hello everyone im a new sewer and really have no idea to operate this. bought it from the street in my town. i know its vintage. it looks like singer 223 but im not sure. does someone knows what model is this.? the man who selling this doesnt have manual so im having a hard time to google a manual.[ATTACH=CONFIG]490037[/ATTACH] having a problem with this. just bought it because i want heavy duty machine and google lots about singer 223 and they have positive response. the problem is it doesnt work even straight stitch. she eat the thread underneath the bobbin area. i dnt know what to do. im way far to the shop where i bought this and its very heavy. it will be my last option to bring it to the shop to fix it. is there anything i can do?