Can i give a tip? pour the alcohol into the port, you'll get more "gravity" pressure to challenge the sealing of the valve/seat due to more volume of alcohol overall and it will all be resting on the seat.
Thank you for the advice. Since I already have the mineral spirits in the chamber, I took the airgun hooked to the air compressor and blew through the intake and exhaust port. We got no bubbles at all. I think we're seated