Bernette 740e Sewing Machine Manual

The Bernette 740e is a computerized sewing machine with 70 built-in stitches, automatic needle threader, one-step buttonhole, LCD display, speed control slider, start/stop button, drop feed, free arm capability, and built-in LED lighting. Features include stitch selection dial, reverse stitch button, bobbin winding system, and multiple presser feet. Powered by 120V AC, 60Hz. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Accessories 7. Basic Sewing Operations 8. Advanced Functions 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Computerized control panel, automatic needle threader, drop-in bobbin system, free arm, LED work light, accessory storage.

Feature	Description
Built-in stitches	70 stitches including utility, decorative, and stretch
Automatic needle threader	Easy threading with push-button operation
One-step buttonhole	Automatic buttonhole sizing and stitching
LCD display	Shows stitch selection and settings
Speed control slider	Adjustable sewing speed
Start/stop button	Sew without foot control
Drop feed	Free-motion sewing capability
Free arm	For sewing sleeves and cuffs
LED lighting	Bright illumination of work area
Reverse stitch	Reinforce seams with reverse stitching

Installation

Unpack and inspect contents. Place on stable sewing table.

Remove packaging materials and protective covers.
Attach power cord to machine and plug into AC outlet.
Install foot control pedal if using traditional operation.
Wind bobbin and insert into bobbin case.
Thread machine using automatic needle threader.

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

First-Time Setup

Power on machine; follow initial setup procedure.

Select language: Use menu button to set display language.
Wind first bobbin: Follow bobbin winding instructions.
Thread machine: Use automatic needle threader for ease.
Test stitches: Try basic straight stitch on scrap fabric.
Adjust tension: Test on fabric scrap and adjust as needed.

CAUTION! Always use proper needle for fabric type. Change needle regularly.

Specifications

Stitches: 70 built-in stitches
Buttonholes: One-step automatic
Needle Positions: Adjustable left/right
Stitch Length: 0-4mm adjustable
Stitch Width: 0-7mm adjustable
Max Sewing Speed: 820 stitches per minute
Bobbin: Drop-in top loading
Presser Feet: Multiple included (zigzag, zipper, buttonhole)
Power Source: 120V AC, 60Hz
Weight: 15.4 lbs (7 kg)

Controls and Settings

Access functions via LCD display and control buttons. Front Panel: Power switch, stitch selection dial, reverse button, needle up/down.

Display Controls: Stitch selection, stitch length/width adjustment, mirror image, memory functions.

Basic Settings: Thread tension (2-6 recommended), presser foot pressure, needle position. Advanced: Stitch memory, automatic thread cutter, programmable needle stop position.

Connecting Accessories

Presser feet: Snap-on system for quick changes. Additional accessories: Extension table, seam guide, additional bobbins.

Ensure machine is turned off before changing accessories.
Align presser foot with shank and lower presser foot lever.
Install extension table for larger work area.
Attach seam guide for consistent seam allowances.

Tip: Always use Bernette brand accessories for optimal performance.

Basic Sewing Operations

Supports various fabrics from lightweight to medium weight.

Straight stitching: Select stitch 1, adjust length as needed.
Zigzag stitching: Select stitch 2-4 for finishing edges.
Buttonholes: Use one-step buttonhole function.
Reverse stitching: Press reverse button to secure seams.
Changing stitches: Turn stitch selection dial while machine is stopped.
Adjusting tension: Turn tension dial for different fabrics.

WARNING! Never pull fabric while sewing. Let feed dogs move fabric.

Advanced Functions

Decorative stitches: Select from 70 built-in patterns. Memory function: Store frequently used stitch combinations. Mirror imaging: Create symmetrical decorative patterns. Automatic thread cutter: Built-in cutter for convenience.

Care & Maintenance

Unplug before cleaning. Remove lint regularly from bobbin area. Oil moving parts as recommended in maintenance schedule.

CAUTION! Use only sewing machine oil. Do not use household oils.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Machine won't start	Power connection	Check power cord; ensure foot control is plugged in.
Thread breaking	Tension/needle	Check threading; reduce tension; replace needle.
Uneven stitches	Tension/threading	Rethread machine; adjust tension; check bobbin.
Needle breaks	Wrong needle/bent needle	Replace needle; ensure correct size for fabric.
Fabric not feeding	Feed dogs	Check feed dog position; clean feed dogs.

Reset: Turn machine off and on to reset computer functions.

Service: 1-800-985-0225; www.bernette.com