Engine: Retired questions · General Subjects

1. A The vacuum pump is designed to remove refrigerant vapor from the carbon filter tank and transfer these vapors to the evaporator to minimize the loss of refrigerant to the atmosphere.
2. B The vacuum pump is designed to remove air and non-condensable gases from the evaporator and transfer these gases to the carbon filter tank for eventual venting to the atmosphere.
3. C The vacuum pump is designed to remove refrigerant vapor from the carbon filter tank and transfer these vapors to the purge chamber to blow the float valve clear.
4. D The vacuum pump is designed to perform a dehydration evacuation on the system prior to charging with refrigerant.

Tip: press A-D to answer