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Forgive; forgot, the shoulder on my 270 cases do not move, I know, I am not a bumper. I have bump presses, I have presses that do not bump. All of my presses that bump also cam over. My presses that do not cam over are not bump presses. I have at least 4 Rock Chucker presses, none of my Rock Chucker presses cam over. My Rock Chucker presses lock up and or go into a bind when the linkage goes into a bind. The bind causes the ram to be kicked back at the bottom and forward at the top. To check this phenomena it is required to back away from the computer and find a Rock Chucker. After locating a Rock Chucker crawl under the bench and somehow manage the handle to operate the press. A piece of carbon paper is helpful when determining the contact point on the linkage. T watch the ram kick forward at the top when the ram is raised remove the die.
F. Guffey
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