I did pivot pin on my 135, pin had just started to wear into the axle, had a solid pin that would not move, finally unbolted the casting and dropped it, casting was pretty stout BIL held my biggest punch with vise grips while I wailed on punch with 5lb then 8lb maul, finally got it to budge .001 and rest was simple IDEAS: make triple sure that the locking devise is out make sure weight is off the casting and axle can wiggle, pin might be sitting in a groove if you have a hollow pin, suggest heating inside of pin and then letting it cool several times, expansion/contraction sometimes works pin loose use lots of PB Blaster or your favorite brand of panther pee, I have read about putting bees wax on the join after getting it hot, wax supposed to draw into the joint, never had to try it after you get it out, put anti-seize on new pin my new one was hollow and slid in with finger pressure please keep us posted
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