Pumped down existing refrigerant to the condenser. Installed new TXV metering device. Removed existing liquid line filter drier and installed new one in the attic. Pressure tested system with nitrogen and pulled vacuum. Fixed level of the furnace to close the gap where it meets the evaporator coil. Sealed connections with mastic / hardcast. Cleared primary drain with CO2 and primed trap with water. Tested operation of system. Everything is working at completion of service.