Removing rudder on '85 first 29

Nov 27, 2010
2
Beneteau First 29 Chicago
rudder2.jpg
rudder1.jpg
Does anyone have experience removing the rudder on a tiller boat of this vintage? I have excessive play and wanted to do some work on it this winter.

Pictures are attached. There is an hex key with a nut and a pin that goes through the stock. Any thoughts?