I have an uncommon item that I need to service. A Conley Silent Shutter. It works via a similar piston mechanism as a Packard shutter powered by a bulb. Everything works but the piston has a little more resistance than it should. The air pressure from the bulb is barely able to open the shutter and the suction is not able to close it. I’m able to get the tip of my pinky finger inside the inner edge of the piston interior and noticed that it feels a little waxy.
I haven’t serviced one of these before so am hoping for a little wisdom from those who may have seen one of these before or have serviced similar types of air powered shutter pistons. Am I right to assume that the interior of the piston should be clean and smooth? I can see that or even slightly oiled, but not waxy. That tells me there was oil that has gotten a bit gummed up. If thats correct, what would be the best protocol for cleaning it? Any help finding the right path would be appreciated. Thank you.
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