Husqvarna 5230 User Manual (English)

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Husqvarna 5230 Specifications

Brand	Husqvarna
Model	5230
Category	Sewing Machine
Language	English

Summary

An overview of the technical aspects of the sewing machine.

Instructions for removing and installing various machine components.

Diagrams and instructions for wiring terminal blocks and foot controls.

Details on adjusting the tension for the upper thread.

Explanation of the sewing machine's electric motor and drive.

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Husqvarna 5230 User Manual

Husqvarna 5230 Specifications

Summary

Introduction to Viking Sewing Machines

Technical Briefing of The Viking Sewing Machine

Electrical Checks and Adjustments

Service Checks and Adjustments

Component Removal and Installation

Component Repair

Electrical Wiring of Terminal Blocks and Foot Controls

Understanding Stitch Formation

Seam Formation Techniques

Shuttle System Overview

Viking Shuttle System Design

Thread Tension Adjustment

Upper Thread Tension

Machine Drive and Speed Regulation

Electric Drive System

Power Transmission Mechanics

Speed Control Mechanisms

Pattern Mechanism Function

Feed Dog Movement

Stitch Length Mechanism

Buttonhole Mechanism Operation

Removing Machine Covers

Shuttle (Hook) Requirements and Action

Upper Main Shaft Adjustments

Lower Main Shaft Adjustments

Shuttle Gears Adjustments

Motor Requirements and Adjustments

Adjusting V-Belt and Low Gear

Worm Wheel Tolerance and Adjustment

Foot Control Operation and Checks

Printed Circuit Board for Motor Drive

Setting Lowest Motor Speed

Take Home Turning Speed Adjustment

Setting Needle Stop-Right Position

Raising the Cam Follower

Aligning Stitch Width Cam Follower

Centering Stitch Width Cam Follower (Models 4310, 4010)

Centering Stitch Width Cam Follower (Models 51, 21)

Retracting Zigzag Cam Follower

Timing Zigzag Movement

Needle Bar Frame Stop Checks

Centering Maximum Zigzag Width

Centering Zigzag Width (30 Series)

Centering Zigzag Width (20 Series)

Needle Position Front to Rear

Needle Position Front to Rear (30 Series)

Needle Position Front to Rear (20 Series)

Left Needle Position Adjustment

Center Needle Position Adjustment

Needle Bar Height Adjustment

Needle Bar Alignment

Needle to Hook Clearance

Shuttle Timing Procedures

Shuttle Timing for Flat-Bed Models

Shuttle Cover Clearance

Feed Teeth Alignment

Centering Feed Teeth Left to Right

Centering Feed Teeth Front to Rear

Feed Dog Height Adjustment

Feed Dog Drop Adjustment

Feed Timing Procedures

Setting Height Eccentric

Reverse Arm Cam Follower Alignment

Retraction of Reverse Arm Cam Follower

Presser Bar Height and Alignment

Upper Thread Tension Release

Setting Upper Thread Tension

Bobbin Case Thread Tension

Buttonhole Column Equalization

Buttonhole Cutting Space

Reverse Feed Equalization

Worm Gear Operation and Adjustment

Thread Take-Up Lever Slide Bearing Removal

Exchanging Fixed Cam and Worm Wheel

Pattern Mechanism Removal Procedures

Installation of Stitch Width, Length, and Pattern Mechanisms

Reduction Gear Removal and Replacement