Janome Sewing Machine Model 3128 Manual

The Janome Sewing Machine Model 3128 is a versatile mechanical sewing machine featuring 8 built-in stitches, 4-step buttonhole, drop feed for free-motion sewing, built-in thread cutter, stitch length and width adjustment, reverse sewing function, and built-in light. Powered by 120V AC, this machine is ideal for beginners and experienced sewers alike with its easy-to-use controls and reliable performance. Below are key sections for safety, features, setup, operation, and maintenance.

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

Features at a Glance

Key components: Mechanical sewing machine with 8 built-in stitches, reverse lever, stitch length/width dials, built-in thread cutter, free arm, and accessory storage.

FeatureDescription
Built-in stitches8 essential stitches including straight, zigzag, and stretch stitches
4-step buttonholeEasy buttonhole creation in four simple steps
Drop feedLower feed dogs for free-motion sewing and darning
Built-in thread cutterConvenient thread cutting on the machine
Stitch length adjustmentAdjustable from 0-4mm for different fabric types
Stitch width adjustmentAdjustable from 0-5mm for zigzag and decorative stitches
Reverse sewing leverReinforce stitches at beginning and end of seams
Free armRemovable accessory storage for sewing cuffs and sleeves
Built-in lightIlluminates sewing area for better visibility
Accessory storageBuilt-in compartment for feet, bobbins, and needles

Installation & Setup

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

  1. Remove machine from packaging: Lift machine by base, not handwheel.
  2. Install foot controller: Plug into machine's foot controller port.
  3. Connect power: Plug power cord into machine and wall outlet.
  4. Install needle: Loosen needle clamp screw, insert needle with flat side to back.
  5. Wind bobbin: Place bobbin on winder, thread through tension disc.
  6. Insert bobbin: Drop bobbin into case with thread unwinding counterclockwise.

WARNING! Machine is heavy; lift with care. Keep fingers away from needle area during operation.

First-Time Operation

Power on machine; follow these steps for initial setup.

  1. Thread upper thread: Follow numbered threading guide on machine.
  2. Pull up bobbin thread: Hold upper thread, turn handwheel toward you.
  3. Select stitch: Turn stitch selection dial to desired pattern.
  4. Adjust stitch length: Set for fabric type (2.5mm for medium fabrics).
  5. Test sew: Use scrap fabric to check tension and stitch quality.
  6. Practice basic stitches: Straight stitch and zigzag first.

CAUTION! Always turn handwheel toward you. Never force the machine.

Specifications

Controls and Settings

Access all functions via front panel controls and dials.

Main Controls: Stitch selection dial, stitch length dial, stitch width dial, reverse lever, handwheel, power/light switch.

Stitch Selection: Turn dial to select from 8 built-in stitches. Stitch Length: Adjust from 0 (darning) to 4mm (basting). Stitch Width: Adjust zigzag width from 0-5mm. Reverse: Hold lever for backstitching. Tension: Upper thread tension dial (4 for normal sewing). Presser Foot Pressure: Fixed for general sewing.

Stitch Selection

Choose from 8 essential stitches for various sewing projects.

  1. Straight Stitch: Position 1 - Basic sewing, topstitching
  2. Zigzag Stitch: Position 2 - Finishing edges, appliqué
  3. Stretch Stitch: Position 3 - Knits and stretch fabrics
  4. Blind Hem: Position 4 - Nearly invisible hems
  5. Shell Stitch: Position 5 - Decorative edge finishing
  6. Multiple Zigzag: Position 6 - Mending, elastic application
  7. Overedge Stitch: Position 7 - Seam finishing
  8. Basting Stitch: Position 8 - Temporary stitching

Tip: Always test stitches on scrap fabric before starting your project.

Basic Sewing Techniques

Master these fundamental techniques for successful sewing.

  1. Straight Seam: Guide fabric with even pressure, use seam guide.
  2. Zigzag Finish: Sew along raw edges to prevent fraying.
  3. Buttonhole: Mark position, use 4-step process with buttonhole foot.
  4. Zipper Installation: Use zipper foot for invisible and centered zippers.
  5. Gathering: Use longest stitch length, pull bobbin thread to gather.
  6. Free Motion: Drop feed dogs for quilting and darning.
  7. Reverse Stitching: Use reverse lever to secure seam ends.

WARNING! Keep fingers away from moving needle. Always watch the needle area.

Maintenance & Cleaning

Regular maintenance ensures optimal performance and longevity.

  1. Daily: Brush out lint from bobbin area and feed dogs.
  2. Weekly: Oil hook race and moving parts (use sewing machine oil only).
  3. Monthly: Clean tension discs with folded fabric or dental floss.
  4. As needed: Replace needle after 8-10 hours of sewing.
  5. Storage: Cover machine when not in use to prevent dust buildup.

CAUTION! Unplug machine before cleaning or maintenance. Use only recommended oils.

Troubleshooting

SymptomPossible CauseCorrective Action
Thread breakingIncorrect threading/tensionRethread completely; check for burrs on needle.
Needle breakingWrong needle/bent needleReplace needle; ensure inserted correctly.
Skipped stitchesDull needle/wrong needle typeReplace needle; use correct type for fabric.
Uneven stitchesIncorrect tensionAdjust upper tension; rethread bobbin.
Machine jamsThread buildup in bobbinRemove bobbin case; clean thoroughly.
No powerLoose connections/foot controlCheck all plugs; test foot controller.

Reset: Unplug for 5 minutes if electronic issues occur.

Warranty Information

Janome 3128 comes with 25-year limited warranty covering mechanical parts. Warranty does not cover needles, belts, light bulbs, or damage from misuse. For service, contact authorized Janome dealer or visit www.janome.com. Keep original receipt for warranty claims.

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