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Brother J17/LS17 User Manual

Brother J17/LS17
151 pages
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MODEL :
J14/LS14/LX-1400/X14/L14/STAR1400
JS1400/JS1410/J17/LS17/LX-1700
X17/L17/JS1700/AS1430S/JSL15/JSL18/LS200
LS300/artwork19/artwork22/SL10/HQ18/X7/JX1410
JX1710/JX2517/AS1450/RS100/RS200/JX1400
JS1420/LS2225/LS2325/SL100/VitrageM71
VitrageM73/ArtCity140/JS1750/NB1400/NB1700
KD144/K14/F14/K17/F17/KE14/ArtCity170
Home Sewing Machine
SERVICE MANUAL
Aug.,2012
May,2015
Published :
Revised :
c
2012 Brother Industries, Ltd.
All rights reserved.
CONFIDENTIAL

Table of Contents

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Brother J17/LS17 Specifications

General IconGeneral
TypeMechanical
Number of Stitches17
Buttonhole Type4-Step
Stitch Length4 mm
Stitch Width5 mm
Feed TypeDrop Feed
Buttonhole Styles1

Summary

Understanding Sewing Machine Mechanisms

Main Mechanisms Overview

Describes the main mechanical parts of the sewing machine, including diagrams.

Driveline Operation Explanation

Explains the power transmission system and component movements with diagrams.

Basic Sewing Machine Disassembly and Assembly

Main Frame and Covers Disassembly

Details the removal of outer casing, front, and rear covers.

Main Motor Unit Disassembly

Explains how to remove the main motor assembly and its components.

Feed Unit Disassembly

Covers the disassembly of the fabric feeding mechanism and related controls.

Needle Threading Mechanism Disassembly

Details the removal of parts related to threading the needle.

Pattern Selecting Mechanism Disassembly

Explains how to disassemble the stitch pattern selection parts.

Bobbin Winder, Upper Shaft, Needle-Presser Module Disassembly

Covers disassembly of key upper mechanical components.

Sewing Machine Adjustments

Timing Belt Tension Adjustment

Adjusts the tension of the main timing belt.

Motor Belt Tension Adjustment

Adjusts the tension of the motor drive belt.

Upper Thread Tension Adjustment

Adjusts the tension of the upper thread.

Lower Thread Tension Adjustment

Adjusts the tension of the lower thread.

Troubleshooting Electronic Parts

Sewing Lamp Not Lighting Troubleshooting

Troubleshooting steps for when the sewing lamp is not functional.

Main Motor Not Turning or Slow Speed Troubleshooting

Troubleshooting steps for main motor operation issues.

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