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Brother EF4-B511 User Manual

Brother EF4-B511
23 pages
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HIGH
SPEED
OVERLOCK SEWING MACHINE
OVERLOCK-SCHNELLNAHMASCHINE
MACHINE
A COUDRE A POINT
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SURJET A VITESSE
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COSER SOBREORILLADORA UL TRARRAPIDA
INSTRUCTION
MANUAL
BEDIENUNGSANLEITUNG
MANUEL
D'INSTRUCTIONS
MANUAL
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NSTRUCCIONES
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EF4-B511
EF4-B531
MA4-B551
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From the library of: Superior Sewing Machine & Supply LLC

Table of Contents

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Brother EF4-B511 Specifications

General IconGeneral
BrandBrother
ModelEF4-B511
CategorySewing Machine
LanguageEnglish

Summary

Installation

Installation of the machine head

Explains standard and optional machine-head systems.

Oiling and Oil Draining

Oiling

Guidance on keeping the machine lubricated.

Oil changes

Procedure for draining and changing machine oil.

Using the needle cooler

Installation of the needle

Step-by-step guide for installing a needle.

Correct Operation

Thread tension

How to adjust thread tension based on various factors.

Adjustment of the thread tension control nut

Details on adjusting the thread tension control nut.

Adjustment of the needle thread guide

How to adjust the needle thread guides.

Adjustment of the double chain-stitch thread take-up

Adjusting the thread take-up for double chain stitch.

Adjustment of presser-foot pressure

How to adjust the pressure of the presser foot.

Adjustment of stitch width

Factors determining stitch width and needle plate replacement.

Increasing the stitch width

Steps to increase stitch width using knives.

Decreasing the stitch width

Steps to decrease stitch width using knives.

Adjustment of stitch length

How to adjust stitch length using scale and pulley.

Adjustment of differential feed

How to adjust differential feed for stretching or gathering.

Standard Adjustments

Adjustment of needle height

How to adjust needle bar height for different specifications.

Adjustment of the under looper

How to tilt and position the lower looper.

Adjustment of the over looper

How to adjust the upper looper with measurements.

Adjustment of the double chain-stitch looper (Safety stitch sewing adjustment)

Adjusting the double chain stitch looper for safety stitch.

Adjustment of the thread trimmer

How to align the thread trimmer knives.

Adjustment of the feed dogs

How to adjust the heights of feed dogs.

Adjustment of double chain-stitch looper forward-reverse movement

How to adjust the forward-reverse movement of the double chain stitch looper.

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