machine setting singer 353
 

hello
who can help me with the setting of the machine gears
I want to replace the vertical gear
but there are no adjustment marks on the axes
how can I get the main axis synchronous with the bobbin case axis

who knows that
greetings from the Netherlands

At the top of this forum, on the main page, there is a sub-forum named "For Vintage and Antique Sewing Machines." The folks in there are very knowledgeable about older Singer sewing machines. I'll bet they could help you.