how to adjust bobbin tension on singer 211g166?

Hello Scott,
Make sure you are threading the machine with the presser foot up so the thread goes between the discs, top tension 4 or 5 and you should be able to pull the bobbin thread through with slight resistence, if it is too tight slacken the screw on the bobbin case about a quarter of a turn anti clockwise and test and adjust until you get it right.

drivewithken
November 2009