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Bernina Bernette Funlock b44 User Manual

Bernina Bernette Funlock b44
56 pages
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Instruction Manual

Table of Contents

Questions and Answers:

Bernina Bernette Funlock b44 Specifications

General IconGeneral
TypeOverlocker
Stitch Options15
Differential FeedYes
Maximum Stitch Length4 mm
Free ArmYes
Weight6.5 kg
Number of Threads4
Needle Type130/705H

Summary

IMPORTANT SAFETY PRECAUTIONS

DANGER! Electrical Shock Precautions

Precautions against electrical shock, including not leaving unattended when plugged in.

WARNING! Personal Safety Precautions

Precautions against burns, fire, electric shock, and injury to persons.

SERVICING OF DOUBLE-INSULATED PRODUCTS

NAME OF PARTS

Details of Machine Components

Identification and description of the various parts of the sewing machine.

ACCESSORIES

Standard Accessories Included

Lists and illustrates the standard accessories provided with the machine.

Needle Information and Guidelines

Guidance on using the correct industrial needle type (ELx705) for the overlock machine.

HOW TO OPEN LOOPER COVER

Principal Parts Behind the Looper Cover

Identifies key components located behind the looper cover.

PREPARATION TO SEWING

Power Switch Operation

Instructions for operating the power switch to turn the machine on and off.

Foot Controller Usage

How to use the foot controller to operate the sewing machine and control speed.

Cut-offs Bin Installation and Removal

Instructions for inserting and removing the bin that collects fabric scraps.

PREPARATION FOR THREADING

Setting Up the Retractable Thread Stand

Guide on how to assemble and extend the retractable thread stand.

Using the Spool Net

How to use the spool net to manage threads that easily spill off the cone.

Using the Spool Cap

Instructions for fitting the spool cap onto regular thread spools.

HOW TO DISENGAGE UPPER KNIFE

UPPER LOOPER CONVERTER (ULC)

Engaging the Upper Looper Converter

Steps for engaging the Upper Looper Converter (ULC) into the upper looper eye.

Disengaging the Upper Looper

Steps for disengaging the Upper Looper Converter (ULC) from the upper looper.

STANDARD OVERLOCK AND ROLLED HEM STITCHING

Sewing a Standard Overlock

Instructions on setting the machine for standard overlock sewing.

Sewing a Rolled Hem

How to set up the machine for sewing rolled hems.

HOW TO REMOVE AND INSERT NEEDLES

Needle Position Guidance

Illustrates needle clamp positions for different stitch types.

Procedure to Remove Needles

Step-by-step guide on how to safely remove needles from the machine.

Procedure to Insert Needles

Step-by-step guide on how to correctly insert needles into the machine.

SELECTION OF STITCHES

THREADING THE MACHINE

Threading Diagram for Overlock Stitches

A visual guide showing the path of threads for overlock stitches.

Tension Color Code Explanation

Explains the color coding used for tension dials and threads.

Threading the Upper Looper (Blue)

Detailed instructions for threading the upper looper with blue-coded thread.

Threading the Lower Looper (Red)

Detailed instructions for threading the lower looper with red-coded thread.

Threading the Overlock Right Needle (Green)

Detailed instructions for threading the right needle with green-coded thread.

Threading the Overlock Left Needle (Yellow)

Detailed instructions for threading the left needle with yellow-coded thread.

HOW TO CHANGE THREADS

Tie-On Method for Thread Changes

Method for tying new thread to old thread for continuous sewing.

HOW TO ADJUST MACHINE SETTINGS

Adjusting the Stitch Length Dial

Guidance on setting the stitch length dial for various fabric types and results.

Adjusting the Seam Width

How to adjust seam width by changing needle position and using the width adjustment knob.

Adjusting the Presser Foot Pressure

Instructions on adjusting the presser foot pressure for different fabric weights.

DIFFERENTIAL FEED

Gathered Overlock (Differential Feed 1-2.0)

How to use the differential feed for achieving gathered effects.

Stretch Overlock (Differential Feed 1-0.6)

How to use the differential feed for stretch overlock effects.

CHAINING OFF AND TEST SEWING

HOW TO SEW AN OVERLOCK STITCH

2-Thread Wrapped Overlock (#9/#10)

Settings and balancing advice for 2-thread wrapped overlock stitches.

2-Thread Overlock (#14/#15)

Settings and balancing advice for 2-thread overlock stitches.

3-Thread Overlock (#3/#4)

Settings and balancing advice for 3-thread overlock stitches.

3-Thread Flatlock (#5/#6)

Settings and balancing advice for 3-thread flatlock stitches.

2-Thread Flatlock (#11/#12)

Settings and balancing advice for 2-thread flatlock stitches.

3-Thread Super Stretch (#2)

Settings and balancing advice for the 3-thread super stretch stitch.

4-Thread Overlock with Safety Seam (#1)

Settings and balancing advice for the 4-thread overlock with safety seam.

HOW TO SEW A ROLLED HEM

Machine Setup for Rolled Hemming

Steps to prepare the overlock machine for sewing rolled hems.

Additional Rolled Hemming Information

Extra tips and information for achieving quality rolled hems.

3-Thread Narrow Seam (#7) Settings

Settings and guidance for the 3-thread narrow seam stitch.

3-Thread Rolled Hem (#8) Settings

Settings and guidance for the 3-thread rolled hem stitch.

2-Thread Rolled Hem (#13) Settings

Settings and guidance for the 2-thread rolled hem stitch.

STITCH VARIATIONS AND SEWING TECHNIQUES

How to Sew a Flatlock Decorative Seam

Steps to create a decorative flatlock seam by adjusting tension and flattening.

Machine Setup for Flatlock

Instructions for setting up the machine for flatlock stitches.

Flattening a Flatlock Seam

Process of flattening a flatlock seam after sewing.

Decorative Flatlocking Technique

Instructions on performing decorative flatlocking without trimming fabric.

Additional Information about Flatlocking

Tips for correct tension adjustment and thread prominence in flatlocking.

How to Sew an Overlock Blind Hem

Guide to sewing an overlock blind hem, suitable for knitwear.

How to Sew Pin Tucks

Steps for creating decorative pin tucks on fabric before cutting.

How to Turn Square Corners

Instructions for sewing neat square corners on fabric edges.

Sewing Inside Corners

Detailed steps for sewing an inside corner seam.

Pin Placement Guidelines

Guidance on placing pins to avoid damage to the machine's knives.

Securing the Thread Chain

Method for securing thread chains using a needle and thread.

MACHINE MAINTENANCE

Cleaning the Machine

Instructions for cleaning the overlock machine, focusing on lint removal.

Oiling the Machine

Guidance on where and how to oil the machine for proper lubrication.

Replacing the Upper Knife

Step-by-step instructions for replacing a dull upper knife.

OPTIONAL ACCESSORIES

Snap-On Type Presser Foot

Instructions for removing and attaching the snap-on type presser foot.

Elasticator Foot

Description of the elasticator foot for attaching elastic tape.

Blind Stitch Foot

Description of the blind stitch foot for invisible seams.

Gathering Foot

Description of the gathering foot for gathering fabrics.

Beading/Sequins Foot

Description of the beading/sequins foot for sewing beads and sequins.

Piping Foot

Description of the piping foot for sewing welting between fabric plies.

Ribbon-couching Foot

Description of the ribbon-couching foot for sewing tapes.

TROUBLESHOOTING GUIDE

FABRIC, THREAD AND NEEDLE CHART

SPECIFICATION OVERVIEW

Technical Summary of Machine

A summary of the machine's technical specifications and capabilities.

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