Going through the same thing right now. There is a hex stud near the top bolt. You can put a 15mm socket on it for leverage when tensioning/rebolting.

I bought an Eskimo HC40 propane last year on sale from Reeds right before a trip to Big Winnie. I love it. No smell, runs cooler, no fluids to worry about leaking, and a 1lb tank seems to last forever. And Eskimo really takes care of you when you need it. I have a buddy who busted on pole to a hub shack on the ice. Called them from the ice and they shipped him everything needed for the repair on the double!