Hi,
Nice Winselman. Your Titan shares many characteristics of the Singer Model 12 or New Family. Main difference is in the bobbin winding systems. Attached is Singer 12 manual which is what I used to work on my Gritzner, mainly cause I couldn't find a German machine manual:
http://www.ismacs.net/singer_sewing_...12k-manual.pdf
Good Luck----Jon
Jon