Sears Kenmore 385.12216 Manual De Instrucciones página 76

Troubleshooting
Condition
The needle thread
breaks,
The bobbin thread
breaks.
Cause Reference
1, The needle thread is not threaded properly°
2. The needle thread tension is too tight°
3. The needle is bent or blunt.
4,. The needle is incorrectly inserted.
5. The needle thread and the bobbin thread are not set
properly under (drawn to the rear of) the presser foot
when sewing is starting.
6,. The fabric is not drawn to the rear when sewing is
finished,,
7. The thread is too heavy or too fine for the needle.
1,. The bobbin thread is not threaded properly in the
bobbin holder.
2, Lint has collected in the shuttle area,,
3. The bobbin is damaged and doesn't turn smoothlyo
The needle breaks. 1. The needle is incorrectly inserted,
2. The needle is bent or blunt°
3o The needle clamp screw is loose,,
4,. The needle thread tension is too tight.
51 The fabric is not drawn to the rear when sewing is
finished.
6. The needle is too fine for the fabric being sewn.
Skipped stitches 1. The needle is incorrectly inserted,.
2. The needle is bent or blunt.
3. The needle and/or threads are not suitable for the work
being sewn.
4. A blue needle is not being used for sewing stretch, very
fine fabrics and synthetics,
Seam puckering
Page 24
Pages 26, 28
Page 10
Page 10
Page 24
Page 32
Page14
Page 24
Page 64
Changethe bobbin
Page I0
Page I0
Page 10
Pages 26, 28
Page 32
Page 14
Page10
Page lO
Page14
Page14
5. The
6. The
1., The
2., The
3. The
4. The
needle thread is not threaded properl_z. Page 24
wrong needle is used,, Change the needle
needle thread tension is too tight.
needle thread is not threaded properly.
needle is too heavy for the fabric being sewn.
stitch length is too long for the fabric.
feed dog is packed with lint.
stitches are too fine.
Pages26,28
Page 24
Page14
Make stitch denser
Page 62
Make stitch coaser
The cloth is not 1. The
feeding smoothly. 2. The
The machine 1. The machine is not plugged in.. Page 6
doesn't work. 2. A thread is caught in the hook race. Page 64
Patterns are dis- 1, The stitch is not balanced, Page 30
torted.
Noisy operation 1. There is thread caught in the hook race. Page 64
2. Lint has built up in the bobbin holder or hook race Page 64
J
68