'Sprag' the blade to stop it from rotating. Apply some WD40 or kerosene around the area and use an impact gun or impact driver to crack the nut. Check the thread and make sure you are actually turning the right way to loosen the nut. Some are a left hand thread! Cheers Bob
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'Sprag' the blade to stop it from rotating. Apply some WD40 or kerosene around the area and use an impact gun or impact driver to crack the nut. Check the thread and make sure you are actually turning the right way to loosen the nut. Some are a left hand thread! Cheers Bob