The Singer 5525 is a versatile heavy-duty sewing machine designed for home use, featuring a powerful motor, 25 built-in stitches, one-step buttonhole, automatic needle threader, adjustable stitch length and width, drop-in bobbin system, built-in free arm, and multiple presser feet. It operates on 120V AC, 60Hz. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Heavy-duty metal frame, Stitch selection dial, Stitch length/width controls, Reverse stitch lever, Bobbin winder, Automatic needle threader, Free arm, Accessory storage.
| Feature | Description |
|---|---|
| Built-in Stitches | 25 stitches including straight, zigzag, stretch, and decorative |
| One-Step Buttonhole | Automatically creates buttonholes of consistent size |
| Automatic Needle Threader | Easily threads needle with a lever |
| Drop-in Bobbin | Top-loading, clear-view bobbin system |
| Free Arm | Removable accessory tray for sewing cuffs and sleeves |
| Stitch Length/Width Control | Adjustable for each stitch pattern |
| Presser Feet | Includes all-purpose, zipper, buttonhole, and button sewing feet |
| Power/Speed Control | Foot pedal with variable speed control |
| Light | Built-in LED light for work area |
| Reverse Stitch | Lever for reinforcing stitches at beginning and end |
Unpack and inspect all contents. Place on a stable, flat surface.
WARNING! Machine is heavy; use both hands when lifting. Ensure work area is well-lit and free of obstructions.
Power on machine using power switch; LED light will illuminate.
CAUTION! Keep fingers away from needle while machine is running. Always turn power off when threading or changing needle.
Access controls via front panel and dials.
Front Panel: Power switch, Stitch selection dial, Stitch length control, Stitch width control, Reverse stitch lever, Bobbin winder stop, Handwheel.
Stitch Selection: Turn dial to select from 25 stitches (straight, zigzag, blind hem, stretch, decorative). Stitch Length: Adjusts from 0-4mm (0 for darning). Stitch Width: Adjusts from 0-5mm for zigzag and decorative stitches. Reverse Stitch: Hold lever to sew in reverse for reinforcement. Tension Control: Dial for upper thread tension (default 4).
Select stitch based on fabric and project type.
Tip: Always test stitch on a scrap of project fabric first.
Proper threading is essential for smooth operation.
WARNING! Ensure presser foot is raised when threading to open tension disks. Always use same thread type in bobbin and needle.
Unplug machine before cleaning. Regular maintenance ensures optimal performance.
CAUTION! Do not use compressed air as it can force lint deeper. Use only Singer-recommended oil.
UL Listed: Complies with safety standards. Copyright © Singer Manufacturing Company. Trademarks of Singer. For support, visit www.singer.com or contact 1-800-4-SINGER.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread bunching underneath | Incorrect threading/bobbin | Re-thread upper and bobbin thread; ensure bobbin inserted correctly. |
| Needle breaks | Wrong needle/bent needle | Replace needle; ensure it is inserted fully and straight. |
| Machine skips stitches | Dull needle/wrong needle type | Replace needle with correct type for fabric (universal, ballpoint, denim). |
| Uneven stitches | Incorrect tension | Adjust tension dial; re-thread; clean tension disks. |
| Machine won't run | Power/thread jam | Check power connection; remove fabric and cut threads to clear jam. |
| Noisy operation | Lint/oil needed | Clean and oil machine as per maintenance section. |
| Buttonhole not forming | Improper foot/threading | Use buttonhole foot; ensure proper threading and tension. |
Reset: Unplug machine for 60 seconds to reset electronic components if applicable.
Service: 1-800-4-SINGER; www.singer.com for authorized service centers.