Originally Posted by
theatriks
So i looked over everything and im not having any problems with po1 po2 or po4....the problems im having are the arm itself is popping off the at21 balls that are mounted on the chassis everytime i tap a board .......everything else stays together.......if theres a fix for that !...let me know.
I would have always replaced P03 after it popped off, I think they start to stretch over time. If there is any wear marks on at21 (shouldn't be) replace it too.