Originally Posted by
OurWorkbench
From my understanding the things to check for slow sewing featherweights.
- Check the belt tension.
- Check the brushes, and commutator for deposits
- Check that the bobbin is disengaged.
- Check the foot controller.
According to
FW Doctor
Shoot, I tried to edit and took to long so will try again. The link for the quote should have been
Singer Featherweight 221.
- Check the belt tension.
- Check the brushes, and commutator for deposits
- Check that the bobbin is disengaged.
- Check the foot controller.
- Check the motor pulley that thread isn't wrapped around
- Check the hook area that there are no threads.
The
FW Doctor link is for #5
For #4 a video is at
https://vimeo.com/146051184
for #6 the video at
https://www.youtube.com/watch?v=ylxQmI_R-2A is probably the one that I watched when I was having trouble with a FW that would speed up after running for a while as described in post #12 and #15 of
FW-HASB ?? fixable? by me? - very long winded
Andy Tube has a longer one at
https://www.youtube.com/watch?v=1yVQ0NkcUzQ