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Message: <blockquote data-quote="Fishfiles" data-source="post: 11339" data-attributes="member: 782"><p>A Mapp gas torch like the plumbers use is a good way to throw some heat on the pulley hub to get it to loosen up , not a lot of heat , you don't need to get it cherry red , I 'd say 20 second blast at a time then try it , still no turn then applyy more heat , same goes with the plug in the blower housing , when ever you heat something up to get it out , don't heat the thing your trying to get out , heat the surrounding area . also have found that after it is heated and say it doesn't turn , it is a good time to spray it with some penertrating oil such as Areo Kroil ( which is the best ) , while it is hot the Kroil will suck up into the threads , as far as welding it , what kind of rods and machine are you using , a DC machine with 7018 rods should work , 6011 on AC isn't the best for something like that , there is a special rod that is sold for just the purpose that you are doing , works very well , you put a nut over the plug and go thru the nut and contact the plug and fill as you go , I have used them on head bolts , you need a welding rod with a high tensil strength</p></blockquote><p></p>