Rap- Yes, you're on the right track with pouring out as much as you can, then wiping out as much as possible with a paper towel, then clean up the residue with either rubbing alcohol or denatured. (Can't remember which- let me check on that for you.)
DO NOT UN-SOLDER THE TONEARM LEADS FROM THE CONNECTION BRACKET. Once again, remove the two screws and the bracket will come away from the plinth. The bracket, leads and arm are one assembly.
DO NOT UN-SOLDER THE TONEARM LEADS FROM THE CONNECTION BRACKET. Once again, remove the two screws and the bracket will come away from the plinth. The bracket, leads and arm are one assembly.