Bernina 740 Sewing Machine Manual

The Bernina 740 is a premium computerized sewing machine featuring advanced stitching capabilities, automatic thread tension, built-in stitches, embroidery functions, LCD display, automatic needle threader, knee lifter, and precision stitching technology. Designed for both professional and home use with robust construction and intuitive controls. 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. Technical Specifications 5. Controls and Functions 6. Stitch Selection & Settings 7. Maintenance & Care 8. Accessories & Attachments 9. Safety Information 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: LCD touch screen, automatic needle threader, built-in stitches, embroidery unit, knee lifter, dual feed system, stitch regulator.

Feature	Description
LCD Touch Screen	For stitch selection and machine settings
Automatic Needle Threader	Easy threading with push-button operation
Built-in Stitches	Over 200 stitch patterns including decorative and utility
Embroidery Unit	Optional attachment for embroidery designs
Knee Lifter	Hands-free presser foot lifting
Dual Feed System	Even fabric feeding for all materials
Stitch Regulator	Consistent stitch length for free-motion sewing
Automatic Thread Tension	Self-adjusting tension for perfect stitches
Memory Function	Save custom stitch combinations
Speed Control	Adjustable sewing speed from slow to fast

Installation & Setup

Unpack and inspect all components. Place on stable sewing table.

Remove protective covers and packaging materials
Install foot controller: Plug into machine port
Connect power: Plug machine into appropriate electrical outlet
Install needle: Ensure flat side faces correct direction
Thread machine: Follow threading guide on machine
Install bobbin: Wind and insert bobbin correctly

WARNING! Machine is heavy; use proper lifting technique. Ensure stable surface to prevent tipping.

First-Time Operation

Power on machine; follow initial setup procedure.

Select language: Use LCD menu to choose preferred language
Test stitch: Use scrap fabric to test basic straight stitch
Adjust tension: Check stitch formation and adjust if needed
Practice functions: Try different stitches and settings
Set preferences: Configure machine defaults to your liking

CAUTION! Always turn off machine when changing needles or performing maintenance.

Technical Specifications

Machine Type: Computerized Sewing Machine
Stitches: 200+ built-in stitches
Stitch Width: Up to 9mm
Stitch Length: Up to 5mm
Needle Positions: Multiple automatic positions
Speed: Up to 1000 stitches per minute
Display: Full-color LCD touch screen
Memory: Custom stitch storage capacity
Power Requirements: 110-120V AC, 60Hz
Weight: Approximately 25 lbs

Controls and Functions

Access all functions via LCD touch screen and physical controls.

Front Panel: Power switch, stitch selection buttons, reverse stitch, needle up/down, speed control slider.

LCD Functions: Stitch selection, stitch length/width adjustment, tension control, mirror imaging, memory functions, embroidery settings (with attachment).

Special Features: Automatic thread cutter, knee lifter activation, dual feed engagement, stitch regulator on/off.

Stitch Selection & Settings

Choose from utility, decorative, and specialty stitches.

Select stitch category using category buttons
Choose specific stitch from LCD display
Adjust stitch length and width as needed
Set needle position if required
Test stitch on scrap fabric before sewing project
Save favorite settings to memory for quick access

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

Maintenance & Care

Regular maintenance ensures optimal performance and longevity.

Daily: Clean lint from bobbin area and feed dogs
Weekly: Oil machine according to lubrication points diagram
Monthly: Check needle plate for burrs or damage
As needed: Replace needle regularly (every 8-10 hours of sewing)
Annual: Professional servicing recommended

WARNING! Always unplug machine before cleaning or maintenance.

Accessories & Attachments

Standard accessories included: Various presser feet, bobbins, needles, seam ripper, cleaning brush, screwdriver, foot controller.

Accessory	Purpose
Standard Foot	General sewing
Zipper Foot	Installing zippers
Buttonhole Foot	Automatic buttonholes
Walking Foot	Even feeding for difficult fabrics
Embroidery Foot	Free-motion and embroidery work

Safety Information

Always follow safety guidelines to prevent injury and machine damage.

Keep fingers away from moving needle
Unplug machine when not in use
Do not operate with damaged cord
Use proper lighting when sewing
Keep work area clean and organized
Supervise children and beginners

CAUTION! Never leave machine unattended while plugged in.

Regulatory Information

CE certified: Complies with European safety standards. UL listed: Meets US electrical safety requirements. Copyright © 2025 Bernina International AG; all rights reserved. For technical support and service, contact authorized Bernina dealers or visit www.bernina.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection	Check power cord; ensure foot controller is plugged in properly
Thread breaking	Tension/needle issues	Check thread path; replace needle; adjust tension
Uneven stitches	Threading/bobbin	Re-thread machine; check bobbin insertion; clean feed dogs
Needle breaks	Wrong needle/bent needle	Use correct needle type; ensure needle is straight
Fabric not feeding	Feed dog position	Check feed dog setting; clean feed dog area
Error messages	Machine malfunction	Consult error code manual; reset machine; contact service

Reset Procedure: Turn machine off and unplug for 30 seconds, then restart.

Service: Contact authorized Bernina service center; 1-800-BERNINA; www.bernina.com