Looking down on the needle-plate, there is a hole in the back with a ***** slot showing. How do I adjust that? What is it for?
It is most likely the screw that holds the needle plate in place. Needle plates should need NO adjustment as they should always be positioned in exactly the proper position in order for the needle to penetrate the open hole and intercept the bobbin thread below. If the needle is off kilter, then it would be the needle bar that needs adjustment, NOT the needle plate.
When you clean the machine, you should remove the needle plate to access the bobbin area in order to clean/remove lint, thread bits, and dirt and OIL IF REQUIRED by the instruction manual.
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It adjusts the needle plate position front to back.
SOURCE: 2020 rotary hook continuous one direction pfaff tiptronic 2020
You are absolutely correct - your machine doesn't come apart much because it is an electronic machine. There really are very few moving parts in modern sewing machines - and the electronics are better left to a technician who's been specifically trained.
It sounds as if your machine is no longer in time (needle rubbing the plate as it goes around if I'm understanding correctly). While not really a "major" repair, unfortunately with computerized/electronic machines, retiming your machine is something better left to an authorized Pfaff technician.
If the needle struck metal as you were stitching/basting, there may also be a rough spot/burr on the hook that your technician will be able to smooth off as well.
Hope this helps get you back up and running soon.
Happy stitching,
Kim & Linnette
www.sewingexpressions.com
SOURCE: the needle hits the bottom
Actually, first make sure you have the needle in properly... take it out, then replace it taking special care to hold it straight up and down. If that doesn't work, then the screws on your plate may be loose or one is missing, so manually shift the plate back to where it needs to be and tighten screws.
SOURCE: I am looking for a service manual for a Pfaff expression 2034
Here is the link for your PFAFF 2030 - 2040. It should be covered in this repair manual.
SOURCE: sewing machine repair
I suggest you to order the following product:
Sewing Machine Repair Guide
It's a professional repair guide written by an expert. You can learn how to repair different brands of sewing machine as well.
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