washing machine?

hello i have an eaton viking thats very old. the washing machine works fine but when its on the wash cycle it makes a very high squeaky noise. the noise goes away when its spins. most people say it need lubricating but i dont know where to put it and how to remove the agitator because their is no nut or screw just a little scew with a little whole. how do i stop this noise. when i test the agitator i hear the squeaking noise.