The Janome JEM 639 is a compact, lightweight sewing machine designed for beginners and portable sewing projects. It features 9 built-in stitches, easy stitch selection dial, built-in thread cutter, free arm capability, automatic bobbin winding, and adjustable stitch length and width. Powered by standard household electrical outlet, this machine is ideal for basic sewing, mending, and craft projects. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Compact sewing machine body, stitch selection dial, thread tension dial, stitch length dial, free arm, built-in thread cutter, accessory compartment.
| Feature | Description |
|---|---|
| Stitch selection dial | Selects from 9 built-in stitches |
| Thread tension dial | Adjusts upper thread tension |
| Stitch length dial | Controls stitch length (0-4mm) |
| Free arm | Removable extension table for sewing sleeves and cuffs |
| Built-in thread cutter | Convenient thread cutting on machine |
| Automatic bobbin winding | Easy bobbin preparation |
| Reverse stitch lever | For reinforcing stitches |
| Presser foot pressure dial | Adjusts pressure for different fabrics |
| Drop feed | For free-motion sewing |
| Light switch | Controls work area illumination |
Unpack and inspect contents. Place on stable, level surface.
WARNING! Keep fingers away from needle area during operation. Always turn off machine when threading or changing accessories.
Power on machine; follow step-by-step threading guide.
CAUTION! Always start with practice fabric. Ensure proper needle installation to prevent damage.
Main controls located on front and side of machine. Stitch selection dial, stitch length dial, thread tension dial, reverse stitch lever.
Dial Functions: Stitch selection (1-9 positions), stitch length (0-4mm), thread tension (0-9), presser foot pressure adjustment.
Stitch Settings: Straight stitch, zigzag, blind hem, stretch stitches, decorative stitches. Tension: Adjust for different fabric types and thread weights. Feed Dogs: Drop feed lever for free-motion work. Light: Separate switch for work area illumination.
9 built-in stitches for various sewing applications.
Tip: Always test stitch on scrap fabric before sewing project.
Step-by-step guide for common sewing tasks.
WARNING! Never pull fabric while sewing. Let feed dogs move fabric automatically.
Regular maintenance ensures optimal performance and longevity.
CAUTION! Always unplug machine before cleaning or maintenance.
Standard accessories included with Janome JEM 639.
| Accessory | Purpose |
|---|---|
| All-purpose foot | General sewing |
| Zipper foot | Installing zippers |
| Buttonhole foot | Making buttonholes |
| Bobbin (extra) | Additional bobbins |
| Needles | Replacement needles |
| Seam ripper | Removing stitches |
| Brush | Cleaning lint |
| Screwdriver | Needle plate removal |
Important safety precautions for sewing machine operation.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread breaking | Incorrect threading/tension | Re-thread machine; adjust tension |
| Skip stitches | Bent needle/wrong needle | Replace needle; check installation |
| Uneven stitches | Tension issues | Adjust upper and bobbin tension |
| Machine not running | Power connection | Check power cord and outlet |
| Fabric not feeding | Feed dogs lowered | Raise feed dogs; clean area |
| Noisy operation | Lint buildup | Clean and oil machine |
| Bobbin issues | Incorrect winding | Rewind bobbin properly |
Service: Contact authorized Janome service center for repairs.
Support: Visit www.janome.com or contact customer service.