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Husqvarna VIKING 400 User Manual

Husqvarna VIKING 400
54 pages
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600,500,400,350
Printed in Sweden
Made in Sweden
Jan -2003
© 2003 VSM Group AB - All Rights Reserved.
SERVICE MANUAL
104 72 57-26
(Replaces 104 72 38-26)

Table of Contents

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Husqvarna VIKING 400 Specifications

General IconGeneral
Embroidery CapabilityNo
Speed ControlYes
Buttonhole Styles Count1
Max Stitch Length4 mm
Max Stitch Width5 mm
Free ArmYes
Built-in Needle ThreaderYes
Accessories Includedbobbins, needles, seam ripper, screwdriver

Summary

Service Tools

Setting Gauges

Special gauges for critical machine settings like hook timing, feed dog lift, and needle height.

Manual Usage and Safety

ESD Precautions

Precautions for avoiding damage from Electro Static Discharge (ESD).

Settings Overview (Models 350, 400, 500)

Settings Overview (Model Rose)

Hook and Needle System Settings

Adjustments for hook gear play, hook-to-eccentric alignment, needle-to-hook gap, timing, and needle height.

Feed Dog and Presser Foot Settings

Settings for presser foot parallelism, feed dog-to-presser foot alignment, and feed dog height.

Stitch Balance and Length Settings

Basic and fine adjustment procedures for stitch length balance.

Thread Tension Adjustments

Adjusting lower and upper thread tensions, including specific settings for Rose/Iris models.

Service Program (Models 600, 500, 400)

Stitch Balance and Tension Checks

Using service program keys to check stitch length balance and related settings.

Service Program (Freesia/Lisa/Angelica/Victoria)

Needle and Feed Dog Motor Calibration

Pre-setting and checking calibration positions for needle and feed dog step motors.

Circuit Board Service (Models 350, 400, 500)

Circuit Board Service (Model Rose)

Sewing Head Service

Needle Step Motor Service

Thread Tension Step Motor Service (Rose)

Feeding Unit Step Motor Service

Feeding Unit Service

Hook Assembly Service

Y-Unit Service

X-Unit Service

Troubleshooting (Rose Embroidery)

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