My wife found a small lee electric pot at a yard sale, It works like a charm in respect that it melts lead, the temp is fully adjustable , and its in good shape. But, the pour spout seems to be plugged, it won't even drip. I've heated a couple of small batches of lead , hoping that it would eventually start moving lead through the spout. No dice! Is it possible to remove and clean the orifice on the spout? Or is it replacement time. Thanks