The Singer 538 is a versatile mechanical sewing machine designed for home use, featuring a variety of built-in stitches, adjustable stitch length and width, a drop-in bobbin system, built-in buttonholer, free arm capability, and multiple presser feet for different sewing techniques. It operates on standard household power (120V AC) and includes essential accessories. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Mechanical sewing head, Stitch selection dial, Stitch length/width controls, Reverse stitch lever, Bobbin winder, Free arm, Built-in light, Foot pedal, and accessory box.
| Feature | Description |
|---|---|
| Built-in Stitches | 23 stitches including straight, zigzag, stretch, and decorative |
| Stitch Length Control | Adjustable from 0 to 4 mm |
| Stitch Width Control | Adjustable from 0 to 5 mm for zigzag and decorative stitches |
| Drop-in Bobbin | Top-loading, clear cover for easy monitoring |
| Buttonhole Foot | One-step automatic buttonholer |
| Free Arm | Removable accessory tray for sewing cuffs and sleeves |
| Presser Feet | Includes all-purpose, zipper, buttonhole, and button sewing feet |
| Reverse Stitch Lever | For reinforcing seams at beginning and end |
| Built-in Light | Illuminates sewing area |
| Power/Speed Control | Foot pedal with variable speed |
Unpack all contents carefully. Place machine on a stable, flat surface.
WARNING! Keep fingers away from needle area during setup and operation. Ensure machine is unplugged during needle installation.
Plug in machine and turn on power switch (if equipped).
CAUTION! Always lower presser foot before sewing. Start at slow speed to get accustomed to machine.
Main controls located on front and right side of machine.
Stitch Selection Dial: Turn to select stitch pattern (symbols correspond to stitch type). Stitch Length Dial: Adjust for shorter/longer stitches (higher number = longer stitch). Stitch Width Dial: Adjust for wider/narrower zigzag (0 for straight stitch). Reverse Stitch Lever: Press and hold to sew in reverse. Handwheel: Turn toward you to manually raise/lower needle. Presser Foot Lever: Raises and lowers presser foot. Tension Dial: Adjust upper thread tension (usually set to 4 for balanced stitches).
Tip: Refer to stitch guide printed on machine for recommended settings for each stitch.
Follow these steps for common sewing tasks.
WARNING! Never pull fabric while sewing; let feed dogs move it. Keep fingers away from moving needle.
| Stitch Symbol | Name | Typical Use | Recommended Settings |
|---|---|---|---|
| ━━━━ | Straight Stitch | Seams, topstitching | Length: 2–2.5, Width: 0 |
| ⎺⎺⎺⎺ | Zigzag Stitch | Overcasting, stretch fabrics | Length: 2, Width: 3–4 |
| ⎺⎺⎺⎺ (narrow) | Blind Hem Stitch | Hems on garments | Length: 2, Width: 2 |
| ▯▯▯▯ | Multiple Zigzag | Elastic application, decorative | Length: 1.5, Width: 4 |
| [ ] | Buttonhole | Creating buttonholes | Automatic (use buttonhole foot) |
Adjust tension if stitches appear loose or puckered.
Unplug machine before any maintenance.
CAUTION! Do not use compressed air; it can force lint into mechanics. Use only sewing machine oil.
Store accessories in provided tray or case.
FCC Part 15: Class B device; complies with residential interference limits. Copyright © Singer Manufacturing Co. For support, visit www.singer.com or contact 1-800-4-SINGER.
Important Safety Rules:
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Machine does not run | Not plugged in / Power switch off | Check power connection; ensure switch is on. |
| Thread bunching underneath | Incorrect bobbin threading / Upper tension too tight | Re-thread bobbin; reduce upper tension. |
| Needle breaks | Wrong needle type / Bent needle / Fabric pulled | Replace with correct needle; do not pull fabric. |
| Uneven stitches | Incorrect tension / Dirty feed dogs | Adjust tension dial; clean feed dogs. |
| Machine skips stitches | Dull/bent needle / Incorrect threading | Replace needle; re-thread top and bobbin. |
| Noise/vibration | Lint buildup / Needle hitting foot | Clean bobbin area; ensure needle is properly inserted. |
Reset: Unplug for 5 minutes if electronic controls behave unexpectedly.
Service: 1-800-4-SINGER; www.singer.com for authorized service centers.