Bernina 125 Sewing Machine Manual

The Bernina 125 is a high-quality sewing machine featuring precision stitching, multiple stitch patterns, adjustable stitch length and width, built-in buttonholer, free arm capability, automatic needle threader, LED lighting, and versatile presser feet options. Powered by standard household electrical outlet with voltage compatibility for your region. 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. Maintenance & Care 8. Accessories 9. Safety Information 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Precision Swiss motor, stitch selection dial, tension control, presser foot lever, bobbin winder, free arm, LED work light, automatic needle threader.

FeatureDescription
Stitch Selection DialSelect from multiple built-in stitch patterns
Tension ControlAdjust thread tension for perfect stitches
Presser Foot LeverRaise and lower presser foot
Bobbin WinderAutomatic bobbin winding system
Free ArmConvertible for sewing sleeves and cuffs
LED Work LightBright illumination of sewing area
Automatic Needle ThreaderEasy needle threading mechanism
Reverse Stitch ButtonSecure stitches at beginning and end
Stitch Length/Width ControlAdjustable stitch dimensions
Built-in ButtonholerAutomatic one-step buttonholes

Installation & Setup

Unpack and inspect contents. Place on stable sewing table.

  1. Remove protective packaging and foam inserts.
  2. Position machine on flat, stable surface at comfortable height.
  3. Connect foot control pedal to machine and power outlet.
  4. Install needle following directional markings.
  5. Wind and insert bobbin according to threading diagram.
  6. Thread upper thread using automatic needle threader.

WARNING! Machine is heavy; lift with care to avoid injury. Ensure all connections are secure before powering on.

First-Time Operation

Power on machine; test basic functions.

  1. Plug into power outlet and turn on power switch.
  2. Select straight stitch using stitch selection dial.
  3. Place fabric under presser foot and lower foot lever.
  4. Gently press foot control to begin sewing.
  5. Practice basic stitches on scrap fabric.
  6. Adjust tension and stitch length as needed.

CAUTION! Keep fingers away from moving needle. Always use proper lighting and maintain clean work area.

Specifications

Controls and Settings

Access all functions via front panel controls. Stitch Selection Dial: Choose from built-in stitch patterns. Stitch Length Dial: Adjust stitch length (0-4mm). Stitch Width Dial: Adjust stitch width (0-5mm). Tension Control: Fine-tune thread tension.

Additional Controls: Reverse Stitch Button, Presser Foot Lever, Bobbin Winder, Power Switch, Foot Control Pedal.

Stitch Settings: Straight stitch, zigzag, stretch stitches, decorative patterns. Tension: Adjust for different fabric types and thread weights. Needle Position: Center, left, and right positions available.

Stitch Selection

Supports multiple stitch types for various sewing applications.

  1. Straight Stitch: Basic sewing, seams, topstitching
  2. Zigzag Stitch: Finishing edges, appliqué, stretch fabrics
  3. Blind Hem Stitch: Nearly invisible hems
  4. Stretch Stitches: For knit and elastic fabrics
  5. Decorative Stitches: Ornamental patterns
  6. Buttonhole Stitch: Automatic one-step buttonholes

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

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

  1. Clean lint and dust from bobbin area after each project
  2. Oil moving parts as recommended in maintenance schedule
  3. Replace needle regularly (every 8-10 hours of sewing)
  4. Keep machine covered when not in use
  5. Use only recommended needles and accessories

WARNING! Unplug machine before performing any maintenance or cleaning.

Accessories

Standard accessories included: All-purpose foot, zipper foot, buttonhole foot, seam ripper, cleaning brush, spare needles, bobbins, screwdriver, duster.

Safety Information

Always unplug machine when changing needles, cleaning, or not in use. Keep fingers away from moving needle. Use proper lighting. Do not operate with damaged cord. Keep work area clean and organized.

CAUTION! Never leave machine unattended while plugged in. Keep away from children and pets.

Regulatory Information

Complies with international safety standards for sewing machines. Manufactured to Swiss precision standards. Copyright © Bernina International AG. For support, visit www.bernina.com or contact authorized Bernina dealer.

Troubleshooting

SymptomPossible CauseCorrective Action
Machine won't startPower connectionCheck power cord connection; ensure switch is on; test outlet.
Uneven stitchesTension/threadingRe-thread machine; adjust tension; check needle condition.
Thread breakingNeedle/tensionReplace needle; reduce tension; use quality thread.
Fabric not feedingPresser foot/feed dogsLower presser foot; clean feed dogs; check stitch length.
Unusual noiseLint/thread jamClean bobbin area; remove thread tangles; check for obstructions.

Service: Contact authorized Bernina service center for professional repairs.

Support: www.bernina.com or local authorized dealer

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