The Singer HD44S is a heavy-duty sewing machine designed for tackling tough fabrics like denim, leather, canvas, and multiple layers. It features a powerful motor, metal interior frame, adjustable presser foot pressure, built-in stitches, automatic needle threader, drop feed for free-motion sewing, and a variety of included accessories. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Heavy-duty metal frame, Powerful motor, Automatic needle threader, Adjustable presser foot pressure, Drop feed lever, Built-in LED light, Accessory storage.
| Feature | Description |
|---|---|
| Motor | High-torque, powerful motor for heavy fabrics |
| Frame | Full metal interior frame for stability and reduced vibration |
| Stitches | Built-in utility stitches (straight, zigzag, blind hem, etc.) |
| Needle Threader | Automatic, easy-threading system |
| Presser Foot Pressure | Adjustable dial for different fabric thicknesses |
| Drop Feed | Lever to lower feed dogs for free-motion sewing/darning |
| LED Light | Bright light over needle area |
| Bobbin System | Top drop-in, class 15 transparent bobbin |
| Stitch Length/Width | Adjustable dials |
| Included Feet | All-purpose foot, zipper foot, buttonhole foot, etc. |
Unpack all contents carefully. Place on a sturdy, flat table.
WARNING! Machine is heavy; use care when lifting. Ensure work area is well-lit and stable.
Plug in power cord. Turn power switch ON.
CAUTION! Keep fingers away from moving needle. Always turn power off when threading or changing needle.
Main Controls: Power switch/light, Stitch selection dial, Stitch length dial, Stitch width dial, Reverse stitch lever, Bobbin winder spindle, Handwheel.
Special Functions: Automatic needle threader (lever), Presser foot pressure dial, Drop feed lever, Free arm (accessory tray removable).
Stitch Settings: Length (0-4 mm), Width (0-5 mm). Tension: Adjust upper thread tension dial (2-6 for most fabrics). Needle: Use Singer needles size 14/90 or 16/100 for heavy fabrics.
Refer to stitch chart on machine. Common uses:
Tip: Always test stitch and tension on a fabric scrap before starting your project.
Unplug machine before any maintenance.
WARNING! Do not use compressed air to clean; it can force lint deeper. Use only recommended oil.
FCC Compliance: This device complies with Part 15 of the FCC Rules. Copyright © Singer Sewing Company. All rights reserved. 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 top and bobbin; ensure bobbin is inserted correctly. |
| Needle breaks | Wrong needle/bent needle/fabric pull | Use correct needle type/size; don't pull fabric; insert needle fully. |
| Machine skips stitches | Dull needle/incorrect needle/thread | Change needle; use quality thread appropriate for fabric. |
| Machine is noisy | Lint/dust/lack of oil | Clean and oil machine as per manual. |
| Fabric not feeding | Feed dogs lowered/stitch length set to 0 | Raise feed dogs (drop feed lever up); adjust stitch length. |
Reset: Turn power off, unplug for 60 seconds, then restart.
Service: 1-800-4-SINGER; www.singer.com