The Lemair Helvetia is a high-quality sewing machine featuring precision stitching, multiple stitch patterns, adjustable stitch length and width, built-in needle threader, automatic bobbin winding, free arm capability, LED lighting, and durable metal construction. Suitable for beginners and experienced sewers alike, this machine offers reliable performance for various fabric types. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Metal frame construction, built-in stitch patterns, free arm, LED work light, automatic needle threader, drop feed for darning, and built-in bobbin winder.
| Feature | Description |
|---|---|
| Stitch Patterns | 20 built-in stitches including straight, zigzag, and decorative |
| Stitch Length | Adjustable from 0-4mm |
| Stitch Width | Adjustable from 0-5mm |
| Free Arm | For sewing sleeves and cuffs |
| LED Light | Bright illumination of work area |
| Automatic Needle Threader | Easy threading with push-button mechanism |
| Bobbin System | Top-loading with clear cover |
| Buttonhole | One-step automatic buttonhole |
| Presser Feet | Multiple included for different applications |
| Power Source | 110V AC, 60Hz |
Unpack and inspect all components. Place on stable, level surface.
WARNING! Keep fingers away from needle area during operation. Always turn off when not in use.
Power on machine; LED light will illuminate.
CAUTION! Always use proper needle for fabric type. Change needle regularly.
Main control panel: Stitch pattern selector, stitch length dial, stitch width dial, reverse stitch button.
Additional Controls: Power switch, bobbin winder position, presser foot lever, hand wheel, thread tension dial.
Stitch Selection: Rotate pattern dial to desired stitch. Stitch Length: Adjust for fabric thickness (shorter for delicate, longer for heavy). Stitch Width: Adjust for zigzag and decorative stitches. Tension: Normally set at 4; adjust if stitches are loose or tight.
Available stitches: Straight (1-3), zigzag (4), stretch stitches (5-8), decorative (9-15), blind hem (16), buttonhole (17-20).
Tip: Always test stitches on scrap fabric before starting your project.
Regular maintenance ensures optimal performance and longevity.
CAUTION! Never use compressed air; it can force lint deeper into mechanism.
Included accessories: Zigzag foot, zipper foot, buttonhole foot, button sewing foot, seam ripper, brush, needles, bobbins, spool caps, screwdriver.
UL Listed; complies with FCC Part 15 for electromagnetic compatibility. Copyright © 2025 Lemair Sewing Machines; all rights reserved. For technical support, visit www.lemair-helvetia.com or contact 1-800-555-HELP.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread breaking | Incorrect threading/tension | Rethread completely; adjust tension; check for burrs on needle |
| Skipped stitches | Wrong needle/damaged needle | Replace needle; ensure correct type for fabric |
| Machine jams | Thread buildup/improper bobbin | Clean bobbin area; reinsert bobbin correctly |
| Uneven stitches | Tension issues | Adjust upper and bobbin tension; rethread |
| No power | Power cord/foot pedal | Check connections; test outlet; inspect foot pedal cord |
Reset: Unplug for 30 seconds if electronic issues occur.
Service: 1-800-555-HELP; www.lemair-helvetia.com