You may try oiling it first before removing. Not sure if that will fix the issue, but it is a place to start. Basic instructions can be found here:
http://modelabasics.com/wiper.htm
Also here:
http://www.mafca.com/downloads/Techn...um%20Wiper.pdf
Search around on the forums as well. You might find the answer there.
By the way, I am a new owner of a 31 SW Town Sedan too. Welcome aboard! You'll find the search feature of the forums an indispensable tool.
-Blake