What is the most effective method for removing solid contaminants from a severe hermetic compressor motor?

The most effective method for removing solid contaminants from a severe hermetic compressor motor is flushing the system and installing liquid and suction-filter driers. This approach is comprehensive because it not only addresses the immediate contamination within the compressor but also takes preventative measures to protect the system from future debris.

Flushing the system can help dislodge and remove contaminants that have built up, ensuring that the internal components of the compressor are clean and functioning properly. Additionally, the installation of liquid and suction-filter driers helps capture any remaining particles and moisture, preventing them from circulating back into the compressor system. This is crucial in maintaining the longevity and efficiency of the compressor.

Other methods like vacuuming the compressor or using a chemical solvent are less effective by themselves. Vacuuming might remove some debris but may not reach all areas or handle severe contamination adequately. Using a chemical solvent could potentially damage the components if not used properly or might not ensure the thorough removal of all solid contaminants. Replacing the compressor is a more drastic measure that may be necessary if the contamination has caused irreversible damage, but it's typically not the first line of defense when addressing solid contaminants. By choosing to flush the system and install filters, you optimize the cleaning process while safeguarding the compressor’s longevity.