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

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