[Read!] Pully ??

[gotogojo]

need some help on a flat belt pully on a 1907 hendey there is 2 screws on the flat pully where the flat belt runs.might be a plug took one out and stuck a welding rod down in side got some old oil on the rod. not much but there was some on the rod.if it need oil in this strange place how much and what does it do in side of the pully? all so i drained the oil on the 2 bearing reserve for the spindle. and put coal oil to flush them out, did not take more than 4 table spoons.does this seem right amount??thanks for the come back gotogojo