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ELNA eXperience 520 User Manual

ELNA eXperience 520
38 pages
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SERVICE MANUAL
MODEL: eXperience 520
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ELNA eXperience 520 Specifications

General IconGeneral
BrandELNA
ModeleXperience 520
CategorySewing Machine
LanguageEnglish

Summary

WHAT TO DO WHEN

Skipping Stitches Troubleshooting

Troubleshooting steps for skipped stitches during sewing.

Fabric Not Moving Troubleshooting

Steps to resolve issues where fabric does not move correctly.

Upper Thread Breaking Troubleshooting

Steps to resolve issues when the upper thread breaks.

Bobbin Thread Breaking Troubleshooting

Steps to resolve issues when the bobbin thread breaks.

Needle Breakage Troubleshooting

Steps to resolve issues when the needle breaks.

Noisy Operation Troubleshooting

Steps to resolve issues related to noisy machine operation.

Stitch Pattern Deformation Troubleshooting

Steps to resolve issues with stitch pattern deformation.

SERVICE ACCESS (1) FACE COVER

Face Cover Removal

Instructions for removing the face cover.

Face Cover Installation

Instructions for installing the face cover.

SERVICE ACCESS (2) BED COVER

Bed Cover Removal

Instructions for removing the bed cover.

Bed Cover Installation

Instructions for installing the bed cover.

SERVICE ACCESS (3) FRONT COVER

Front Cover Removal Procedure

Instructions for removing the front cover.

Connector Handling Guidelines

Guidelines for safely connecting and disconnecting machine connectors.

Front Cover Installation Procedure

Instructions for installing the front cover.

SERVICE ACCESS (4) FRONT COVER REMOVAL

Remove Hooks and Base Hook

Instructions to remove hooks on front/rear cover and base.

Remove Feed Balancing Dial

Instruction to remove the feed balancing dial.

Remove Machine Socket and Front Cover

Instructions to remove socket and front cover.

SERVICE ACCESS (5) REAR COVER

Rear Cover Removal

Instructions for removing the rear cover.

Rear Cover Installation

Instructions for installing the rear cover.

MECHANICAL ADJUSTMENT

Presser Bar Height and Alignment

Adjusts presser foot height and alignment for proper sewing.

Needle Drop Position Adjustment

Adjusts the needle's position relative to the needle plate.

Needle to Shuttle Timing

Sets the timing for the needle and hook.

Needle Bar Height Adjustment

Adjusts the needle bar height for optimal hook engagement.

Needle Clearance to Shuttle Adjustment

Sets the clearance between needle and hook tip.

Lower Shaft Gear Backlash Adjustment

Adjusts play between gears for smooth operation.

Feed Dog Height Adjustment

Adjusts the height of the feed dog for proper fabric feeding.

Zigzag Synchronization Adjustment

Synchronizes needle swing for zigzag stitches.

Needle Thread Tension Adjustment

Adjusts the tension of the needle thread.

Stretch Stitch Feed Balance Adjustment

Balances feed for stretch stitch patterns.

Needle Threader Plate Replacement and Adjustment

Details replacing and adjusting the needle threader plate.

CONNECTOR DIAGRAM

Connector Handling and Diagram

Provides guidelines for connector handling and a diagram for reference.

SELF DIAGNOSTIC TESTS

Preparation and Mode Entry Procedures

Steps to prepare the machine and enter the diagnostic mode.

LED and Switch Functionality Checks

Checks for 7-segment LED, Mode LED, Switches, and Bobbin Winder Switch.

Sensor and Motor Functionality Checks

Checks for Buttonhole, Upper Shaft, Sewing Speed Sensors, and DC Motor.

Control Component Functionality Checks

Checks for Slide Volume, Foot Controller, and Zigzag Width Motor.

Diagnostic Test Completion

Indicates the completion of the diagnostic tests.

REPLACING PRINTED CIRCUIT BOARD A

Printed Circuit Board A Replacement

Steps for removing and installing printed circuit board A.

REPLACING SLIDE VOLUME AND CIRCUIT BOARD F

Slide Volume Replacement

Instructions for replacing the slide volume control.

Printed Circuit Board F Replacement

Instructions for replacing printed circuit board F.

REPLACING DC MOTOR AND ADJUSTING BELT TENSION

DC Motor Replacement and Belt Tension

Procedures for motor replacement and belt tension adjustment.

REPLACING THE FUSES

Fuse Replacement Procedure

Detailed instructions for replacing fuses, including specifications.

REPLACING MACHINE SOCKET (UNIT)

Machine Socket Replacement

Step-by-step guide for replacing the machine socket.

REPLACING THE TRANSFORMER

Transformer Replacement Procedure

Steps for removing and installing the transformer.

REPLACING ZIGZAG WIDTH MOTOR

Zigzag Width Motor Replacement

Procedures for removing and installing the zigzag width motor.

REPLACING FEED STITCH MOTOR

Feed Motor Replacement Procedure

Steps for removing and installing the feed motor.

ADJUSTING BUTTONHOLE LEVER POSITION

Buttonhole Lever Guide Adjustment

Adjusts the buttonhole lever guide position.

Buttonhole Sensor Position Adjustment

Adjusts the buttonhole sensor position.

Entering Buttonhole Adjustment Mode

Procedure to enter the buttonhole adjusting mode.

ADJUSTING BOBBIN WINDER SWITCH

Bobbin Winder Switch Adjustment and Confirmation

Guides for adjusting and verifying the bobbin winder switch.

OILING AND GREASING

Lubrication Points for Oil and Grease

Details specific points for oil and grease application.

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