What to Do When (Continued)
| PROBLEM |
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| PROBABLE | CAUSE | ! |
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| CORRECTION |
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| Incorrect |
| s_ze needle. |
| Choose |
| correct | size | needle | for | thread | and | fabric. | |||||||||
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| Certain |
| knits | and | synthetics. | Use "Q |
| NEEDLE'/., |
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Skipping | Stitches |
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| Bent | or |
| blunt | needle, |
| insert |
| new | needle, |
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| Incorrect |
| setting | of | needle, | Reset | needle. |
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| Tight | upper | thread | tension. | Loosen |
| upper | thread | tension. |
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| Starting |
| to | stitch | too | fast. | Start | to | stitch | at | a medium | speed, |
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| Improper |
| threading. |
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| Rethread | machine. |
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| Tight | upper | thread | tension. | Loosen |
| upper | thread | tension. |
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Breaking | Upper | Thread |
| Incorrect |
| s_ze needle. |
| Choose |
| correct | size | needle | for | thread | and | fabric, | |||||||||
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| Sharp | eve | in needle. |
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| Insert |
| new | needle. |
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| Nicks | or | burrs | on | shuttle. | Replace |
| shuttle, | or | polish | off | burrs | completely. | |||||||||
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| Nicks | or | burrs | at | hole | of needle plate. | Replace |
| needle | plate, | or polish | off burrs | completely, | |||||||||
Breaking | Bobbin | Thread |
| Improper |
| bobbin | case | threading. | Check |
| bobbin | case | threading. |
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| Lint | in | bobbin | case | or | shuttle, | Clean | bobbin | case and | shuttle. |
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| Darmng |
| ptate | in | place. |
| Remove |
| darning | plate. |
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Fabric | not Mowng |
| Stitch | Length | set | at | 0. | Adiust |
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| St{tch | Length | Control. |
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| Thread | knotted | under | fabnc. | Place | both | threads | back under presser foot before beginning | ||||||||||||||
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| to stitch. |
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Machine | Jamming | Knocking | Noise | Thread | caught | in shuttle. | Disassemble | and | clean | shuttle. |
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Lint | m | bobbin | case | or | shuttle. | Ctean | bobbin | case and | shuttle, |
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