keep the flame small, heat jut around the axel and bang on it from behind every so often, try not to burn your paint, and you dont want to get it hot enough to weaken the metal of your bb, just enough to expand the metal of the bb by fractions of a millimeter to get it off.
make sure there are no combustible penetrating oils on the spindle/ crank
keep the flame small, heat jut around the axel and bang on it from behind every so often, try not to burn your paint, and you dont want to get it hot enough to weaken the metal of your bb, just enough to expand the metal of the bb by fractions of a millimeter to get it off.
make sure there are no combustible penetrating oils on the spindle/ crank