The Singer 3116 is a versatile sewing machine designed for home use, featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, automatic needle threader, top drop-in bobbin system, and adjustable presser foot pressure. Powered by 120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Sewing machine head, Foot pedal, Power cord, Accessory box (presser feet, bobbins, needles, seam ripper, brush), Instruction manual.
| Feature | Description |
|---|---|
| Built-in Stitches | 16 built-in stitch patterns including straight, zigzag, and decorative |
| Automatic Needle Threader | Simplifies threading the needle |
| Top Drop-in Bobbin | Easy bobbin loading with clear cover |
| Free Arm | Removable flatbed for sewing cuffs and sleeves |
| 4-Step Buttonholer | Creates perfect buttonholes automatically |
| Stitch Length/Width Control | Adjustable for different fabrics and techniques |
| Reverse Stitch Lever | For reinforcing seams |
| Presser Foot Pressure Dial | Adjustable for different fabric thicknesses |
| Built-in Light | Illuminates sewing area |
| Foot Pedal Control | Variable speed control |
Unpack and inspect all contents. Place on stable, flat surface.
WARNING! Keep fingers away from needle area during setup. Ensure machine is unplugged when installing needle.
Plug in machine and turn on power switch.
CAUTION! Always start with needle at highest position. Keep hands clear of moving needle.
Main Controls: Power switch, Stitch selector dial, Stitch length dial, Stitch width dial, Reverse stitch lever, Presser foot lifter, Handwheel.
Stitch Patterns: Straight stitch (1-4), Zigzag (5-8), Elastic stitches (9-12), Decorative stitches (13-16).
Adjustments: Stitch length (0-4mm for fine to basting), Stitch width (0-5mm for straight to wide zigzag), Presser foot pressure (adjust for fabric thickness), Tension (default 4, adjust if stitches uneven).
Standard sewing procedure for most fabrics.
Tip: Practice on scrap fabric first. Always test stitch settings before sewing project.
Recommended settings for common sewing tasks.
| Fabric/Project | Recommended Stitch | Length | Width |
|---|---|---|---|
| Lightweight (silk, chiffon) | Straight stitch (1) | 2.0 | 0 |
| Medium (cotton, linen) | Straight stitch (2) | 2.5 | 0 |
| Heavy (denim, canvas) | Straight stitch (3) | 3.0 | 0 |
| Stretch fabrics | Zigzag (5) or Elastic (9) | 2.5 | 2.0 |
| Overcasting edges | Zigzag (6) | 2.0 | 3.0 |
| Buttonholes | Buttonhole stitch | Automatic | Automatic |
| Decorative work | Decorative (13-16) | 2.5 | 3.0 |
Note: Always test on fabric scrap. Adjust tension if needed (higher number = tighter tension).
Regular maintenance ensures optimal performance.
CAUTION! Use only sewing machine oil. Never use household oils. Do not spray cleaners directly on machine.
Important safety precautions for sewing machine use.
WARNING! Risk of electric shock if used with damaged cord. Risk of injury from moving needle.
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine won't run | Not plugged in, Power switch off | Check power connection, Turn on switch |
| Needle breaks | Wrong needle, Bent needle, Pulling fabric | Replace needle, Don't pull fabric |
| Thread bunches underneath | Bobbin threaded wrong, Upper tension too loose | Rethread bobbin, Increase upper tension |
| Skips stitches | Wrong needle, Needle not inserted fully | Replace needle, Reinsert needle properly |
| Uneven stitches | Incorrect tension, Thread quality | Adjust tension, Use quality thread |
| Fabric doesn't feed | Presser foot pressure too light, Feed dogs lowered | Increase pressure, Raise feed dogs |
| Noisy operation | Lint buildup, Needs oiling | Clean lint, Oil machine |
| Buttonhole uneven | Fabric not stabilized, Incorrect settings | Use stabilizer, Follow buttonhole guide |
Reset: Unplug machine for 5 minutes to reset electronic components if issues persist.
Service: For technical support, contact Singer at 1-800-4-SINGER or visit www.singer.com