The JMB Sewing Machine is a versatile household sewing device designed for various fabric types, featuring multiple stitch patterns, adjustable stitch length and width, built-in needle threader, free arm capability, automatic bobbin winding, and LED lighting. Powered by 110-120V AC, this machine is ideal for beginners and experienced sewers alike. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Sewing head with free arm, built-in stitch patterns, automatic needle threader, LED work light, foot pedal control, and accessory storage.
| Feature | Description |
|---|---|
| Stitch Patterns | 12 built-in stitches including straight, zigzag, and decorative |
| Stitch Length Control | Adjustable from 0-4mm |
| Stitch Width Control | Adjustable from 0-5mm |
| Automatic Needle Threader | Easy threading mechanism |
| Free Arm | For sewing cuffs and tubular items |
| LED Work Light | Bright illumination of work area |
| Bobbin Winding | Automatic bobbin winding system |
| Reverse Stitch | Button for reinforcing stitches |
| Foot Pedal | Speed control via foot pedal |
| Accessory Storage | Built-in compartment for accessories |
Unpack and inspect all components. Place on stable, level surface.
WARNING! Keep fingers away from needle area during setup. Ensure machine is unplugged when installing accessories.
Power on machine; familiarize yourself with basic controls.
CAUTION! Always start with slow speed when learning. Keep hands clear of moving needle.
Main control panel located on front of machine. Stitch selection dial, stitch length dial, stitch width dial, reverse stitch button.
Basic Controls: Power switch, stitch selection dial, stitch length dial, stitch width dial, reverse stitch button, bobbin winder.
Stitch Selection: Turn dial to select desired stitch pattern. Stitch Length: Adjust for shorter or longer stitches. Stitch Width: Control zigzag and decorative stitch width. Reverse: Hold button for backstitching. Tension: Adjust upper thread tension dial.
12 built-in stitches for various sewing applications.
Tip: Always test stitch on scrap fabric before sewing project.
Proper threading ensures smooth operation.
WARNING! Ensure machine is turned off during threading. Keep fingers away from needle area.
Regular maintenance ensures optimal performance.
CAUTION! Unplug machine before cleaning or maintenance. Use only recommended sewing machine oil.
Standard accessories included with machine.
| Accessory | Use |
|---|---|
| All-purpose Foot | General sewing |
| Zipper Foot | Installing zippers |
| Buttonhole Foot | Creating buttonholes |
| Bobbin (3) | Extra bobbins |
| Needles (assorted) | Various fabric types |
| Seam Ripper | Removing stitches |
| Brush | Cleaning lint |
Important safety precautions for safe operation.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread breaking | Incorrect threading/tension | Rethread machine; adjust tension; check for burrs on needle |
| Skipped stitches | Wrong needle/damaged needle | Replace needle; ensure correct needle for fabric |
| Uneven stitches | Incorrect tension | Adjust upper and bobbin tension; rethread |
| Machine not feeding | Presser foot pressure | Check presser foot is down; clean feed dogs |
| Noisy operation | Lint buildup/needs oiling | Clean lint; oil according to maintenance schedule |
| Needle breaking | Wrong needle/bent needle | Replace needle; check for proper installation |
Service: Contact authorized JMB service center for professional repairs.
Support: Customer service hotline: 1-800-JMB-SEWING