hello I have a RS-78B model Riccar sewing machine that someone gave to me. For some reason the upper thread keeps getting bunched and tangled up down underneath where the bobbin is. I'm nit sure what I'm doing wrong can you help me? Also...I've never used this type of machine before.

Asked by Lea on 04/08/2015 0  Answer

ManualsOnline posted an answer 9 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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