Welcome, looks like a fun machine. I gather you got the cams with your machine, but
not the manual.
I haven't done business with any of these places, but have seen them around for a while, as I search for various
Vintage Sewing machine manuals.
https://www.sewingmachinemanual.com/...-down9000.html
https://www.sew4less.com/product/332...ruction_Manual
http://www.sewingmachinemanual.net/S...ion_manual.htm
Janey - Neat people never make the exciting discoveries I do.
Not affiliated with off-site link(s)