The Brother LX3817A is a versatile, lightweight, and user-friendly mechanical sewing machine designed for beginners and home sewers. It features 17 built-in stitches, a 4-step buttonhole, easy stitch selection, automatic bobbin winding, and a drop-in top bobbin system. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Mechanical sewing machine with built-in stitches, Free Arm, Stitch Selector Dial, Stitch Length Dial, Reverse Sewing Lever, Bobbin Winder, and Foot Pedal.
| Feature | Description |
|---|---|
| Built-in Stitches | 17 stitches including utility, decorative, and stretch stitches |
| 4-Step Buttonhole | Easy-to-create buttonholes in four simple steps |
| Drop-in Top Bobbin | Easy bobbin threading and viewing |
| Automatic Bobbin Winder | Winds bobbin automatically while in place |
| Free Arm | Removable accessory compartment for sewing cuffs and sleeves |
| Stitch Length Dial | Adjusts stitch length (0-4 mm) |
| Stitch Width Dial | Adjusts stitch width for zigzag and decorative stitches (0-5 mm) |
| Reverse Sewing Lever | Secures stitches at beginning and end of seams |
| Built-in Light | Illuminates sewing area |
| Foot Pedal | Controls sewing speed |
Unpack and inspect all contents. Place on a stable, flat surface.
WARNING! Keep fingers away from needle area during setup and operation. Ensure machine is unplugged during needle/bobbin installation.
Power on machine; lower presser foot before sewing.
CAUTION! Always turn handwheel toward you (counterclockwise) to avoid timing issues. Never pull fabric while needle is in material.
Access controls on front and top of machine.
Front/Top Panel: Stitch Selector Dial, Stitch Length Dial, Stitch Width Dial, Reverse Sewing Lever, Bobbin Winder, Spool Pins, Tension Dial, Built-in Light Switch.
Stitch Guide: Chart on machine shows stitch patterns and recommended settings.
Tension Dial: Adjusts upper thread tension (4 is normal setting).
Presser Foot Lever: Raises and lowers presser foot.
Handwheel: Manually raises/lowers needle; turn toward you only.
Use Stitch Selector Dial to choose from 17 stitches.
Tip: Always test stitch on a fabric scrap to check tension and appearance.
Supports a variety of sewing projects.
WARNING! Use correct presser foot for each technique. Keep fingers clear of moving needle.
Unplug machine before any maintenance.
CAUTION! Use only recommended sewing machine oil. Never use compressed air to clean lint.
Included accessories: Zigzag Foot, Buttonhole Foot, Zipper Foot, Button Sewing Foot, Bobbins (Class 15), Needles, Screwdriver, Brush, Seam Ripper, Spool Caps.
Optional: Additional presser feet available for quilting, embroidery, etc.
Read all instructions before use. Keep away from children. Do not operate with damaged cord or plug. Always unplug when not in use, during maintenance, or when changing needles/bobbins. Do not place fingers near moving parts. Use proper ventilation if using adhesive sprays.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Machine does not run | Not plugged in / Power switch off | Check power connection; ensure foot pedal is plugged in. |
| Thread bunching underneath | Incorrect threading / Bobbin issue | Re-thread upper and lower threads; ensure bobbin inserted correctly. |
| Needle breaks | Bent needle / Incorrect insertion / Pulling fabric | Replace needle; ensure flat side to back; do not pull fabric. |
| Skips stitches | Dull/bent needle / Wrong needle type | Replace needle; use correct needle for fabric. |
| Uneven stitches | Incorrect tension / Thread quality | Adjust tension dial; use good quality thread. |
| Noisy operation | Lint buildup / Needs oiling | Clean lint from bobbin area; oil as instructed. |
| Buttonhole not forming | Incorrect foot / Steps out of order | Use Buttonhole Foot; follow 4-step sequence precisely. |
Reset: Unplug machine for 5 minutes if electronic issues occur (though mechanical, some functions may reset).
Service: For repairs, contact authorized Brother service center. Visit www.brother-usa.com or call 1-877-888-5525.