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Brother ST4031HD User Manual

Brother ST4031HD
76 pages
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Operation Manual
Compact Overlock Machine
Product Code: 884-B02 / B03
Manual de instrucciones
Máquina Compacta Overlock
Código de producto: 884-B02 / B03
English
Español
Be sure to read this document before using the machine.
We recommend that you keep this document nearby for future reference.
Lea este documento antes de utilizar la máquina.
Recomendamos que tenga este documento a mano por si necesita consultarlo más adelante.

Table of Contents

Questions and Answers:

Brother ST4031HD Specifications

General IconGeneral
Number of Stitches40
Built-in Stitches40
Maximum Stitch Width7mm
Maximum Stitch Length4mm
Drop-in BobbinYes
LCD DisplayNo
Foot PedalYes
Maximum Sewing Speed (stitches per minute)800
Bobbin TypeClass 15
LightingLED
Free ArmYes
Buttonhole Styles1
Dimensions16.1" x 7.8" x 12.5"

Summary

IMPORTANT SAFETY INSTRUCTIONS

General Safety Precautions

Covers DANGER, WARNING, and CAUTION sections for safe operation and handling of the machine.

Machine Care and Longevity

Provides guidance on proper use, storage, and care to extend the machine's lifespan.

Troubleshooting and Repair Guidance

Outlines initial steps for diagnosing and resolving machine issues, and when to seek professional help.

User Guidelines and Regional Notices

Regional Safety and Fuse Information

Specific safety notes for users in the UK, EIRE, Malta, and Cyprus, including fuse replacement details.

Introduction and Machine Identification

Machine Operation Cautions

Important safety notes regarding machine operation, including cautions about moving parts and electrical safety.

Motor Information and Warning Labels

Details about the machine's motor and identifies warning labels found on the product.

Chapter 1: Machine Components and Functions

Identifying Main Machine Parts

Lists and visually identifies the primary parts of the overlock sewing machine.

Powering and Basic Controls

Explains how to power the machine, turn the hand wheel, and attach/remove the presser foot.

Functional Attachments and Features

Details the use of the trim trap, free-arm sewing, and retracting the knife for different sewing tasks.

Stitch Adjustment Controls

Covers adjustment of stitch length, stitch width, and differential feed for various fabric types.

Presser Foot Pressure and Differential Feed

Guides on adjusting presser foot pressure and understanding differential feed for fabric handling.

Thread Tension System

Explains the thread tension dials and their function for achieving proper stitch quality.

Two-Needle Tension Adjustment Chart

Illustrates thread tension adjustments for two-needle (four-thread) overlock stitches.

One-Needle Tension Adjustment Chart

Illustrates thread tension adjustments for one-needle (three-thread) overlock stitches.

Needle Installation and Handling

Guides on selecting, inserting, removing, and checking sewing machine needles for optimal performance.

Chapter 2: Preparing for Threading

Thread Setup and Spool Handling

Instructions on setting up the thread tree, using spool caps, and thread nets for proper threading.

Pre-Threading Machine Checks

Essential steps to perform before starting the threading process to ensure smooth operation.

Chapter 3: Threading the Machine

Lower Looper Threading Guide

Step-by-step instructions for threading the lower looper, including an easy threading operation.

Upper Looper Threading Guide

Detailed process for threading the upper looper, ensuring correct thread path and take-up.

Needle Threading Procedures

Instructions for threading both the right and left needles for three or four-thread overlock stitches.

Chapter 4: Material, Thread, and Needle Guide

Sewing Material and Supply Recommendations

A comparison chart recommending materials, threads, and needles for various stitch types.

Chapter 5: Basic Sewing Operations

Selecting and Setting Up Stitch Patterns

Explains how to choose and set up different stitch types, including overlock and rolled hem.

Performing Test Sewing and Adjustments

Guides users on how to test stitch formation and tension before sewing on the actual fabric.

Starting, Finishing, and Chaining Seams

Instructions on how to start sewing, chain off, and remove the fabric from the machine.

Securing Seams and Handling Thread Breakage

Methods for securing seams and troubleshooting thread breakage during sewing.

Specialized Sewing Techniques

Covers techniques like sewing fine materials and performing narrow overlock/rolled hemming stitches.

Chapter 8: Using Optional Presser Feet

Blind Stitch and Flatlock Foot Usage

Instructions for using the blind stitch and flatlock feet for decorative and functional hems.

Pin Tuck Stitching Technique

Guides on creating pin tucks using the blind stitch foot for decorative effects.

Taping and Pearl Sequence Foot Applications

How to attach and use taping and pearl sequence feet for decorative edge finishes and embellishments.

Piping and Gathering Foot Operations

Instructions for using piping and gathering feet to add decorative edges and create ruffles.

Chapter 6: Troubleshooting Common Issues

Feed, Needle, and Thread Breakage Problems

Addresses issues like the machine not feeding, needles breaking, and thread breakage with remedies.

Stitch Formation and Fabric Puckering Solutions

Guides on resolving skipped stitches, non-uniform stitches, and fabric puckering.

Chapter 7: Machine Maintenance

Cleaning and Oiling Procedures

Instructions on regularly cleaning and oiling the machine for optimal performance and longevity.

Specifications

Machine Technical Details and Settings

Provides key technical specifications of the compact overlock machine, including speed, dimensions, and needle types.

Setting Record and Adjustments

Record Keeping for Stitch Settings

A template for users to record fabric, thread, needle, and tension settings for different stitches.

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