51
2-thread fl atlock
narrow and wide
Program 03 and 04
When all tensions are correctly set, the loops of
both threads are directly on the underside of
the fabric.
Note: The converter (see page 32) must be at-
tached to sew the 2-thread fl atlock seam.
The needle thread is too loose or the lower
looper thread (yellow) is too tight.
Set the relevant needle thread tension to a
higher value and/or the yellow thread tension
to a lower value.
The lower looper thread (yellow) is too
loose and/or the needle thread is too tight.
Set the yellow thread tension to a higher value
and/or the relevant needle thread tension to a
lower value.