliable operation of truck refrigeration systems ¹.

Purpose of the Refrigerant Compressor Support

The Refrigerant Compressor Support is specifically designed to play a role in the operation of a truck’s refrigeration system by providing a stable platform for the compressor. This stability contributes to efficient cooling by ensuring that the compressor operates within optimal parameters, reducing the risk of mechanical failure and enhancing the reliability of the refrigeration system. The support helps in maintaining the alignment and reducing vibrations, which are critical for the efficient transfer of refrigerant and the overall performance of the cooling system.

Key Features

The Refrigerant Compressor Support boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear and corrosion, ensuring longevity in demanding environments. The design incorporates elements that provide optimal support and vibration damping, contributing to the stable operation of the compressor. Additionally, the support is engineered to be compatible with specific refrigeration systems, ensuring a precise fit and effective functionality.

Benefits

The benefits of the Refrigerant Compressor Support include improved system efficiency, reduced maintenance requirements, and enhanced longevity of the refrigeration system components. By providing stable support and reducing vibrations, the support contributes to the efficient operation of the compressor, leading to better cooling performance. Additionally, the durable construction and precise design help minimize the need for frequent maintenance, offering cost savings and reduced downtime for commercial truck operators.

Installation Process

Proper installation of the Refrigerant Compressor Support involves several steps to ensure optimal performance. Begin by ensuring the refrigeration system is clean and free of debris. Use the appropriate tools to securely mount the support in place, following the manufacturer’s guidelines for alignment and fastening. It is important to verify that the support is properly aligned with the compressor to ensure effective vibration damping and stable operation. After installation, conduct a system check to confirm that the compressor operates smoothly and that the support is functioning as intended.

Troubleshooting Common Issues

Common problems associated with refrigerant compressor supports may include misalignment, excessive vibration, or wear and tear. To troubleshoot these issues, first, inspect the support for any signs of damage or wear. Check the alignment of the support with the compressor and ensure that all fastenings are secure. If excessive vibration is detected, it may be necessary to reassess the installation or consider additional vibration damping measures. Regular inspections and maintenance can help identify and resolve these issues before they lead to more significant problems.

Maintenance Tips

To keep the Refrigerant Compressor Support in optimal condition, routine maintenance practices are recommended. Inspect the support regularly for signs of wear, corrosion, or damage. Clean the support and surrounding areas to prevent the accumulation of debris that could affect performance. Follow the manufacturer’s guidelines for inspection intervals and consider replacing the support if significant wear or damage is detected. Proper maintenance ensures the continued efficient operation of the refrigeration system and extends the lifespan of the compressor support.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor locations and approximately 7,200 dealer locations. Cummins is dedicated to powering a more prosperous world by providing reliable and efficient power solutions for various applications, including commercial trucks and refrigeration systems.

Compatibility

The Refrigerant Compressor Support (4991081) is compatible with various Cummins engine models, ensuring that the refrigerant compressor is securely mounted and operates efficiently under various conditions.

ISB Series Engines

• ISB CM2150
• ISB CM850
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISBE CM800

QSB Series Engines

• QSB4.5 CM850 (CM2850)
• QSB6.7 CM2250
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

By ensuring that the Refrigerant Compressor Support (4991081) is correctly installed and maintained, operators can expect reliable performance and extended service life from their Cummins engines.

Role of Part 4991081 in Engine Systems

The Refrigerant Compressor Support is an essential component in the assembly and operation of engine systems that incorporate a refrigerant compressor. This support structure is designed to securely mount the refrigerant compressor to the engine, ensuring stability and proper alignment during operation.

Integration with the Compressor

When integrating the Refrigerant Compressor Support with the compressor, the support structure provides a stable foundation. This stability is vital for the compressor’s efficient operation, as it minimizes vibrations and ensures that the compressor remains aligned with other components within the engine system. The support also facilitates easier access for maintenance and repairs, allowing mechanics to quickly and safely service the compressor without disrupting the entire engine assembly.

Interaction with the Refrigerant System

In the context of the refrigerant system, the Refrigerant Compressor Support plays a significant role in maintaining the integrity of the system. By securely holding the compressor in place, it ensures that the refrigerant lines and connections remain stable. This stability is important for preventing leaks and ensuring that the refrigerant flows smoothly through the system. The support also helps in managing the thermal expansion and contraction that occurs within the refrigerant system, contributing to the overall efficiency and reliability of the engine.

Enhanced System Performance

The proper installation of the Refrigerant Compressor Support enhances the performance of the entire engine system. By providing a solid mounting point for the compressor, it allows the compressor to operate at optimal efficiency. This, in turn, improves the cooling performance of the engine, leading to better overall engine health and longevity. The support structure also aids in reducing noise and vibration, which can otherwise lead to premature wear and tear of both the compressor and other engine components.

Maintenance and Durability

From a maintenance perspective, the Refrigerant Compressor Support simplifies the process of inspecting and servicing the compressor. Its design allows for easy removal and reinstallation, which is particularly beneficial during routine maintenance checks or when replacing the compressor. The durability of the support structure ensures that it can withstand the rigors of engine operation, providing long-term reliability and reducing the need for frequent replacements.

Conclusion

The Refrigerant Compressor Support (4991081) is a key component in the efficient and reliable operation of engine systems that include a refrigerant compressor. Its role in providing stability, facilitating maintenance, and enhancing overall system performance makes it an indispensable part of the engine assembly.