Singer 20 Class Sewing Machine Adjusters Manual.
Includes:
Part description.
Set needle in needle bar.
Formation of single thread chain stitch.
Stitch length.
Regulate thread tension.
Timing the feed.
Remove and replace looper and cloth plate.
Hand wheel removal.
Oiling machine.
Correcting trouble issues.
17 page adjusters manual.
Not too bad of quality considering the manual is from the 50’s.
Take a look at the photos before purchasing.
