I normally don't work on refrigerators and was wondering if there is a way to unstop a cap tube on a true single door reach in? I have 150psig of nitrogen going backwards through the suction line and coming back to the discharge line where I cut it loose at the strainer(strainer is out). I thought about brazing the new strainer on and pulling a vacuum on that side with the nitrogen but I don't have another new one if the crap comes out. Any idea's. Oh yea the nitrogen holds pressure with the other side open. thanks.