Trouble shooting chart, Troubleshooting chart – SINGER 14SH754/14CG754 User Manual
Page 49
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26. TROUBLE SHOOTING CHART
Problem
Solution
Page
Fabric does not feed
- Lengthen stitch length.
21
well
- Increase presser foot pressure for heavy weight fabric.
22
- Decrease presser foot pressure for light weight fabric.
22
Needle breaks
- Insert needle correctly.
11
- Do not pull fabric while sewing.
29
- Tighten needle set screw.
11
- Use a larger needle on heavy fabrics.
7
Thread breaks
- Check threading
12-19
- Check for tangled or caught thread
20
- Insert needle correctly
11
- Insert new needle, current needle may be bent or have a
blunt point.
7
- Use a high quality thread.
49
- Loosen thread tension.
30-38
Stitches skip
- Insert new needle, current needle may be bent or have a
blunt point.
7
- Tighten needle set screw.
11
- Insert needle correctly.
11
- Change type or size of needle.
7
- Check threading.
12-19
- Increase presser foot pressure.
22
- Use a high quality thread.
49
Irregular stitches
- Balance thread tension.
30-38
- Check for tangled or caught thread.
20
- Check threading.
12-19
Fabric puckers
- Loosen thread tension.
30-38
- Check for tangled or caught thread
20
- Use high quality light weight thread.
49
- Shorten stitch length.
21
- Decrease presser foot pressure for light weight fabrics.
22
Irregular trimming
- Check alignment of knives.
47
- Replace one or both knives.
47
Fabric jams
- Close looper cover before sewing.
9
- Check for tangled or caught thread.
- Compress thick layers of fabric with conventional
machine before sewing with overlook.
20
Machine does not
operate
- Connect machine to power source.
9
48