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Super Member
My 3016 shuttle had the same thing happen at about the same number of hours. I expect that the linkage needs to wear in. I do keep the linkage greased now as well.
On those little "dogs" that look like little squares, take a file and round off the corners a bit and grease the area. Won't happen again. This is a weak part of the design on the 3016 imo. Very Fred Flintstone type engineering. This is how it comes in at a "value price point"