If the liquid oil acid test kit cannot be used, indicators may be used to connect to the:
A) Suction line. B) Gas exhaust.
C) Oil drain plug. D) Liquid refrigerant line.
Question 2
How can you tell when a filter drier is stopped up?
A) You will see the accumulated debris in the filter's sight glass.
B) The plugged filter flag will pop out of the leaving flare port.
C) You will hear a whistling sound in the filter.
D) It will have a pressure drop of more than 2 psi across the filter.