Silver 392 Mode D'emploi page 74

Condition
Stitches form loops
below the work.
The cloth is not
feeding smoothly.
The machine does
not work.
The buttonhole
stiches are not
balanced.
74
1. The needle thread tension is too loose.
2. The needle is either too heavy or too fine for the thread.
1. The feed dog is packed with lint.
2. The presser foot pressure is too weak.
3. The stitches are too fine.
4. The feed dog is not raised after ``Drop feed'' has been
used.
1. The machine is not plugged in.
2. A thread is caught in the hook race.
3. Stop motion knob is disengaged for the bobbin winding.
1. The stitch length is not suitable for the fabric being sewn.
2. The work is being pulled or held back.
Cause Reference
See Page 35-36
See Page 24
See Page 21
See Page 22
Make the
stitches coarser.
See Page 21
See Page 14
See Page 28
See Page 29-30
See Page 48
Do not force the
fabric for
guiding.