- Тип техники
- Бренд
Просмотр инструкции швейной машинки Jaguar 789, страница 84
83
6. CHECKING PERFORMANCE PROBLEMS
GENERAL PROBLEMS
Machine does not sew.
* Power line cord or foot switch is not connected.- See page 10 - 11.
* Power switch is turned off.- Turn on the switch.
Machine jams/knocks.
* Thread is caught in shuttle.- Clean shuttle (see page 78 - 79).
* Needle is damaged.- Replace needle (see page 18 - 19).
Fabric does not move.
* Presser foot is not lowered - lower presser foot.
* Stitch length is set at 0. - Set it at 1 to 4.
STITCHING PROBLEMS
Machine skips stitches.
* Needle is not all the way up into needle clamp. - See page 18 - 19.
* Needle is bent or blunt. - Replace needle (see page 18 - 19).
* Machine is not threaded correctly. - See page 20 - 21.
* Thread is caught in shuttle. - Clean shuttle (see page 78 - 79).
Stitches are irregular.
* Needle size is not correct for thread and fabric. - See page 18 - 19.
* Machine is not threaded correctly. - See page 20 - 21.
* Top thread tension is too loose. - See page 26 - 27.
* Fabric is being pulled or pushed against machine feeding action. - Guide it gently.
* Bobbin has not been wound evenly. - Rewind bobbin.
Needle breaks.
* Fabric is being pulled or pushed against machine feeding action. -Guide it gently.
* Needle size is not correct for thread and fabric. - See page 18 - 19.
* Needle is not all the way up into the needle clamp (See page 18 - 19).
THREAD PROBLEMS
Thread bunches.
* Top and bobbin threads are not drawn back under presser foot before starting seam.
- Draw both threads back under presser foot about 4 inches (10 cm) and hold until a few
stitches are formed.
Needle thread breaks.
* Machine is not threaded correctly. - See page 20 - 21.
* Top thread tension is too tight. - See page 26 - 27.
* Needle is bent. - Replace needle (see page 18 - 19).
* Needle size is not correct for thread and fabric - See page 18 - 19.
Bobbin thread breaks.
* Bobbin case is not threaded correctly. See page 16 - 17.
* Lint accumulates in bobbin case or shuttle. - Remove lint (see page 78 - 79).
Fabric puckers.
* Top and bobbin thread tensions are too tight. - Adjust thread tensions (see page 26 - 27).
* Stitch length is too long for sheer or soft fabric. - Shorten stitch length.
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