Build 2 pillars of loose breeze blocks either side of backplate to raise it off ground, lay some old cloth or carpet on the top of blocks so as the backplate isnt damaged. Refit the pulley nut so its sitting slightly proud of the shaft -so thread isnt damaged then hammer the sh*t out of it till it moves.
Repair and service your own washing machine. Go to www.2ndwave.co.uk/manual.html
dannyboy, December 2008