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mkwilliams mkwilliams
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6 years ago
Just before charging the system with clean refrigerant, you should:
 
  A) Flush the system. B) Evacuate the system.
  C) Install filter driers. D) Recover the refrigerant.

 Q. 2

If the liquid oil acid test kit cannot be used, indicators may be used to connect to the:
 
  A) Suction line. B) Liquid refrigerant line.
  C) Oil drain plug. D) Gas exhaust.
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allyf328allyf328
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6 years ago
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mkwilliams Author
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#2
6 years ago
Thank you, thank you, thank you!
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