Eyes_Only wrote:Is the pin threaded in so I can reuse it again or is it pressed in and would have to be replaced for reassembly?
probably not threaded . unless it has a place for the tool ( slot phillips or hex head).
You can drill the retainer out.. either drill a small hole in the retainer and thread a screw into it ( the retainer) so you can get a grip on it. and pull or pry it out or just drill a slightly over sized hole and destroy the retainer completly.
Replace with the correct size allen screw .
Everyone who eats potatoes eventually dies. Therefore potatoes are poisonous.