Do you have the manual for it? You can go to SingerCo.com and d/l it for free ( in most cases). Some machines have a motor which can be lowered and raised.
I was at the Mennonite sewing machine repair shop yesterday and they said "do not use 3 in 1 oil".
I did buy new bobbin winder tires for .17 each.
I would be cautious about putting any substance on my machine.