PROCEDURE
RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
for HFC-134a (R134a):
for HFO-1234yf (R1234yf):
REMOVE NO. 2 COOLER PIPE PACKING
Remove the No. 2 cooler pipe packing.
REMOVE EVAPORATOR PRESSURE REGULATOR
Remove the 2 bolts.
Disconnect the cooler refrigerant suction pipe A and cooler refrigerant suction pipe B to remove the evaporator pressure regulator.
Remove the 2 O-rings from the cooler refrigerant suction pipe A and cooler refrigerant suction pipe B.
Note
Seal the openings of the disconnected parts using vinyl tape to prevent entry of moisture and foreign matter.