hi dave i was wondering if you could guide me through lack of understanding i have. it is to do with piano disc in an old large player piano. how do i get the proper solinoid rail adjustment. is it like a grand, just raise the rail until the plunger is on the bottom of the barrel or set the height so the plunger is at the top of the barrel about the same time as the key touches the front rail punching. what ever information you might have time to share with me is appreaciated thanks wayne
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