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Janome JUNO E1030 User Manual

Janome JUNO E1030
43 pages
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SERVICE MANUAL
&
PARTS LIST
MODEL: E1030
First Edition: 14 February 2019
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Janome JUNO E1030 Specifications

General IconGeneral
BrandJanome
ModelJUNO E1030
CategorySewing Machine
LanguageEnglish

Summary

What to Do When

Skipping Stitches

Troubleshooting guide for when stitches are skipped during sewing operations.

Fabric is not moving

Steps to resolve issues when the fabric feed mechanism fails to advance the material.

Breaking upper thread

Solutions for common causes leading to the upper thread breaking during sewing.

Breaking bobbin thread

Troubleshooting steps to address problems causing the bobbin thread to break.

Needle breaks

Identifies causes and provides solutions for the needle breaking during sewing.

Noisy operation

Diagnosing and fixing excessive noise generated during sewing machine operation.

Deformation pattern

Procedures for adjusting the machine to correct distorted sewing patterns.

Changing External Parts

Face Cover

Instructions for safely removing and reattaching the machine's face cover.

Bed Cover

Procedure for the removal and installation of the sewing machine's bed cover.

Front Cover

Steps detailing how to remove and attach the front cover of the sewing unit.

Rear Cover

Guide on the proper method for removing and replacing the rear cover.

Mechanical Adjustment

Presser Bar Height

Adjusting the distance between the presser foot and the needle plate.

Needle Drop Position

Setting the correct vertical position of the needle relative to the needle plate.

Adjustment of Hook Timing

Aligning the rotary hook's position with the needle for optimal stitch formation.

Adjustment of Needle Bar Height

Correcting the vertical position of the needle bar for stitch quality.

Clearance Between Needle and Tip of the Rotary Hook

Adjusting the minimal gap between the needle and the hook tip.

Feed Dog Height

Setting the correct height of the feed dogs for proper fabric feeding.

Backlash Between Hook Gear and Lower Shaft Gear

Reducing play in gears for smooth operation of the hook and shaft.

Top Tension

Adjusting the tension of the upper thread for balanced stitch formation.

Stretch Stitch Feed Balance

Fine-tuning the feed mechanism for accurate stretch stitch results.

Replacement and Adjustment of the Needle Threader Plate

Procedures for replacing and adjusting the needle threader plate component.

Self-Diagnostic Test

Preparation

Initial steps and precautions before commencing the self-diagnostic test.

To Begin

Guidance on starting the diagnostic test and addressing common initial issues.

To Enter Self-Diagnostic Mode

Detailed steps required to activate the machine's self-diagnostic mode.

Function of LED, Buzzer and Lamp

Testing the operational status of the machine's indicator lights and buzzer.

Button Test

Verifying the correct functionality and response of all control buttons.

Bobbin Winder Switch

Checking the proper operation of the bobbin winder engagement switch.

Presser Foot Lifter Switch

Testing the functionality of the switch that controls the presser foot lifter.

Upper Shaft Positioning Sensor

Diagnosing the accuracy and operation of the upper shaft positioning sensor.

Zigzag Motor and Feed Motor

Testing the performance and initialization of the zigzag and feed motors.

Foot Control

Verifying the proper functionality and responsiveness of the foot control pedal.

Slide Volume

Testing the sliding volume control for correct range and operation.

DC Motor

Diagnosing the main DC motor's performance, speed, and stability.

Displaying the Version of the Program

Instructions on how to access and view the machine's installed software version.

Replacing the Electronic Components

Printed Circuit Board A Connection

Overview of the connector layout for Printed Circuit Board A.

Printed Circuit Board A

Procedure for the removal and installation of Printed Circuit Board A.

Printed Circuit Board L

Steps for safely removing and replacing Printed Circuit Board L.

Driving Motor (DC Motor)

Instructions for removing and installing the DC driving motor assembly.

Switching Regulator Unit

Procedure for replacing the switching regulator unit, including connections.

Parts List

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