Kenmore Model 148 Sewing Machine Manual

The Kenmore Model 148 is a versatile mechanical sewing machine featuring multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, drop feed for darning and quilting, built-in light, and reverse stitching. Powered by 120V AC, this machine is ideal for home sewing projects with easy-to-use controls and durable construction. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Stitch Selection 7. Threading & Bobbin 8. Maintenance & Cleaning 9. Accessories 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: Mechanical sewing machine with built-in stitches, free arm, drop feed, buttonholer, and reverse function.

FeatureDescription
Stitch PatternsMultiple built-in stitches including straight, zigzag, and decorative
Stitch Length ControlAdjustable from 0-4mm
Stitch Width ControlAdjustable from 0-5mm for zigzag stitches
Built-in ButtonholerOne-step automatic buttonhole
Free ArmRemovable extension table for sewing cuffs and sleeves
Drop FeedLowers feed dogs for darning and free-motion quilting
Reverse StitchBuilt-in reverse for securing stitches
Built-in LightIlluminates sewing area
Power SwitchTurns machine on/off
Foot PedalControls sewing speed

Installation & Setup

Unpack and inspect contents. Place on stable surface at comfortable height.

  1. Remove machine from packaging and all protective materials
  2. Place on sturdy table or sewing cabinet
  3. Connect foot pedal to machine and plug into power outlet
  4. Install needle and thread machine according to threading diagram
  5. Wind and insert bobbin

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

First-Time Operation

Power on machine; test basic functions.

  1. Turn power switch to ON position
  2. Select straight stitch with medium length (2.5mm)
  3. Practice sewing on scrap fabric
  4. Test reverse stitch function
  5. Experiment with different stitch patterns
  6. Practice thread tension adjustments

CAUTION! Always use proper needle for fabric type. Replace bent or damaged needles immediately.

Specifications

Controls and Settings

Main controls located on front and side of machine.

Stitch Selector: Dial for choosing stitch patterns. Stitch Length Dial: Controls stitch length (0-4mm). Stitch Width Dial: Controls zigzag width (0-5mm). Reverse Lever: Hold for reverse stitching. Bobbin Winder: Winds bobbin automatically.

Thread Tension: Adjust with tension dial (0-9). Presser Foot Pressure: Adjustable for different fabrics. Feed Dog Control: Lever to raise/lower feed dogs.

Stitch Selection

Ten built-in stitches for various sewing applications.

  1. Straight Stitch: Basic sewing (length 0-4mm)
  2. Zigzag Stitch: Overcasting and decorative (width 0-5mm)
  3. Blind Hem Stitch: Nearly invisible hems
  4. Stretch Stitch: For knit fabrics
  5. Decorative Stitches: Multiple pattern options
  6. Buttonhole: Automatic one-step
  7. Satin Stitch: Close zigzag for appliqué
  8. Shell Stitch: Decorative edge finishing
  9. Multiple Zigzag: For elastic and mending
  10. Basting Stitch: Long stitches for temporary sewing

Tip: Always test stitch on scrap fabric before sewing project.

Threading & Bobbin

Proper threading essential for good stitch quality.

  1. Raise presser foot and needle to highest position
  2. Follow numbered threading path on machine
  3. Thread through tension discs
  4. Insert thread through needle eye front to back
  5. Wind bobbin: Place thread on spool pin, wind following guide
  6. Insert bobbin: Drop-in style, follow direction arrows
  7. Pull up bobbin thread by holding needle thread and turning handwheel

WARNING! Ensure machine is off when threading. Use quality thread to avoid jams.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Unplug machine before cleaning
  2. Remove needle plate and clean lint buildup
  3. Oil moving parts as directed in manual
  4. Wipe exterior with soft, dry cloth
  5. Check and replace needle regularly
  6. Store with cover when not in use

CAUTION! Never use compressed air to clean machine. Use only sewing machine oil.

Accessories

Standard accessories included with machine.

AccessoryUse
Zigzag FootGeneral purpose sewing
Buttonhole FootAutomatic buttonholes
Zipper FootInstalling zippers
Button Sewing FootSewing on buttons
Darning PlateCover feed dogs for darning
Spool PinsHold thread spools
Bobbin (extra)Additional bobbins
NeedlesAssorted sizes
Lint BrushCleaning machine
ScrewdriverAdjustments and needle plate removal

Warranty Information

Limited warranty covering defects in materials and workmanship. Warranty period: 25 years for mechanical parts, 2 years for electrical components. Proof of purchase required. Does not cover damage from misuse, improper maintenance, or commercial use. For service, contact authorized Kenmore service centers.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingImproper threading/tensionRethread completely; adjust tension; check for burrs on needle
Skip stitchesWrong needle/damaged needleReplace needle; ensure correct type for fabric
Machine jamsLint buildup/thread tangleClean bobbin area; remove tangled thread; rethread
Uneven stitchesTension issuesAdjust upper and bobbin tension; check threading
No powerPower connectionCheck power cord; ensure switch is on; test outlet
Needle breaksWrong needle/bent needleReplace needle; ensure properly inserted; check for obstruction
Fabric not feedingFeed dogs loweredRaise feed dogs; check presser foot pressure
Poor buttonholesImproper foot/stabilizerUse buttonhole foot; add stabilizer; check stitch setting

Service: Contact authorized Kenmore service center for repairs.

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