After a prolonged hiatus, I am going to try and pick up my air brushes again. I tried doing this before, but my wife took my brushes and attempted to use them to do some touch up painting on her car I have finally soaked them in restorer today and with new o rings on order and a part from Sotar I hope to get them back working again. I also ordered a new HPC-SB yesterday so I will have something that will work at least when it arrives. I also have a HB Evolution that I am trying to get working also. Any tips would be appreciated. I have forgotten the little I once knew so I will be almost starting over again.