My dishwasher no longer empties. There may be a clogged filter, chopper or line. I've removed all parts down to the Ultra Wash unit and was going to see if there was a clog there. The unit seems to be held in place by a 1/4 inch bolt through the center of a circular 3" black plastic plate with an integrated 1" nut at the top. The 1/4" bolt goes through the center of the 1" nut. I don't want to destroy the nut. Bob
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