Return to replace txv on wine cellar unit. Removed racks and door from wine cellar to access air handler. Reclaimed all of the refrigerant and removed evaporator coil to access txv. Cut out txv and pro pressed a new valve to the coil. Pressurized system for leaks and no leaks were found pulled a vacuum and recharged the unit with 4.8lbs of 134a according to manufacturer standards. Ran the system and checked all operations. Will need to return to fine tune the system will need two techs. Need to make adjustments to the txv to adjust superheat to system.