7-May-10 Since the bottom of the boiler is very uneven, and I don't want to drill and tap blind holes into the mud ring, I tack welded 1/4" thick flat stock to the boiler with was drilled and tapped for the fire pan. Not shown is how I used 10-32 screws to hold the unwelded bars to the pan and tack welded them in place assuring the holes will line up after the bars are seal-welded to the mud ring.
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