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General| Brand | White |
|---|---|
| Model | SUPERLOCK 634D |
| Category | Sewing Machine |
| Language | English |
Instructions to reduce the risk of electric shock, including not leaving the appliance unattended.
Precautions to reduce the risk of burns, fire, electric shock, or injury to persons.
Detailed steps for threading the lower looper with diagrams.
Detailed steps for threading the upper looper with diagrams.
Instructions for threading the needles, including using tweezers.
Description of correct tension balance and what to look for in the stitch formation.
Troubleshooting guide for when the upper looper thread wraps incorrectly.
Troubleshooting guide for when the lower looper thread wraps incorrectly.
Troubleshooting guide for when the left needle thread is too loose.
Troubleshooting guide for when the right needle thread is too loose.
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