Question about PfaFF Creative 7570
When filling a bobbin the clutch does not disengage. The needle goes up and down. When it does disengage the bobbin runs at high speed and will only stop when I push a button on the machine.
I explained this problem to the technician at the sewing machine shop. He said the clutch is dry.
How do I access it? What does it look like? What do I need to do to oil it?
To fix this yourself you need to remove the handwheel screw and cover. Warning: the mechanism may explode and only an experienced technician can help you put it back together.
1. Remove with a small screwdriver or any small prying instrument the small cover on the middle of the handwheel (it is about the size of a quarter). You will see a silver phillips head screw that is really wide for its size.
2. With a phillips screwdriver remove the screw you see, do not let plastic part underneath move, hold it in so only the screw and washer are removed. (There is a fiber washer underneath that may stick to is or stay behind, remove it with the screw.) It will take a little effort to break it loose and you need to hold onto the handwheel or block the needle bar with something. (remove the needle and place a piece of wood or a book or anything that is about 1" tall under the needle bar and turn the handwheel in the sewing direction until motion stops).
3. Tricky part: You have now removed the screw and washer and hopefully nothing else has come out or sprung across the room. Gengly pull the entire handwheel assembly away from the machine only a fraction of an inch. Pull on the outer part of the handwheel NOT! the inner part (see above re: springs landing on the other side of the room). You are looking at the upper shaft in the center of the assembly, apply a couple of drops of oil to the interface between the plastic handwheel and the shaft (tri-flow is best, but any light weight oil will do, even WD40 if you can stand the smell).
4. Reset the assembly and install the screw/washer/cover.
5. You may still need to block the needle bar and run the machine to work in the oil.
Notes: If you have not have your machine serviced in awhile this may be red flag telling you that it is time. I have worked on Pfaffs for 10 yrs. they are awsome machines but need a little tlc now and then to perform to maximum
Posted on Jan 29, 2009
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Posted on Jan 02, 2017
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