HOW CAN I REMOVE THE REAR PULLEY AND FIT NEW BEARINGS?

INDESIT 822R WASHING MACHINE. THE DRIVE BELT HAS GONE SLACK WHICH COULD INDICATE THAT THE MAIN DRUM BEARING HAS GONE. HOW DO I REMOVE THE NUT TO REMOVE THE PULLEY AND GET ACCESS TO THE BEARING. I HAVE TRIED BUT THE NUT WILL NOT BUDGE. IS THERE A METHOD TO UNDOING THIS. ALSO WHERE IS THE BEST PLACE TO GET PARTS. ONE ADVERT QUOTED £144 FOR THE BEARING SPIDER.
NEARLY AS CHEAP TO BUY NEW
BARRY LESLIE POTTS, February 2005
to make sure the bearing has gone,open door and push drum at top to see if there is movement,also look for leaks/rusty colour directly behind pulley if there is none,possibly just belt stretched,or motor is out of position.

george, February 2005
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