on some wheels, the pin is not made to come out, its pressed into the wheel frame, but im not sure what your wheels look like? have you tryed www.casters.co.uk or Ebay 3 wheel dollys" if you have the head hight on the fridge, NO worktop over it. there are lots of casters/wheel dollys / ect that you can put under it , to move it in and out, googel casters to find out more,
m, March 2012