Troubleshooting – SINGER 384.18024 (Sold at Sears) User Manual
Page 44
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Troubleshooting
r
Condition
Cause
Reference
The needle thread
1. The needle thread is not threaded properly.
Page 28
breaks.
2. The needle thread tension is too tight.
Page 30
3. The needle is bent or blunt.
Page 18
4. The needle is incorrectly inserted.
5. The needle thread and the bobbin thread are not set properly
Page 18
under the presserfoot when sewing is starting.
Page 28
6
. The fabric is not drawn to the rear when sewing is finished .
Page 38
7. The thread is too heavy or too fine for the needle.
Page 91
The bobbin thread
1. The bobbin thread is not threaded properly in the bobbin
breaks.
case and shuttle.
Page 24
2. Lint has collected in the shuttle area.
Page 84, 86
3. The bobbin is damaged and doesn't turn smoothly.
Change the bobbin
The needle breaks.
1. The needle is incorrectly inserted.
Page 18
2. The needle is bent or blunt.
Page 18
3. The needle clamp screw is loose.
Page 18
4. The needle thread tension is too tight.
Page 30
5. The fabric is not drawn to the rear when sewing is finished.
Page 38
6
. The needle is too fine for the fabric being sewn.
Page 91
Skipped stitches
1. The needle is incorrectly inserted.
Page 18
2. The needle is bent or blunt.
3. The needle and/or threads are not suitable for the work being
Page 18
sewn.
Page 91
4. The needle thread is not threaded properly.
Page 28
5. The wrong needle is used.
Change the needle
Seam puckering
1. The needle thread tension is too tight.
Pages 30, 32
2. The needle thread is not threaded properly.
Page 28
3. The needle is too heavy for the fabric being sewn.
Page 91
4. The stitch length is too long for the fabric.
Make stitch denser
The cloth is not
1. The machine is not plugged in.
Page 14
feeding smoothly.
2. The stitches are too fine.
Make stitch coarser
3. The feed dog is not raised after “drop feed” sewing.
Page 42
The machine does
1. The feed dog is packed with lint.
2
. A thread is caught in the shuttle race.
Page 86
Page 86
not work.
3. Push-clutch is disengaged.
Page 24
Patterns are
distorted.
1. The stitch is not balanced.
Page 36
Noisy operation
1. There is thread caught in the hook race.
Page 86
2. Lint has built up in the shuttle or the shuttle race.
Page 84
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