Kenmore 1206 Instructions Manual page 13

ADJUSTING TENSIONS
A perfect stitch wilt have threads locked between the two layers
of fabric with no loops on top or bottom.
Fig. 1
Fig. 2
PROBLEM
Upper thread too tight
Upper thread too loose
,.._!! li
Decrease Tension
Increase Tension
REMEDY
,, ','_ '_
Fig. 3
t2 NOTE: Never adjust more than one number at a time÷