IV. Types of stitches
Tri-cover stitch (Three needles four threads cover stitch)
Use four threads, three front needles and the looper thread to sew a 6 mm (15/64 inch) cover stitch.
Use: Ideal for hemming and for decorative stitching.
Threading
•For details on threading the machine, refer to “III. Threading” on page 9 to 10.
< Threading the left, center and right needle > < Threading the looper >
| Tension adjustments |
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A | (1)First, set each thread tension dial to the number |
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shown below. |
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| ATension selection mark |
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| Left needle dial | Center needle dial | ENGLISH |
| (yellow) | (pink) | |
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| 4 | 4 |
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| Right needle dial | Looper needle dial |
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| (green) | (blue) |
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| 4 | 4 |
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| CAUTION |
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| Make sure that the thread is properly seated in |
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| the tension discs by holding the tension release |
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| button to the right while passing the thread |
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| through the tension discs. |
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| (2)Sew a test stitch. (Refer to “V. Sewing” on page 15.) |
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| (3)Adjust the tension of each thread according to the |
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| condition of the stitch. |
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| Balanced tension |
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| The needle thread sews a straight seam on the top |
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| side and the looper thread forms loops on the under |
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Stitching direction | side of the fabric. |
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| Needle thread is too loose |
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| Turn the needle thread adjusting dial to a higher |
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| number. Or turn the looper adjusting dial to a lower |
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| number for looser tension. |
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Needle thread is too tight
Turn the needle thread adjusting dial to a lower number. Or turn the looper adjusting dial to a higher number for tighter tension.
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