Adjusting Bobbin Tensions; Decrease Tension; Increase Tension - Kenmore 1521 Owner's Manual

!
Bobbin tension requires adjusting less frequently than the upper thread tension,
If
the stitch is satisfactory but the seam
is
puckered, it may be
necessary to loosen
Lhe tension on both the top and bottom threads. Be sure to balance them as
!ndicated on page 10,
When adjusting the tension on the bobbin case, make slight adjustments with a
_rewdriver+ Correct tensions will produce the stitch shown on page 10.
Turn Clockwise,