The Sears Sewing Machine Model 158 is a versatile household sewing machine featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, reverse stitching, and variable speed control. This mechanical sewing machine operates on standard household current and includes accessories such as various presser feet, bobbins, needles, and a seam ripper. Below are key sections covering safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Mechanical sewing head, stitch pattern dial, stitch length control, stitch width control, reverse lever, free arm, built-in light, foot pedal control.
| Feature | Description |
|---|---|
| Stitch Pattern Dial | Selects from multiple built-in stitch patterns |
| Stitch Length Control | Adjusts stitch length from 0-4mm |
| Stitch Width Control | Adjusts zigzag width from 0-5mm |
| Reverse Stitch Lever | Engages reverse stitching for seam reinforcement |
| Free Arm | Removable flat bed for sewing cuffs and sleeves |
| Built-in Buttonholer | One-step automatic buttonhole function |
| Variable Speed Control | Foot pedal controls sewing speed |
| Built-in Light | Illuminates sewing area |
| Bobbin Winder | Built-in bobbin winding mechanism |
| Presser Foot Pressure | Adjustable for different fabric types |
Unpack and inspect all components. Place on stable, level surface.
WARNING! Keep fingers away from needle area during operation. Always turn off when not in use.
Power on machine; test basic functions.
CAUTION! Always start with needle in highest position. Keep work area well-lit.
Main controls located on front and side of machine.
Front Panel: Stitch pattern dial, stitch length control, stitch width control, reverse lever, bobbin winder.
Stitch Selection: Rotate pattern dial to desired stitch. Stitch Length: Turn knob for longer/shorter stitches. Stitch Width: Adjust for zigzag and decorative stitches. Reverse: Hold lever for backward stitching. Tension Control: Adjust upper thread tension (3-9 range). Presser Foot Pressure: Adjust for light/heavy fabrics.
Pattern dial offers multiple stitch options.
Tip: Always test stitch on scrap fabric before sewing project.
Proper threading ensures smooth operation.
WARNING! Ensure machine is off during threading. Keep threads clean and untangled.
Regular maintenance ensures optimal performance.
CAUTION! Unplug machine before cleaning or maintenance. Use only sewing machine oil.
Standard accessories included with machine.
| Accessory | Use |
|---|---|
| All-Purpose Foot | General sewing |
| Zigzag Foot | Decorative stitches |
| Buttonhole Foot | Automatic buttonholes |
| Zipper Foot | Installing zippers |
| Button Sewing Foot | Sewing on buttons |
| Bobbin (4) | Extra bobbins |
| Needles (5) | Assorted sizes |
| Seam Ripper | Removing stitches |
| Brush | Lint cleaning |
| Screwdriver | Adjustments |
UL Listed for household use. Complies with FCC regulations for electromagnetic compatibility. Copyright © Sears, Roebuck and Co. For technical support, contact Sears Customer Service at 1-800-469-4663 or visit www.sears.com.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Thread breaking | Incorrect threading/tension | Rethread completely; adjust tension; check for burrs on needle |
| Skip stitches | Wrong needle/damaged needle | Replace needle; ensure correct needle for fabric type |
| Bobbin thread bunching | Incorrect bobbin threading | Rethread bobbin; check bobbin case for lint |
| Machine won't run | Power/pedal issue | Check power connection; test foot pedal; check fuse |
| Uneven stitches | Tension issues | Adjust upper and bobbin tension; clean tension discs |
| Noisy operation | Lint/lack of oil | Clean and oil machine; check for loose parts |
Reset: Turn off machine, wait 30 seconds, restart.
Service: 1-800-469-4663; authorized Sears service centers