We may have found other answers which could help you.
Click here for Machine Sounds Fine
Pfaff 1540 needle jams down in bobbin area?
Pfaff Creative 1473 Thread stuck in bobbin race?
Where/how can I get my 2 Pfaff 1473 circuit boards repaired?
My Pfaff 1222 suddenly started running fast and it won't stop. Help!?
sewing maching (pfaff 1171)?
How to replace tension spring on a Pfaff 145?