Purchased a new All American 15.5 qt AA915 and I tested it as the instructions said and I got the jiggle to work 1st time.
Propane Stove.
I then tried to sterilize a jar. Had the canning rack, water about 2.5", jar was half covered by water. Put olive oil on top and bottom rims.
It leaked all over the place, finally gave up as the pressure would not go up with water about 1" deep.
Tried again today. Cleaned the rims and put Olive Oil on bottom rim only with paper towel. Went for a very thin coat. Hoo hummm, it leaked in 4 places around the rim and would not get up to pressure (15, 250 deg.) so no jiggle. Let it cool, emptied and cleaned the rim, applied thin coat of Olive Oil on bottom only using paper towel, ran my finger over it and could barely feel it. This time, it did get up to pressure but the regulator weight would not jiggle. It went up to 254 and I backed the heat down.
It was leaking in at least 2 places around the rim, maybe 3??. I also poked the regulator a few times with a knife. Still no jiggle but, it was sputtering water out. Quit and am waiting for it to cool.
Feeling so disappointed. I don't know anyone who has canned before so am hoping to get some help here.