The Singer 500A Rocketeer is a classic, high-performance straight-stitch sewing machine from the 1960s, renowned for its reliability, powerful motor, and smooth operation. It features a built-in cam stack for decorative stitches, reverse stitching, adjustable stitch length and tension, drop-in bobbin system, and a variety of presser feet. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Heavy-duty metal body, built-in stitch cam stack, reverse lever, stitch length dial, tension control, drop-in bobbin, accessory box, and knee lifter bar.
| Feature | Description |
|---|---|
| Built-in Stitch Cam Stack | Provides multiple decorative stitch patterns without separate cams |
| Reverse Stitch Lever | For reinforcing seams at beginning and end |
| Stitch Length Dial | Adjustable from 0 to 20 stitches per inch (SPI) |
| Thread Tension Control | Dial for upper thread tension adjustment |
| Drop-in Bobbin System | Class 66 metal bobbins, easy to insert and remove |
| Presser Foot Pressure Dial | Adjustable for different fabric thicknesses |
| Knee Lifter Bar | Allows hands-free lifting of the presser foot |
| Power/Foot Control | Variable speed foot pedal for controlled sewing |
| Light Switch | Illuminates the sewing area |
| Carrying Handle | Integrated into the machine body for portability |
Unpack and inspect contents. Place on a sturdy, level table.
WARNING! Machine is heavy; lift with care using the handle. Ensure the table is stable to prevent tipping.
Power on machine; test on scrap fabric.
CAUTION! Keep fingers away from needle while machine is running. Always turn off power when threading or changing needle.
Access controls on the front and right side of the machine.
Front Panel: Stitch Selector Dial, Stitch Length Dial, Reverse Lever, Bobbin Winder, Tension Control Dial.
Stitch Selection: Turn dial to select straight stitch (0) or decorative pattern (1-5). Stitch Length: Adjust for fabric type (longer for basting, shorter for fine fabrics). Tension: Adjust for balanced stitches; higher number for tighter tension. Presser Foot Pressure: Adjust dial for thick or multiple layers. Reverse: Hold lever down while sewing to backstitch.
Use built-in cams for decorative stitches.
Tip: Always test stitch settings on a scrap of your project fabric first.
Proper threading is essential for smooth operation.
WARNING! Do not force the handwheel. If resistance is felt, check for thread jams or incorrect threading.
Unplug machine before cleaning. Regular maintenance ensures longevity.
CAUTION! Use only sewing machine oil. Do not use household oils. Keep machine away from moisture and extreme temperatures.
This appliance complies with relevant safety standards. The Singer 500A Rocketeer is a trademark of The Singer Manufacturing Company. For historical reference and support, visit Singer's official website or contact a certified Singer service center. This manual is for reference; machine is no longer in production.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread bunching underneath | Incorrect bobbin threading/tension | Re-thread bobbin; ensure correct unwinding direction; adjust bobbin tension. |
| Needle breaks | Wrong needle type/installation, bent needle | Install new Singer 15x1 needle correctly (flat side back); avoid pulling fabric. |
| Machine won't run | Power connection, foot control | Check plug and outlet; ensure foot control is plugged in; check for jammed mechanism. |
| Uneven stitches (skipping) | Dull/bent needle, incorrect threading | Replace needle; re-thread top and bobbin; check needle size for fabric. |
| Noise/vibration | Lint buildup, lack of oil, loose parts | Clean and oil machine; tighten needle plate and accessory screws. |
| Decorative stitches not forming | Stitch selector not engaged fully | Ensure selector dial is clicked firmly into position; check for cam engagement. |
Service: For repairs, seek a qualified technician familiar with vintage Singer machines. Original parts may be available through specialty suppliers.