The Singer 3116 is a mechanical, straight-stitch sewing machine designed for beginners and home sewers. It features a built-in stitch selector, adjustable stitch length, reverse sewing, four-step buttonhole, free arm capability, built-in thread cutter, and drop feed for darning and free-motion sewing. Powered by a foot pedal, it includes essential accessories for basic sewing tasks. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Sewing machine head, Foot pedal and power cord, Bobbins, Needles, Seam ripper/Lint brush, Darning plate, Screwdriver.
| Feature | Description |
|---|---|
| Built-in Stitch Selector | Dial for selecting straight stitch, zigzag, and decorative stitches |
| Adjustable Stitch Length | Control dial for stitch length adjustment (0-4 mm) |
| Reverse Sewing Lever | For reinforcing seams at beginning and end |
| Four-Step Buttonhole | Manual buttonhole creation in four steps |
| Free Arm | Removable accessory tray for sewing sleeves and cuffs |
| Drop Feed Dog | Lever to lower feed dogs for darning and free motion |
| Built-in Thread Cutter | Blade on faceplate for cutting threads |
| Bobbin Winding System | Built-in bobbin winder on machine |
| Stitch Width Adjustment | Dial for zigzag stitch width (0-5 mm) |
| Tension Control Dial | Upper thread tension adjustment (0-9) |
Unpack and inspect all contents. Place on stable, flat surface.
WARNING! Keep fingers away from needle area during operation. Unplug machine when not in use or during maintenance.
Plug in machine; place fabric under presser foot.
CAUTION! Always turn handwheel toward you (counterclockwise) to avoid timing issues.
Main Controls: Stitch selector dial, Stitch length dial, Stitch width dial, Reverse lever, Handwheel, Bobbin winder spindle, Tension control dial, Presser foot lifter.
Stitch Guide: Straight stitch (position 1), Zigzag (position 3-5), Blind hem (position 6), Decorative (position 2,4).
Tension: Adjust for balanced stitches (upper thread visible on bottom = decrease tension; bobbin thread visible on top = increase tension). Bobbin Winding: Place thread on spool pin, guide through tension disc, wind onto bobbin until full. Needle Replacement: Ensure flat side of needle shank faces back; tighten securely.
For seams, hems, and repairs.
Tip: Practice on scrap fabric to test tension and stitch length.
Four-step process for standard buttonholes.
WARNING! Always practice on scrap fabric first. Ensure stitch width is appropriate for button size.
Unplug machine before cleaning. Remove lint and dust regularly.
CAUTION! Do not use compressed air; it can force lint deeper. Use only sewing machine oil.
| Accessory | Quantity | Use |
|---|---|---|
| All-Purpose Foot | 1 | General sewing |
| Buttonhole Foot | 1 | Making buttonholes |
| Zipper Foot | 1 | Inserting zippers |
| Bobbin (Class 15) | 3-5 | Holding lower thread |
| Needles (size 11/80) | 3-5 | For woven fabrics |
| Seam Ripper/Lint Brush | 1 | Removing stitches/cleaning |
| Darning Plate | 1 | Covers feed dogs for darning |
| Screwdriver | 1 | For needle plate removal/adjustments |
| Spool Pin Felt | 1 | Prevents thread tangling on spool pin |
Important safety precautions for operation.
DANGER! Never operate with damaged cord or plug. Discontinue use if machine emits smoke, unusual odor, or excessive noise.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread bunching underneath | Incorrect threading/bobbin | Re-thread top and bobbin; ensure bobbin inserted correctly. |
| Needle breaks | Wrong needle size/bent needle | Replace needle; ensure it is inserted fully and straight. |
| Machine won't run | Not plugged in/foot pedal issue | Check power connection; ensure foot pedal cord is secure. |
| Uneven stitches | Incorrect tension/dirty machine | Adjust tension dial; clean feed dogs and bobbin area. |
| Fabric not feeding | Presser foot up/feed dogs down | Lower presser foot; check drop feed lever is in up position. |
| Thread breaks frequently | Old thread/incorrect tension | Use new, good quality thread; reduce tension slightly. |
| Noisy operation | Lack of oil/lint buildup | Oil machine as per manual; clean lint from hook area. |
Reset: Unplug machine for 5 minutes if electronic issues occur (though mechanical, resets timing).
Service: For repairs, contact authorized Singer service center. Visit www.singer.com or call 1-800-4-SINGER.