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General| Brand | Brother |
|---|---|
| Model | MA4-B551 |
| Category | Sewing Machine |
| Language | English |
Describes the setup of the machine head system, including semi-submerged and full-submerged options.
Details sewing speeds and guides selection of motor pulleys and belts.
Covers machine rotation, belt installation, cover, eye guard, and spool stand setup.
Step-by-step guide to correctly install a sewing needle into the machine.
Explains how to maintain the correct oil level between the indicator lines.
Details oil changes, filter cleaning, and the use of the needle cooler.
Explains how to adjust thread tension based on material, thread type, and stitch settings.
Guides adjustment of the presser foot pressure for optimal fabric feeding.
Details how stitch width is determined and how to adjust it.
Explains how to adjust the stitch length based on material and differential feed.
Covers adjusting the differential feed for stretching, gathering, or uniform fabric feed.
Instructions for setting the correct needle height based on machine specifications.
Details how to tilt and position the under looper for proper stitching.
Guides adjustment of the over looper, ensuring it doesn't contact the needle guard.
Covers adjusting the double chain stitch looper, including safety stitch settings.
Instructions for aligning the thread trimmer knives for proper cutting.
Explains how to adjust the height of the main, chaining, and differential feed dogs.
Details adjusting the forward-reverse movement of the double chain stitch looper based on needle size.
