Manual for a Sears Kenmore Sewing Machine Model 148.12191

The Sears Kenmore Sewing Machine Model 148.12191 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 manual covers safety instructions, machine features, setup, threading, basic operations, maintenance, and troubleshooting for optimal performance.

1. Features at a Glance 2. Installation and Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Threading the Machine 7. Basic Sewing Operations 8. Maintenance and Cleaning 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Stitch pattern selector, stitch length dial, stitch width dial, reverse lever, bobbin winder, tension control, presser foot, free arm.

FeatureDescription
Stitch Pattern SelectorSelects from multiple built-in stitch patterns
Stitch Length DialAdjusts stitch length from 0-4mm
Stitch Width DialAdjusts zigzag stitch width from 0-5mm
Reverse LeverEnables reverse stitching for securing seams
Bobbin WinderAutomatically winds bobbin with thread
Tension ControlAdjusts upper thread tension for balanced stitches
Presser FootHolds fabric in place during sewing
Free ArmRemovable extension for sewing cuffs and sleeves
Built-in ButtonholerCreates perfect buttonholes automatically
Variable Speed ControlFoot pedal controls sewing speed

Installation and Setup

Unpack and inspect all components. Place on stable, level surface.

  1. Remove machine from packaging: Lift carefully from carrying case.
  2. Position machine: Place on sturdy table with adequate workspace.
  3. Connect foot pedal: Plug into machine's pedal port.
  4. Connect power: Plug power cord into electrical outlet.
  5. Install accessories: Attach presser foot, insert needle properly.

WARNING! Keep fingers away from needle area during operation. Always unplug when not in use.

First-Time Operation

Power on machine; follow setup procedures.

  1. Thread upper thread: Follow threading guide printed on machine.
  2. Wind bobbin: Place bobbin on winder, guide thread through tension disc.
  3. Insert bobbin: Place bobbin in case with thread pulling counterclockwise.
  4. Select stitch: Turn pattern selector to desired stitch.
  5. Test sew: Use scrap fabric to test tension and stitch quality.

CAUTION! Always start with needle in highest position. Use proper needle for fabric type.

Specifications

Controls and Settings

Front Panel: Stitch pattern selector, stitch length dial, stitch width dial, reverse lever.

Additional Controls: Bobbin winder stop, tension dial, presser foot lever, hand wheel.

Stitch Selection: Turn pattern dial to select straight, zigzag, stretch, or decorative stitches. Stitch Length: Adjust for fabric type (shorter for delicate, longer for heavy). Stitch Width: Control zigzag width for decorative effects. Tension: Adjust for balanced stitches (higher numbers for tighter tension). Reverse: Hold lever for backstitching at seam ends.

Threading the Machine

Upper Thread: Follow numbered guide from spool pin to needle.

  1. Raise presser foot and needle to highest position.
  2. Place thread spool on spool pin.
  3. Guide thread through first thread guide.
  4. Pull thread down and through tension discs.
  5. Thread take-up lever from right to left.
  6. Guide through remaining thread guides.
  7. Thread needle from front to back.

Tip: Always thread with presser foot raised to open tension discs.

Basic Sewing Operations

Supports various fabrics and sewing techniques.

  1. Straight Stitch: Select straight stitch pattern, adjust length as needed.
  2. Zigzag Stitch: Select zigzag, adjust width for finishing edges.
  3. Buttonholes: Use 4-step buttonholer with special foot.
  4. Reverse Stitching: Hold reverse lever to secure seam ends.
  5. Free Arm Sewing: Remove extension for sleeves and cuffs.
  6. Gathering: Use longer stitch length with tight upper tension.
  7. Blind Hem: Use blind hem stitch with special foot.
  8. Decorative Stitches: Select pattern and practice on scrap fabric.

WARNING! Never pull fabric through machine - let feed dogs move fabric.

Maintenance and Cleaning

Unplug before maintenance. Regular cleaning ensures optimal performance.

  1. Remove needle plate: Clean lint from feed dogs and bobbin area.
  2. Oil moving parts: Use sewing machine oil on hook race and moving parts.
  3. Change needle regularly: Replace after 8-10 hours of sewing.
  4. Check belt tension: Ensure proper motor belt tension.
  5. Store properly: Cover machine when not in use.

CAUTION! Use only sewing machine oil. Never use household oils.

Regulatory Information

UL Listed: Complies with safety standards for household sewing machines. Copyright © Sears Brands, LLC. For technical support, contact Sears Parts & Repair at 1-800-469-4663 or visit www.searspartsdirect.com. Made for household use only.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRethread completely; adjust tension; check for burrs on needle.
Skip stitchesWrong needle/damaged needleReplace needle; ensure correct needle for fabric type.
Bobbin thread bunchingIncorrect bobbin insertionRemove and reinsert bobbin; check bobbin case.
Machine not feeding fabricFeed dogs lowered/dirtyRaise feed dogs; clean feed dog area of lint.
Uneven stitchesTension imbalanceAdjust upper and bobbin tension; rethread both.
Machine noisyLack of oil/lint buildupClean and oil machine; check for loose parts.
Needle breaksWrong needle/bent needleReplace needle; ensure needle is inserted correctly.

Reset: Unplug for 5 minutes to reset electronic components.

Service: 1-800-469-4663; www.searspartsdirect.com

Manual for Sears Kenmore Sewing Machine Model 148.12191 © - All Rights Reserved 2025