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ELNA 6004 User Manual

ELNA 6004
32 pages
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Service Manual
September 1997 Printed in Switzerland 395 901- 42
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ELNA 6004 Specifications

General IconGeneral
TypeElectronic
Stitches60
Buttonhole Styles4
Stitch Length5mm
Free ArmYes
Built-in Needle ThreaderYes
Drop FeedYes
LED LightingYes

Summary

Top Cover and Face Plate

Top Cover

Instructions for removing and attaching the top cover of the sewing machine.

Face Plate

Instructions for removing and attaching the face plate of the sewing machine.

Base and Bed Cover

Base

Steps to remove and attach the base of the sewing machine.

Bed Cover

Steps to remove and attach the bed cover of the sewing machine.

Belt Cover

Front Panel

Presser Bar Height

Needle Centring

Needle Bar Height

Hook and Feed Timing

Clearance Between Needle and Hook

Backlash of Hook Drive Gear Lower Shaft Gear

Feed Dog Height

Upper Shaft Shield Plate Position

Stretch Stitch Balance

Needle Threader Plate

Buttonhole Lever and Sensor

Circuit Board A

Circuit Board C

Circuit Board C and Fuse

DC Motor

Transformer

Machine Socket

Buttonhole Lever

Circuit Board K and F

Buttonhole Sensor

Wiring Diagram

General Function Check

Basic Troubleshooting

Steps to check common issues like power, light, or display.

Test Program Preparation

Steps to prepare the machine for diagnostic tests.

Test Program: Part 1

LCD and LED Test

Verifies operation of the LCD display and indicator LEDs.

Button Test

Checks the functionality of all buttons on the control panel.

Buttonhole Sensor Test

Evaluates the buttonhole sensor and lever mechanism.

Bobbin Winder Switch Test

Tests the bobbin winder switch operation.

Upper Shaft Positioning Sensor Test

Verifies the upper shaft positioning sensor.

Test Program: Part 2

Zigzag Step Motor Test

Checks the operation of the zigzag step motor.

Feed Step Motor Test

Checks the operation of the feed step motor.

Foot Control Test

Tests the functionality of the foot control pedal.

Speed Control Slide Test

Verifies the speed control slide lever.

Main Motor Test

Checks the operation of the main motor.

Test Program: Part 3

Test Program Completion and Error Codes

Interprets test results and lists potential error codes.

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