The message . com
from "robgraham" contains these words:

Oh dear, sweet naivity strikes again ! I changed the the wheels on my
6" machine some years ago and never thought about it any more than
being a standard maintenance task. What skill is required of an
'expert' and what should I have attempted to do ?

Well, this is rapidly turning into uk.get-a-little-man-in, isn't it.

--
Skipweasel
Pay no attention to that man behind the curtain.