Copper plating of compressor components is typically caused by:

Copper plating of compressor components is typically caused by:

• A. Contaminants
• B. Normal wear
• C. Proper lubrication
• D. Use of methanol

Answer: (A)

Copper plating on compressor components happens when contaminants in the lubrication or refrigerant system bring copper into contact with hot surfaces and cause copper to deposit as a film. This often comes from copper-containing debris or copper salts in the oil that dissolve and redeposit during operation. It isn’t caused by normal wear, which would produce loose debris rather than a uniform film, and it isn’t a result of proper lubrication. The use of methanol isn’t related to this kind of plating in typical compressor systems. If you see copper plating, check oil cleanliness and contamination levels, inspect copper-containing parts for wear sources, and consider flushing or replacing contaminated lubricant.

Copper plating on compressor components happens when contaminants in the lubrication or refrigerant system bring copper into contact with hot surfaces and cause copper to deposit as a film. This often comes from copper-containing debris or copper salts in the oil that dissolve and redeposit during operation. It isn’t caused by normal wear, which would produce loose debris rather than a uniform film, and it isn’t a result of proper lubrication. The use of methanol isn’t related to this kind of plating in typical compressor systems. If you see copper plating, check oil cleanliness and contamination levels, inspect copper-containing parts for wear sources, and consider flushing or replacing contaminated lubricant.