APPENDIX
Symptom | Possible cause | How to put it right | Page | |
The fabric is | The thread tension is incorrect. | Adjust the tension of the upper thread. | 27 | |
wrinkled. | ||||
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| You have not threaded the upper thread | Correct the upper threading. | 17 | |
| properly. | |||
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| You have not used the right combination of | Choose a thread and needle that are | 22 | |
| fabric, thread and needle. | appropriate for the type of fabric. | ||
Stitches are |
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skipped. | The needle is bent or blunt. | Replace the needle. | 7 | |
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| The needle is incorrectly installed. | Correctly install the needle. | 7 | |
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| Dust has accumulated under the needle | Remove the needle plate and clean the | 45 | |
| plate or in the bobbin case. | plate and the bobbin case. | ||
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| Raise the needle by turning the |
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The needle | The needle has not been raised to the | handwheel toward you | 19 | |
correct position. | (counterclockwise) so that the mark on | |||
threader can |
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| the wheel points up. |
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not be used. |
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| You have not inserted the needle properly. | Insert the needle properly. | 7 | |
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| The presser foot that you are using is not | Attach the presser foot that is correct |
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| for the type of stitch that you want to | – | ||
| correct for the type of stitch. | |||
| sew. |
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The stitch is |
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The thread tension is incorrect. | Adjust the tension of the upper thread. | 27 | ||
not sewn | ||||
correctly. |
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| Remove the tangled thread. If the |
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| The thread is tangled. | thread is tangled in the bobbin case, | 45 | |
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| clean the bobbin case. |
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| The stitch is too fine. | Lengthen the stitch length. | – | |
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| The darning plate is fitted on the needle | Remove the darning plate. | – | |
| plate. | |||
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| You have not used the right combination of | Choose a thread and needle that are | 22 | |
The fabric | fabric, thread and needle. | appropriate for the type of fabric. | ||
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does not feed. |
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The thread is tangled, for example, in the | Remove the tangle thread. If the thread | 45 | ||
| race. | is tangled in the race, clean the race. | ||
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| The presser foot you are using is not | Attach the presser foot that is correct |
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| appropriate for the type of stitch that you | for the type of stitch that you want to | 38 | |
| want to sew. | sew. |
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