SINGER 319K - Manual (Page 39)

37
n e e d l e t h r e a d t e n s i o n ( c o n t i n u e d )
In the unbalanced tensions of Fig. 59, the
needle thread lies straight along top side of
material, caused by too heavy tension on
needle thread.
In the unbalanced tensions of Fig. 60, the
bobbin thread lies straight along under side of
material, caused by too light tension on needle
thread. Fig. 60. Needle Thread
Tension Too Loose
Tensions Balanced