Question about PfaFF Sewing Machines
The needle shaft is working fine as is the feed.... Have lifted the machine over to view underneath and I am guessing something has come loose in the drive shaft that moves the bobbin outer case area??? appreciate any suggestions... Thank you!!! Vanessa
Bobbin case should be stationary, bobbin itself is rotated as thread unwound, check hook timing. Simply turn hand wheel towards you and watch needle go down, when it reaches lowest point turn it slowly until needle rises 3/16" or so. Hook should be behind needle and slightly above eye.
Posted on Feb 19, 2014
Testimonial: "Hi and thanks so much for your help!!! We have however solved the problem, after taking off the oil drip plate casing we found three cogs one of which is driven by the drive shaft, the belt that linked all three together had diminished away and snapped wire was in place of it... all we need is a new belt and should run better than ever! Thanks again!!"
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Posted on Jan 02, 2017
If this were a Janome, it would indicate that a sensor for the bobbin winder needs adjusting, so the safest way forward is to seek the advice of your local Brother dealer, or contact Brother in your home country for details of nearest agent.
Sorry to say,........sometimes these things really do need to be seen to by trained technicians with access to diagnostic equipment and workshop manuals, they cannot be done via email, and if you just open the machine and play around it will end up at a workshop anyway.
Apologies to be the bearer of such news....every day I give thanks that I am not a veterinarian.
Posted on Feb 24, 2008
SOURCE: Needle hits bobbin outer casing
Your hook/needle timing is off and it needs to be seen by a technician before you damage the hook. Some dealers can do a 24 hour repair for an additional charge.
Posted on Jun 09, 2008
SOURCE: The fabric doesn't move forward.
We need to do some examining. Remove the foot. Put the stitch length dial at the longest stitch. Turn the wheel and see if the feed dogs move about 1/4 inch. Also check to see that they rise just slightly above the needle plate. If it does these two things it will work. If the teeth don't rise above the plate, remove the needle plate and clean the lint out from between the rows of teeth. If you find a lot of tightly packed lint there this will solve your problem. Reinstall the needle plate and foot. If the feed dogs don't move about 1/4 inch, you probably have a problem which is going to require the services of a technician.
Posted on Jun 12, 2008
The clutch has fallen off the shaft. Remove the very small screw in the clutch release screw to remove the clutch release. Place the clutch(round thing with ears on it) back on the shaft with the center ears pointing towards the outside. Put the clutch release screw back on. Tighten it to make sure it works
properly. Put the small screw back in the clutch release screw and test it again. If it will not tighten or release properly, remove the clutch ,rotate it180 degrees and try it again.This should solve your problem.
Posted on Feb 16, 2009
SOURCE: Singer zig-zag 437
loosen the screw on the larger of the two feed gears (not bevel gears). Retigten so that the feed teeth start to rise right when the needle starts to rise and fall right when the needle starts to go into the fabric. Make the setting the same. i.e. when the feed teeth start to rise, how high is the needle (2mm, 3mm, etc.)? set the feed timing so the teeth rise and fall with the needle at the same height going in and coming out, this assures that the fabric only feeds when the needle is out of the fabric.
Posted on Mar 18, 2009
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