congratulations on a good buy. be sure to give her some oil before you sew. she might be thirsty from sitting so long. in the back of the book there is a place that tells you where to put the oil. there are a lot of places, so be patient while you do this,. also lay her on her back and unscrew the big nut on the bottom. this will expose the big cog. if the grease is dark, and not transparent, it is best to take her in and have that grease removed and new put on it. if you have a talented mechanic, he may know how to use a brush and solvent, and remove the grease, and then apply new grease. it isn't hard to do. i have a metal handled brush, and i put a cloth down to absorb the runoff, and then i let it air dry for an hour, after wiping it down, then reapply the grease generously. hand crank it for a few turns before you run it. hope this hepls.