I’m rebuilding the gripper assembly on a very dirty SP-20. The pins are jammed in the holes due to the previous owner’s habit of just shooting WD-40 around the pins instead of lubricating them with graphite powder or grease. I’ve tried pulling them out, but they seem glued in there. I don’t think bent pins are the problem, because every pin is affected. Any suggestions?
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3 thoughts on “Stuck SP-20 Grippers”
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Yep. It worked exactly as advertised. Thanks for directing me to that link, Paul.
Alex’s idea worked wonders. I baked my gripper assembly for 10 minutes at 300, two times, and then tapped with a rubber mallet and the pins came out. The miracle of 2010 so far!
Read the post “frozen bearings & paper gripper, SP-15” on this forum, especially, Alex Brook’s second comment: https://vandercookpress.info/frozen-bearings-paper-gripper-sp-15/